PART I

Item 1. Business.

Overview

We are a leader in critical care immunotherapy, investigating and commercializing our CytoSorb blood purification technology to reduce deadly uncontrolled inflammation in hospitalized patients around the world, with the goal of preventing or treating multiple organ failure in life-threatening illnesses and cardiac surgery. Organ failure is the cause of nearly half of all deaths in the intensive care unit (“ICU”), with little to improve clinical outcome. CytoSorb, our flagship product, is approved in the European Union (“EU”) as a safe andan effective extracorporeal cytokine filter and is designed to reduce the “cytokine storm” that could otherwise cause massive inflammation, organ failure and death in common critical illnesses such as sepsis, burn injury, trauma, lung injury, and pancreatitis. These are conditions where the mortality is extremely high, yet no effective treatments exist.  In addition,May 2018, we received a label expansion for CytoSorb covering use of the device for the removal of bilirubin and myoglobin in the treatment of liver disease and trauma, respectively. In January 2020, we received CE-Mark label expansion for CytoSorb covering the use of the device for the removal of the anti-platelet agent, ticagrelor, in patients undergoing surgery requiring cardiopulmonary bypass. In April 2020, the United States Food and Drug Administration (the “FDA”) granted Breakthrough Designation to CytoSorb for the removal of ticagrelor in a cardiopulmonary bypass circuit during emergent and urgent cardiothoracic surgery.  In April 2020, we announced that the FDA has granted Emergency Use Authorization (“EUA”) of CytoSorb for use in patients with COVID-19 infection. In May 2020, we received a CE-Mark label expansion for CytoSorb for the removal of rivaroxaban during cardiothoracic surgery requiring cardiopulmonary bypass. CytoSorb is used during and after cardiac surgery to remove inflammatory mediators, such as cytokines, activated compliment and free hemoglobin that can lead to post-operative complications, such as acute kidney injury, lung injury, shock, and stroke. We believe CytoSorb has the potential to be used in many other inflammatory conditions, such as cardiac surgery,including the treatment of autoimmune disease flares, and potentially for cancer, cytokine release syndrome in cancer immunotherapy, and other applications in cancer, cachexia, a common syndrome that affectssuch as cancer patients, where cytokines play a major role in the cause of inflammation.cachexia. CytoSorb has been used globally in more than 35,000121,000 human treatments to date in critical illnesses and in cardiac surgery. Our purification technologies are based on biocompatible, highly porous polymer beads that can actively remove toxic substances from blood and other bodily fluids by pore capture and surface adsorption. . The technology is protected by 16 issued U.S. patents and multiple international patents, with applications pending both in the U.S. and internationally.  We have numerous productsproduct candidates under development based upon this unique blood purification technology, protected by 15 issued and 2 allowed but not yet issued U.S. patents and multiple applications pending, including HemoDefend, ContrastSorb, DrugSorb, and others.

In March 2011, CytoSorb was “CE Marked” in the EU as an extracorporeal cytokine filter indicated for use in clinical situations where cytokines are elevated, was “CE marked” in the EU, allowing for commercial marketing. The CE markMark demonstrates that a conformity assessment has been carried out and the product complies with the Medical Devices Directive. The goal of CytoSorb is to prevent or treat organ failure by reducing cytokine storm and the potentially deadly systemic inflammatory response syndrome (“SIRS”) in diseases such as sepsis, trauma, burn injury, acute respiratory distress syndrome, pancreatitis, liver failure, and many others. Organ failure is the leading cause of death in the ICU, and remains a major unmet medical need, with little more than supportive care therapy (e.g., mechanical ventilation, dialysis, vasopressors, fluid support, etc.) as treatment options. By potentially preventing or treating organ failure, CytoSorb may improve clinical outcome, including survival, while reducing the need for costly ICU treatment, thereby potentially saving significant healthcare costs.

Our CE Mark enables CytoSorb to be sold throughout the European Union and member states of the European Economic Area. In addition, many countries outside the EU accept the CE Mark for medical devices, but may also require registration with or without additional clinical studies. The broad indication for which CytoSorb is CE marked allows it to be used “on-label” in diseases where cytokines are elevated including, but not limited to, critical illnesses such as those mentioned above, autoimmune disease flares, cancer cachexia, and many other conditions where cytokine-induced inflammation plays a detrimental role.

Cytokines are small proteins that normally stimulate and regulate the immune response. However, in certain diseases, particularly life-threatening conditions commonly seen in the ICU, such as sepsis and infection, trauma, acute respiratory distress syndrome (“ARDS”), severe burn injury, liver failure, and acute pancreatitis, cytokines are often produced in vast excess – a condition often calledknown as cytokine storm. Left unchecked, this cytokine storm can lead to a severe maladaptive SIRS that can then cause cell death, multiple organ dysfunction syndrome, and multiple organ failure. Failure of vital organs such as the heart, lungs, and kidneys, accounts for nearly half of all deaths in the ICU, despite the wide availability of supportive care therapies, or “life support”, such as dialysis, mechanical ventilation, extracorporeal membrane oxygenation, and vasopressors. By replacing the function of failed organs, these supportive care therapies can initially help to keep patients alive, but do not help patients recover faster, and in many cases can increase the risk of dangerous complications. Unlike these supportive care therapies, the goal of the CytoSorb cytokine filter is to proactively prevent or treat organ failure by reducing cytokine storm and reducing the maladaptive SIRS response. In doing so, CytoSorb targets

the reduction in the severity of patient illness and the need for intensive care, while potentially improving clinical outcome and saving healthcare costs.

As part of the CE Mark approval process, we completed our randomized, controlled, European Sepsis Trial amongst 14 trial sites in Germany in 2011, with enrollment of 100 patients with sepsis and respiratory failure. The trial established that CytoSorb was sufficiently safe in this critically-ill population, and that it was able to supportbroadly reduce key cytokines in the CE mark and published in PLOS ONE. In the European Sepsis Trial, the treatment was well-tolerated with no serious device related adverse events reported. The trial also demonstrated the abilityblood of CytoSorb to reduce cytokines such as IL-6. The trial was not powered to demonstrate significant reduction in other clinical endpoints such as mortality.

these patients.

In addition to CE marking,Marking, we also achieved ISO 13485:2003 Full Quality Systems certification, an internationally recognized quality standard designed to ensure that medical device manufacturers have the necessary comprehensive management systems in place to safely design, develop, manufacture and distribute medical devices in the EU. We manufacture CytoSorb at our manufacturing facilities in New Jersey for commercial sales abroad and for additional clinical studies. In September 2016,studies, the expansion of which we were granted a two-year renewal for the CytoSorb CE Mark. Inofficially completed in June 2017,2018. Upon expanding our facility we successfullyquadrupled our manufacturing capacity and completed an audit upgrade from an ISO 13485:2003 annual surveillance audit maintaining our good standing with our Notified Body. We also established dedicated reimbursement for CytoSorb in Germany, with other countries pending.

From September 2011 through June 2012, we began a controlled market release of CytoSorb in select geographic territories in Germany. The purpose of this program wascertification to prepare for commercialization of CytoSorb in Germany in terms of manufacturing, reimbursement, logistics, infrastructure, marketing, contacts, and other key issues.

an ISO 13485:2016 certification.

In late June 2012, following the establishment of our European subsidiary, CytoSorbents Europe GmbH, a wholly-owned operating subsidiary of CytoSorbents Corporation, we began the commercial launch of CytoSorb in Germany with the hiring of Dr. Christian Steiner as Vice President of Sales and Marketing and three additional sales representatives who joined us and completed their sales training during the third quarter of 2012. The fourth quarter of 2012 represented the first quarter of direct sales with the full sales team in place. During this period, we expanded our direct sales efforts to include both Austria and Switzerland.

In March 2016, we established CytoSorbents Switzerland GmbH, a wholly-owned subsidiary of CytoSorbents Europe GmbH, our wholly-owned subsidiary, to conduct marketing and direct sales in Switzerland. This indirect subsidiary began operations during the second quarter of 2016.

Fiscal year 2013 represented the first full year of CytoSorb commercialization. We focused our direct sales efforts in Germany, Austria and Switzerland with four sales representatives. The focus of the team was to encourage acceptance and usage by key opinion leaders (“KOLs”) throughout these countries. By the end of 2017, we had hundreds of KOLs in critical care, cardiac surgery, and blood purification who are either using CytoSorb or planning to use CytoSorb in the near future. We believe our relationships with KOLs are essential to drive adoption and recurrent usage of CytoSorb, facilitate purchases by hospital administration, arrange reimbursement, and generate data for papers and presentations. As of the end of 2020, we had hundreds of KOLs in our commercialized territories worldwide in critical care, cardiac surgery, and blood purification, who were either using CytoSorb or supporting its use in clinical practice or clinical trials.

In March 2016, we established CytoSorbents Switzerland GmbH, a wholly-owned subsidiary of CytoSorbents Europe GmbH, to conduct marketing and direct sales in Switzerland. This subsidiary began operations during the second quarter of 2016. In 2017, we further expanded our direct sales efforts into Belgium and Luxembourg.

In May 2018, the approved uses of CytoSorb in the E.U. were expanded to include the removal of bilirubin in liver disease, and the removal of myoglobin in trauma.

On March 5, 2019, the Company announced the expansion of direct sales of CytoSorb for all applications to Poland and the Netherlands, and critical care applications to Sweden, Denmark and Norway. As part of this effort, the Company established CytoSorbents Poland Sp. z.o.o., a wholly-owned subsidiary of CytoSorbents Europe GmbH.

In the third quarter of 2019, we established CytoSorbents UK Limited, a wholly-owned subsidiary of CytoSorbents Medical, Inc., to manage our clinical trial activities in the United Kingdom.

In August 2019, we announced that CytoSorb had received renewal of its European Union CE Mark through May 2024 and ISO 13485:2016 Full Quality Assurance System certification of its manufacturing facility through September 2022.

In January 2020, we received CE-Mark label expansion approving the use of CytoSorb to remove the anti-platelet agent, ticagrelor, in cardiac patients during surgery requiring cardiopulmonary bypass.

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In April 2020, the Company announced that the FDA granted EUA of CytoSorb for use in critically-ill patients infected with COVID-19.  Under the EUA, the Company can make CytoSorb available, through commercial sales, to all hospitals in the United States for use in patients, 18 years of age or older, with confirmed COVID-19 infection who are admitted to the intensive care unit (ICU) with confirmed or imminent respiratory failure who have early acute lung injury or acute respiratory distress syndrome (ARDS), severe disease, or life-threatening illness resulting in respiratory failure, septic shock, and/or multiple organ dysfunction or failure. The CytoSorb device has neither been cleared nor approved for the indication to treat patients with COVID-19 infection.  The EUA will be effective until a declaration is made that the circumstances justifying the EUA have terminated or until revoked by the FDA.

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In April 2020, the Company also announced that the FDA had granted Breakthrough Designation to CytoSorb for the removal of ticagrelor in a cardiopulmonary bypass circuit during emergent and urgent cardiothoracic surgery.  The Breakthrough Devices

Program provides for more effective treatment of life-threatening or irreversibly debilitating disease or conditions, in this case the need to reverse the effects of ticagrelor in emergent or urgent cardiac surgery that can otherwise cause a high risk of serious or life-threatening bleeding.  Through Breakthrough Designation, the FDA intends to work with CytoSorbents to expedite the development, assessment, and regulatory review of CytoSorb for the removal of ticagrelor, while maintaining statutory standards of regulatory approval (e.g., 510(k), de novo 510(k) or premarket approval) consistent with the FDA’s mission to protect and promote public health.

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In May 2020, we received CE-Mark label expansion approving the use of CytoSorb for the removal of rivaroxaban, a widely-used Factor Xa inhibitor and novel oral anticoagulant, during cardiothoracic surgery requiring cardiopulmonary bypass.  With this announcement, and the E.U. approval earlier this year to remove ticagrelor, for the same indication, CytoSorb is providing cardiac surgeons and perfusionists an easy-to-use and rapid new treatment option to help reduce the risk of serious and potentially fatal perioperative bleeding complications caused by these two drugs, in separate categories of blood thinners.

In addition, we now currently have more than 60 investigator initiated-studies50 investigator-initiated studies and additional Company sponsored trials that are currently planned, in processenrolling or completed in Europe and abroadelsewhere outside of the United States. We believe that these trials, which are conducted and supported by what we believe to be well-known university hospitals and KOLs, are the equivalent of Phase 3 and Phase 4 clinical studies. We believe they will provide invaluable information regarding the success of the device in multiple applications includingthe treatment of sepsis, cardiaccardio-pulmonary bypass surgery, lung injury, trauma, pancreatitis, liver failure, kidney failure, and others. These studies are being supported bymany other indications, and if successful, may be integral in helping to drive additional usage and adoption of CytoSorb.

As of March 1, 2021, our European Medical Director. As of February 15, 2017, we have increased our European sales, marketing and clinical supportcommercialization team to 18 direct sales people, one contract sales person, and 13 sales and distributor support staff.  

included 93 people.

We have complemented our direct sales efforts with sales to distributors and/or strategic corporate partners. In 2013, we reached agreement withFor more information regarding our distributors and strategic partners, refer to the Sales and Marketing section in the United Kingdom, Ireland, the Netherlands, Russia and Turkey. In April 2014, we announced distributionitem 1 of CytoSorb in the Middle East, including Saudi Arabia, the United Arab Emirates, Kuwait, Qatar, Bahrain, and Oman (the Gulf Cooperative Council (“GCC”)) and Yemen, Iraq, and Jordan through an exclusive agreement with TechnoOrbits. In December 2014, we entered into an exclusive agreement with Smart Medical Solutions S.R.L., to distribute CytoSorb for critical care applications in Romania and the neighboring Republic of Moldova.  In 2015, we announced exclusive distribution agreements with Aferetica SRL to distribute CytoSorb in Italy, AlphaMedix Ltd. to distribute CytoSorb in Israel, TekMed Pty Ltd. to distribute CytoSorb in Australia and New Zealand, and Hoang Long Pharma to distribute CytoSorb in Vietnam. In June 2016, we announced an exclusive distribution agreement with Palex Medical SA to distribute CytoSorb in Spain and Portugal. In September 2016, we announced an exclusive agreement with Armaghan Salamat Kish Group (Arsak) to distribute CytoSorb in Iran. In October 2016, we announced an exclusive agreement with Foxx Medical Chile SpA to distribute CytoSorb in Chile. In July 2017, we announced an exclusive agreement with Droguería, Ramón, González, Revilla (DRGR) S.A. to distribute CytoSorb in Panama.

this report.

We have been expanding ourcontinuously evaluate other potential distributor and strategic partnerships by number and scope. In September 2013, we entered into a strategic partnership with Biocon Ltd., India’s largest biopharmaceuticals company, with an initial distribution agreement for India and select emerging markets, under which Biocon has the exclusive commercialization rights for CytoSorb initially focused on sepsis. In October 2014, the Biocon partnership was expanded to include all critical care applications and cardiac surgery. In addition, Biocon committed to higher annual minimum purchases of CytoSorb to maintain distribution exclusivity and committed to conduct and publish results from multiple investigator initiated studies and patient case studies. In December 2017, the Biocon partnership was further expanded to include exclusive distribution of CytoSorbpartner networks in Malaysia. Under the terms of the agreement, Biocon has committed to minimum annual purchases in Malaysia to maintain exclusivity this territory. In addition, the term of the original agreement was extended to December 2022

In December 2014, we entered into a multi-country strategic partnership with Fresenius Medical Care AG & Co KGaA (“Fresenius”) to commercialize the CytoSorb therapy. Under the terms of this agreement, Fresenius has exclusive rights to distribute CytoSorb for critical care applications in France, Poland, Sweden, Denmark, Norway, and Finland. The partnership allows Fresenius to offer an innovative and easy way to use blood purification therapy for removing cytokines in patients that are treated in the ICU. To promote the success of CytoSorb, Fresenius agreed to also engage in the ongoing clinical development of the product. This includes the support and publication of a number of small case series and patient case reports as well as the potential for future larger, clinical collaborations. Fresenius launched the product in these six countries in May 2016. In January 2017, the Fresenius partnership was expanded. The terms of the revised three-year agreement extend Fresenius’ exclusive distributorship of CytoSorb for all critical care applications in their existing territories through 2019 and include guaranteed minimum quarterly orders and payments, evaluable every one and a half years. In addition, we have entered into a new comprehensive co-marketing agreement with Fresenius. Under the terms of the agreement, CytoSorbents and Fresenius will jointly market CytoSorb to Fresenius’ critical care customer base in allother countries where CytoSorb is being actively commercialized. CytoSorb will continuewe are approved to be sold by our direct sales force or through our international network of distributors and partners, while Fresenius will sell all ancillary products to their customers. Fresenius will also provide a written endorsement of CytoSorb for use with their multiFiltrate and multiFiltratePRO acute care dialysis machines that can be used by us and our distribution partners to promote CytoSorb worldwide. Training and preparation for this co-marketing program began in five initial counties in 2017 and is continuing, with implementation ofmarket the co-marketing program in addition countries planned for the future.

In September 2016, we entered into a multi-country strategic partnership with Terumo Cardiovascular Group to commercialize CytoSorb for cardiac surgery applications. Under the terms of the agreement, Terumo has exclusive rights to distribute the CytoSorb cardiopulmonary bypass (CPB”) procedure pack for intra-operative use during cardiac surgery in France, Sweden, Denmark, Norway, Finland and Iceland. Terumo launched the product in these six countries in December 2016.

In March 2017, we entered into a partnership with Dr. Reddy’s Laboratories Ltd. for the South African market. Under the terms of the agreement, Dr. Reddy’s has the exclusive right to distribute CytoSorb for intensive care, cardiac surgery, and other hospital applications in South Africa. This is a multi-year agreement and is subject to annual minimum purchases of CytoSorb to maintain exclusivity.

device.

Overall, we have established either direct sales or distribution (via distributors or strategic partners) of CytoSorb in 4567 countries worldwide. Registration of CytoSorb is typically required in each of these countries prior to active commercialization. With CE Mark approval, this can be typically achieved within several months in EU countries. Outside of the EU, the process is more variable and can take several months to more than a year due to different requirements for documentation and clinical data. Variability in the timing of registration affects the initiation of active commercialization in these countries, which affects the timing of expected CytoSorb sales. We actively support all of our distributors and strategic partners in the product registration process. We cannot generally predict the timing of these registrations, and there can be no guarantee that we will ultimately achieve registration in countries where we have established distribution. For example, in August 2014 we announced exclusive distribution of CytoSorb in Taiwan with Hemoscien Corporation. However, in March 2015, due to the complexity we encountered with Taiwanese product registration, we elected to terminate our agreement with Hemoscien. Outside of the EU, CytoSorb is actively being commercializedhas distribution in Turkey, India, Sri Lanka, Australia, New Zealand, Russia, South Africa, Serbia, Norway, Vietnam, Malaysia, Hong Kong, Chile, Panama, Costa Rica, Colombia, Brazil, Mexico, Argentina, Perú, Guatemala, Ecuador, Bolivia, the Dominican Republic, El Salvador, Iceland, Israel, UAE, Iran, Saudi Arabia and Panama.other Middle Eastern countries, and South Korea. We cannot guarantee that we will generate meaningful sales in the countries where we have established registration, due to other factors such as market adoption and reimbursement. For example, in December 2019, we discontinued our distributor relationship with Dr. Reddy’s in South Africa due to lack of market adoption. We are currently actively evaluatingcontinuously evaluate other potential distributor and strategic partner networks in other major countries that accept CE Mark approval.

In February 2020, we announced an agreement with China Medical System Holdings Limited (“CMS”), a well-established, innovation-driven specialty pharma with a focus on sales and marketing in China and Asia, to bring CytoSorb to mainland China to treat critically-ill patients with COVID-19 (fka Wuhan or 2019-nCoV) coronavirus infection.Under the terms of the agreement, CytoSorbents and CMS agreed to partner together to earn regulatory clearance to import CytoSorb into China under the “fast-track” review process established by the National Medical Products Administration of the People’s Republic of China (NMPA) to respond to the 2019 novel coronavirus (COVID-19) pandemic.  CytoSorbents donated the initial CytoSorb devices and provided product, training, and support to CMS to introduce CytoSorb initially into four hospitals in the Wuhan, China area.  The therapy was used and will be evaluated in severe COVID-19 coronavirus patients with a systemic inflammatory response being treated with either continuous renal replacement therapy (CRRT) or extracorporeal membrane oxygenation (ECMO). The use of CytoSorb for the treatment of patients with severe COVID-19 coronavirus infection is considered exploratory in nature in China, and is currently not yet approved for commercial purposes in mainland China.

In addition to our direct and distributor commercial channels, we have a number of strategic partners to market and distribute CytoSorb. These partners include Biocon Biologics Limited, Fresenius Medical Care AG, B. Braun Avitum AG, Aferetica s.r.l., and Terumo Cardiovascular Group. For detailed information regarding these partnerships, see the section entitled “Commercial and Research Partners” in item 1 of this report.

The market focus for CytoSorb is the prevention or treatment of organ failure in life-threatening conditions, including commonly seen illnesses in the ICU such as infection and sepsis, trauma, burn injury, ARDS, and others. Severe sepsis and septic shock, a potentially life-threatening systemic inflammatory response to a serious infection, accounts for approximately 10% to 20% of all ICU admissions, and is responsible for an estimated one in every five deaths worldwide. Sepsis is one of the largest target markets for CytoSorb. Sepsis is a major unmet medical need with no approved products in the U.S. or Europe to treat it. As with other critical care illnesses, multiple organ failure is the primary cause of death in sepsis. When used with standard of care therapy, that includes antibiotics, the goal of CytoSorb in sepsis is to reduce excessive levels of cytokines and other inflammatory toxins, to help reduce the SIRS response and either prevent or treat organ failure.

In addition to the sepsis indication, we intend to conduct or support additional clinical studies in sepsis, cardiac surgery, and other critical care diseases where CytoSorb could be used, such as ARDS, trauma, severe burn injury, acute pancreatitis, and in other acute conditions that may benefit by the reduction of cytokines in the bloodstream. Some examples include the prevention of post-operative complications of cardiac surgery (cardiopulmonary bypass surgery) and damage to organs donated for transplant prior to organ harvest. We intend to generate additional clinical data to expand the scope of clinical experience for marketing purposes, to increase the number of treated patients, and to support potential future publications.publications and regulatory submissions.

We haveIn 2014, we completed a single arm, dose ranging trial in Germany amongst several clinical trial sites to evaluate the safety and efficacy of CytoSorb when used 24 hours per day for seven days, each day with a new device and are conducting final statistical analysis of the data. Patients are being stratified for age, cytokine levels, and co-morbid illnesses in this matched pairs analysis.device. These additional dosing data are intendedwere used to help clinicians withsupport the label expansion to increase treatment time from 6 hours, the initial approval, to 24 hours of treatment. This study also provided additional treatment options for CytoSorb, helphelped to support the positive clinical data from our first European Sepsis Trial, and helphelped to shape the trial protocol for a pivotal sepsis study.

In addition to the dosing study, we plan to use data generated and published in the more than 6050 investigator-initiated studies and trials sponsored by us currently planned, enrolling or completed in Europe and abroad. Approximately half20 of these studies are in the planning stages, and half started, enrolling or completed.currently enrolling. These trials, which are funded and supported by well-known university hospitals and KOLs, are the equivalent of Phase 2 clinical studies. They will provide invaluable information regarding the success of the device in the treatment of sepsis, cardio-pulmonary bypass surgery, trauma, and many other indications, and if successful, will be integral in helping to drive additional usage and adoption of CytoSorb.

In addition to sepsis and other critical care applications, cardiac surgery is an important application for CytoSorb in the European market. There are approximately one million cardiac surgery procedures performed annually in the U.S. and EU combined including, for example, coronary artery bypass graft surgery, valve replacement surgery, heart and lung transplant, congenital heart defect repair, aortic reconstruction, and left ventricular assist device (“LVAD”) implantation. Cardiac surgery can result in inflammation and the production of high levels of inflammatory cytokines, as activation of complement, and cause hemolysis, leading to the release of toxic plasma free hemoglobin. These can lead to post-operative complications such as respiratory failure, circulatory failure, and acute kidney injury. CytoSorb has a unique competitive advantage as the only cytokine and free hemoglobin removal technology that can be used during the operative procedure and can be easily installed in a bypass circuit in a heart-lung machine without the need for an additional pump. Direct cytokine and hemoglobin removal with CytoSorb enables it to replace the existingformer market for leukoreduction filters in cardiac surgery that attempt to indirectly reduce cytokines by capturing cytokine-producing leukocytes – an inefficient and suboptimal approach.

The Company is currently conducting the following clinical trials:

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The Company is also providing an update on the following investigator initiated clinical trial:

In February 2015, the U.S. Food and Drug Administration (“FDA”) approved​

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For further detailed information regarding our Investigational Device Exemption (“IDE”) application to commence a planned U.S. cardiac surgery feasibility study called REFRESH I (REduction of FREe Hemoglobin) amongst 20 patients and three U.S. clinical sites. The FDA subsequently approved an amendment to the protocol, expanding the trial to be a 40 patient randomized controlled study (20 treatment, 20 control) in eight clinical centers. REFRESH I as the first part of a larger clinical trial strategy, intended to supportsee the approvalsection entitled “Clinical Studies” of CytoSorb in the U.S. for intra-operative use during cardiac surgery.

The REFRESH I study was designed to evaluate the safety and feasibilitythis Item 1 of CytoSorb when used intra-operatively in a heart-lung machine to reduce plasma free hemoglobin (pfHb) and cytokines in patients undergoing complex cardiac surgery.  The study was not powered to measure effect on clinical outcomes. The length, complexity and invasiveness of these procedures cause hemolysis and inflammation, leading to high levels of plasma free hemoglobin, cytokines, activated complement, and other substances.  These inflammatory mediators are correlated with the incidence of serious post-operative complications such as kidney injury, renal failure and other organ dysfunction.  The goal of CytoSorb is to actively remove these inflammatory and toxic substances as they are being generated during the surgery and reduce complications. Enrollment was completed with 46 patients. A total of 38 patients were evaluable for pfHb and completed all aspects of the study.

The primary safety and efficacy endpoints of the study were the assessment of serious device related adverse events and the change in plasma free hemoglobin levels, respectively.  On October 5, 2016, we announced positive top-line safety data. In addition, following a detailed review of all reported adverse events in a total of 46 enrolled patients, the independent Data Safety Monitoring Board (“DSMB”) found no serious device related adverse events with the CytoSorb device, achieving the primary safety endpoint of the trial. In addition, the therapy was well-tolerated and technically feasible, implementing easily into the cardiopulmonary bypass circuit without the need for an additional external blood pump.  This study represents the first randomized controlled trial demonstrating the safety of intra-operative CytoSorb use in patients undergoing high risk cardiac operations.

Investigators of the REFRESH I trial submitted an abstract with data, including free hemoglobin data, from the REFRESH I trial which was selected for a podium presentation at the American Association of Thoracic Surgery conference on May 1, 2017. On May 5, 2017, we announced additional REFRESH I data, including data from the study on the reduction of pfHb and activated complement and disclosed that investigators of the study have submitted a manuscript of the REFRESH I trial for publication.

In December 2017, the FDA approved our IDE application for our REFRESH 2 study. The REFRESH 2 study is a pivotal trial designed to provide the key safety and efficacy data needed to support United States regulatory approval for the use of CytoSorb in cardiac surgery, which we are planning to pursue via the premarket approval (PMA) pathway. The IDE approval allows us to aggressively move forward with our clinical trial sites to complete the final steps prior to the official start of the study. The REFRESH 2 pivotal study will assess the effectiveness of intraoperative CytoSorb blood treatment on postoperative acute kidney injury (AKI), the primary endpoint of the study and one of the most common adverse events in patients undergoing complex cardiac surgery. The REFRESH 2 trial is a randomized, controlled, blinded, multi-center, clinical trial designed to evaluate intraoperative CytoSorb use as a therapy to reduce the incidence and severity of AKI, as measured by Kidney Disease Improving Global Outcomes (KDIGO) criteria, following complex cardiac surgery.  The trial will enroll up to 400 patients at increased risk of cardiovascular AKI, undergoing elective, non-emergent open heart surgery for either valve replacement, or aortic reconstruction with hypothermic cardiac arrest. The Company has initiated discussions with previous trial sites that participated in the REFRESH I study that are familiar with the CytoSorb device and intraoperative use during CPB. The Company believes using sites that previously participated in REFRESH I will accelerate the process of site startup and the launch of REFRESH 2. The Company is ramping the trial, and has begun screening patients at a key site involved in REFRESH 1 and is working to add additional centers experienced in the conduct of clinical trials in complex cardiac surgery. We anticipate that this study will take at least two yeas to complete, and could take longer if enrollment challenges or other factors causing delays are encountered.

Report.

Even though we have obtained CE Mark approval for CytoSorb, no guarantee or assurance can be given that our CytoSorb product will work as intended or that we will be able to obtain FDA approval to sell CytoSorb in the U.S. or approval in any other country or jurisdiction. Because of the limited studies we have conducted, we are subject to substantial risk that our technology will have little or no effect on the treatment of any indications that we have targeted.

We have been successful in obtaining technology development contracts from agencies in the U.S. Department of Defense, including the Defense Advanced Research Projects Agency (“DARPA”), the U.S. Army, and the U.S. Air Force, as well as the National Institutes of Health. See the section entitled “Government Research Grants” of this Item 1 of this Report for information regarding the specific grants.

In January 2017, we launched VetResQ™ for the United States veterinary market, following registration with the FDA. VetResQ is a broad spectrum blood purification adsorber designed to help treat deadly inflammation and toxic injury in animals with critical illnesses such as septic shock, toxic shock syndrome, severe systemic inflammation, toxin-mediated diseases, pancreatitis, trauma, liver failure, and drug intoxication. Based upon cumulative studies, VetResQ is capable of reducing a broad range of excessive inflammatory mediators and toxins that could otherwise cause direct tissue injury or serious systemic inflammation that can rapidly lead to instability, organ failure, and death. VetResQ is manufactured in the United States for the treatment of cats, dogs, horses, and animals of comparable size. VetResQ is compatible with standard hemodialysis, continuous renal replacement therapy (“CRRT”), and hemoperfusion blood pumps.  VetResQ is available only for veterinary animal usage and is not for human use. We do not expect VetResQ to be significant source of revenue for us in the near term.

In addition to CytoSorb and VetResQ, we are developing other products utilizing our adsorbent polymer technology that have not yet received regulatory approval including HemoDefend, CytoSorb-XL, ContrastSorb, DrugSorb, BetaSorb, and others. The HemoDefend technology platform is a development-stage blood purification system that can remove contaminants in transfused blood products, with the goal of reducing potentially fatal transfusion reactions and improving the quality of blood. CytoSorb-XL is a development-stage, next-generation product to CytoSorb, adding endotoxin removal capability to cytokine, exotoxin, and other inflammatory mediator removal. ContrastSorb is designed to remove intravenous radiocontrast (IV contrast), that is administered during interventional radiology procedures, for example, coronary angiograms for heart disease, and computed tomography (CT scans) or computer axial tomography imaging (CAT scans) that can cause kidney failure in high risk patients, for example, those with pre-existing kidney disease, diabetes, hypertension, congestive heart failure, and who are of old age. DrugSorb is designed to remove toxic drugs from blood, such as in drug overdose. The BetaSorb filter was designed for use with renal replacement therapy in end-stage renal disease patients, to remove mid-molecular weight toxins that are not adequately removed by hemodialysis or hemofiltration. BetaSorb is not the current focus of our near-term commercialization plans. With the exception of HemoDefend, all of these products are known medically as hemoperfusion devices. During hemoperfusion, blood is removed from the body via a catheter or other blood access device, perfused through a filter medium where toxic compounds are removed, and returned to the body. Hemoperfusion, along with hemodialysis and hemofiltration, are the three major forms of blood purification.

HemoDefend is a development-stage blood purification technology platform designed to safeguard and protect the blood supply. Continued development of the product is being supported through a $1.5 Phase II SBIR contract funded by the National Heart, Lung and Blood Institute (NHLBI) – a division of the National Institutes of Health (“NIH”), and U.S. Special Operations Command (USSOCOM). We seek to license the HemoDefend platform and have not yet received regulatory approval in any markets. HemoDefend consists of a mixture of proprietary porous polymer beads that target the removal of contaminants that can cause transfusion reactions or cause disease in patients receiving the tens of millions of transfused blood products administered worldwide each year. These contaminants include, for example, foreign antibodies, antigens, cytokines, free hemoglobin, bioactive lipids, toxins, drugs, and other inflammatory mediators that either were from the donor or accumulated during blood storage. The goal of the HemoDefend technology is to reduce these contaminants in transfused blood products to reduce transfusion reactions, to keep new blood fresh, and to improve the quality and safety of blood.

The HemoDefend beads are intended to be used in multiple configurations, including as a common in-line filter between the blood bag and the patient as well as a patent-pending “Beads in a Bag” treatment configuration, where the beads are placed directly into a blood storage bag. Once blood is put into this bag, the beads begin to automatically remove contaminants from the blood, and are designed to continue purifying blood throughout the entire blood storage period. The use of neutrally buoyant beads eliminates the need for mixing and is compatible with current blood storage conditions. Integrated filters in the bag prevent beads from leaving the bag during the transfusion process. The base polymer meets ISO 10993 standards for biocompatibility, hemocompatibility, genotoxicity, cytotoxicity, acute sensitivity and complement activation and can therefore directly contact blood for extended periods of time. In addition, the beads are inert and stable at a wide range of temperatures, and do not contain any antibodies, biologics, ligands, or drugs. Because of this, the beads have a very long shelf life that is consistent with blood storage bag manufacturing standards. No special equipment or handling is required, making it well-suited for mainstream and military applications, as well as for use in less developed countries that are not well-equipped to test and process blood products.

CytoSorb-XL is a development-stage, porous polymer bead technology that combines lipopolysaccharide endotoxin removal with the robust cytokine, toxin, and inflammatory mediator reduction achieved by CytoSorb. CytoSorb-XL and its novel endotoxin binding chemistry is the subject of a broad composition of matter patent application, intended to protect the technology worldwide for the next two decades. In a head-to-head comparison with the leading endotoxin adsorber, Toraymyxin (Toray, Japan), CytoSorb-XL matched the level of endotoxin reduction in anin vitro plasma recirculation system on a comparable volume basis. CytoSorb-XL is expected to replace stand-alone endotoxin specific filters by offering superior performance in the removal of not just endotoxin, but a much broader array of inflammatory mediators that drive uncontrolled deadly inflammation, organ failure, and death in sepsis. The expected market for CytoSorb-XL is similar in size and scope as for CytoSorb.

ContrastSorb is a development-stage blood purification technology that is being optimized for the removal of IV contrast from blood in order to prevent contrast-induced nephropathy (“CIN”). CIN is the acute loss of renal function within the first 48 hours following IV contrast administration. An estimated 65 million CT scans are performed worldwide with IV contrast each year to enhance the images and make it easier to identify anatomic structures. IV contrast is also administered during vascular interventional radiology procedures and angiography of blood vessels in the brain, heart, limbs, and other parts of the body to diagnose and treat atherosclerosis (narrowing of blood vessels due to cholesterol deposits), vascular injury, aneurysms, etc. For example, an estimated 10 million coronary angiograms are performed worldwide each year to diagnose and treat coronary artery disease by placing coronary stents, performing balloon angioplasty, or atherectomy (removal of plaque in arteries). The reported risk of CIN in patients undergoing contrast enhanced CT scans has been reported to be 2% to 13%. For coronary intervention, the risk has been estimated to be as high as 20% to 30% in high risk patients with pre-existing renal insufficiency, long-term diabetes, hypertension, congestive heart failure, and older age. The use of low osmolar IV contrast, hydration of patients pre-procedure, orally administration of N-acetylcysteine, and other agents to prevent CIN have demonstrated modest benefit in some clinical studies, but in many cases, the results across studies have been equivocal and inconsistent. In high risk patients, the direct removal of IV contrast from the blood with ContrastSorb to prevent CIN represents a potentially more effective alternative.

DrugSorb is a development-stage blood purification technology that is capable of removing a wide variety of drugs and chemicals from blood, as a potential treatment for drug overdose, drug toxicity, toxic chemical exposure, use in high-dose regional chemotherapy, and other applications. It has demonstrated extremely high single pass removal efficiency of a number of different drugs that exceeds the extraction capability of hemodialysis or other filtration technologies. It is similar in action to activated charcoal hemoperfusion cartridges that have been available for many years, but has the advantage of having inherent biocompatibility and hemocompatibility without coatings, and can be easily customized for specific agents.

Our BetaSorb device is intended to remove beta_2, -microglobulin and other mid-molecular weight toxins from the blood of patients suffering from chronic kidney failure who rely on long term dialysis therapy to sustain their life. Standard high-flux hemodialysis is very effective in removing small uremic toxins, but much less effective in removing these mid-molecular weight toxins that functional kidneys normally remove. BetaSorb utilizes an adsorbent polymer packed into a similarly shaped and constructed cartridge as utilized for our CytoSorb product, although the polymers used in the two devices are physically different, with one optimized for short-term critical care use and the other specifically designed for the needs of long-term chronic usage. The BetaSorb device also incorporates industry standard connectors at either end of the device, which connect directly into the extra-corporeal circuit (bloodlines) in series with a dialyzer. To date, we have manufactured the BetaSorb device on a limited basis for testing purposes, including for use in clinical studies.

We initially identified end stage renal disease as the target market for our polymer-based adsorbent technology. However, during the development of BetaSorb, we identified several applications for our adsorbent technology in the treatment of critical care patients. As a result, we shifted our priorities to pursue critical care applications (such as for the treatment of sepsis) for our technology given that the potential for usage of BetaSorb in chronic conditions such as end stage renal disease is anticipated to have a longer and more complex regulatory pathway. We may pursue our BetaSorb product in the future after the commercialization of the CytoSorb device. At such time as we determine to proceed with our proposed BetaSorb product, if ever, we will need to conduct additional clinical studies using the BetaSorb device and obtain separate regulatory approval in Europe and/or the U.S.

We have conducted clinical studies using our BetaSorb device in patients with chronic kidney failure, which have provided valuable data that underpin the development of the critical care applications for our technology. The BetaSorb device has been used in a total of four human pilot studies, involving 20 patients, in the U.S. and Europe. The studies included approximately 345 treatments, with some patients using the device for up to 24 weeks (in multiple treatment sessions lasting up to four hours, three times per week) in connection with the application of our products to patients suffering from chronic kidney failure.

Corporate History

We were originally organized as a Delaware limited liability company in August 1997 as Advanced Renal Technologies, LLC. We changed our name to RenalTech International, LLC in November 1998, and to MedaSorb Technologies, LLC in October 2003. In December 2005, MedaSorb Technologies, LLC converted from a limited liability company to a corporation.corporation, called MedaSorb Technologies, Inc. CytoSorbents Corporation was incorporated in Nevada on April 25, 2002 as Gilder Enterprises, Inc., and was originally engaged in the business of installing and operating computer networks that provided high-speed access to the Internet. On June 30, 2006, we disposed of our original business, and pursuant to an Agreement and Plan of Merger, acquired all of the stock of MedaSorb Technologies, Inc., a Delaware corporation, in a merger, and the business of MedaSorb Technologies, Inc. became our business. Following the merger, in July 2006, we changed our name to MedaSorb Technologies Corporation. In November 2008, we changed the name of our operating subsidiary from MedaSorb Technologies, Inc. to CytoSorbents, Inc. In May 2010, we finalized the name change of MedaSorb Technologies Corporation to CytoSorbents Corporation. On October 28, 2014, we changed the name of our operating subsidiary from CytoSorbents, Inc. to CytoSorbents Medical, Inc.

On December 3, 2014, we effected a twenty-five-for-one (25:1) reverse split of our common stock. As a result of this reverse stock split, shares of our common stock outstanding were reduced by approximately 96%. Based on the 582,097,092 shares of common stock outstanding as of December 3, 2014, the total number of shares of common stock outstanding after the reverse stock split, including accounting for fractional shares which were rounded up to the next whole number, were 23,284,040 shares. Accordingly, all share, option and warrant information included in this Annual Report has been retroactively adjusted to reflect the reduced number of shares resulting from this action. Immediately after the reverse stock split, pursuant to an Agreement and Plan of Merger dated December 3, 2014, we changed our state of incorporation from the State of Nevada to the State of Delaware, whereby we merged with and into our recently formed, wholly-owned Delaware subsidiary. At the effective time of the merger, (i) we merged with and into our Delaware subsidiary, (ii) our separate corporate existence in Nevada ceased to exist, (iii) the Delaware subsidiary became the surviving corporation, (iv) the certificate of incorporation, as amended and restated, and the bylaws of the Delaware subsidiary became our certificate of incorporation and bylaws, and (v) each share of our common stock outstanding immediately prior to the effective time was converted into one fully-paid and non-assessable share of our common stock as a Delaware corporation. The reverse stock split, the merger and the Agreement and Plan of Merger were approved by our Board of Directors and stockholders representing a majority of our then-outstanding common stock. All references to “us”, “we”, or the Company, on or after December 3, 2014, refer to CytoSorbents Corporation, a Delaware corporation.

Our executive offices are located at 7 Deer Park Drive, Suite K, Monmouth Junction, New Jersey 08852, and our telephone number is (732) 329-8885. Our website address ishttp://www.cytosorbents.com. We have included our website address as an inactive textual reference only. We make available free of charge through our website our Annual Reports on Form 10-K, our Quarterly Reports on Form 10-Q, our Current Reports on Form 8-K and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Exchange Act as soon as reasonably practicable after we electronically file such material, or furnish it to the SEC. We also similarly make available, free of charge on our website, the reports filed with the SEC by our executive officers, directors and 10% stockholders pursuant to Section 16 under the Exchange Act as soon as reasonably practicable after copies of those filings are provided to us by those persons. We are not including the information contained athttp://www.cytosorbents.com, or at any other website address, as part of, or incorporating it by reference into, this Annual Report on Form 10-K.

We have been engaged in research and development since our inception and have raised approximately $112$214 million from investors. These proceeds have been used to fund the development of multiple product applications and to conduct clinical studies, to establish in-house manufacturing capacity to meet commercial and clinical testing needs, expand our intellectual property through additional patents, and to develop extensive proprietary know-how with regard to our products. For the years ended December 31, 2017, 2016 and 2015, our research and development expenses amounted to approximately $4,049,000, $4,783,000 and $3,871,000, respectively. There are no customer-sponsored research activities relating to the development

We have raised funds through various means including convertible note offerings, equity transactions, and term loans. Our most significant financing transactions are discussed below.

Shelf Registration

July 24, 2020 Offering

On July 29, 2015,24, 2020, the Company’sCompany closed an underwritten public offering of 6,052,631 shares of its common stock at a public offering price of $9.50 per share (the "Offering"). The Company completed the Offering pursuant to the terms of an Underwriting Agreement, dated as of July 21, 2020, by and among the Company and Cowen and Company, LLC and SVB Leerink LLC, as representatives of the several underwriters named therein. The Company received gross proceeds of approximately $57.5 million from the Offering. After deducting the underwriting discounts and commissions and fees and expenses payable by the Company in connection with the Offering, the Company received net proceeds of approximately $53.8 million.

Shelf Registration

On July 26, 2018, the Company filed a registration statement on Form S-3 as filed with the SEC on July 23, 2015, (Registration No. 333-205806) (the “Shelf Registration Statement”(as amended, the “2018 Shelf”). The 2018 Shelf, which was declared effective using a “shelf” registration process. Under this shelf registration statement,on August 7, 2018, enables the Company may issue,to offer and sell, in one or more offerings, any combination of common stock, preferred stock, senior or subordinated debt securities, warrants orand units, up to a total dollar amount of $100$150 million.

Open Market Sale Agreement with Jefferies LLC and B. Riley FBR, Inc.

April 5, 2017 Equity Offering

On April 5, 2017, the Company closed on the sale of an aggregate of 2,222,222 shares of common stock pursuant to the Shelf Registration Statement. The Company received gross proceeds of approximately $10,000,000, based on a public offering price of $4.50 per share.On April 11, 2017, the Company closed the sale of an additional 333,333 shares of the Company’s common stock, pursuant to the underwriters’ full exercise of an over-allotment option. The Company received gross proceeds of approximately $1,500,000 as a result of the exercise of the option. As a result, the Company received total gross proceeds of $11,500,000, and,after deducting the underwriting discounts and commissions and expenses related to the offering, the Company received total net proceeds of approximately$10,300,000. As a result of this offering, the exercise price of the warrants issued in connection with the Company’s March 11, 2014 public offering was reduced to $4.50 in accordance with the pricing provisions of those warrants. There was no change in the number of warrants which were repriced. These warrants remain exercisable on a cash-only basis.

November 4, 2015 Controlled Equity Offering

On November 4, 2015,July 9, 2019, the Company entered into a Controlled Equity Offering^SM Salesan Open Market Sale Agreement (the “Sales“New Sale Agreement”) with Cantor FitzgeraldJefferies LLC and Co., as agent (“Cantor”B. Riley FBR, Inc. (each an “Agent” and, together, the “Agents”), pursuant to which the Company may offer to sell, from time to time, through Cantor,at its option, shares of the Company’s common stock having an aggregate offering price of up to $25,000,000 (the “Shares”) Any Sharesthrough the Agents, as the Company’s sales agents. All shares of the Company’s common stock offered and sold, or to be offered and sold under the New Sale Agreement were or will be issued and sold pursuant to the Company’s 2018 Shelf Registration Statement, as supplemented by a prospectus supplement, dated November 4, 2015, which the Company filed with the SEC pursuant to Rule 424(b)(5) under the Securities Act.

Under the Sales Agreement, Cantor may sell Shares by any method permitted by law andmethods deemed to be an “at the market offering” as defined in Rule 415415(a)(4) promulgated under the Securities Act of 1933, as amended, (the “Securities Act”), including sales made directly on The Nasdaq Capital Market (“Nasdaq”), on any existing trading market forin block transactions or if specified by the common stock or to or through a market maker. In addition, under the Sales Agreement, Cantor may sell the Shares by any other method permitted by law, includingCompany, in privately negotiated transactions. The

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On April 20, 2020, the Company and the Agents entered into an amendment to the New Sale Agreement (the “Amendment”) to provide for an increase in the aggregate offering amount under the New Sales Agreement, such that as of April 20, 2020, the Company may instruct Cantor notoffer and sell Shares having an additional aggregate offering price of up to $50 million under the New Sale Agreement, as amended by the Amendment (the “Amended Sale Agreement”).

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Subject to the terms of the Amended Sales Agreement, the Agents are required to use their commercially reasonable efforts consistent with their normal sales and trading practices to sell Shares if the sales cannot be effected at or aboveshares of the price designated by the CompanyCompany’s common stock from time to time.

time, based upon the Company’s instructions (including any price, time or size limits or other customary parameters or conditions the Company may impose). The Company is not obligatedrequired to make any salespay the Agents a commission of Shares underup to 3.0% of the Sales Agreement, andgross proceeds from the sale of the shares of the Company’s common stock sold thereunder, if it electsany. The Company has also agreed to make any sales,provide the Company can set a minimum sales price for the Shares.Agents with customary indemnification rights. The offering of Shares pursuant to the shares of the Company’s common stock under the Amended Sales Agreement will terminate upon the earlierearliest of (a) the sale of allthe maximum number or amount of the shares subjectof the Company’s stock permitted to be sold under the SalesAmended Sale Agreement and (b) the termination of the SalesAmended Sale Agreement by Cantor or the Company, as permitted therein. From November 4, 2015 through December 31, 2015, the Company sold 28,880 shares, generating net proceeds of approximately $225,000 under the Sales Agreement. There were no sales during the year ended December 31, 2016.parties thereto. During the year ended December 31, 2017,2019, the Company sold 550,000191,244 shares pursuant to the Amended Sale Agreement, at an average selling price of $6.31$4.11 per share, generating net proceeds of approximately $3,367,000. From January 1, 2018 through March 7, 2018,$762,000.  During the year ended December 31, 2020, the Company sold 465,1124,110,625 shares pursuant to the Amended Sale Agreement, at an average costselling price of $7.91$6.64 per share, generating net proceeds of approximately $3,568,000.$26,476,000. In the aggregate, the Company has sold 1,043,9924,301,869 shares pursuant to the Amended Sale Agreement, at an average selling price of $7.07$6.53 per share, generating net proceeds of approximately $7,159,000 under$27,238,000. In addition, during the terms of the Sales Agreement.

The Company pays a commission rate of 3.0% of the aggregate gross proceeds from each sale of Shares and has agreed to provide Cantor with customary indemnification and contribution rights. In 2015,year ended December 31, 2020, the Company reimbursed Cantor $50,000 for certain specifiedpaid approximately $49,000 in expenses in connection withrelated to the execution of the SalesAmended Sale Agreement.

The Company intends to use the net proceeds raised through “at the market” sales for research and development activities, which include the funding of additional clinical studies and costs of obtaining regulatory approvals in countries not covered by the CE Mark, capital expenditures and other costs necessary to expand production capacity, support of various sales and marketing efforts, product development and general working capital purposes.

Research and Development

We have been engaged in research and development since inception. Since 2012, we have been awarded an aggregate of approximately $11.1$28.4 million in grants, contracts, and contractsother non-dilutive funding from DARPA ($3.8M over 5 years), the U.S. Army ($100K Phase I SBIR; $50K Phase I option, $803K Phase II SBIR, $443K Phase II enhancement)enhancement, $1.1M 2nd Phase II), the U.S. Air Force $3.0M Rapid Innovation Fund, the Congressionally Directed Medical Research Program Office, (“CDRMP”)CDMRP”, $718K,$718K), the National Heart, Lung and Blood Institute and USSOCOM ($203K Phase I SBIR; $1.5M Phase II SBIR; $3.0M Bridge SBIR), the Joint Program Executive Office – Chemical and Biological Defense, (JPEO-CBD), ($150K Phase I and Phase I option, $1.0M Phase II) ,the , the

U.S. Army Peritoneal dialysis/mesh packing for hyperkalemia ($150K Phase I SBIR, $1.0M and Phase II), Universal Plasma ($150K Phase I and 1.0M Phase II)II STTR; $2.9M Defense Health Agency, US Army and CDMRP Phase III STTR; $4.4M US Army and CDMRP Rapid Innovation Fund; and a $1.1M US Army contract), New Jersey Technology Business Tax Certificate Program for research related expenses ($5.9M), and others to further develop our technologies for sepsis, trauma and burn injury, and blood transfusions, respectively. Some payments are based on achieving certain technology milestones.

Technology, Products and Applications

For approximately the past half-century, the field of blood purification has been focused on hemodialysis, a mature, well acceptedwell-accepted medical technique primarily used to sustain the lives of patients with permanent or temporary loss of kidney function. It is widely understood by the medical community that dialysis has inherent limitations in that its ability to remove toxic substances from blood drops precipitously as the size of toxins increases. Our hemocompatible adsorbent technology is expectedhelps to address this shortcoming by removing toxins and toxic compounds largely untouched by dialysis technology.

Our polymer adsorbent technology can remove drugs, bioactive lipids, inflammatory mediators such as cytokines, free hemoglobin, toxins, and immunoglobulin from blood and physiologic fluids depending on the polymer construct. It is believed that the technology may have many applications in the treatment of common, chronic and acute healthcare conditions including, but not limited to, the adjunctive treatment and/or prevention of sepsis; the treatment of other critical care illnesses such as severe burn injury, trauma, acute respiratory distress syndrome and pancreatitis; the prevention of post-operative complications of cardiopulmonary bypass surgery; the treatment of cancer cachexia; the treatment of cytokine release syndrome in cancer immunotherapy, the prevention of damage to organs donated by brain-dead donors prior to organ harvest; the prevention of transfusion reactions caused by contaminants in transfused blood products; the prevention of contrast induced nephropathy, the treatment of drug overdose, and the treatment of chronic kidney failure. These applications vary by cause and complexity as well as by severity but share a common characteristic, i.e., high concentrations of inflammatory mediators and toxins in the circulating blood.

Our flagship product, CytoSorb, animal-targeted VetResQ, ECOS-300CY, and other product candidates under development, including CytoSorb XL, BetaSorb, ContrastSorb, DrugSorb, HemoDefend-RBC, HemoDefend-BGA, K⁺ontrol,and DrugSorb,others consist of a cartridge containing adsorbent, porous polymer beads, although the polymers used in these devices are physically different. The cartridges incorporate industry standard connectors at either end of the device, which connect directly to the extracorporeal circuit (bloodlines) in series with a dialyzer as a standalone device. The extra-corporeal circuit consists of plastic blood tubing, our blood filtration cartridges containing adsorbent polymer beads, pressure monitoring gauges, and a blood pump to maintain blood flow. The patient’s blood is accessed through a catheter inserted into his or her veins. The catheter is connected to the extra-corporeal circuit and the blood pump draws blood from the patient, pumps it through the cartridge and returns it back to the patient in a closed loop system. All of these devices are expected to be compatible with standard blood pumps or hemodialysis machines used commonly in hospitals and will therefore not require hospitals to purchase additional expensive equipment, and will require minimal training.

The polymer beads designed for the HemoDefend platform are intended to be used in multiple configurations, including a point-of-transfusion in-line filter between the blood bag and the patient, as well as a patent-pending “Beads in a Bag” configuration, where the beads are placed directly into a blood storage bag.

Markets

We are a critical care focused immunotherapy company. Immunotherapy is the ability to control the immune response to fight disease. Critical care medicine includes the treatment of patients with serious or life-threatening conditions who require comprehensive care in the ICU, with highly-skilled physicians and nurses and advanced technologies to support critical organ function to keep patients alive. Examples of such conditions include severe sepsis and septic shock, severe burn injury, trauma, acute respiratory distress syndrome, acute liver disease, and severe acute pancreatitis. In the U.S., an estimated $110 billion or 0.7% of the U.S. gross domestic product is spent annually on critical care medicine. In larger hospitals, critical care treatment accounts for up to 20% of a hospital’s overall budget and often results in financial losses for the hospital.

In many critical care illnesses, the mortality is often higher than 30%. A major cause of death is multiple organ failure, where vital organs such as the lungs, kidneys, heart and liver are damaged and no longer function properly. SuchThese patients are kept alive with supportive care therapy, or “life support”, such as mechanical ventilation, dialysis and vasopressor treatment, that is designed to keep the patient from dying while using careful patient management to tip the balance towards gradual recovery over time. Unfortunately, most supportive care therapies only help to keep patients alive by supporting organ function but do not help reverse the underlying causes of organ failure and do not help patients recover more quickly. Because of this, the treatment course is often poorly defined and highly variable, leading to lengthy ICU stays, a higher risk of adverse outcomes from hospital acquired infections, medical errors, and

other factors, as well as exorbitant costs. There is an urgent need for more effective “active” therapies that can help to reverse or prevent organ failure. Our main product, CytoSorb, is a unique cytokine filter designed to try to address this void, by reducing “cytokine storm” and working to reduce the subsequent deadly inflammation that can lead to organ failure and death.  In May 2018, the approved indications for use of CytoSorb in the EU were expanded to include the removal of bilirubin in liver disease, and the removal of myoglobin in trauma.  In 2020, the Company received CE-Mark label expansions for CytoSorb to remove the anti-platelet agent ticagrelor and the direct oral anticoagulant rivaroxaban in patients undergoing cardiac surgery on cardiopulmonary bypass.

In addition to critical care, CytoSorb is used in many applications related to cardiac surgery. Intra-operatively, CytoSorb is either used to help stabilize patients with serious conditions such as infective endocarditis, or to prevent post-operative complications such as acute kidney injury, vasoplegia, respiratory failure, infection, and others. Post-operatively, CytoSorb is used in the intensive care unit to treat the post-operative systemic inflammatory response syndrome (post-op SIRS), sepsis, and other complications.

Together the total addressable market to addressfor these numerous critical care applications in the U.S. and EUcardiac surgery applications with CytoSorb is estimated at $10to be in excess of $20 billion to $15 billion.worldwide.

Sepsis

Sepsis is characterized by a systemic inflammatory response triggered by a severe infection. It is commonly seen in the ICU, accounting for approximately 10% to 20% of all ICU admissions. However, there are currently no approved products that are available to treat sepsis in the U.S. or EU. Each year,A 2020 study published in The Lancet estimated that there are more than one million and 1.5were 49 million new cases of severe sepsis or septic shockglobally, killing 11 million people every year. The researchers estimate that 1 in every 5 deaths worldwide is due to sepsis. Data released by the Healthcare Cost and Utilization Project (H-CUP) identified approximately 1.6 million cases of sepsis each year in the U.S. and Europe, respectively. Based on the reported incidence of sepsis in a number of developed countries, the worldwide incidence is estimated to be 18 million cases per year. The Global Sepsis Alliance estimates there are more than 30 million cases per year with approximately 6-9 million deaths. According to the CDC, the incidence of serious infection and sepsis has doubled in the U.S. in the past 10 years. The main driver of sepsis incidence is the aging demographic, specifically patients who are older than age 65 who are more prone to infection and now account for two-thirds of patients hospitalized for sepsis and the majority of sepsis deaths. Other factors contributing to the increase in sepsis incidence include the spread of antibiotic resistant bacteria like methicillin-resistant Staphylococcus aureus (“MRSA”), an increase in co-morbid conditions like HIV, cancer, obesity, and diabetes that increases the risk of infection, an increasing use of implantable devices like artificial hips and knees that are prone to colonization by bacteria, and the appearance of new highly virulent or contagious strains of common pathogens such as H3N2 or H1N1 influenza.

influenza, COVID-19 coronavirus, and others.

There are generally three categories of sepsis, including mild to moderate sepsis, severe sepsis and septic shock. Mild to moderate sepsis typically occurs with an infection that is responsive to antibiotics or antiviral medication. An example is a patient with self-limiting influenza or a treatable community acquired pneumonia. Mortality is generally very low. Severe sepsis is sepsis with evidence of organ dysfunction. An example is a patient who develops respiratory failure due to a severe pneumonia and requires mechanical ventilation in the ICU. Severe sepsis has a mortality rate of approximately 25%20% to 35%25% despite the use of antibiotics and the highest level of available care. Septic shock, or severe sepsis with low blood pressure that is not responsive to fluid resuscitation, is the most serious form of sepsis with an expected mortality in excess of 40% to 50%, and up to 90-100%80-100% if it is refractory to vasopressors and other therapies.

In sepsis, there are two major problems: the infection and the body’s immune response to the infection. Antibiotics are the main therapy used to treat the triggering infection, and although antibiotic resistance is growing, the infection is often eventually controlled. However, it is the body’s immune response to this infection that frequently leads to the most devastating damage. Recently,In recognition of this, in 2016 the 3^rd International Consensus Definition Task Force definedre-defined sepsis as “life-threatening organ dysfunction due to a dysregulated host response to infection.” The body’s immune system normally produces large amounts of inflammatory mediators called cytokines to help stimulate and regulate the immune response during an infection. In severe infection, however, many people suffer from a massive, unregulated overproduction of cytokines, often termed “cytokine storm” that can kill cells and damage organs, leading to multiple organ dysfunction syndrome and multiple organ failure, and in many cases death. Until recently, there have been no available therapies in the U.S. or EU that can control the aberrant immune response and cytokine storm. Our CytoSorb device is a first-in-class, clinically-proven broad-spectrum extracorporeal cytokine filteradsorber currently approved for sale in the E.U. The goal of CytoSorb is to prevent or treat organ failure by reducing cytokine storm and controlling a “run-away” immune response, while antibiotics work to control the actual infection. CytoSorb has been evaluated in the randomized, controlled European Sepsis Trial in 100 patients in Germany with predominantly septic shock and acute respiratory distress syndrome or acute lung injury. The therapy was safe in more than 300 human treatments and generally well-tolerated. CytoSorb demonstrated the ability to reduce a broad range of cytokines from the blood of critically illcritically-ill patients. In a post-hoc analysis, this was associated with improvements in clinical outcome in two high-risk patient populations – those with very high cytokine levels and patients 65 years of age and older. We have completed a follow-up Dosingdosing study at several clinical trial sites in Germany, supporting the safety of continuous treatment, exchanging a new device daily for up to 7 days.

The only treatment that had been approved to treat sepsis in the U.S. or EU was Xigris from Eli Lilly. Because of concerns of cost, limited efficacy, and potentially dangerous side effects including the increased risk of fatal bleeding events such as intracranial bleeding for those at risk, and also because of problems with reimbursement, worldwide sales of Xigris decreased from $160M in 2009 to $104M in 2010. In October 2011, following its PROWESS SHOCK trial that demonstrated no benefit in mortality in septic shock patients, Lilly voluntarily withdrew Xigris from all markets worldwide, and is no longer available as a treatment.

Development of most othermany experimental therapies has been discontinued, including Eritoran from Eisai, CytoFab from BTG/Astra Zeneca, Talactoferrin from Agennix, tranexemic acid from Leading Biosciences, and others.

For more information regarding our competitor’s clinical trials, see the section entitled “Competition” in Item 1 of this report.

Severe sepsis and septic shock patients are among the most expensive patients to treat in a hospital. Because of this, we believe that cost savings to hospitals and/or clinical efficacy, rather than the cost of treatment itself, will be the determining factor in the adoption of CytoSorb in the treatment of sepsis. CytoSorb is approved in the EU and is being sold directly in Germany, Austria, Switzerland, Belgium, Luxembourg, Poland, Norway, Denmark, Sweden, and the Netherlands with our own direct sales force. In December 2016, we announced the achievement of a permanent, dedicated reimbursement procedure code for CytoSorb therapy in Germany, providing for specific and enhanced reimbursement in the largest medical device market in Europe. We have established strategic partnerships with Fresenius Medical Care, the world’s largest dialysis company, for exclusive distribution of CytoSorb for critical care applications in France, Finland, the Czech Republic, Mexico, and Korea, and Terumo Cardiovascular, the largest cardiac surgery disposables company, for exclusive distribution of the CytoSorb Cardiopulmonary Bypass Kit in France, Denmark, Sweden, Norway, Finland, and Iceland. We are also partnered with Biocon Biologics Limited, India’s largest biopharmaceutical company, for exclusive distribution of CytoSorb in India, Sri Lanka, and other select emerging markets. In March 2021, we announced a strategic partnership with B. Braun Avitum AG, and the launch of a global co-marketing agreement to promote the use of CytoSorb with B Braun’s latest OMNI® continuous blood purification platform and OMNIset® Plus bloodline set (set version 3.0 or higher). We have ongoing discussions with potential corporate partners and independent distributors to market CytoSorb in other select EU countries and in other countries outside the EU that accept CE Mark approval. We have established direct sales or distribution of CytoSorb in 67 countries worldwide.

We estimate that the market potential in Europe for our products is larger than that in the U.S. For example, in the U.S. there are an estimated 1.6 million cases of sepsis, while the European Sepsis Alliance estimates 3.4 million individuals in Europe become septic each year. In Germany alone, according to the Center of Sepsis Control and Care, there are approximately 175,000 cases of severe sepsis each year. Germany is the largest medical device market in Europe and the third largest in the world.

Sepsis patients are treated in the ICU for 12 to 18 days on average and for a total of 20 to 25 days in the hospital. A typical severe sepsis or septic shock patient in the U.S. costs approximately $45,000 to $60,000 to treat without using CytoSorb. CytoSorb therapy for sepsis typically costs in the range of $1,000 to $5,000, depending on the number of treatments. The goal of therapy is to not only improve clinical outcomes, but to also reduce the severity of illness and reduce the need for costly ICU care (estimated at approximately $4,300 per day in the ICU in the U.S.). The cost of CytoSorb therapy represents a fraction of what is currently spent on the treatment of patients with sepsis and would be cost-effective if it decreased ICU stay by one to two days. Based upon this price point, the total addressable market for CytoSorb for the treatment of sepsis in the U.S. and EU is approximately $6 billion to $8 billion.

Cardiac Surgery

There are approximately 500,000 cardiac surgery procedures performed on cardiopulmonary bypass annually in the U.S., another 500,000 in the EU, and approximately a total of 1.5 million procedures worldwide. These include relatively common procedures including coronary artery bypass graft surgery, valve replacement surgery, heart and lung transplantation, aortic reconstruction, congenital heart defect repair, and LVAD placements for the treatment of heart failure. Cardiac surgery can result in inflammation and the production of high levels of inflammatory cytokines, activation of complement, as well as hemolysis, causing the release of free hemoglobin. These can lead to post-operative complications including infection, pulmonary, renal, and neurological dysfunction. Complications lead to longer ICU recovery times and hospital stays, increased morbidity and mortality, and higher costs. An average coronary artery bypass graft procedure already costs approximately $36,000 in the U.S. without complications. According to the National Foundation for Transplants, a heart and lung transplant plus first year expenses total $1.2 million in the U.S. Valve replacement surgery for infective endocarditis is poorly reimbursed and may cost up to $150,000-$250,000 in the U.S. The use of CytoSorb to reduce cytokines and other inflammatory mediators during and after the surgical procedure may prevent or mitigate these post-operative complications. During the procedure, the CytoSorb adsorber can be easily incorporated in the heart-lung machine circuit without the need for a separate pump, a unique competitive advantage over other technologies. After the surgery, CytoSorb can continue to be used similarly to dialysis on patients that develop a severe post-operative inflammatory response with hemodynamic instability. Modified ultrafiltration is sometimes used after termination of cardiopulmonary bypass in cardiac surgery to remove excess fluid and inflammatory

substances, but has had mixed benefit. The peri-procedural total addressable market for CytoSorb in the U.S. and EU in cardiothoracic surgery procedures is estimated to be $500 million to $1 billion.

Removal of Antithrombotic Drugs in Cardiac Patients During Surgery Requiring Cardiopulmonary Bypass

The role of antithrombotics, a category that includes both antiplatelet and anticoagulant drugs in cardiovascular medicine is constantly growing. Antiplatelet drugs are routinely used in patients with atherosclerotic cardiovascular disease such coronary disease, vascular disease or stroke. In the acute management of these patients especially when they need interventional procedures such as stent placement therapy is escalated using two antiplatelet drugs (dual antiplatelet therapy - DAPT). Ticagrelor (Astra Zeneca - Brilinta(R), Brilique(R)) is considered best in class and is one of the most commonly used anti-platelet drugs to reduce the risk of cardiac death, heart attacks, and strokes in patients with either a history of a heart attack, or those actively undergoing percutaneous coronary intervention (PCI) with stent placement for acute coronary syndrome or heart attack. On the other hand, patients with atrial fibrillation or venous thrombosis require chronic anticoagulation. A new category of drugs called Direct Oral Anticoagulants (DOAC) is now the new standard of care with tens of millions of patients relying on them for lifelong protection. The two leaders in the category,Apixaban (Bristol Myers Squibb - Eliquis(R)) and rivaroxaban (Janssen and Bayer - Xarelto(R)) aare estimated to reach 40 billion USD in sales by 2026.

There is a clear and large unmet medical when patients on these antithrombotic agents need to undergo surgery due to the very high risk of bleeding. Specifically, in patients on these drugs requiring urgent or emergent cardiac surgery the risk of major fatal/life-threatening bleeding has been reported to be as high as 65%. This scenario is most common in patients presenting with an acute coronary syndrome (ACS). In the US alone there are approximately 1.1 million ACS hospital admissions annually. CytoSorb is able to very efficiently remove ticagrelor and DOACs from blood. The use of CytoSorb during emergency coronary artery bypass surgery (CABG) in patients on ticagrelor or rivaroxaban significantly reduced post-operative bleeding complications in a landmark observational study and had projected cost savings of approximately $5,000 per patient, including the cost of the device. Every year there are approximately 400,000 CABG procedures performed in the US and 250,000 CABG procedures in the EU with nearly 100,000 in Germany alone.

Acute Respiratory Distress Syndrome

Acute lung injury (“ALI”) and acute respiratory distress syndrome (ARDS) are two of the most serious conditions on the continuum of respiratory failure when both lungs are compromised by inflammation and fluid infiltration, severely compromising their ability to both oxygenate the blood and rid the blood of carbon dioxide produced by the body. There are an estimated 165,000 cases of ARDS in the U.S. each year, with even more cases in the EU. During the COVID-19 pandemic in 2020-2021, ALI and ARDS were responsible for more than 500,000 deaths in the U.S. alone. Patients with ALI and ARDS typically require mechanical ventilation, and sometimes extracorporeal membrane oxygenation (ECMO) therapy, to help achieve adequate oxygenation of the blood. Patients on mechanical ventilation are at high risk of ongoing ventilator-induced lung injury, oxygen toxicity, barotrauma, ventilator-acquired pneumonias, and other hospital acquired infections, and outcome is significantly dependent on the presence of other organ dysfunction as well as co-morbid conditions such as pre-existing lung disease (e.g., emphysema or chronic obstructive pulmonary disease) and age. Because of this, mortality has been high (16-33%) even with modern medicine and ventilation techniques. ALI and ARDS can be precipitated by a number of conditions including pneumonia and other infections, burn and smoke inhalation injury, aspiration, reperfusion injury and shock. Cytokine injury plays a major role in the vascular compromise and cell-mediated damage to the lung through tight junction disruption of respiratory endothelium, leading to capillary leak syndrome, and other factors. Reduction of cytokine levels may either prevent or mitigate lung injury, enabling patients to wean from mechanical ventilation faster, potentially reducing numerous sequelae such as infection, pneumothoraces, and respiratory muscle deconditioning, and allow faster ICU discharge, thereby potentially saving costs. CytoSorb treatment of patients with either ALI or ARDS in the setting of sepsis was the subject of our European Sepsis Trial where in a post-hoc analysis in patients with very high cytokine levels, we observed faster ventilator weaning in CytoSorb treated patients that showed a statistical trend towards benefit. Future, prospectively defined, larger studies are required to confirm these findings. Although a number of therapies have been tried such as nitric oxide, surfactant therapy, and others, only corticosteroids, such a dexamethasone or methylprednisolone, have demonstrated mortality benefit in patients with ARDS. For example, in critically ill COVID-19 patients on mechanical ventilation, the RECOVERY study demonstrated use of once daily dexamethasone led to a reduction in mortality from 41.4% control to 29.3% treatment. However, techniques to improve ventilation and reduce ongoing lung injury are being used.  For example, low tidal volume ventilation has been demonstrated to improve mortality (31.0% as compared to 39.8% control) in this patient population in the ARDSNet Trial. Prone positioning, or placing a patient chest-side down, in severe ARDS patients in order to redistribute gravity-dependent pulmonary edema and allow ventilation of collapsed or atelectatic alveoli, is also used, following studies that suggest benefit including the PROSEVA trial (16% vs 32.8% in the control). However, even with these interventions, we believe mortality is still unacceptably high. The total addressable market for CytoSorb to treat ARDS and ALI in the EU is estimated to be between $500 million to $1.25 billion, and approximately $2 billion for the U.S and EU combined.

Severe Burn Injury

In the U.S., there are approximately 2.4 million burn injuries per year, with 650,000 treated by medical professionals and approximately 75,000 requiring hospitalization. Aggressive modern management of burn injury, including debridement, skin grafts, anti-microbial dressings and mechanical ventilation for smoke and chemical inhalation injury has led to significant improvements in survival of burn injury to approximately 95% on average at leading burns centers. However, there remains a need for better therapies to reduce the mortality in those patients with large burns and inhalation injury as well as to reduce complications of burn injury and hospital length of stay for all patients. According to National Burn Repository Data, the average hospital stay for burn patients is directly correlated with the percent total body surface area (“TBSA”) burned. Every 1% increase of TBSA burned equates to approximately 1 additional day in the hospital. A single patient with more than 30% TBSA burned who survives, is hospitalized for an average of 30 days and costs approximately $200,000 to treat. Major causes of death following severe burn and smoke inhalation injury are multiple organ failure (hemodynamic shock, respiratory failure, acute renal failure) and sepsis, particularly in patients with greater than 30% TBSA burns. Burns and inhalation injury lead to severe systemic and localized lung inflammation, loss of fluid, and cytokine overproduction. This “cytokine storm” causes numerous problems, including: hypovolemic shock and inadequate oxygen and blood flow to critical organs, ARDS preventing adequate oxygenation of blood, capillary leakage resulting in tissue edema and intravascular depletion, hypermetabolism leading to massive protein degradation and catabolism and is also associated with increased risk of infection, impaired healing, severe weakness and delayed recovery, immune dysfunction causing a higher risk of secondary infections (wound infections, pneumonia) and sepsis, and direct apoptosis and cell-mediated killing of cells, leading to organ damage. Up to a third of severe hospitalized burn patients develop multiple organ failure and sepsis that can often lead to complicated, extended hospital courses, or death. Broad reduction of cytokine storm has not been previously feasible and represents a novel approach to limiting or reversing organ failure, potentially enabling more rapid mechanical ventilation weaning, prevention of shock, reversal of the hypermetabolic state encouraging faster healing and patient recovery, reducing hospital costs, and potentially improving survival. The total addressable market in the EU for CytoSorb to address burn and smoke inhalation injury is estimated at $150 million to $350 million and up to $600 million for the U.S. and EU combined.

Trauma

According to the National Center for Health Statistics, in the U.S., there are more than 31 million visits to hospital emergency rooms, with 1.9 million hospitalizations, and 167,000 deaths every year due to injury. The leading causes of injury are trauma from motor vehicle accidents, being struck by an object or other person, and falls. Trauma is a well-known trigger of the immune response and a surge in cytokine production or cytokine storm. In trauma, cytokine storm contributes to the systemic inflammatory response syndrome triggering a cascade of events that cause cell death, organ damage, organ failure and often death. Cytokine storm exacerbates physical trauma in many ways. For instance, trauma can cause hypovolemic shock due to blood loss, while cytokine storm causes capillary leak and intravascular volume loss, and triggers nitric oxide production that causes cardiac depression and peripheral dilation. Shock can lead to a lack of oxygenated blood flow to vital organs, causing organ injury. Severe systemic inflammation and cytokine storm can lead to ALI and ARDS as is often seen in ischemia and reperfusion injury following severe bleeding injuries. Penetrating wound injury from bullets, shrapnel and knives, can lead to infection and sepsis, another significant cause of organ failure in trauma. Complicating matters is the breakdown of damaged skeletal muscle, or rhabdomyolysis, from blunt trauma that can lead to a massive release of myoglobin into the blood that can crystallize in the kidneys, leading to acute kidney injury and renal failure. Renal failure in trauma is associated with a significant increase in expected mortality. Cytokine and myoglobin reduction by CytoSorb and related technologies may have benefit in trauma, potentially improving clinical outcome. In May 2018, the approved indications for use of CytoSorb in the EU were expanded to include the removal of myoglobin in trauma.  The total addressable market for CytoSorb for the treatment of trauma is estimated to be $1.5 billion to $2.0 billion in the U.S. and the EU.

Trauma patients on antithrombotic drugs represent an especially challenging cohort since any necessary surgery would be associated with very high bleeding risk. The ability of CytoSorb to efficiently remove some of the most popular antithrombotic drugs may represent an additional mode of benefit to improve clinical outcomes in trauma patients.

Acute Liver Disease

Chronic liver disease afflicts an estimated 850 million people worldwide, or 11% of the world population, due to the prevalence of viral hepatitis infection, alcohol abuse, and non-alcoholic steatohepatitis (NASH or “fatty liver”). Chronic liver disease is blamed for nearly one million deaths a year, with another one million dying of hepatic cancer and acute hepatitis. In the U.S., liver disease is the second leading cause of death from digestive disease, and the 10^th leading cause of death amongst men. Many patients with advanced chronic liver disease will develop an acute exacerbation or decompensation (“acute-on-chronic”) of their disease, with associated inflammation and cytokine elevation, often requiring hospitalization. Also, many patients will present with acute hepatitis triggered by viral infection or alcohol. A range of symptoms, depending on the severity of illness include jaundice (high bilirubin), variceal hemorrhage, cognitive dysfunction and hepatic encephalopathy, ascites, coagulopathy, renal failure, liver failure, and others. The extracorporeal blood purification of liver toxins such as bilirubin has been used to help treat patients and is often called “liver dialysis”. Current liver dialysis therapies include MARS (Molecular Adsorbent Recirculation System; Baxter), Prometheus (Fresenius), SPAD (single pass albumin dialysis), and others. However, none of these therapies can remove cytokines, key elements in acute-on-chronic exacerbations and cases of acute hepatitis. CytoSorb represents a potentially superior liver dialysis therapy, as it can remove both liver toxins such as bilirubin and bile salts, as well as cytokines. In May 2018, the approved indications for use of CytoSorb in the E.U. were expanded to include the removal of bilirubin in liver disease. The total addressable market for CytoSorb for the treatment of acute-on-chronic liver disease, acute hepatitis, and acute liver failure is estimated in excess of $15 billion worldwide.

Severe Acute Pancreatitis

Acute pancreatitis is the inflammation of the pancreas that results in the local release of digestive enzymes and chemicals that cause severe inflammation, necrosis and hemorrhage of the pancreas and local tissues. Approximately 210,000 people in the U.S. are hospitalized each year with acute pancreatitis with roughly 20% requiring ICU care. It is caused most frequently by a blockage of the pancreatic duct or biliary duct with gallstones, cancer, hyperlipidemia, or from excessive alcohol use. Severe acute pancreatitis is characterized by severe pain, inflammation, and edema in the abdominal cavity, as well as progressive systemic inflammation, generalized edema, and multiple organ failure that is correlated with high levels of cytokines and digestive enzymes in the blood. Little can be done to treat severe acute pancreatitis today, except for pancreatic duct decompression with endoscopic techniques, supportive care therapy, pain control, enteral tube feeding, and fluid support. ICU stay is frequently measured in weeks and although overall ICU mortality is approximately 10%, patients with multiple organ failure have a much higher risk of death. CytoSorb may potentially benefit overall outcomes in episodes of acute pancreatitis by removing a diverse set of toxins and cytokines from blood. The total addressable market for CytoSorb for the treatment of severe acute pancreatitis in the U.S. and EU is estimated to be between $400 million to $600 million.

Cancer Cachexia and Cancer Immunotherapy

Cancer cachexia is a progressive wasting syndrome characterized by rapid weight loss, anorexia, and physical debilitation that significantly contributes to death in many cancer patients. Cancer cachexia is a systemic inflammatory condition, driven by excessive pro-inflammatory cytokines and other factors, that cripples the patient’s physical and immunologic reserve to fight cancer. Despite afflicting millions of patients worldwide each year, there are no effective approved treatments for cancer cachexia, with only symptomatic treatments available. CytoSorb blood purification may stop or reverse cancer cachexia through broad reduction of cytokines and other inflammatory mediators, when treated over time. For example, CytoSorb efficiently removes TNF-alpha (originally called “cachectin” or “cachexin” when first isolated in cancer cachexia patients) and other major pro-inflammatory cytokines including IL-1, IL-6, and gamma interferon that can cause cachexia. This broad immunotherapy approach may lead to improved clinical outcomes while reducing patient suffering.

CytoSorb may also represent a rescue or salvage therapy in activated CAR T-cell cancer immunotherapy, where cytokine release syndrome (i.e. CRS or cytokine storm) is common, and can lead to organ failure and death in certain patients. In the CRS literature, researchers have drawn parallels to both macrophage activating syndrome and secondary hemophagocytic lymphohistiocytosis (HLH) which produce a similar clinical picture and cytokine storm profile. CytoSorb has been used successfully in many cases of secondary HLH. In March 2017, the pioneer of CAR T-cell immunotherapy, Dr. Carl June at University of Pennsylvania, joined our scientific advisory board. In 2017, both Kymriah from University of Pennsylvania and Novartis, and Yescarta from Kite Pharma and Gilead Sciences, received FDA approval for the treatment of certain hematologic cancers. In early 2020, the first two case reports of CRS successfully treated with the adjunctive use of CytoSorb were published.

The total addressable market for CytoSorb for the treatment of cancer cachexia and cancer in the U.S. and EU is estimated to be in excess of $4 billion.

Organ Transplant and Brain-Dead Organ Donors

There are in excess of 6,000 brain dead organ donors each year in the United States; worldwide, the number of these organ donors is estimated to be at least double the U.S. brain dead organ donor population. There is a severe shortage of donor organs. Currently, there are more than 100,000 individuals on transplant waiting lists in the United States. Cytokine storm is common in these organ donors, resulting in reduced viability of potential donor organs. The potential use of CytoSorb hemoperfusion to control cytokine storm in brain dead organ donors could increase the number of viable organs harvested from the donor pool and improve the survival of transplanted organs. A proof-of-concept pilot study using our technology in human brain dead donors has been published. In addition, CytoSorb treatment in a porcine animal model of brain death demonstrated a reduction in cytokines as well as a preservation of cardiac function compared to untreated controls.

In October 2020, CytoSorbents announced the EU approval of the ECOS-300CY cartridge for the removal of inflammatory mediators during ex vivo organ perfusion, with the goal of either preserving organ function in healthy organs, or rehabilitating dysfunctional organs that would otherwise have been discarded.  We believe the ECOS-300CY cartridge has the potential to expand the organ donor pool.  According to Eurotransplant, there were approximately 6,400 transplants from deceased donors and roughly 14,000 patients on waiting list for organs in Europe last year. In the United States, UNOS cites 39,035 organ transplants in 2020, with approximately 108,000 patients on the waiting list.  This represents a US and European total addressable market for the ECOS-300CY device of approximately $400-600 million.

Blood Transfusions

The HemoDefend platform is a development-stage technology designed to be a practical, low cost, and effective way to safeguard the quality and safety of the blood supply. In the U.S. alone, 15 million packed red blood cell (“pRBC”) transfusions and another 15 million transfusions of other blood products (e.g., platelet, plasma, and cryoprecipitate) are administered each year with an average of 10% of all U.S. hospital admissions requiring a blood transfusion. The sheer volume of transfusions, not just in the U.S., but worldwide, complicates an already difficult task of maintaining a safe and reliable blood supply. Trauma, invasive operative procedures, critical care illnesses, supportive care in cancer, military usage, and inherited blood disorders are just some of the drivers of the use of transfused blood. In war, hemorrhage from trauma is a leading cause of preventable death, accounting for an estimated 30% to 40% of all fatalities. For example, in Operation Iraqi Freedom, due to a high rate of penetrating wound injuries, up to 8% of admissions required massive transfusions, defined as 10 units of blood or more in the first 24 hours. There is a clear need for a stable and safe source of blood products. However, blood shortages are common and exacerbated by the finite lifespan of blood. According to the Red Cross, pRBC units have a refrigerated life span of 42 days. However, many medical experts believe there is an increased risk of infection and transfusion reactions once stored blood ages beyond two weeks. Transfusion-related acute lung injury is the leading cause of non-hemolytic transfusion-related morbidity and mortality, with an incidence of 1 in 2,000-5,000 transfusions and a mortality rate of up to 10%. Fatal cases of transfusion-related acute lung injury have been most closely related to anti-HLA or anti-granulocyte antibodies found in a donor’s transfused blood. Other early transfusion reactions such as transfusion-associated dyspnea, fever and allergic reactions occur in 3% to 5% of all transfusions and can vary in severity depending on the patient’s condition. These are caused by cytokines, bioactive lipids, free hemoglobin, toxins, foreign antigens, and a number of other inflammatory mediators that accumulate in transfused blood products during storage. Leukoreduction can remove the majority of white cells that can produce new cytokines but cannot eliminate those cytokines already in blood, and cannot otherwise remove other causative agents such as free hemoglobin and antibodies. Automated washing of pRBC is effective but is impractical due to the time, cost, and logistics of washing each unit of blood. The HemoDefend platform is a potentially superior alternative to purify blood transfusion products to these methods. The total addressable market for HemoDefend is more than $500 million for pRBCs alone. CytoSorbents has also received grant and contract funding to develop the HemoDefend platform to enable both universal plasma and fresh whole blood transfusions through the reduction of anti-A and anti-B blood group antibodies. Today, plasma and whole blood products must be carefully blood-type matched to prevent potentially fatal hemolytic transfusion reactions in the recipient, caused by the accidental administration of mismatched blood products. The reduction of anti-A and anti-B antibodies could potentially reduce or eliminate this risk, allowing for a broader range of available donors and simplifying the transfusion process. According to the American Red Cross, nearly 10,000 units of plasma are needed daily in the United States, or more than 3.5 million units a year. The World Health Organization (WHO) reports that plasma is transfused at a rate of 2.2 – 18.9 units per 1,000 population (median 7.7 units) globally.  In westernized countries alone, with a population of 1.5 billion, there are approximately 12 million units of plasma administered each year.  The total addressable market for HemoDefend-BGA in transfusion medicine in westernize countries alone is an estimated $400 million to $600 million, and represents a fraction of the global market.

Radiocontrast Removal

ContrastSorb is a development-stage blood purification technology that is being optimized for the removal of IV contrast from blood in order to prevent CIN. Contrast-induced nephropathy is the acute loss of renal function within the first 48 hours following IV contrast administration. IV contrast is widely administered to patients undergoing CT scans, to enhance the images and make it easier to identify anatomic structures. IV contrast is also administered during invasive and interventional cardiovascular procedures in the brain, heart, limbs, and other parts of the body to diagnose and treat atherosclerosis (narrowing of blood vessels due to cholesterol deposits), vascular injury, aneurysms, etc. For example, an estimated 10 million coronary angiograms are performed worldwide each year to diagnose and treat coronary artery disease by placing coronary stents, performing balloon angioplasty, or atherectomy (removal of plaque in arteries). Overall, there are an estimated 80 million doses of IV contrast administered worldwide each year, split between approximately 65 million contrast-enhanced CT scans, 10 million coronary angiograms, and 5 million conventional angiograms. There are an estimated 30 million doses administered each year in the U.S. alone. The reported risk of CIN in patients undergoing contrast enhanced CT scans has been reported to be 2% to 13%. For coronary intervention, the risk has been estimated to be as high as 20% to 30% in high risk patients with pre-existing renal insufficiency, long-term diabetes, hypertension, congestive heart failure, and older age. The use of low osmolar IV contrast, hydration of patients pre-procedure, orally administration of N-acetylcysteine, and other agents to prevent CIN have demonstrated modest benefit in some clinical studies, but in many cases, the results across studies have been equivocal and inconsistent. In high risk patients, the direct removal of IV contrast from the blood with ContrastSorb to prevent CIN represents a potentially more effective alternative. The worldwide market opportunity for ContrastSorb in this high risk group is approximately $1 billion to $2 billion.

Drug Removal

DrugSorb is a development-stage blood purification technology that is capable of removing a wide variety of drugs and chemicals from blood, as a potential treatment for drug overdose, drug toxicity, toxic chemical exposure, use in high-dose regional chemotherapy, and other applications. It has demonstrated extremely high single pass removal efficiency of a number of different drugs that exceeds the extraction capability of hemodialysis or other filtration technologies. It is similar in action to activated charcoal hemoperfusion cartridges that have been available for many years, but has the advantage of having inherent biocompatibility and hemocompatibility without coatings, and can be easily customized for specific agents.

Chronic Kidney Failure

The National Kidney Foundation estimates that more than 20 million Americans have chronic kidney disease. Left untreated, chronic kidney disease can ultimately lead to chronic kidney failure, which requires a kidney transplant or chronic dialysis (generally three times per week) to sustain life. There are approximately 500,000 patients in the U.S. currently receiving chronic dialysis and more than 3.0 million worldwide. Approximately 66% of patients with chronic kidney disease are treated with hemodialysis. One of the problems with standard high-flux dialysis is the limited ability to remove certain mid-molecular weight toxins such as β₂ -microglobulin. Over time, β₂ -microglobulin can accumulate and cause amyloidosis in joints and elsewhere in the musculoskeletal system, leading to pain and disability. Our BetaSorb device has been designed to remove these mid-molecular weight toxins when used in conjunction with standard dialysis. Standard dialysis care typically involves three sessions per week, averaging approximately 150 sessions per year.

Products

The polymer adsorbent technology used in our products can remove middle molecular weight toxins, such as cytokines, from blood and physiologic fluids. All of the potential applications described below (i.e., the adjunctive treatment and/or prevention of sepsis; the adjunctive treatment and/or prevention of other critical care conditions such as acute respiratory distress syndrome, burn injury, trauma and pancreatitis; the prevention of damage to organs donated by brain-dead donors prior to organ harvest; the prevention of post-operative complications of cardiopulmonary bypass surgery; the prevention of kidney injury from IV contrast; and the treatment of chronic kidney failure) share in common high concentrations of toxins in the circulating blood. However, because of the limited studies we have conducted to date, we are subject to substantial risk that our technology will have little or no effect on the treatment of any of these indications. In 2011, we completed our European Sepsis Trial of our CytoSorb device. The study was a randomized, open label, controlled clinical study in 14 sites in Germany of 100 critically ill patients with predominantly septic shock and respiratory failure. The trial successfully demonstrated the ability of CytoSorb to reduce levels of key cytokines from whole blood in treated patients, and that treatment was safe in these critically-ill patients with multiple organ failure. We completed the CytoSorb technical file review with our notified body and CytoSorb subsequently received EU regulatory approval under the CE Mark as an extracorporeal cytokine filter indicated for use in any clinical situation where cytokines are elevated. Given sufficient and timely financial resources, we intend to continue to commercialize in Europe and conduct additional clinical studies of our products. However, there can be no assurance that we will ever obtain regulatory approval for any other device, or that the CytoSorb device will be able to generate significant sales.

We manufacture the CytoSorb device at our facility located in Monmouth Junction, New Jersey. We purchase our raw materials from multiple vendors located primarily in the United States. We believe that our risk of an interruption in the supply of our raw materials is minimal due to the use of multiple vendors and the availability of alternate vendors. We do not have contractual minimum finished goods inventory requirements, however our practice is to maintain a minimum inventory level sufficient to provide a supply of products for the next three months.

The CytoSorb Device (Critical Care)

APPLICATION: Adjunctive Therapy in the Treatment of Sepsis

Sepsis is a potentially life-threatening disease defined as “life-threatening organ dysfunction caused by a dysregulated host response to an infection”. Sepsis is mediated by high levels of inflammatory mediators such as cytokines, which are released into the bloodstream as part of the body’s immune response to severe infection or injury. Excessive concentrations of these mediators cause severe inflammation and damage healthy tissues, which can lead to organ dysfunction and failure. Organ failure is the leading cause of death in the ICU. Sepsis is very expensive to treat and has a high mortality rate.

Potential Benefits: To the extent our adsorbent blood purification technology is able to prevent or reduce the accumulation of cytokines, toxins, or other inflammatory mediators in the circulating blood, we believe our products may be able to prevent or mitigate severe inflammation, organ dysfunction and failure in sepsis patients. Therapeutic goals as an adjunctive therapy include improved clinical outcome, reduced ICU and total hospitalization time, and reduced hospital costs.

Background and Rationale: We believe that the effective treatment of sepsis is the most valuable potential application for our technology. Severe sepsis (sepsis with organ dysfunction) and septic shock (severe sepsis with persistent hypotension despite fluid resuscitation) carries mortality rates of between 20% and 80%. Death can occur within hours or days, depending on many variables, including cause, severity, patient age and co-morbidities. There are approximately 1.6 million new cases of sepsis in the U.S. each year; and based on a recent 2020 The Lancet study, the worldwide incidence is estimated to be 49 million cases annually, accounting for 1 in every 5 deaths globally. The incidence of sepsis is also rising due to:

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In the U.S. alone, treatment of sepsis costs nearly $20 billion annually. According to the CDC, sepsis is a top ten cause of death in the U.S. The incidence of sepsis is believed to be under-reported as the primary infection (i.e., pneumonia, pyelonephritis, etc.) is often cited as the cause of death.

An effective treatment for sepsis has been elusive. Pharmaceutical companies have been trying to develop drug therapies to treat the condition. With the exception of Xigris® from Eli Lilly, no other products have been approved in either the U.S. or Europe for the treatment of sepsis. In 2011, after completing a follow up study required by the FDA, it was subsequently determined that Xigris® did not have a statistically significant mortality benefit, and Eli Lilly withdrew Xigris® from all markets worldwide.

Many medical professionals believe that blood purification for the treatment of sepsis holds tremendous promise. Studies using dialysis and hemofiltration technology have been encouraging, but have only had limited benefit to sepsis patients. The reason for this appears to be rooted in a primary limitation of dialysis technology itself: the inability of standard dialysis to effectively and efficiently remove significant quantities of larger toxins such as cytokines from circulating blood. CytoSorb has demonstrated the ability to safely reduce key cytokines in the blood of septic patients with multiple organ failure in our European Sepsis Trial.

The ability of CytoSorb to interact safely with blood (hemocompatibility) has been demonstrated through ISO 10993 testing, which includes testing for hemocompatibility, biocompatibility, cytotoxicity, genotoxicity, acute sensitivity and complement activation. CytoSorb use has been considered safe and well-tolerated in more than 121,000 human treatments to date.

CytoSorb has been designed to achieve broad-spectrum removal of both pro- and anti-inflammatory cytokines, preventing or reducing the accumulation of high concentrations in the bloodstream. It also removes a wide range of inflammatory mediators such as activated complement, bacterial toxins, myoglobin, free hemoglobin, bilirubin, and many others. This approach is intended to modulate the immune response without causing damage to the immune system. For this reason, researchers have referred to the approach reflected in our technology as “immunomodulatory” therapy.

Projected Timeline: In 2011, the CytoSorb filter received EU regulatory approval under the CE Mark as an extracorporeal cytokine filter to be used in clinical situations where cytokines are elevated. Our manufacturing facility has also achieved ISO 13485:2003 Full Quality Systems certification, an internationally recognized quality standard designed to ensure that medical device manufacturers have the necessary comprehensive management systems in place to safely design, develop, manufacture and distribute medical devices in the EU. We are currently manufacturing our CytoSorb device for commercial sale in the EU. We are currently selling CytoSorb in Germany, Austria, Switzerland, Belgium, Luxembourg, Poland, Norway, Sweden, Denmark, and the Netherlands with a direct sales force. Based on its CE Mark approval, CytoSorb can also be sold throughout all 27 countries of the EU, the United Kingdom and countries outside the EU that will accept European regulatory approval with registration. Overall, we have established either direct sales or distribution (via distributors or strategic partners) of CytoSorb in 67 countries worldwide. Registration of CytoSorb is typically required in each of these countries prior to active commercialization. With CE Mark approval, this can be typically achieved within several months in EU countries. Outside of the EU, the process is more variable and can take months to more than a year due to different requirements for documentation and clinical data. Variability in the timing of registration affects the initiation of active commercialization in these countries, which affects the timing of expected CytoSorb sales. We actively support all of our distributors and strategic partners in the product registration process. Outside of the EU, CytoSorb has distribution in Turkey, India, Sri Lanka, Australia, New Zealand, Russia, Serbia, Norway, Vietnam, Malaysia, Hong Kong, Chile, Panama, Costa Rica, Colombia, Brazil, Mexico, Argentina, Perú, Guatemala, Ecuador, Bolivia, the Dominican Republic, El Salvador, Iceland, Israel, UAE, Iran, Saudi Arabia and other Middle Eastern countries, and South Korea. We cannot generally predict the timing of these registrations, and there can be no guarantee that we will ultimately achieve registration in countries where we have established distribution. We also cannot guarantee that we will generate meaningful sales in the countries where we have established registration, due to other factors such as market adoption and reimbursement. We are currently actively evaluating other potential distributor and strategic partner networks in other major countries that accept CE Mark approval. With sufficient resources and continued positive clinical data, assuming availability of adequate and timely funding, and continued positive results from our clinical studies, we intend to continue our commercialization plans for our product worldwide as well as to pursue U.S. clinical trials to seek FDA regulatory approval for CytoSorb in the U.S. by 2022.

APPLICATION: Adjunctive Therapy in Other Critical Care Applications

Potential Benefits: Cytokine-mediated organ damage and immune suppression can increase the risk of death and infection in patients with commonly seen critical care illnesses such as acute respiratory distress syndrome, severe burn injury, trauma and pancreatitis. By reducing both pro- and anti-inflammatory cytokines, CytoSorb has the potential to reduce the systemic inflammatory response and:

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Background and Rationale: A shared feature of many life-threatening conditions seen in the ICU is severe inflammation (either sepsis or systemic inflammatory response syndrome) due to an over-reactive immune system and high levels of cytokines that can cause or contribute to organ dysfunction, organ failure and patient death. Examples of such conditions include severe burn injury, trauma, acute respiratory distress syndrome and severe acute pancreatitis. MODS and MOF are common causes of death in these illnesses and mortality is directly correlated with the number of organs involved. There are currently few active therapies to prevent or treat MODS or MOF. If CytoSorb can reduce direct or indirect cytokine injury of organs, it may mitigate MODS or MOF, improve overall patient outcome and reduce costs of treatment. In addition, secondary infection, such as ventilator-acquired pneumonia, urinary tract infections, or catheter-related line infections, are another major cause of morbidity and mortality in all patients treated in the ICU that increase with longer ICU stay. Prolonged illness, malnutrition, age, multiple interventional procedures, and exposure to antibiotic resistant pathogens are just some of the many risk factors for functional immune suppression and infection. In sepsis and SIRS, the overexpression of pro-inflammatory cytokines can also cause a depletion of immune effector cells through apoptosis and other means, and anti-inflammatory cytokines can cause profound immune suppression, both major risk factors for infection.

Projected Timeline: The EU CE Mark approval for CytoSorb as an extracorporeal cytokine filter and its broad approved indication to be used in any clinical situation where cytokines are elevated, allows it to be used “on label” in critical care applications such as acute respiratory distress syndrome, severe burn injury, trauma, liver failure, and pancreatitis, and in other conditions where cytokine storm, sepsis and/or SIRS plays a prominent role in disease pathology. In addition, the expanded indications for use label now includes reduction of bilirubin and reduction of myoglobin, further strengthens the on-label use of the technology for the treatment of liver disease, and severe trauma, respectively. Our goal is to stimulate investigator-initiated clinical studies with our device for these applications. Currently, we have more than 50 investigator initiated or company-sponsored studies being planned, enrolling, or completed. We have been moving forward in parallel with a program to further understand the potential benefit of CytoSorb hemoperfusion in these conditions through additional investigational animal studies and potential human pilot studies in the U.S. funded either directly by us, through grants, or through third-parties. Commencement of these and other formal studies is contingent upon adequate funding and, in the case of U.S. human studies, FDA IDE approval of the respective human trial protocols.

APPLICATION: Prevention and treatment of post-operative complications of cardiopulmonary bypass surgery

Potential Benefits: If CytoSorb is able to prevent or reduce high levels of cytokines, free hemoglobin, and other inflammatory mediators from accumulating in the bloodstream during and following cardiac surgery, we anticipate that post-operative complications of cardiopulmonary bypass surgery may be able to be prevented or mitigated. In addition, CytoSorb can remove certain anti-thrombotics such as ticagrelor and rivaroxaban during cardiopulmonary bypass in patients requiring urgent or emergent surgery. The primary goals for this application are to:

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Background and Rationale: Due to the highly invasive nature of cardiopulmonary bypass surgery, high levels of cytokines are produced by the body, triggering severe inflammation. In addition, hemolysis of red blood cells frequently occurs, resulting in the release of free hemoglobin into the bloodstream. These inflammatory mediators can lead to post-operative complications. CytoSorb is the only cytokine reduction technology approved in the EU that can be used intraoperatively in a bypass circuit in a heart-lung machine during cardiopulmonary bypass without the need for another machine. If our products are able to prevent or reduce the accumulation of cytokines or free hemoglobin in a patient’s blood stream, we may be able to prevent or mitigate post-operative complications caused by an excessive or protracted inflammatory response to the surgery. Intra-operative use of CytoSorb on high-risk cardiac surgery patients, where the risk of post-operative complications is the highest, is expected to be the main initial target market. The use of CytoSorb in the post-operative period to treat post-operative SIRS is another application of the technology.

CytoSorb was recently approved to remove the anti-platelet agent, ticagrelor, during cardiac surgery involving cardiopulmonary bypass via label expansion of its CE Mark. Ticagrelor (Brilinta®, Astra Zeneca) is a widely-used anti-platelet agent used to decrease cardiovascular risk and risk of stroke in patients with a known history of heart disease or heart attack. It is also widely used during dual-anti platelet therapy in patients with acute coronary syndrome undergoing percutaneous coronary intervention and stent placement. However, when patients on ticagrelor require emergent or urgent cardiac surgery, up to 65% of patients will have severe or massive peri-operative bleeding complications that contributes to a high risk of death and major costs to the healthcare system. CytoSorb has already demonstrated the ability to remove ticagrelor rapidly and efficiently from human blood in vitro. Meanwhile, a retrospective case series reported by clinicians at Asklepios Klinik St. Georg in Hamburg, Germany on the investigational use of CytoSorb to reverse the effects of ticagrelor during emergency cardiac surgery demonstrated a greatly reduced risk of bleeding complications and the need for repeat surgery to explore the source of bleeding, with extrapolations showing projected cost savings of £3,982, or approximately $5,000 USD, per patient in a U.K. based study.

Projected Timeline: Cardiac surgeons, cardiac perfusionists, and cardiothoracic ICU intensivists in Germany, Austria, and other countries have now used CytoSorb intra-operatively and post-operatively in more than 40,000 treatments in cardiac surgery patients. This application is also the focus of number of planned and enrolling company-sponsored and investigator-initiated studies in the United States and Europe.

CytoSorb is the subject of a pivotal, 400-patient randomized controlled trial in the United States called the REFRESH 2-AKI trial.  Two CytoSorb cartridges are being used intraoperatively to reduce activated complement, free hemoglobin, and other inflammatory toxins that are generated during valve replacement surgery as well as aortic reconstruction with hypothermic cardiac

arrest, with the goal of reducing the risk of acute kidney injury.  Acute kidney injury following cardiac surgery is associated with an increased risk of death in the first 5 years after surgery.  The trial has enrolled more than 150 patients to date. The Company has been undertaking multiple activities in preparation to resume the study, which is estimated to take place in the first half of 2021. If the study is successful, we plan to submit a PMA application to the FDA in 2023 for U.S. regulatory approval.

The 250-patient randomized controlled REMOVE infective endocarditis trial was completed in January 2020. The COVID-19 pandemic has caused delays in data monitoring and data analysis. Topline data are expected to be reported in the first half of 2021 with full data presentation at a major international conference also in 2021.

We are currently conducting the 30-patient, single arm trial in the United Kingdom called the TISORB trial, obtaining more country-specific data to support the use of CytoSorb to remove ticagrelor in emergent or urgent cardiac surgery to reduce perioperatively bleeding complications. Due to the COVID-19 pandemic, the execution of the TISORB trial has been greatly impacted and ongoing national restrictions in the UK on the conduct of non-COVID clinical studies add further uncertainty to TISORB.

For further detailed information regarding our clinical trial strategy, see the section entitled "Clinical Studies" of this Item 1 of this Report.

APPLICATION : Maintaining or improving the quality of solid organs harvested from donors  for organ transplant

Potential Benefits:

ECOS-300CY:  Solid organ transplant is very costly, and the success of the transplant is heavily dependent upon the health and quality of the harvested organs.  ECOS-300CY was designed to maintain or improve the quality of these organs prior to transplant in an ex vivo perfusion system, and may have the benefit of improving outcomes in organ transplant and also increasing the availability of organs by rehabilitating organs that would have otherwise been discarded.  

CytoSorb :  By preventing or reducing high-levels of cytokines from accumulating in the bloodstream of brain-dead organ donors, we believe CytoSorb may be able to mitigate organ dysfunction and failure, which results from severe inflammation following brain-death. The primary goals for this application are:

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Background and Rationale: When brain death occurs, the body responds by generating large quantities of inflammatory cytokines. This process is similar to the systemic inflammatory response syndrome and sepsis. A high percentage of donated organs are never transplanted due to this response, which damages healthy organs and prevents transplant. In addition, inflammation in the donor may damage organs that are harvested and reduce the probability of graft survival following transplant. CytoSorb treatment in a porcine animal model of brain death demonstrated a reduction in cytokines as well as a preservation of cardiac function compared to untreated controls.

There is a shortage of donated organs worldwide, with approximately 100,000 people currently on the waiting list for organ transplants in the U.S. alone. Because there are an insufficient number of organs donated to satisfy demand, it is vital to maximize the number of viable organs donated, and optimize the probability of organ survival following transplant.

Projected Timeline: ECOS-300CY:  The ECOS-300CY was approved in the E.U. for the removal of inflammatory mediators during ex vivo organ perfusion under CE Mark designation in 2020.  CytoSorbents announced a partnership with Aferetica srl to provide the ECOS-300CY cartridge under the exclusive trade name, PerSorb™, that is compatible with Aferetica’s PerLife™ ex vivo organ perfusion system, recently approved in the E.U. as well.

CytoSorb for brain dead organ donors: Studies have been conducted under a $1 million grant from the Health Resources and Services Administration (“HRSA”), an agency of the U.S. Department of Health and Human Services. Researchers at the University of Pittsburgh Medical Center and the University of Texas, Houston Medical Center have completed the observational and dosing phases of the project. The results were published in Critical Care Medicine, January 2008. The next phase of this study, the treatment phase, would involve viable donors treated with the CytoSorb device. In this phase of the project, viable donors will be treated and the survival and function of organs in transplant recipients will be tracked and measured. The treatment phase would be contingent upon further discussion with the FDA and HRSA regarding study design, as well as obtaining additional funding.

The VetResQ Device (Animal Health Critical Care)

APPLICATION: Adjunctive Therapy in the Treatment of Sepsis, Pancreatitis and Other Critical Illnesses in Animals

Potential Benefits and Rationale: In January 2017, the VetResQ device became commercially available for the United States veterinary market. VetResQ is a broad spectrum blood purification adsorber based upon similar underlying technology to CytoSorb and has been configured in 3 sizes (50, 150 and 300mL sized cartridges) to accommodate treatment of small, medium, and large animals such as cats, dogs, and high-value animals such as foals and horses. VetResQ is compatible with standard hemodialysis, continuous renal replacement therapy (“CRRT”), and hemoperfusion blood pumps. Like CytoSorb, VetResQ is designed to help treat (via hemoadsorption of cytokines, bacterial toxins and other inflammatory mediators) deadly inflammation and toxic injury in animals with critical illnesses such as septic shock, toxic shock syndrome, toxin-mediated diseases, pancreatitis, trauma, liver failure, drug intoxication, and lung injury. Critical illness in animals is similar to that in humans. Based upon cumulative studies, VetResQ is capable of reducing a broad range of excessive inflammatory mediators and toxins that could otherwise cause direct tissue injury or serious systemic inflammation that can rapidly lead to instability, organ failure, and death. VetResQ is available in the U.S. only for veterinary animal usage and is not for human use.

Projected Timeline: VetResQ is available for commercial purchase for animal health applications in the United States. The FDA was notified of the launch in 2016 and we have provided the FDA with the related instructions for use and a marketing brochure.

The CytoSorb-XL Device (Critical Care)

APPLICATION: Adjunctive Therapy in the Treatment of Sepsis and other critical illnesses

Potential Benefits and Rationale: The CytoSorb-XL device is a next-generation porous polymer under advanced development and targets the same markets as CytoSorb. Through novel patent-pending chemistry, CytoSorb-XL adds the ability to reduce Gram negative bacterial endotoxin (lipopolysaccharide) to broad spectrum cytokine, exotoxin, and other inflammatory mediator removal. CytoSorb-XL removed comparable amounts of endotoxin when compared in vitro against the leading standalone endotoxin filter, Toraymyxin (Toray, Japan). This could potentially increase the effectiveness of CytoSorb in sepsis and septic shock caused by Gram negative bacteria.

Projected Timeline: CytoSorb-XL is in advanced pre-clinical development as a potential next generation polymer to CytoSorb. It is expected to follow a similar path to E.U. approval as CytoSorb, expected within 4-5 years.

The HemoDefend Blood Purification Technology Platform (Acute and Critical Care)

APPLICATION: Reduction of contaminants in the blood supply that can cause transfusion reactions or disease when administering blood and blood products to patients.

Potential Benefits: The HemoDefend RBC blood purification technology platform is designed to reduce contaminants in the blood supply that can cause transfusion reactions or disease. It is a development stage technology that is not yet approved in any markets, but is comprised of our highly advanced, biocompatible, polymer bead technology. If this technology is successfully developed and then incorporated into a regulatory approved product, it could have a number of important benefits, including:

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Background and Rationale: The HemoDefend technology platform was built upon our successes in designing and manufacturing porous polymer beads that can remove cytokines. We have expanded the technology to be able to remove substances as small as drugs and bioactive lipids, to proteins as large as antibodies from blood that can cause transfusion reactions and disease. Although the frequency of these reactions are relatively low (approximately 3% to 5%), the sheer number of blood transfusions is so large, that the number of transfusion reactions, ranging from mild to life-threatening, is substantial, ranging from several hundreds of thousands to millions of reactions each year. In critically-ill patients, the risk of transfusion reactions is significantly higher than in the general population and can increase the risk of death because their underlying illnesses have depleted protective mechanisms and have primed their bodies to respond more vigorously to transfusion-associated insults.

A number of retrospective studies have also suggested that administration of older blood leads to increased adverse events and even increased mortality, compared with blood recently harvested. Biological studies have demonstrated the accumulation of erythrocyte storage lesions that compromise the function and structural integrity of packed red blood cells and have also demonstrated the accumulation of substances during blood storage that can lead to transfusion reactions. Three adult, prospective, randomized, controlled studies, RECESS (completed), ABLE (completed), and TRANSFUSE (completed) were designed to evaluate the morbidity and mortality in cardiovascular surgery patients (RECESS) and critically ill patients (ABLE and TRANSFUSE), treated with either “new or fresh” or “older” blood. The RECESS Trial was a randomized, controlled trial in a total of 1,098 evaluable patients undergoing complex cardiac surgery given fresh blood (≤10 days old) as compared to older blood (≥21 days old). The overall conclusion was that the age of blood had no statistically significant impact on the progression to organ dysfunction (as measured by the multiple organ dysfunction syndrome score) or death. However, a statistically significant increase in hepatobiliary-related serious adverse events (5% fresh vs 9% older, p=0.02) was related to hyperbilirubinemia, possibly caused by hemolysis and release of free hemoglobin in old blood. The serious adverse event rate in both new and old blood groups was approximately 50%, which is considered high for this group of patients. There are many details and subgroup analyses that were not discussed, particularly an analysis of those patients receiving more units of blood than average, as the risk of adverse events is cumulative. The ABLE Trial was a randomized, controlled trial in 2,430 critically-ill patients receiving either fresh (≤ 7 days) or standard issue blood. There was no difference in 90-day mortality between the two groups. The TRANSFUSE Trial was a large scale RCT in Australia evaluating the impact of age of leukodepleted pRBCs (short-term storage: 11.8 days mean, N=2,457, mean 4.1 units transfused; long-term storage: 22.4 days mean, N=2,462, m) on 90-day mortality in critically-ill patients. There was no significant difference in 90-day mortality (24.8% mortality short-term storage vs 24.1% long-term storage) though there were statistically more febrile non-hemolytic transfusion reactions (n=123; 5% short-term storage vs n=88; 3.6% long-term storage). Also, patients who had short-term storage blood with APACHE III > 21.5% (median risk), demonstrated higher mortality (37.7% vs 34% long-term storage , p=0.05). The outcomes of these trials do not alter the current pressing need for better solutions to purify transfused blood products in order to reduce transfusion-related adverse events and improve clinical outcome, but suggest that age of blood is not the critical factor.

Projected Timeline: The HemoDefend platform is a development stage product based on our advanced polymer technology. The base polymer is ISO 10993 biocompatible, meeting standards for biocompatibility, hemocompatibility, cytotoxicity, genotoxicity, acute sensitivity and complement activation. HemoDefend has demonstrated the in vitro removal of many different substances from blood such as antibodies, free hemoglobin, cytokines and bioactive lipids. We have also prototyped a number of different implementations of the HemoDefend technology, including the “Beads in a Bag” blood treatment blood storage bag, and standard in-line blood filters. The technology has been supported by the NHLBI, a division of the National Institute of Health, under a Phase I SBIR, an awarded $1.5M Phase II SBIR contract (funded by NHLBI and U.S. Special Operations Command (USSOCOM)), and more recently under a $3M multi-year Phase IIB bridge contract funded by NHLBI. As a result of delays caused by the COVID-19 pandemic, we expect to  complete bench testing required for U.S. approval in 2021, and advance the in-line filter to human testing in the first half of 2022.

APPLICATION: Removal of anti-A and anti-B blood group antibodies from fresh whole blood and plasma

Potential Benefits: The HemoDefend-BGA blood purification technology platform is designed to reduce anti-A and anti-B antibodies in plasma and whole blood. The goal is to either enable the production of universal plasma, or enable fresh warm whole blood transfusions. If this technology is successfully developed and then incorporated into a regulatory approved product, it could have a number of important benefits, including:

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Background and Rationale: Plasma is the straw-colored, cell-free portion of whole blood. It contains a wide range of important substances such as electrolytes, hormones, proteins such as albumin, clotting factors, and antibodies. The transfusion of plasma, or plasma-derived products, is used widely to help save the lives of trauma and bleeding victims, septic and other critically-ill patients, and patients with life-threatening blood coagulation and autoimmune disorders. In 2008, more than 4.5 million units of plasma were transfused in the United States alone. With the exception of the relatively uncommon Type AB, or “universal” plasma, most plasma contains blood-type specific antibodies and must be cross-matched with the intended recipient ahead of time or risk serious transfusion reactions. By reducing these blood-type specific antibodies, the goal is to create a cost-effective, reliable, and expanded source of “universal” plasma that can be administered immediately, without blood-typing, in a wide range of emergent and non-emergent situations.

Projected Timeline: The HemoDefend-BGA platform is a development stage product based on our advanced blood purification technology. Prototype filtration devices have been evaluated by a government agency, resulting in excellent depletion of both anti-A and anti-B antibodies. Work is continuing to advance these prototypes to commercial-ready devices. This work has received cumulatively approximately $9.6 million in Phase I and II Small Business Technology Transfer (STTR) funding by the U.S. Army Medical Research Acquisition Activity (USAMRAA), U.S. Army Medical Research and Materiel Command (USAMRMC), Defense Health Agency, and CDMRP.

K⁺ontrol (Acute and Critical Care)

APPLICATION: Treatment of severe hyperkalemia that can occur in patients with life-threatening conditions such as trauma, burn injury, kidney failure, tumor lysis syndrome, and those with no access to dialysis

Potential Benefits: K⁺ontrol was developed to rapidly treat severe hyperkalemia by reducing potassium in the blood. Although hemodialysis remains the definitive treatment for severe hyperkalemia, K⁺ontrol represents a simpler, and more flexible alternative. The primary goals for this application are to:

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Background and Rationale: Potassium is an important electrolyte in the body that is present inside cells at high concentrations, with the amount in blood tightly regulated. Following injury to cells by, for example, trauma, burn injury, ischemia, or cytotoxic drugs, such cells will continuously leak high levels of potassium into the blood, resulting in hyperkalemia. The kidneys normally excrete excess potassium from the blood, but when compromised, as in critically-ill patients suffering from kidney failure or in chronic dialysis patients with end-stage kidney disease, the levels of blood potassium can rapidly rise unabated. When the potassium level in the blood exceeds a concentration of 6.0 mmol/L (normal 3.6 - 5.2 mmol/L), the risk of heart arrhythmias and sudden cardiac death increases significantly. Orally administered potassium sorbents such as Kayexalate® (Sanofi-Aventis) and Veltassa® (Relypsa) are only recommended for the non-emergent lowering of mild to moderate hyperkalemia, while the use of insulin and glucose to drive potassium into cells in severe hyperkalemia is only a temporary strategy. Dialysis has been the definitive treatment of severe hyperkalemia, but requires a large dialysis machine, electricity, bags of dialysate, a skilled technician, and prolonged treatment times that are not practical in certain situations such as in remote locations, during prolonged field care in combat, in areas that lack modern medical facilities, or in situations where the numbers of victims outstrip available dialysis equipment and supplies. Because of this, there is a major need for simple, but effective ways to rapidly treat severe hyperkalemia.

Hyperkalemia is a common problem and has been reported to occur in 1.7-5.2% of hospitalized patients in a number of studies. It has also been recognized as a serious complication of combat injury since World War II, when hyperkalemia and acute kidney injury was associated with a mortality rate of 90%, and was a leading cause of post-traumatic death in the Korean War, until the advent of dialysis therapy. In the wars in Iraq and Afghanistan, an estimated 5.8% of all combat casualties developed hyperkalemia within 48 hours of injury. Even in non-crush traumatic injury, severe hyperkalemia (>6 mmol/L) occurred in approximately 20% of patients. Hyperkalemia was also observed in approximately 16% of victims of natural disasters such as earthquakes, where crush injury is common.

Projected Timeline: K⁺ontrol has demonstrated the ability to reduce potassium in several animal models of hyperkalemia and is currently being optimized with funding support from the U.S. Army and Defense Health Agency under under a Phase I and Phase II SBIR contract for a total of $1.15 million and a $3 million Rapid Innovation Fund (RIF) award from the U.S. Air Force Materiel Command. We plan to move forward with clinical development of this product, pending the successful outcome of these animal studies.

ContrastSorb (Radiology and Interventional Radiology)

APPLICATION: Removal of IV contrast in blood administered during CT imaging, an angiogram, or during a vascular interventional radiology procedure, in order to reduce the risk of contrast-induced nephropathy.

Potential Benefits: IV contrast can lead to CIN, in susceptible patients. Risk factors include chronic kidney disease and renal insufficiency caused by age, diabetes, congestive heart failure, long-standing hypertension, and others co-morbid illnesses. CIN can lead to increased risk of patient morbidity and mortality. Removal of IV contrast by ContrastSorb may:

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Background and Rationale: Contrast-induced nephropathy is the acute loss of renal function within the first 48 hours following IV contrast administration. IV contrast is widely administered to patients undergoing CT scans, to enhance the images and make it easier to identify anatomic structures. IV contrast is also administered during vascular interventional radiology procedures and angiography of blood vessels in the brain, heart, limbs, and other parts of the body to diagnose and treat atherosclerosis (narrowing of blood vessels due to cholesterol deposits), vascular injury, aneurysms, etc. The reported risk of CIN undergoing contrast enhanced CT scans has been reported to be 2% to 13%. For coronary intervention, the risk has been estimated to be as high as 20% to 30% in high risk patients with pre-existing renal insufficiency, and other risk factors. The use of low osmolar IV contrast, hydration of patients pre-procedure, orally administration of N-acetylcysteine, and other agents to prevent CIN have demonstrated modest benefit in some clinical studies, but in many cases, the results across studies have been equivocal and inconsistent. In high risk patients, the direct removal of IV contrast from the blood with ContrastSorb to prevent CIN represents a potentially more effective alternative.

Projected Timeline: ContrastSorb has demonstrated the high efficiency single pass removal of IV contrast and is in the process of optimization. The underlying polymer is made of the same ISO 10993 biocompatible polymer as CytoSorb, but with different structural characteristics. The ContrastSorb device is a hemoperfusion device similar in construction to CytoSorb and BetaSorb. Assuming successful optimization of the ContrastSorb polymer, safety and efficacy of IV contrast removal will need to be established in human clinical studies. We seek to out-license this technology to a potential strategic partner.

The BetaSorb Device (Chronic Care)

APPLICATION: Prevention and treatment of health complications caused by the accumulation of metabolic toxins in patients with chronic renal failure

Potential Benefits: If BetaSorb is able to prevent or reduce high levels of metabolic waste products from accumulating in the blood and tissues of long-term dialysis patients, we anticipate that certain health complications characteristic to these patients can be prevented or mitigated. The primary goals for this application are to:

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Background and Rationale: Our BetaSorb device is intended for use on patients suffering from chronic kidney failure who rely on long-term dialysis therapy to sustain life. Due to the widely recognized inability of dialysis to remove larger proteins from blood, metabolic waste products, such as beta₂-microglobulin, accumulate to toxic levels and are deposited in the joints and tissues of patients. Specific toxins known to accumulate in these patients have been linked to their severe health complications, increased healthcare costs, and reduced quality of life.

Researchers also believe that the accumulation of toxins may play an important role in the significantly reduced life expectancy experienced by dialysis patients. In the U.S., the average life expectancy of a dialysis patient is five years. Industry research has identified links between many of these toxins and poor patient outcomes. If our BetaSorb device is able to routinely remove these toxins during dialysis and prevent or reduce their accumulation, we expect our BetaSorb device to maintain or improve patient health in the long-term. We believe that by reducing the incidence of health complications, the annual cost of patient care will be reduced and life expectancy increased.

The poor health experienced by beta₂-microglobulin patients is illustrated by the fact that in the U.S. alone, more than $33 billion is spent annually caring for this patient population according to the United States Renal Data System, at a cost of approximately $88,000 per patient annually.

Projected Timeline: We have collected a significant amount of empirical data for the development of this application. As the developer of this technology, we had to undertake extensive research, as no comparable technology was available for reference purposes. We have completed four human pilot studies, including a clinical pilot of six patients in California for up to 24 weeks in which our BetaSorb device removed the targeted toxin, beta₂-microglobulin, as expected. In total, we have sponsored clinical studies utilizing our BetaSorb device on 20 patients involving approximately 345 total treatments. Each study was conducted by a clinic or hospital personnel with us providing technical assistance as requested.

As discussed above, due to practical and economic considerations, we are focusing our efforts and resources on commercializing our CytoSorb device for critical care and cardiac surgery applications. Following commercial introduction of the CytoSorb device, and with sufficient additional resources, we may continue development of the BetaSorb resin and may conduct additional clinical studies using the BetaSorb device in the treatment of end stage renal disease patients.

Commercial and Research Partners

Biocon Biologics Limited

In September 2013, we entered into a distribution agreement with Biocon Biologics Limited, (“Biocon”), India’s largest biopharmaceuticals company, under which Biocon was granted exclusive commercialization rights to the CytoSorb therapy in India and select emerging markets, initially focused on sepsis. Biocon committed to annual minimum purchases to maintain exclusivity. In October 2014, the Biocon partnership was expanded to include all critical care applications and cardiac surgery. In addition, Biocon committed to higher annual minimum purchases of CytoSorb to maintain distribution exclusivity and committed to conduct and publish results from multiple investigator initiated studies and patient case studies. Under the terms of the expanded partnership, the term of the distribution agreement was extended to December 2022. On May 27, 2020, Biocon announced that CytoSorb has received approval from the Drugs Controller General of India to treat COVID-19 patients in certain instances.

Fresenius Medical Care AG

In December 2014, we entered into a multi-country strategic partnership with Fresenius Medical Care AG & Co KGaA (together with its affiliates, as appropriate, “Fresenius”) to commercialize the CytoSorb therapy. Under the agreement reflecting the terms of the partnership, Fresenius was granted exclusive rights to distribute CytoSorb for critical care applications in France, Poland, Sweden, Denmark, Norway, and Finland. The partnership allows Fresenius to offer an innovative and easy way to use blood purification therapy for removing cytokines in patients that are treated in the ICU. To promote the success of CytoSorb, Fresenius agreed to also engage in the ongoing clinical development of the product. This includes the support and publication of a number of small case series and patient case reports as well as the potential for future larger, clinical collaborations. In May 2016, Fresenius launched the product in the six countries for which it was granted exclusive distribution rights. In January 2017, the Fresenius partnership was expanded pursuant to a revised three-year agreement. The terms of the revised agreement extended Fresenius’ exclusive distributorship of CytoSorb for all critical care applications in their existing territories through 2019 and include guaranteed minimum quarterly orders and payments, evaluable every one and a half years.

At the same time, we entered into a comprehensive co-marketing agreement with Fresenius. Under the terms of the co-marketing agreement, CytoSorbents and Fresenius agreed to jointly market CytoSorb to Fresenius’ critical care customer base in all countries where CytoSorb is being actively commercialized. CytoSorb continues to be sold by our direct sales force or through our international network of distributors and partners, while Fresenius sells all ancillary products to their customers. Fresenius further provides written endorsements of CytoSorb for use with their multiFiltrate and multiFiltratePRO acute care dialysis machines that can be used by us and our distribution partners to promote CytoSorb worldwide. Training and preparation for this co-marketing program began in five initial countries in 2017 and is continuing, with implementation of the co-marketing program in additional countries planned for the future.

In December 2018, the Fresenius agreement signed in December 2014 was amended, to grant Fresenius exclusive distribution rights for the Czech Republic and Finland and all critical care medicine and ICU applications on dialysis or ECMO machines for France. In addition, in 2019, Poland, Sweden, Denmark, and Norway were transitioned into the co-marketing program. Finally, the guaranteed minimum quarterly purchases and payments requirements were removed for 2019.

In addition, also in December 2018, we entered into agreements to expand the partnership with Fresenius into South Korea and Mexico. Under the terms of these agreements, Fresenius has exclusive rights to distribute CytoSorb for acute care and other hospital applications in South Korea and Mexico. Commercial sales of CytoSorb are underway in both countries after securing market registration clearance from the South Korean and Mexican health authorities in 2021 and 2020, respectively. These multi-year agreements include an initial stocking order and are subject to annual minimum purchases of CytoSorb to maintain exclusivity.  These agreements, which commenced on January 1, 2019, have an initial term of three years and will automatically renew for an additional two years unless terminated by either party.

Aferetica s.r.l.

In 2015, we entered into a distribution agreement with Aferetica s.r.l., a distributor based in Bologna, Italy that specializes in the sale of certain medical products and devices, specifically extracorporeal therapies, in the critical care, cardiac surgery and liver disease markets (“Aferetica”). Under the terms of the agreement, we granted Aferetica the exclusive right to distribute CytoSorb in Italy, San Marino and the Vatican for application in CRRT (Continuous Renal Replacement Therapies), dialysis and hemoperfusion machine run treatments, as described in the agreement. In connection with the grant of distribution rights, Aferetica agreed to certain minimum purchase and inventory requirements. Aferetica further agreed not to market or sell products competitive with CytoSorb in Italy, San Marino and the Vatican. The agreement was renewed through 2023.

In addition, in September 2017, we announced a partnership with Aferetica to provide dedicated, branded sorbent cartridges for use with Aferetica’s proprietary PerLife™ ex-vivo organ perfusion system, with the goal of rehabilitating or preserving the function solid organs destined for eventual transplant.  In July 2018, Aferetica and CytoSorbents debuted the PerLife™ system for organ preservation at the 27^th International Congress of the Transplantation Society.  In the fourth quarter of 2020, Aferetica announced CE Mark registration of the PerLife system. At the same time, CytoSorbents announced CE Mark approval of the ECOS-300CY cartridge for the removal of inflammatory mediators during ex vivo perfusion, which has been designated, PerSorb™, a trade name exclusive to the PerLife system.

Terumo Cardiovascular Group

In September 2016, we entered into a multi-country strategic partnership with Terumo Cardiovascular Group (“Terumo”) to commercialize CytoSorb for cardiac surgery applications. Under the terms of the agreement, Terumo has exclusive rights to distribute the CytoSorb CPB procedure pack for intra-operative use during cardiac surgery in France, Sweden, Denmark, N

In August 2020, we announced an initial collaboration with Terumo to exclusively sell CytoSorb to hospitals in ten U.S. COVID-19 hotspot states including Alabama, Arizona, California, Georgia, Louisiana, Mississippi, New Mexico, Oregon, Texas, and Washington. CytoSorb previously received Emergency Use Authorization (EUA) by the U.S. Food and Drug Administration (FDA) for use in adult, critically-ill COVID-19 patients with imminent or confirmed respiratory failure. Under the initial terms of the agreement, Terumo will ensure hospitals in the defined hot-spot states have access to the CytoSorb therapy for use in critically-ill COVID-19 patients that meet strict criteria under CytoSorbents' EUA. CytoSorbents will provide all primary clinical and technical training, customer support, and product fulfillment.

B. Braun Avitum AG

In March 2021, we announced announce the launch of a global co-marketing agreement with B. Braun Avitum AG to promote the use of CytoSorb® with B. Braun’s latest OMNI® continuous blood purification platform and OMNIset® Plus bloodline set (set version 3.0 or higher). The CytoSorb® adsorber is used in critical care for the extracorporeal removal of cytokines and inflammatory mediators from the bloodstream and can be operated with the B. Braun OMNI® acute dialysis machine. B. Braun will supply the market with the OMNI® and OMNIset® Plus while CytoSorbents and its network of direct sales, strategic partners, and distributors will continue to supply the market with CytoSorb®. CytoSorb® is CE Mark certified and distributed in 67 countries worldwide. This global co-marketing agreement applies to the countries where both products are registered (US market is specifically excluded). Financial terms of this agreement have not been disclosed.

B. Braun is one of the world's leading manufacturers of medical devices and pharmaceutical products and services. With 64,000 employees in 64 countries, B. Braun develops high quality product systems and services for users around the world. In 2019, the Group generated sales of €7.5 billion.

University of Pittsburgh Medical Center

Two government research grants by the National Institutes of Health (“NIH”) and the U.S. Department of Health and Human Services were awarded to investigators at the University of Pittsburgh to explore the use of adsorbent polymers in the treatment of sepsis and organ transplant preservation. Under “Sub Award Agreements” with the University of Pittsburgh, we developed polymers for use in these studies.

A grant of $1 million was awarded to the University of Pittsburgh Medical Center in 2003. The project sought to improve the quantity and viability of organs donated for transplant by using CytoSorb to detoxify the donor’s blood. The observational and dosing phases of the study, involving 30 viable donors and eight non-viable donors, respectively, have been completed. The next phase of this

study, the treatment phase, was planned to involve viable donors. However, we are not currently focusing our efforts on the commercialization of CytoSorb for application in organ donors.

In September 2005, the University of Pittsburgh Medical Center was awarded a grant of approximately $7 million from NIH entitled “Systems Engineering of a Pheresis Intervention for Sepsis (SEPsIS)” to study the use of adsorbent polymer technology in the treatment of severe sepsis. The study, which lasted for a total of five years, commenced in September 2005. Under a SubAward Agreement, we worked with researchers at the University of Pittsburgh - Critical Care Medicine Department. We believe that the only polymers used in this study were polymers we have developed specifically for use in the study, which are similar to the polymers used in our devices. Under the SubAward Agreement, for our efforts in support of the grant during 2006 through 2010, we received approximately $402,000.

Dr. John Kellum, a member of the UPMC faculty since 1994, was the Chairman of our Sepsis Advisory Board.  On March 1, 2021, Dr. Kellum became the Chief Medical Officer for Toronto, Canada-based Spectral Medical, Inc.  Concurrent with his appointment at Spectral, Dr. Kellum formally resigned from our Advisory Board.

Advisory Boards

From time to time our management meets with scientific advisors who sit on our Scientific Advisory Boards (“SAB”). We have 3 SABs that include a Basic Science and Technology SAB, a Critical Care Medicine SAB, and a Cardiac Surgery SAB.  Each SAB comprises of approximately five scientists with deep expertise in their respective fields.  We compensate all our SAB members according to fair market value and reimburse them for their travel expenses when attending meetings in person.

Royalty Agreement

In August 2003, in order to induce Guillermina Vega Montiel, a principal member of RenalTech International, LLC at the time, to make a $4 million investment in RenalTech International, LLC, Ms. Montiel was granted a perpetual royalty (the “Royalty”) equal to three percent of all gross revenues received by us from sales of CytoSorb in the applications of sepsis, cardiopulmonary bypass surgery, organ donor, chemotherapy and inflammation control. In addition, for her investment, Ms. Montiel received 1,230,770 membership units of RenalTech International, LLC. Such membership units ultimately were converted into and became 7,420 shares of our common stock following our June 30, 2006 merger. In February 2017, all rights, title and interest to the Royalty was assigned to The Robert Shipley Living Trust. For the year ended December 31, 2020 we have recorded royalty costs of approximately $1,172,000.

License Agreement

In 2003, Purolite filed a lawsuit against us asserting, among other things, co-ownership and co-inventorship of certain of our patents. On September 1, 2006, the United States District Court for the Eastern District of Pennsylvania approved a Stipulated Order and Settlement Agreement under which we and Purolite agreed to the settlement of the action. The Settlement Agreement provides us with the exclusive right to use our patented technology and proprietary know how relating to adsorbent polymers for a period of 18 years. In particular, the Settlement Agreement relates to several of our issued patents and several of our pending patent applications covering our biocompatible polymeric resins, our methods of producing these polymers, and the methods of using the polymers to remove impurities from physiological fluids, such as blood.

Under the terms of the Settlement Agreement, we have agreed to pay Purolite royalties of 2.5% to 5% on the sale of those of our products, if and when those products are sold commercially, that are used in direct contact with blood or, in certain cases, in direct contact with a physiological fluid other than blood. The royalty payments provided for under the Settlement Agreement would apply to our currently envisioned CytoSorb, VetResQ, and BetaSorb products. For the year ended December 31, 2020 per the terms of the license agreement we have recorded royalty costs of approximately $1,954,000.

Following the expiration of the 18-year term of the Settlement Agreement, the patents and patent applications that are the subject of the Settlement Agreement should have expired under current patent laws, and the technology claimed in them will be available to the public. However, we have additional issued patents separate from those in this Settlement Agreement, and patents pending worldwide that may extend patent protection of our core technology. We will also continue to exclusively own any confidential and proprietary know how.

Product Payment & Reimbursement

CytoSorb

Germany

Effective January 1, 2017, we achieved a dedicated reimbursement code in Germany that provides for specific and enhanced reimbursement for our CytoSorb device. We believe in most cases that this dedicated reimbursement code provides our customers in Germany with reimbursement that not only covers the cost of the device, but the procedural costs as well. Reimbursement can also be covered by the standard “diagnosis related group” (“DRG”) acute care reimbursement. Under this system, hospitals would purchase CytoSorb and subtract the cost from a pre-determined lump-sum payment made by the payor to the hospital based on the patient’s diagnosis.

Switzerland

In 2019, CytoSorb was assigned two specific procedure codes from the Swiss Federal Statistical Office, a division of the Federal Department of Home Affairs in Switzerland. With cost data related to use of the CytoSorb device, a prerequisite for receiving reimbursement from the Swiss DRG system, we expect to receive a response soon regarding reimbursement levels.

Europe (excluding Germany and Switzerland)

Payment for our CytoSorb device for the removal of cytokines in patients with life-threatening illnesses is country dependent in Europe. We are pursuing reimbursement of CytoSorb in other major territories, with our partners, such as France, England, Italy and Spain, representing the other four economic leaders in Europe. There can be no assurances that reimbursement will be granted. Additional clinical data may be required to establish reimbursement.

United States

Critical care applications such as those targeted by our CytoSorb device involve a high mortality rate and extended hospitalization, coupled with extremely expensive ICU time. In view of these high costs and high mortality rates, we believe acceptance of our proprietary technology by critical care practitioners and hospital administrators will primarily depend on safety and efficacy factors rather than solely based on cost.

CytoSorb is not yet approved in the U.S. but has received FDA Emergency Use Authorization in April 2020 for use in adult critically ill COVID-19 patients with imminent or confirmed respiratory failure.  There is currently no specific reimbursement for CytoSorb in the U.S. Payment for our CytoSorb device in the U.S. for this application falls under the DRG prospective repayment system, which is currently the predominant inpatient hospital reimbursement methodology in the U.S. Under this system, hospital reimbursement is generally based upon pre-determined amounts payable for specific diagnoses (e.g. septic shock with respiratory failure), regardless of the number of services provided during the patient’s stay. If CytoSorb can improve outcomes and reduce the costs of ICU treatment and hospital length of stay, it could potentially save hospitals a significant amount of money.

In January 2021, the Centers for the Centers for Medicare & Medicaid Services (CMS) announced the Medicare Coverage of Innovative Technology pathway that will provide national Medicare coverage as early as the same day as FDA market authorization for Breakthrough medical devices, where coverage would last 4 years. This program may be applicable to CytoSorb, if it can achieve U.S. approval for the removal of ticagrelor during emergent or urgent cardiothoracic surgery, which was granted FDA Breakthrough Designation in April 2020.

Competition

General

We believe that our products represent a unique approach to disease states and health complications associated with the presence of larger toxins (often referred to as middle molecular weight toxins) in the bloodstream, including sepsis, acute respiratory distress syndrome, trauma, severe burn injury, pancreatitis, post-operative complications of cardiac surgery, damage to organs donated for transplant prior to organ harvest, renal disease and drug intoxication. Researchers have explored the potential of using existing membrane-based dialysis technology to treat patients suffering from sepsis. These techniques are unable to effectively remove the middle molecular weight toxins. We have demonstrated the ability of CytoSorb to reduce key cytokines in the blood of human patients with

predominantly septic shock and acute respiratory distress syndrome. In a post-hoc subgroup analysis of our European Sepsis Trial, we have also demonstrated statistically significant improvements in mortality in patients at high risk of death, including patients with either very high cytokine levels or patients older than age 65, both of which have a high predicted mortality. Larger studies are needed to confirm these preliminary data.

The CytoSorb, VetResQ, CytoSorb XL, DrugSorb, ContrastSorb, and BetaSorb devices consist of a cartridge containing adsorbent polymer beads. The cartridge incorporates industry standard connectors at either end of the device which connect directly to an extra-corporeal circuit (bloodlines) on a standalone basis. The extra-corporeal circuit consists of plastic tubing through which the blood flows, our cartridge containing our adsorbent polymer beads, pressure monitoring gauges, and a blood pump to maintain blood flow. The patient’s blood is accessed through a catheter inserted into his or her veins. The catheter is connected to the extra-corporeal circuit and the blood pump draws blood from the patient, pumps it through the cartridge and returns it back to the patient in a closed loop system. As blood passes over the polymer beads in the cartridge, toxins are adsorbed from the blood, without removing any fluids from the blood or the need for replacement fluid or dialysate.

There are three common forms of blood purification, including hemodialysis, hemofiltration, and hemoperfusion. All modes are generally supported by standard hemodialysis machines. All take blood out of the body to remove toxins and unwanted substances from blood, and utilize extracorporeal circuits and blood pumps. Dialysis and hemofiltration remove substances from blood by diffusion and ultrafiltration, respectively, through a semi-permeable membrane, allowing the passage of certain sized molecules across the membrane, but preventing the passage of other, larger molecules. Hemoperfusion utilizes solid or porous sorbents to remove substances based on pore capture and surface adsorption, not filtration.

CytoSorb is a hemoperfusion cartridge, using an adsorbent of specified pore size, which controls the size of the molecules which can pass into the adsorbent and vastly increases the area available for surface adsorption. As blood flows over our polymer adsorbent, middle molecules such as cytokines flow into the polymer adsorbent and are adsorbed. Our devices do not use semipermeable membranes or dialysate. In addition, our devices do not remove fluids from the blood like hemodialysis or hemofiltration. Accordingly, we believe that our technology has significant advantages as compared to traditional dialysis techniques, including ease of use.

Our HemoDefend platform is a development-stage technology utilizing a mixture of proprietary porous polymer beads that target the removal of contaminants that can cause transfusion reactions or cause disease in patients receiving transfused blood products. The HemoDefend beads can be used in multiple configurations, including the common in-line filter between the blood bag and the patient as well as a unique, patent-pending “Beads in a Bag” treatment configuration, where the beads are placed directly into a blood storage bag.

Sepsis

Researchers have explored the potential of using existing membrane-based dialysis technologies to treat patients suffering from sepsis. These techniques are unable to effectively remove middle molecular weight toxins, which leading researchers have shown to cause and complicate sepsis. The same experts believe that a blood purification technique that efficiently removes, or significantly reduces, the circulating concentrations of such toxins might represent a successful therapeutic option. CytoSorb has demonstrated the ability to remove middle molecular weight toxins, such as cytokines, from circulating blood in a statistically significant manner.

Medical research during the past two decades has focused on drug interventions aimed at chemically blocking or suppressing the function of one or two inflammatory agents. In hindsight, some researchers now believe this approach has little chance of significantly improving patient outcomes because of the complex pathways and multiple chemical factors at play. Clinical studies of these drug therapies have been largely unsuccessful. An Eli Lilly drug, Xigris®, cleared by the FDA in November 2001, is the first and only drug to be approved for the treatment of severe sepsis. Clinical studies demonstrated that use of Xigris® resulted in an average absolute 6% reduction in 28-day mortality, and an absolute 13% reduction in 28-day mortality in the most severe sepsis patients. The drug remains controversial and is considered expensive when compared to the percentage of patients who benefit. In 2011, after completing a follow up study required by the FDA, it was subsequently determined that Xigris® did not have a statistically significant mortality benefit, and in October 2011, Eli Lilly withdrew Xigris® from all markets worldwide.

Development of many experimental therapies has been discontinued, including Eritoran from Eisai, CytoFab from BTG/Astra Zeneca, Talactoferrin from Agennix, tranexemic acid from Leading Biosciences, selective cytapheresis from CytoPheryx, and others.

There have been many large scale clinical trials in sepsis.  The primary outcomes of these studies have generally included:

COVID-19 disrupted many clinical studies in 2020.  Notable active Phase III trials in sepsis include the following:

Initiated in November 2012, the 800 patient Phase III randomized controlled SCARLET study began for Recomodulin (ART 123, Artisan/Asahi Kasei), a recombinant human thrombomodulin, for the treatment of septic patients with coagulopathy. In 2019, the results of the study were published in JAMA, demonstrating no benefit in 28-day all-cause mortality. The 800 patient Phase III SCARLET-2 randomized, controlled trial, evaluating Recomodulin in patients with sepsis and coagulopathy, was scheduled to begin in July 2019, but was withdrawn to be amended following the results of the SCARLET trial. The status of the trial is unknown.

Another study is being conducted by Atox Bio, a development stage company in clinical studies with peptide therapeutics that are designed to prevent superactivation of the immune response by certain toxins such as toxic shock syndrome toxin. It is currently focused on necrotizing soft tissue infections. The investigational peptide, AB103 or Reltecimod, binds to the CD28 co-stimulatory receptor to attempt to restore the host’s appropriate immune response to severe infections and was evaluated in the ACCUTE Trial, a Phase III randomized controlled trial in 60 investigative sites in the U.S in 290 patients with necrotizing soft tissue infections. The primary endpoint of the study was based on a modified Intent-to-treat (mITT) analysis of a primary composite endpoint that was defined as:  alive at day 28, ≤ 3 debridements, no amputation beyond first operation, and day 14 mSOFA ≤ 1 with ≥ 3 point reduction (organ dysfunction resolution).  A prespecified, per protocol (PP) analysis excluded 17 patients with major protocol violations before unblinding.  There was no difference in 28-day mortality of 15% in each group, and the study did not reach significant improvement in the primary endpoint in the pre-defined mITT population.  However, in the PP analysis that excluded 17 patients, the company claims clinical composite endpoint success of 54.3% treatment vs 40.3% control.  In December 2020, Atox Bio announced that they had filed an NDA under the FDA Accelerated Approval Program with a PDUFA date of September 30, 2021.In January 2021, the company announced the termination of its Phase 3 REAKT (Reltecimod Efficacy for Acute Kidney Injury Trial) trial in patients with abdominal sepsis induced AKI due to slow enrollment.

Spectral Medical, Inc. is collaboratingcollaborated with Toray on the EUPHRATES trial, combining an endotoxin assay with extracorporeal endotoxin removal by Toraymyxin, a polymyxin-B immobilized polystyrene fiber cartridge. The study began in June 2010 and completed enrollment in June 2016. Endotoxemia is a result of Gram negative sepsis, which only accounts for 45% of cases of sepsis. It is a potent stimulator of cytokine storm. However, all anti-endotoxin strategies have failed pivotal studies to date, believed to be the result of intervening too late in the sepsis cascade. The original trial was designed as a randomized control trial in 360 patients with septic shock and high endotoxin levels (≥ 0.60 EAA units) as confirmed by Spectral’s Endotoxin Activity Assay (“EAA”). In a second interim analysis finalized in April 2014, following the enrollment of 184 patients with 28-day follow-up, the DSMB recommended that the trial continue. However, the expected trial size was increased to 650 patients and the exclusion criteria was modified to only accept sicker patients with a multiple organ dysfunction syndrome score greater than 9. In September 2015, Spectral reported that the composite mortality in the new subgroup had risen to ~50%, from ~30% previously. New statistical analysis on patients in the new subgroup, and comparable patients in a European treatment registry, led to a sample size recalculation of 446 evaluable patients. Spectral announced in June 2016 that they had completed enrollment for the EUPHRATES trial. In October 2016, Spectral announced top-line results that the trial did not meet the main goal of absolute reduction in 28 day28-day all-cause mortality, but reiterated safety of treatment and potential benefit in the sickest group of patients (multiple organ dysfunction score > 9). There have now been several large scale studies failingA secondary analysis of the sub-population of patients with septic shock and high circulating endotoxin activity also failed to demonstrate thea beneficial effect of Toraymyxin on 28-day mortality in sepsis.

Few therapies are currently under development.sepsis, however, an exploratory post-hoc analysis of the suggested trends toward improvements in changes in mean arterial pressure and ventilator-free days. In April 2015, Leading Biosciences began a 260 patient randomized, controlled Phase 2 clinical SSAILFebruary 2019, Spectral announced an amendment of the original EUPHRATES trial into enroll an additional 150 septic shock patients under the TIGRIS expansion, in patients with a MODS score > 9 and an EAA level between 0.60 and 0.90, and will analyze the combined data from these two trials using its investigational orally administered drug, LB1148, also known as tranexemic acid. Tranexemic acid is a serine protease inhibitor, designedBayesian statistical approach. Based on the 179 patients from the EUPHRATES trial, treated patients had a mortality of 38% (N=90) compared to inhibit digestive enzymes and preserve and promote healing of48% mortality in the intestine’s mucosal barrier,control (N=89), but not statistically significant. The TIGRIS study will be in US sites only, randomized (2:1), open label trial, with the goal of preventing the escape of potent digestive enzymes into the blood, which could exacerbate sepsis. Leading Biosciences originally projectedan additional 150 new patients (100 treated, 50 control) to be added. Projected completion of trial enrollment  at 10 sites is 18 months (projected June 2022).

Enlivex has developed an investigational cell-based therapy called Allocetra that is an infusion of donor mononuclear cells that have been chemically induced to be apoptotic. Once infused, the trialpatient’s macrophages and dendritic cells phagocytose these apoptotic cells which purportedly then causes them to reduce inflammatory signals that results in December 2016 but terminatedimmune modulation. Enlivex recently reported on the use of its therapy, as a single or double dose in a single arm Phase IB study duein 10 patients who presented with sepsis to slow enrollment.

Currently, there are two late stage trials ongoing.the emergency room with a SOFA score > 2 above baseline.  The firstseverity of whichillness in this patient population was initiatedlow, with a mean APACHE II score of 12.9 (range 8-21) and a predicted mortality of approximately 15%, and a mean SOFA score of 3.4 (range 2-6), with a predicted mortality of less than 10%. There were no deaths reported in November 2012the study.  Results were compared with a poorly matched and was an 800 patient Phase III randomized controlled SCARLETsignificantly sicker control population who were admitted to the intensive care unit or intermediate care unit.

In 2017, a single center, retrospective, non-randomized, unblinded before-after clinical study began for Recomodulin (ART 123, Artisan/Asahi Kasei),evaluating the effect of hydrocortisone, intravenous Vitamin C, and thiamine in a recombinant human thrombomodulin, for the treatmenttotal of septic94 patients with coagulopathy. In mid-2013, following an interim analysis of safety data, the DSMB recommended that the trial continue. The primary completion date of the trial was expected to be March 2015, however based on a review of the web site clinicaltrials.gov, the trial has been completed but no results have been posted. Recomodulin has been approved in Japan since 2009 for the treatment of disseminated intravascular coagulation, a late complication of sepsis, at a cost of $5,800 per treatment. Although it has other activity, it works primarily by a similar anticoagulant mechanism to Xigris. Because of this, it has only demonstrated a limited mortality benefit in earlier studies (~9%: 34.6% control as compared to 26% treatment), similar to that seen in Xigris’ initial PROWESS Trial (~6%: 31% control as compared to 25% treatment) and is unlikely to have greater benefit in larger scale studies. According to clinicaltrials.gov, the estimated study completion date is July 2019.

The second study is being conducted by Atox Bio, a development stage company in clinical studies with peptide therapeutics that are designed to prevent superactivation of the immune response by certain toxins such as toxic shock syndrome toxin. It is currently focused on necrotizing soft tissue infections. The investigational peptide, AB103, is being evaluated in the ACCUTE Trial, a Phase 3 randomized controlled trial in 60 investigative sites in the U.S in 290 patients with necrotizing soft tissue infections. Primary outcomes include 28-day survival, amputation, and reduction in the modified sequential organ failure assessment score. According to clinicaltrials.gov, the estimated study completion date is March 2019.

Severe sepsis and septic shock patients are among the most expensive patients to treat in a hospital. Because of this, we believe that cost savings to hospitals and/or clinical efficacy, rather than the cost of treatment itself, will be the determining factor in the adoption of CytoSorb in the treatment of sepsis. CytoSorb is approved in the EU and is being sold directly in Germany, Austria, Switzerland, Belgium and Luxembourg with our own direct sales force. In December 2016, we announced the achievement of a permanent, dedicated reimbursement procedure code for CytoSorb therapy in Germany, providing for specific and enhanced reimbursement in the largest medical device market in Europe. We have established strategic partnerships with Fresenius Medical Care, the world’s largest dialysis company, for exclusive distribution of CytoSorb for critical care applications in France, Poland, Denmark, Sweden, Norway, and Finland, and Terumo Cardiovascular, the largest cardio surgery disposables company, for exclusive distribution of the CytoSorb Cardiopulmonary Bypas Kit in France, Denmark, Sweden, Norway, Finland, and Iceland. We are also partnered with Biocon Ltd, India’s largest biopharmaceutical company, for exclusive distribution of CytoSorb in India, Sri Lanka, Malaysia, and other select emerging markets and Dr. Reddy’s Laboratories, for exclusive distribution of CytoSorb in South Africa We have ongoing discussions with potential corporate partners and independent distributors to market CytoSorb in other select EU countries and in other countries outside the EU that accept CE Mark approval. We have established direct sales or distribution of CytoSorb in 45 countries worldwide.

We estimate that the market potential in Europe for our products is larger than that in the U.S. For example, in the U.S. and Europe, there are an estimated one million and 1.5 million new cases, respectively, of severe sepsis and septic shock annually. In Germany alone, accordingwas published suggesting a significant decrease in hospital mortality of 8.5% (4 of 47 treated) versus mortality of 40.4% (19 of 47 control), p<0.001. Mechanistically, Vitamin C is an antioxidant that scavenges free oxygen radicals, and plays a role in preserving endothelial function and microcirculatory flow.  Thiamine is a co-factor of pyruvate dehydrogenase that is a key step in the conversion of lactate to pyruvate to acetyl-CoA, then to the German Sepsis Society, thereKrebs cycle, leading to a consumption of lactate. Steroids are approximately 154,000 cases ofanti-inflammatory. Vitamin C or steroids alone have not demonstrated a significant benefit in patients with severe sepsis each year. Germany is the largest medical device marketand septic shock in Europelarge scale clinical trials.  Observational studies in septic patients have demonstrated a deficiency in Vitamin C and the third largestthiamine. Critics of this study cite weaknesses in the world.

Sepsis patients are treatedstudy design, and confounders such as the significantly higher incidence of renal replacement therapy in the ICUcontrol arm (33% vs 10% treatment, p=0.02), that is an independent and significant risk factor for 12mortality in sepsis.  Many compare it to 18 days on averageanother well-known single center trial in 2001 in 263 patients that suggested a significant reduction in hospital mortality (30.5%, N=130 treatment versus 46.5%, N=133 control) due to early goal directed therapy (EGDT), which protocolized resuscitation, oxygenation, and for a total of 20 to 25 dayshemodynamic targets in the hospital. A typicalemergency room for patients with severe sepsis or septic shock patient in the U.S. costs approximately $45,000prior to $60,000 to treat without using CytoSorb. CytoSorb therapy for sepsis typically costs in the range of $1,000 to $5,000, depending on the number of treatments. The goal of therapy is to not only improve clinical outcomes, but to also reduce the severity of illness and reduce the need for costly ICU care (estimated at approximately $4,300 per day in the ICU in the U.S.). The cost of CytoSorb therapy represents a fraction of what is currently spent on the treatment of patients with sepsis and would be cost-effective if it decreased ICU stay by one to two days. Based upon this price point, the total addressable market for CytoSorb for the treatment of sepsis in the U.S. and EU is approximately $6 billion to $8 billion.

Cardiac Surgery

There are approximately 500,000 cardiopulmonary bypass and cardiac surgery procedures performed annually in the U.S., 500,000 in the EU, and approximately 1.5 million procedures worldwide. These include relatively common procedures including coronary artery bypass graft surgery, valve replacement surgery, heart and lung transplant, aortic reconstruction, congenital heart defect repair, and LVAD for the treatment of heart failure. Cardiac surgery can result in inflammation and the production of high levels of inflammatory cytokines, activation of complement, as well as hemolysis, causing the release of free hemoglobin. These can lead to post-operative complications including infection, pulmonary, renal, and neurological dysfunction. Complications lead to longer ICU recovery times and hospital stays, increased morbidity and mortality, and higher costs. An average coronary artery bypass graft procedure already costs approximately $36,000 in the U.S. without complications. Accordingbeing admitted to the National Foundation for Transplants, a heart and lung transplant and first year expenses costs $1.2 million inICU. Three subsequent large scale randomized controlled trials failed to demonstrate any benefit. Regardless, the U.S. The use of CytoSorb to reduce cytokines and other inflammatory mediators during and after the surgical procedure may prevent or mitigate these post-operative complications. During the procedure, the CytoSorb filter can be incorporated in a bypass circuit in the heart-lung machine without the need for a separate pump, a unique competitive advantage over other technologies. After the surgery, CytoSorb can be used similarly to dialysis on patients that develop a severe post-operative inflammatory response. Direct cytokine and hemoglobin removal with CytoSorb enables it to replace the existing market for leukoreduction filters in cardiac surgery that attempt to indirectly reduce cytokines by capturing cytokine-producing leukocytes – an inefficient and suboptimal approach. Modified ultrafiltration is sometimes used after termination of cardiopulmonary bypass in cardiac surgery to remove excess fluid and inflammatory substances, but has had mixed benefit. The peri-procedural total addressable market for CytoSorb in the U.S. and EU in cardiothoracic surgery procedures is estimated to be $500 million to $1 billion.

Acute Respiratory Distress Syndrome

Acute lung injury (“ALI”) and ARDS are tworesults of the most serious conditions on the continuum of respiratory failure when both lungs are compromised by inflammationVitamin C, thiamine and fluid infiltration, severely compromising the lung’s ability to both oxygenate the blood and rid the blood of carbon dioxide produced by the body. There are an estimated 165,000 cases of acute respiratory distress syndrome in the U.S. each year, with more cases in the EU. Patients with ALI and ARDS typically require mechanical ventilation, and sometimes extracorporeal membrane oxygenation therapy, to help achieve adequate oxygenation of the blood. Patients on mechanical ventilation are at high risk of ongoing ventilator-induced lung injury, oxygen toxicity, barotrauma, ventilator-acquired pneumonias, and other hospital acquired infections, and outcome is significantly dependent on the presence of other organ dysfunction as well as co-morbid conditions such as pre-existing lung disease (e.g., emphysema or chronic obstructive pulmonary disease) and age. Because of this, mortality is typically greater than 30%, even with modern medicine and ventilation techniques. ALI and ARDS can be precipitated bysteroid single center trial have spawned a number of conditionsrandomized controlled clinical trials evaluating this therapeutic strategy, including pneumoniaVICTAS, VITAMINS, ACTS, and other infections, burnothers. The largest of these studies is VICTAS, a 2,000 patient U.S. multi-center randomized controlled trial that started in August 2018 comparing intravenous Vitamin C, thiamine, and smoke inhalation injury, aspiration, reperfusion injury and shock. Cytokine injury plays a major role in the vascular compromise and cell-mediated damage to the lung through tight junction disruption of respiratory endothelium, leading to capillary leak syndrome, and other factors. Reduction of cytokine levels may either preventhydrocortisone for 4 days or mitigate lung injury, enabling patients to wean from mechanical ventilation faster, potentially reducing numerous sequelae such as infection, pneumothoraces, and respiratory muscle deconditioning, and allow fasteruntil ICU discharge thereby potentially saving costs. CytoSorb treatmentversus placebo and standard of patients with either ALI or ARDS in the setting of sepsis was the subject of our European Sepsis Trial where in a post-hoc analysiscare in patients with very high cytokine levels, we observed faster ventilator weaningsuspected or confirmed infection and either respiratory dysfunction requiring mechanical support or shock of less than 24 hours from enrollment.  The primary outcome is vasopressor and ventilator-free days at 30 days.  The trial was terminated early at 501 patients due to a withdrawal of funding from the study, with results published in CytoSorb treated patients thatJAMA in February 2021.  Ventilator- and vasopressor-free days showed no significant improvement with a statistical trend to benefit. Future, prospectively defined, larger studies are required to confirm these findings. Although a numbermedian of therapies have been tried such as corticosteroids, nitric oxide, surfactant therapy, and others, there are currently no approved treatments for ARDS. Only low tidal volume ventilation has been demonstrated to improve mortality (31.0 as compared to 39.8% control) in this patient population. However, even with this intervention, mortality is still unacceptably high. The total addressable market for CytoSorb to treat ARDS and ALI25 days (IQR, 0-29 days) in the EU is estimated to be between $500 million to $1.25 billion,intervention group and between $1 billion to $2 billion26 days (IQR, 0-28 days) in the U.S .and EU.

Severe Burn Injury

Inplacebo group, with a median difference of −1 day (95% CI, −4 to 2 days; P = .85). Thirty-day mortality was 22% in the intervention group and 24% in the placebo group and was not statistically significant. The ACTS trial is a 200 patient U.S. multicenter study that started in February 2018 comparing 4 days of treatment with intravenous Vitamin C (1500 mg/d), there are approximately 2.4 million burn injuries per year, with 650,000 treated by medical professionalsthiamine (100 mg/d), and approximately 75,000hydrocortisone (50 mg every 6 hours) versus saline placebo in patients having suspected or confirmed infection, requiring hospitalization. Aggressive modern managementvasopressors. The primary endpoint is change in SOFA score in 72 hours.  Results from this study were published in JAMA in August 2020.  Change in the SOFA score was 4.7 in the intervention group vs 4.1 in the placebo group over 72 hours, a difference that was not statistically significant. The VITAMINS RCT began in Australia and New Zealand in November 2017, comparing the effect of burn injury, including debridement, skin grafts, anti-microbial dressingsVitamin C (6g/d), thiamine (400 mg/d) and mechanical ventilation for smoke and chemical inhalation injury has led to significant improvementshydrocortisone (50mg every 6 hours) versus hydrocortisone (50mg every 6 hours) alone, in survival of burn injury to approximately 95% on average in leading burns centers. However, there remains a need for better therapies to reduce the mortality in those216 patients with large burnsseptic shock and inhalation injury as well as to reduce complicationsa blood lactate > 2 mmol/L, with a primary endpoint of burn injurytime alive and hospital lengthfree of stay for all patients. According to National Burn Repository Data,vasopressors at day 7 after randomization. The results of the average hospital stay for burn patients is directly correlatedVITAMINS trial were published in JAMA in January 2020, concluding that treatment with vitamin C, hydrocortisone, and thiamine, compared with intravenous hydrocortisone alone, did not significantly improve the percent total body surface area (“TBSA”) burned. Every 1% increaseduration of TBSA burned equates to approximately 1 additional day in the hospital. A single patient with more than 30% TBSA burned who survives, is hospitalized for an averagetime alive and free of 30vasopressor administration over 7 days, and costs approximately $200,000 to treat. Major causes of death following severe burn and smoke inhalation injury are multiple organ failure (hemodynamic shock, respiratory failure, acute renal failure) and sepsis, particularly in patients with greater than 30% TBSA burns. Specifically, burns and inhalation injury lead to severe systemic and localized lung inflammation, loss of fluid, and cytokine overproduction. This “cytokine storm” causes numerous problems, including: hypovolemic shock and inadequate oxygen and blood flow to critical organs, acute respiratory distress syndrome preventing adequate oxygenation of blood, capillary leakage resulting in tissue edema and intravascular depletion, hypermetabolism leading to massive protein degradation and catabolism and yielding increased risk of infection, impaired healing, severe weakness and delayed recovery, immune dysfunction causing a higher risk of secondary infections (wound infections, pneumonia) and sepsis, and direct apoptosis and cell-mediated killing of cells, leading to organ damage. Up to a third of severe hospitalized burn patients develop multiple organ failure and sepsis that can often lead to complicated, extended hospital courses, or death. Broad reduction of cytokine storm hasdoes not been previously feasible and represents a novel approach to limiting or reversing organ failure, potentially enabling more rapid mechanical ventilation weaning, prevention of shock, reversal of the hypermetabolic state encouraging faster healing and patient recovery, reducing hospital costs, and potentially improving survival. The total addressable market in the EU for CytoSorb to address burn and smoke inhalation injury is estimated at $150 million to $350 million and $300 million to $600 million in the U.S and EU.

Trauma

According to the National Center for Health Statistics, in the U.S., there are more than 31 million visits to hospital emergency rooms, with 1.9 million hospitalizations, and 167,000 deaths every year due to injury. The leading causes of injury are trauma from motor vehicle accidents, being struck by an object or other person, and falls. Trauma is a well-known trigger of the immune response and a surge of cytokine production or cytokine storm. In trauma, cytokine storm contributes to a systemic inflammatory response syndrome and a cascade of events that cause cell death, organ damage, organ failure and often death. Cytokine storm exacerbates physical trauma in many ways. For instance, trauma can cause hypovolemic shock due to blood loss, while cytokine storm causes capillary leak and intravascular volume loss, and triggers nitric oxide production that causes cardiac depression and peripheral dilation. Shock can lead to a lackmore rapid resolution of oxygenated blood flow to vital organs, causing organ injury. Severe systemic inflammation and cytokine storm can lead to acute lung injury and acute respiratory distress syndrome as is often seen in ischemia and reperfusion injury following severe bleeding injuries. Penetrating wound injury from bullets, shrapnel and knives, can lead to infection and sepsis, another significant cause of organ failure in trauma. Complicating matters is the breakdown of damaged skeletal muscle, or rhabdomyolysis, from blunt trauma that can lead to a massive release of myoglobin into the blood that can crystallize in the kidneys, leading to acute kidney injury and renal failure. Renal failure in trauma is associated with a significant increase in expected mortality. Cytokine and myoglobin reduction by CytoSorb and related technologies may have benefit in trauma, potentially improving clinical outcome. The total addressable market for CytoSorb for the treatment of trauma is estimated to be $1.5 billion to $2.0 billion in the U.S. and the EU.

Severe Acute Pancreatitis

Acute pancreatitis is the inflammation of the pancreas that results in the local release of digestive enzymes and chemicals that cause severe inflammation, necrosis and hemorrhage of the pancreas and local tissues. Approximately 210,000 people in the U.S. are hospitalized each year with acute pancreatitis with roughly 20% requiring ICU care. It is caused most frequently by a blockage of the pancreatic duct or biliary duct with gallstones, cancer, hyperlipidemia, or from excessive alcohol use. Severe acute pancreatitis is characterized by severe pain, inflammation, and edema in the abdominal cavity, as well as progressive systemic inflammation, generalized edema, and multiple organ failure that is correlated with high levels of cytokines and digestive enzymes in the blood. Little can be done to treat severe acute pancreatitis today, except for pancreatic duct decompression with endoscopic techniques, supportive care therapy, pain control, enteral tube feeding, and fluid support. ICU stay is frequently measured in weeks and although overall ICU mortality is approximately 10%, patients with multiple organ failure have a much higher risk of death. CytoSorb may potentially benefit overall outcomes in episodes of acute pancreatitis by removing a diverse set of toxins from blood. The total addressable market for CytoSorb for the treatment of severe acute pancreatitis in the U.S. and EU is estimated to be between $400 million to $600 million. 

Cancer Cachexia and Cancer Immunotherapy

Cancer cachexia is a progressive wasting syndrome characterized by rapid weight loss, anorexia, and physical debilitation that significantly contributes to death in the majority of cancer patients. Cancer cachexia is a systemic inflammatory condition, driven by excessive pro-inflammatory cytokines and other factors, that cripples the patient’s physical and immunologic reserve to fight cancer. Despite afflicting millions of patients worldwide each year, there are no effective approved treatments for cancer cachexia, with only symptomatic treatments available. CytoSorb blood purification may stop or reverse cancer cachexia through broad reduction of cytokines and other inflammatory mediators, when treated over time. For example, CytoSorb efficiently removes TNF-alpha (originally called “cachectin” or “cachexin” when first isolated in cancer cachexia patients) and other major pro-inflammatory cytokines including IL-1, IL-6, and gamma interferon that can cause cachexia. This broad immunotherapy approach may lead to improved clinical outcomes while reducing patient suffering.

In February 2014, we announced a research collaboration with researchers at the University of Pennsylvania School of Veterinary Medicine to evaluate the use of CytoSorb as a treatment for cancer cachexia in animals. Demonstrating the potential benefit of CytoSorb therapy in animals may provide the data to begin evaluating the therapy in human cancer patients in the U.S. and Europe. CytoSorb is approved in the EU with a broad indication for use, allowing it to be used in any clinical situation where cytokines are elevated, including the potential treatment today of cancer related issues such as cancer cachexia. Because of this, any positive data from this collaboration could potentially be translated to human studies relatively quickly.

The collaboration will also explore the use of CytoSorb as a primary immunotherapy to treat cancer, or in synergy with more traditional chemotherapy or immunotherapy agents. 

CytoSorb may also represent a rescue or salvage therapy in activated CAR T-cell cancer immunotherapy, where cytokine release syndrome (i.e. CRS or cytokine storm) is common, and can lead to organ failure and death in certain patients.

In the CRS literature, researchers have drawn parallels to both macrophage activating syndrome and secondary hemophagocytic lymphohistiocytosis (HLH) which produce a similar clinical picture and cytokine storm profile. To date, CytoSorb has been used successfully in approximately a dozen cases of secondary HLH. In March 2017, the pioneer of CAR T-cell immunotherapy, Dr. Carl June at University of Pennsylvania, joined our scientific advisory board. In 2017, both Kymriah from University of Pennsylvania and Novartis, and Yescarta from Kite Pharma and Gilead Sciences, received FDA approval for the treatment of certain hematologic cancers.

The total addressable market for CytoSorb for the treatment of cancer cachexia and cancer in the U.S. and EU is estimated to be in excess of $4 billion.

Brain-Dead Organ Donors

There are in excess of 6,000 brain dead organ donors each year in the United States; worldwide, the number of these organ donors is estimated to be at least double the U.S. brain dead organ donor population. There is a severe shortage of donor organs. Currently, there are more than 100,000 individuals on transplant waiting lists in the United States. Cytokine storm is common in these organ donors, resulting in reduced viability of potential donor organs. The potential use of CytoSorb hemoperfusion to control cytokine storm in brain dead organ donors could increase the number of viable organs harvested from the donor pool and improve the survival of transplanted organs. A proof-of-concept pilot study using our technology in human brain dead donors has been published. In addition, CytoSorb treatment in a porcine animal model of brain death demonstrated a reduction in cytokines as well as a preservation of cardiac function compared to untreated controls.

Blood Transfusions

The HemoDefend platform is a development-stage technology designed to be a practical, low cost, and effective way to safeguard the quality and safety of the blood supply. In the U.S. alone, 15 million packed red blood cell (“pRBC”) transfusions and another 15 million transfusions of other blood products (e.g., platelet, plasma, and cryoprecipitate) are administered each year with an average of 10% of all U.S. hospital admissions requiring a blood transfusion. The sheer volume of transfusions, not just in the U.S., but worldwide, complicates an already difficult task of maintaining a safe and reliable blood supply. Trauma, invasive operative procedures, critical care illnesses, supportive care in cancer, military usage, and inherited blood disorders are just some of the drivers of the use of transfused blood. In war, hemorrhage from trauma is a leading cause of preventable death, accounting for an estimated 30% to40% of all fatalities. For example, in Operation Iraqi Freedom, due to a high rate of penetrating wound injuries, up to 8% of admissions required massive transfusions, defined as 10 units of blood or more in the first 24 hours. There is a clear need for a stable and safe source of blood products. However, blood shortages are common and exacerbated by the finite lifespan of blood. According to the Red Cross, pRBC units have a refrigerated life span of 42 days. However, many medical experts believe there is an increased risk of infection and transfusion reactions once stored blood ages beyond two weeks. Transfusion-related acute lung injury is the leading cause of non-hemolytic transfusion-related morbidity and mortality, with an incidence of 1 in 2,000-5,000 transfusions and a mortality rate of up to 10%. Fatal cases of transfusion-related acute lung injury have been most closely related to anti-HLA or anti-granulocyte antibodies found in a donor’s transfused blood. Other early transfusion reactions such as transfusion-associated dyspnea, fever and allergic reactions occur in 3% to 5% of all transfusions and can vary in severity depending on the patient’s condition. These are caused by cytokines, bioactive lipids, free hemoglobin, toxins, foreign antigens, certain drugs, and a number of other inflammatory mediators that accumulate in transfused blood products during storage. Leukoreduction can remove the majority of white cells that can produce new cytokines but cannot eliminate those cytokines already in blood, and cannot otherwise remove other causative agents such as free hemoglobin and antibodies. Automated washing of pRBC is effective but is impractical due to the time, cost, and logistics of washing each unit of blood. The HemoDefend platform is a potentially superior alternative to purify blood transfusion products to these methods. CytoSorbents has also received grant and contract funding to develop the HemoDefend platform to enable both universal plasma and fresh whole blood transfusions through the reduction of anti-A and anti-B blood group antibodies. Today, plasma and whole blood products must be carefully blood-type matched to prevent potentially fatal hemolytic transfusion reactions in the recipient, caused by the accidental administration of mismatched blood products. The reduction of anti-A and anti-B antibodies could potentially reduce or eliminate this risk, allowing for a broader range of available donors and simplifying the transfusion process. The total addressable market for HemoDefend is more than $500 million for pRBCs alone. .

Radiocontrast Removal

ContrastSorb is a development-stage blood purification technology that is being optimized for the removal of IV contrast from blood in order to prevent CIN. Contrast-induced nephropathy is the acute loss of renal function within the first 48 hours following IV contrast administration. IV contrast is widely administered to patients undergoing CT scans, to enhance the images and make it easier to identify anatomic structures. IV contrast is also administered during vascular interventional radiology procedures and angiography of blood vessels in the brain, heart, limbs, and other parts of the body to diagnose and treat atherosclerosis (narrowing of blood vessels due to cholesterol deposits), vascular injury, aneurysms, etc. For example, an estimated 10 million coronary angiograms are performed worldwide each year to diagnose and treat coronary artery disease by placing coronary stents, performing balloon angioplasty, or atherectomy (removal of plaque in arteries). Overall, there are an estimated 80 million doses of IV contrast administered worldwide each year, split between approximately 65 million contrast-enhanced CT scans, 10 million coronary angiograms, and 5 million conventional angiograms. There are an estimated 30 million doses administered each year in the U.S. alone. The reported risk of CIN in patients undergoing contrast enhanced CT scans has been reported to be 2% to 13%. For coronary intervention, the risk has been estimated to be as high as 20% to 30% in high risk patients with pre-existing renal insufficiency, long-term diabetes, hypertension, congestive heart failure, and older age. The use of low osmolar IV contrast, hydration of patients pre-procedure, orally administration of N-acetylcysteine, and other agents to prevent CIN have demonstrated modest benefit in some clinical studies, but in many cases, the results across studies have been equivocal and inconsistent. In high risk patients, the direct removal of IV contrast from the blood with ContrastSorb to prevent CIN represents a potentially more effective alternative. The worldwide market opportunity for ContrastSorb in this high risk group is approximately $1 billion to $2 billion.

Drug Removal

DrugSorb is a development-stage blood purification technology that is capable of removing a wide variety of drugs and chemicals from blood, as a potential treatment for drug overdose, drug toxicity, toxic chemical exposure, use in high-dose regional chemotherapy, and other applications. It has demonstrated extremely high single pass removal efficiency of a number of different drugs that exceeds the extraction capability of hemodialysis or other filtration technologies. It is similar in action to activated charcoal hemoperfusion cartridges that have been available for many years, but has the advantage of having inherent biocompatibility and hemocompatibility without coatings, and can be easily customized for specific agents.

Chronic Kidney Failure

The National Kidney Foundation estimates that more than 20 million Americans have chronic kidney disease. Left untreated, chronic kidney disease can ultimately lead to chronic kidney failure, which requires a kidney transplant or chronic dialysis (generally three times per week) to sustain life. There are approximately 400,000 patients in the U.S. currently receiving chronic dialysis and more than 3.0 million worldwide. Approximately 66% of patients with chronic kidney disease are treated with hemodialysis. One of the problems with standard high-flux dialysis is the limited ability to remove certain mid-molecular weight toxins such as β₂ -microglobulin. Over time, β₂ -microglobulin can accumulate and cause amyloidosis in joints and elsewhere in the musculoskeletal system, leading to pain and disability. Our BetaSorb device has been designed to remove these mid-molecular weight toxins when used in conjunction with standard dialysis. Standard dialysis care typically involves three sessions per week, averaging approximately 150 sessions per year.

Products

The polymer adsorbent technology used in our products can remove middle molecular weight toxins, such as cytokines, from blood and physiologic fluids. All of the potential applications described below (i.e., the adjunctive treatment and/or prevention of sepsis; the adjunctive treatment and/or prevention of other critical care conditions such as acute respiratory distress syndrome, burn injury, trauma and pancreatitis; the prevention of damage to organs donated by brain-dead donors prior to organ harvest; the prevention of post-operative complications of cardiopulmonary bypass surgery; the prevention of kidney injury from IV contrast; and the treatment of chronic kidney failure) share in common high concentrations of toxins in the circulating blood. However, because of the limited studies we have conducted to date, we are subject to substantial risk that our technology will have little or no effect on the treatment of any of these indications. In 2011, we completed our European Sepsis Trial of our CytoSorb device. The study was a randomized, open label, controlled clinical study in 14 sites in Germany of 100 critically ill patients with predominantly septic shock and respiratory failure. The trial successfully demonstrated the ability of CytoSorb to reduce levels of key cytokines from whole blood in treated patients, and that treatment was safe in these critically-ill patients with multiple organ failure. We completed the CytoSorb technical file review with our Notified Body and CytoSorb subsequently received EU regulatory approval under the CE Mark as an extracorporeal cytokine filter indicated for use in any clinical situation where cytokines are elevated. Given sufficient and timely financial resources, we intend to continue to commercialize in Europe and conduct additional clinical studies of our products. However, there can be no assurance that we will ever obtain regulatory approval for any other device, or that the CytoSorb device will be able to generate significant sales.

We manufacture the CytoSorb device at our facility located in Monmouth Junction, New Jersey. We purchase our raw materials from multiple vendors located primarily in the United States. We believe that our risk of an interruption in the supply of our raw materials is minimal due to the use of multiple vendors and the availability of alternate vendors. We do not have contractual minimum finished goods inventory requirements, however our practice is to maintain a minimum inventory level sufficient to provide a supply of products for the next two months.

The CytoSorb Device (Critical Care)

APPLICATION: Adjunctive Therapy in the Treatment of Sepsis

Sepsis is a potentially life threatening disease defined as a systemic inflammatory response in the presence of a known or suspected infection. Sepsis is mediated by high levels of inflammatory mediators such as cytokines, which are released into the blood stream as part of the body’s immune response to severe infection or injury. Excessive concentrations of these mediators cause severe inflammation and damage healthy tissues, which can lead to organ dysfunction and failure. Organ failure is the leading cause of death in the ICU. Sepsis is very expensive to treat and has a high mortality rate.

Potential Benefits: To the extent our adsorbent blood purification technology is able to prevent or reduce the accumulation of cytokines, toxins, or other inflammatory mediators in the circulating blood, we believe our products may be able to prevent or mitigate severe inflammation, organ dysfunction and failure in sepsis patients. Therapeutic goals as an adjunctive therapy include improved clinical outcome, reduced ICU and total hospitalization time, and reduced hospital costs.

Background and Rationale: We believe that the effective treatment of sepsis is the most valuable potential application for our technology. Severe sepsis (sepsis with organ dysfunction) and septic shock (severe sepsis with persistent hypotension despite fluid resuscitation) carries mortality rates of between 20% and 80%. Death can occur within hours or days, depending on many variables, including cause, severity, patient age and co-morbidities. There are approximately 1.6 million new cases of sepsis in the U.S. each year; and based on estimates by the Global Sepsis Alliance, the worldwide incidence is estimated to be 30 million cases annually. The incidence of sepsis is also rising due to:

In the U.S. alone, treatment of sepsis costs nearly $20 billion annually. According to the CDC, sepsis is a top ten cause of death in the U.S. The incidence of sepsis is believed to be under-reported as the primary infection (i.e., pneumonia, pyelonephritis, etc.) is often cited as the cause of death.

An effective treatment for sepsis has been elusive. Pharmaceutical companies have been trying to develop drug therapies to treat the condition. With the exception of Xigris® from Eli Lilly, no other products have been approved in either the U.S. or Europe for the treatment of sepsis. In 2011, after completing a follow up study required by the FDA, it was subsequently determined that Xigris® does not have a statistically significant mortality benefit, and Eli Lilly has withdrawn Xigris® from all markets worldwide.

Many medical professionals believe that blood purification for the treatment of sepsis holds tremendous promise. Studies using dialysis and hemofiltration technology have been encouraging, but have only had limited benefit to sepsis patients. The reason for this appears to be rooted in a primary limitation of dialysis technology itself: the inability of standard dialysis to effectively and efficiently remove significant quantities of larger toxins such as cytokines from circulating blood. CytoSorb has demonstrated the ability to safely reduce key cytokines in the blood of septic patients with multiple organ failure in our European Sepsis Trial.

The ability of CytoSorb to interact safely with blood (hemocompatibility) has been demonstrated through ISO 10993 testing, which includes testing for hemocompatibility, biocompatibility, cytotoxicity, genotoxicity, acute sensitivity and complement activation. CytoSorb use has been considered safe and well-tolerated in more than 35,000 human treatments to date.

CytoSorb has been designed to achieve broad-spectrum removal of both pro- and anti-inflammatory cytokines, preventing or reducing the accumulation of high concentrations in the bloodstream. It also removes a wide range of inflammatory mediators such as activated complement, bacterial toxins, myoglobin, free hemoglobin, bilirubin, and many others. This approach is intended to modulate the immune response without causing damage to the immune system. For this reason, researchers have referred to the approach reflected in our technology as “immunomodulatory” therapy.

Projected Timeline: In 2011, the CytoSorb filter received EU regulatory approval under the CE Mark as an extracorporeal cytokine filter to be used in clinical situations where cytokines are elevated. Our manufacturing facility has also achieved ISO 13485:2003 Full Quality Systems certification, an internationally recognized quality standard designed to ensure that medical device manufacturers have the necessary comprehensive management systems in place to safely design, develop, manufacture and distribute medical devices in the EU. We are currently manufacturing our CytoSorb device for commercial sale in the EU. We are currently selling CytoSorb in Germany, Austria, and Switzerland with a direct sales force. Based on its CE Mark approval, CytoSorb can also be sold throughout all 28 countries of the EU and countries outside the EU that will accept European regulatory approval with registration. Overall, we have established either direct sales or distribution (via distributors or strategic partners) of CytoSorb in 45 countries worldwide. Registration of CytoSorb is typically required in each of these countries prior to active commercialization. With CE Mark approval, this can be typically achieved within several months in EU countries. Outside of the EU, the process is more variable and can take months to more than a year due to different requirements for documentation and clinical data. Variability in the timing of registration affects the initiation of active commercialization in these countries, which affects the timing of expected CytoSorb sales. We actively support all of our distributors and strategic partners in the product registration process. Outside of the EU, CytoSorb is actively being commercialized in Turkey, India, Australia, New Zealand, Russia, South Africa, Serbia, Norway, Vietnam, Chile, Iceland, Iran, Panama and Saudi Arabia. We cannot generally predict the timing of these registrations, and there can be no guarantee that we will ultimately achieve registration in countries where we have established distribution. We also cannot guarantee that we will generate meaningful sales in the countries where we have established registration, due to other factors such as market adoption and reimbursement. We are currently actively evaluating other potential distributor and strategic partner networks in other major countries that accept CE Mark approval. With sufficient resources and continued positive clinical data, assuming availability of adequate and timely funding, and continued positive results from our clinical studies, we intend to continue our commercialization plans for our product worldwide as well as to pursue U.S. clinical trials to seek FDA regulatory approval for CytoSorb in the U.S. by 2020.

APPLICATION: Adjunctive Therapy in Other Critical Care Applications

Potential Benefits: Cytokine-mediated organ damage and immune suppression can increase the risk of death and infection in patients with commonly seen critical care illnesses such as acute respiratory distress syndrome, severe burn injury, trauma and pancreatitis. By reducing both pro- and anti-inflammatory cytokines, CytoSorb has the potential to reduce the systemic inflammatory response and:

Background and Rationale: A shared feature of many life-threatening conditions seen in the ICU is severe inflammation (either sepsis or systemic inflammatory response syndrome) due to an over-reactive immune system and high levels of cytokines that can cause or contribute to organ dysfunction, organ failure and patient death. Examples of such conditions include severe burn injury, trauma, acute respiratory distress syndrome and severe acute pancreatitis. MODS and MOF are common causes of death in these illnesses and mortality is directly correlated with the number of organs involved. There are currently few active therapies to prevent or treat MODS or MOF. If CytoSorb can reduce direct or indirect cytokine injury of organs, it may mitigate MODS or MOF, improve overall patient outcome and reduce costs of treatment. In addition, secondary infection, such as ventilator-acquired pneumonia, urinary tract infections, or catheter-related line infections, are another major cause of morbidity and mortality in all patients treated in the ICU that increase with longer ICU stay. Prolonged illness, malnutrition, age, multiple interventional procedures, and exposure to antibiotic resistant pathogens are just some of the many risk factors for functional immune suppression and infection. In sepsis and SIRS, the overexpression of pro-inflammatory cytokines can also cause a depletion of immune effector cells through apoptosis and other means, and anti-inflammatory cytokines can cause profound immune suppression, both major risk factors for infection.

Projected Timeline: The EU CE Mark approval for CytoSorb as an extracorporeal cytokine filter and its broad approved indication to be used in any clinical situation where cytokines are elevated, allows it to be used “on label” in critical care applications such as acute respiratory distress syndrome, severe burn injury, trauma, liver failure, and pancreatitis, and in other conditions where cytokine storm, sepsis and/or SIRS plays a prominent role in disease pathology. Our goal is to stimulate investigator-initiated clinical studies with our device for these applications. Currently, we have more than 60 investigator initiated or company-sponsored studies being planned, enrolling, or completed. We have been moving forward in parallel with a program to further understand the potential benefit of CytoSorb hemoperfusion in these conditions through additional investigational animal studies and potential human pilot studies in the U.S. funded either directly by us, through grants, or through third-parties. Commencement of these and other formal studies is contingent upon adequate funding and, in the case of U.S. human studies, FDA IDE approval of the respective human trial protocols.

APPLICATION: Prevention and treatment of post-operative complications of cardiopulmonary bypass surgery

Potential Benefits: If CytoSorb is able to prevent or reduce high levels of cytokines, free hemoglobins, and other inflammatory mediators from accumulating in the blood system during and following cardiac surgery, we anticipate that post-operative complications of cardiopulmonary bypass surgery may be able to be prevented or mitigated. The primary goals for this application are to:

Background and Rationale: Due to the highly invasive nature of cardiopulmonary bypass surgery, high levels of cytokines are produced by the body, triggering severe inflammation. In addition, hemolysis of red blood cells frequently occurs, resulting in the release of free hemoglobin into the bloodstream. These inflammatory mediators can lead to post-operative complications. CytoSorb is the only cytokine reduction technology approved in the EU that can be used intraoperatively in a bypass circuit in a heart-lung machine during cardiopulmonary bypass without the need for another machine. If our products are able to prevent or reduce the accumulation of cytokines or free hemoglobin in a patient’s blood stream, we may be able to prevent or mitigate post-operative complications caused by an excessive or protracted inflammatory response to the surgery. Intra-operative use of CytoSorb on high risk cardiac surgery patients, where the risk of post-operative complications is the highest, is expected to be the main initial target market. The use of CytoSorb in the post-operative period to treat post-operative SIRS is another application of the technology.

Projected Timeline: We commissioned the University of Pittsburgh to conduct a study to characterize the production of cytokines as a function of the surgical timeline for cardiopulmonary bypass surgery. An observational study of 32 patients was completed, and information was obtained with respect to the onset and duration of cytokine release. Cardiac surgeons, cardiac perfusionists, and cardiothoracic ICU intensivists in Germany, Austria, and other countries have now used CytoSorb successfully intra-operatively and post-operatively in more than 8,000 treatments in cardiac surgery patients. This application is also the subject of many planned and enrolling investigator-initiated studies in Germany and Austria.

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In February 2015, the FDA approved our Investigational Device Exemption (“IDE”) application to commence a planned U.S. cardiac surgery feasibility study called REFRESH I (REduction of FREe Hemoglobin) amongst 20 patients and three U.S. clinical sites. The FDA subsequently approved an amendment to the protocol, expanding the trial to be a 40 patient randomized controlled study (20 treatment, 20 control) in eight clinical centers. REFRESH I represents the first part of a larger clinical trial strategy intended to support the approval of CytoSorb in the U.S. for intra-operative use during cardiac surgery.

The REFRESH I study was designed to evaluate the safety and feasibility of CytoSorb when used intra-operatively in a heart-lung machine to reduce plasma free hemoglobin (pfHb) and cytokines in patients undergoing complex cardiac surgery.  The study was not powered to measure effect on clinical outcomes. The length, complexity and invasiveness of these procedures cause hemolysis and inflammation, leading to high levels of plasma free hemoglobin, cytokines, activated complement, and other substances.  These inflammatory mediators are correlated with the incidence of serious post-operative complications such as kidney injury, renal failure and other organ dysfunction.  The goal of CytoSorb is to actively remove these inflammatory and toxic substances as they are being generated during the surgery and reduce complications. Enrollment was completed with 46 patients. A total of 38 patients were evaluable for pfhB and completed all aspects of the study.

The primary safety and efficacy endpoints of the study were the assessment of serious device related adverse events and the change in plasma free hemoglobin levels, respectively.  On October 5, 2016, we announced positive top-line safety data. In addition, following a detailed review of all reported adverse events in a total of 46 enrolled patients, the independent DSMB found no serious device related adverse events with the CytoSorb device, achieving the primary safety endpoint of the trial. In addition, the therapy was well-tolerated and technically feasible, implementing easily into the cardiopulmonary bypass circuit without the need for an additional external blood pump.  This study represents the first randomized controlled trial demonstrating the safety of intra-operative CytoSorb use in patients undergoing high risk cardiac operations.

Investigators of the REFRESH I trial submitted an abstract with data, including free hemoglobin data, from the REFRESH I trial which was selected for a podium presentation at the American Association of Thoracic Surgery conference on May 1, 2017. On May 5, 2017, we announced additional REFRESH I data, including data from the study on the reduction of pfHb and activated complement and disclosed that investigators of the study have submitted a manuscript of the REFRESH I trial for publication.

In December 2017, the FDA approved our IDE application for our REFRESH 2 study. The REFRESH 2 study is a pivotal trial designed to provide the key safety and efficacy data needed to support United States regulatory approval for the use of CytoSorb in cardiac surgery, which we are planning to pursue via the premarket approval (PMA) pathway. The IDE approval allows us to aggressively move forward with our clinical trial sites to complete the final steps prior to the official start of the study. The REFRESH 2 pivotal study will assess the effectiveness of intraoperative CytoSorb blood treatment on postoperative acute kidney injury (AKI), the primary endpoint of the study and one of the most common adverse events in patients undergoing complex cardiac surgery. The REFRESH 2 trial is a randomized, controlled, multi-center, clinical trial designed to evaluate intraoperative CytoSorb use as a therapy to reduce the incidence and severity of AKI, as measured by Kidney Disease Improving Global Outcomes (KDIGO) criteria, following complex cardiac surgery.  The trial will enroll up to 400 patients at increased risk of cardiovascular surgery associated AKI, undergoing elective, non-emergent open heart surgery for either valve replacement, or aortic reconstruction with hypothermic cardiac arrest. The Company has initiated discussions with previous trial sites that participated in the REFRESH I study that are familiar with the CytoSorb device and intraoperative use during CPB. The Company believes using sites that previously participated in REFRESH I will accelerate the process of site startup and launch of REFRESH 2. The Company is ramping the trial, and has begun screening patients at a key site involved in REFRESH 1 and is working to add additional centers experienced in the conduct of clinical trials in complex cardiac surgery. We anticipate that this study will take at least two years to complete, and could take longer if enrollment challenges and other factors causing delays are encountered.

APPLICATION :Prevention and treatment of organ dysfunction in brain-dead organ donors to increase the number and quality of viable organs harvested from donors

Potential Benefits: If CytoSorb is able to prevent or reduce high-levels of cytokines from accumulating in the bloodstream of brain-dead organ donors, we believe CytoSorb may be able to mitigate organ dysfunction and failure, which results from severe inflammation following brain-death. The primary goals for this application are:

Background and Rationale: When brain death occurs, the body responds by generating large quantities of inflammatory cytokines. This process is similar to the systemic inflammatory response syndrome and sepsis. A high percentage of donated organs are never transplanted due to this response, which damages healthy organs and prevents transplant. In addition, inflammation in the donor may damage organs that are harvested and reduce the probability of graft survival following transplant. CytoSorb treatment in a porcine animal model of brain death demonstrated a reduction in cytokines as well as a preservation of cardiac function compared to untreated controls.

There is a shortage of donated organs worldwide, with approximately 100,000 people currently on the waiting list for organ transplants in the U.S. alone. Because there are an insufficient number of organs donated to satisfy demand, it is vital to maximize the number of viable organs donated, and optimize the probability of organ survival following transplant.

Projected Timeline: Studies have been conducted under a $1 million grant from the Health Resources and Services Administration (“HRSA”), an agency of the U.S. Department of Health and Human Services. Researchers at the University of Pittsburgh Medical Center and the University of Texas, Houston Medical Center have completed the observational and dosing phases of the project. The results were published in Critical Care Medicine, January 2008. The next phase of this study, the treatment phase, would involve viable donors treated with the CytoSorb device. In this phase of the project, viable donors will be treated and the survival and function of organs in transplant recipients will be tracked and measured. The treatment phase would be contingent upon further discussion with the FDA and HRSA regarding study design, as well as obtaining additional funding.

The VetResQ Device (Animal Health Critical Care)

APPLICATION: Adjunctive Therapy in the Treatment of Sepsis, Pancreatitis and Other Critical Illnesses in Animals

Potential Benefits and Rationale: In January 2017, the VetResQ device became commercially available for the United States veterinary market. VetResQ is a broad spectrum blood purification adsorber based upon similar underlying technology to CytoSorb and has been configured in 3 sizes (50, 150 and 300mL sized cartridges) to accommodate treatment of small, medium, and large animals such as cats, dogs, and high-value animals such as foals and horses.VetResQ is compatible with standard hemodialysis, continuous renal replacement therapy (“CRRT”), and hemoperfusion blood pumps. Like CytoSorb, VetResQ is designed to help treat (via hemoadsorption of cytokines, bacterial toxins and other inflammatory mediators) deadly inflammation and toxic injury in animals with critical illnesses such as septic shock, toxic shock syndrome, toxin-mediated diseases, pancreatitis, trauma, liver failure, drug intoxication, and lung injury. Critical illness in animals is similar to that in humans.Based upon cumulative studies, VetResQ is capable of reducing a broad range of excessive inflammatory mediators and toxins that could otherwise cause direct tissue injury or serious systemic inflammation that can rapidly lead to instability, organ failure, and death. VetResQ is available in the U.S. only for veterinary animal usage and is not for human use.

Projected Timeline : VetResQ is now available for commercial purchase for animal health applications in the United States.The FDA was notified of the launch in 2016 and we have provided the FDA with the related instructions for use and a marketing brochure.

The CytoSorb-XL Device (Critical Care)

APPLICATION: Adjunctive Therapy in the Treatment of Sepsis and other critical illnesses

Potential Benefits and Rationale: The CytoSorb-XL device is a next-generation porous polymer under advanced development and targets the same markets as CytoSorb. Through novel patent-pending chemistry, CytoSorb-XL adds the ability to reduce Gram negative bacterial endotoxin (lipopolysaccharide) to broad spectrum cytokine, exotoxin, and other inflammatory mediator removal. CytoSorb-XL removed comparable amounts of endotoxin when comparedin vitro against the leading standalone endotoxin filter, Toraymyxin (Toray, Japan). This could potentially increase the effectiveness of CytoSorb in sepsis and septic shock caused by Gram negative bacteria.

Projected Timeline : CytoSorb-XL is in advanced pre-clinical development as a potential next generation polymer to CytoSorb. It is expected to follow a similar path to E.U. approval as CytoSorb, expected within 4-5 years.

The HemoDefend Blood Purification Technology Platform (Acute and Critical Care)

APPLICATION: Reduction of contaminants in the blood supply that can cause transfusion reactions or disease when administering blood and blood products to patients.

Potential Benefits: The HemoDefend blood purification technology platform is designed to reduce contaminants in the blood supply that can cause transfusion reactions or disease. It is a development stage technology that is not yet approved in any markets, but is comprised of our highly advanced, biocompatible, polymer bead technology. If this technology is successfully developed and then incorporated into a regulatory approved product, it could have a number of important benefits, including:

Background and Rationale: The HemoDefend technology platform was built upon our successes in designing and manufacturing porous polymer beads that can remove cytokines. We have expanded the technology to be able to remove substances as small as drugs and bioactive lipids, to proteins as large as antibodies from blood that can cause transfusion reactions and disease. Although the frequency of these reactions are relatively low (approximately 3% to 5%), the sheer number of blood transfusions is so large, that the number of transfusion reactions, ranging from mild to life-threatening, is substantial, ranging from several hundreds of thousands to millions of reactions each year. In critically-ill patients, the risk of transfusion reactions is significantly higher than in the general population and can increase the risk of death because their underlying illnesses have depleted protective mechanisms and have primed their bodies to respond more vigorously to transfusion-associated insults.

A number of retrospective studies have also suggested that administration of older blood leads to increased adverse events and even increased mortality, compared with blood recently harvested. Biological studies have demonstrated the accumulation of erythrocyte storage lesions that compromise the function and structural integrity of packed red blood cells and have also demonstrated the accumulation of substances during blood storage that can lead to transfusion reactions. Three adult, prospective, randomized, controlled studies, RECESS (completed), ABLE (completed), and TRANSFUSE (ongoing) were designed to evaluate the morbidity andintravenous hydrocortisone alone.  Ninety-day mortality in cardiovascular surgery patients, critically ill patients, and critically-ill patients, respectively, treated with either “new or fresh” or “older” blood.The RECESS Trial was a randomized, controlled trial in a total of 1,098 evaluable patients undergoing complex cardiac surgery given fresh blood (≤10 days old) as compared to older blood (≥21 days old). The overall conclusion was that the age of blood had no statistically significant impact on the progression to organ dysfunction (as measured by the multiple organ dysfunction syndrome score) or death. However, a statistically significant increase in hepatobiliary-related serious adverse events (5% fresh vs 9% older, p=0.02) was related to hyperbilirubinemia, possibly caused by hemolysis and release of free hemoglobin in old blood. The serious adverse event rate in both new and old blood groups was approximately 50%, which is considered high for this group of patients. There are many details and subgroup analyses that were not discussed, particularly an analysis of those patients receiving more units of blood than average, as the risk of adverse events is cumulative. The ABLE Trial was a randomized, controlled trial in 2,430 critically-ill patients receiving either fresh (≤ 7 days) or standard issue blood. There was no difference in 90-day mortality between the two groups. The outcomes of the RECESS and ABLE trials do not alter the current pressing need for better solutions to purify transfused blood products in order to reduce transfusion-related adverse events and improve clinical outcome, but suggest that age of blood is not the critical factor.

Projected Timeline: The HemoDefend platform is a development stage product based on our advanced polymer technology. The base polymer is ISO 10993 biocompatible, meeting standards for biocompatibility, hemocompatibility, cytotoxicity, genotoxicity, acute sensitivity and complement activation. HemoDefend has demonstrated thein vitro removal of many different substances from blood such as antibodies, free hemoglobin, cytokines and bioactive lipids. We have also prototyped a number of different implementations of the HemoDefend technology, including the “Beads in a Bag” blood treatment blood storage bag, and standard in-line blood filters. The technology has been supported by the NHLBI, a division of the National Institute of Health, under a Phase I and more recently, an awarded $1.5M Phase II SBIR contract. Under the Phase II program, we expect to advance the in-line filter to human testing, expected in the next 12 months. We seek to out-license this technology to a strategic partner in the transfusion medicine space, but may elect to continue our development in parallel with out-licensing efforts.

ContrastSorb (Radiology and Interventional Radiology)

APPLICATION: Removal of IV contrast in blood administered during CT imaging, an angiogram, or during a vascular interventional radiology procedure, in order to reduce the risk of contrast-induced nephropathy.

Potential Benefits: IV contrast can lead to CIN, in susceptible patients. Risk factors include chronic kidney disease and renal insufficiency caused by age, diabetes, congestive heart failure, long-standing hypertension, and others co-morbid illnesses. CIN can lead to increased risk of patient morbidity and mortality. Removal of IV contrast by ContrastSorb may:

Background and Rationale: Contrast-induced nephropathy is the acute loss of renal function within the first 48 hours following IV contrast administration. IV contrast is widely administered to patients undergoing CT scans, to enhance the images and make it easier to identify anatomic structures. IV contrast is also administered during vascular interventional radiology procedures and angiography of blood vessels in the brain, heart, limbs, and other parts of the body to diagnose and treat atherosclerosis (narrowing of blood vessels due to cholesterol deposits), vascular injury, aneurysms, etc. The reported risk of CIN undergoing contrast enhanced CT scans has been reported to be 2% to 13%. For coronary intervention, the risk has been estimated to be as high as 20% to 30% in high risk patients with pre-existing renal insufficiency, and other risk factors. The use of low osmolar IV contrast, hydration of patients pre-procedure, orally administration of N-acetylcysteine, and other agents to prevent CIN have demonstrated modest benefit in some clinical studies, but in many cases, the results across studies have been equivocal and inconsistent. In high risk patients, the direct removal of IV contrast from the blood with ContrastSorb to prevent CIN represents a potentially more effective alternative.

Projected Timeline: ContrastSorb has demonstrated the high efficiency single pass removal of IV contrast and is in the process of optimization. The underlying polymer is made of the same ISO 10993 biocompatible polymer as CytoSorb, but with different structural characteristics. The ContrastSorb device is a hemoperfusion device similar in construction to CytoSorb and BetaSorb. Assuming successful optimization of the ContrastSorb polymer, safety and efficacy of IV contrast removal will need to be established in human clinical studies. We seek to out-license this technology to a potential strategic partner.

The BetaSorb Device (Chronic Care)

APPLICATION: Prevention and treatment of health complications caused by the accumulation of metabolic toxins in patients with chronic renal failure

Potential Benefits: If BetaSorb is able to prevent or reduce high levels of metabolic waste products from accumulating in the blood and tissues of long-term dialysis patients, we anticipate that certain health complications characteristic to these patients can be prevented or mitigated. The primary goals for this application are to:

Background and Rationale: Our BetaSorb device is intended for use on patients suffering from chronic kidney failure who rely on long-term dialysis therapy to sustain life. Due to the widely recognized inability of dialysis to remove larger proteins from blood, metabolic waste products, such as beta₂ -microglobulin , accumulate to toxic levels and are deposited in the joints and tissues of patients. Specific toxins known to accumulate in these patients have been linked to their severe health complications, increased healthcare costs, and reduced quality of life.

Researchers also believe that the accumulation of toxins may play an important role in the significantly reduced life expectancy experienced by dialysis patients. In the U.S., the average life expectancy of a dialysis patient is five years. Industry research has identified links between many of these toxins and poor patient outcomes. If our BetaSorb device is able to routinely remove these toxins during dialysis and prevent or reduce their accumulation, we expect our BetaSorb device to maintain or improve patient health in the long-term. We believe that by reducing the incidence of health complications, the annual cost of patient care will be reduced and life expectancy increased.

The poor health experienced by beta₂ -microglobulin patients is illustrated by the fact that in the U.S. alone, more than $33 billion is spent annually caring for this patient population. according to the United States Renal Data System, at a cost of approximately $88,000 per patient annually.

Projected Timeline: We have collected a significant amount of empirical data for the development of this application. As the developer of this technology, we had to undertake extensive research, as no comparable technology was available for reference purposes. We have completed four human pilot studies, including a clinical pilot of six patients in California for up to 24 weeks in which our BetaSorb device removed the targeted toxin, beta₂ -microglobulin, as expected. In total, we have sponsored clinical studies utilizing our BetaSorb device on 20 patients involving approximately 345 total treatments. Each study was conducted by a clinic or hospital personnel with us providing technical assistance as requested.

As discussed above, due to practical and economic considerations, we are focusing our efforts and resources on commercializing our CytoSorb device for critical care and cardiac surgery applications. Following commercial introduction of the CytoSorb device, and with sufficient additional resources, we may continue development of the BetaSorb resin and may conduct additional clinical studies using the BetaSorb device28.6% in the treatment group, and 24.5% in the control group.  The authors of end stage renal disease patients.

Commercial and Research Partners

Biocon Ltd

In September 2013, we entered into a distribution agreement with Biocon Ltd.,(“Biocon”), India’s largest biopharmaceuticals company, under which Biocon was granted exclusive commercialization rights tothese studies do not recommend the CytoSorb therapy in India and select emerging markets, initially focused on sepsis. Biocon committed to annual minimum purchases to maintain exclusivity. In October 2014, the Biocon partnership was expanded to include all critical care applications and cardiac surgery. In addition, Biocon committed to higher annual minimum purchases of CytoSorb to maintain distribution exclusivity and committed to conduct and publish results from multiple investigator initiated studies and patient case studies. In December 2017, the Biocon partnership was further expanded to include exclusive distribution of CytoSorb in Malaysia. Under the termsroutine use of the expanded partnership, Biocon has committed to minimum annual purchases in Malaysia to maintain exclusivity this territorycombination of Vitamin C, corticosteroids, and the term of the distribution agreement was extended to December 2022.

Fresenius Medical Care AG

 In December 2014, we entered into a multi-country strategic partnership with Fresenius Medical Care AG & Co KGaA (“Fresenius”) to commercialize the CytoSorb therapy. Under the agreement reflecting the terms of the partnership, Fresenius has exclusive rights to distribute CytoSorb for critical care applications in France, Poland, Sweden, Denmark, Norway, and Finland. The partnership allows Fresenius to offer an innovative and easy way to use blood purification therapy for removing cytokines in patients that are treated in the ICU. To promote the success of CytoSorb, Fresenius agreed to also engage in the ongoing clinical development of the product. This includes the support and publication of a number of small case series and patient case reports as well as the potential for future larger, clinical collaborations. In May 2016, Fresenius launched the product in the six countries for which it was granted exclusive distribution rights. In January 2017, the Fresenius partnership was expanded pursuant to a revised three year agreement. The terms of the revised three-year agreement extend Fresenius’ exclusive distributorship of CytoSorb for all critical care applications in their existing territories through 2019 and include guaranteed minimum quarterly orders and payments, evaluable every one and a half years. At the same time, we entered into a new comprehensive co-marketing agreement with Fresenius. Under the terms of the co-marketing agreement, CytoSorbents and Fresenius agreed to jointly market CytoSorb to Fresenius’ critical care customer base in all countries where CytoSorb is being actively commercialized. CytoSorb will continue to be sold by our direct sales force or through our international network of distributors and partners, while Fresenius sells all ancillary products to their customers. Fresenius further agreed to provide written endorsements of CytoSorb for use with their multiFiltrate and multiFiltratePRO acute care dialysis machines that can be used by us and our distribution partners to promote CytoSorb worldwide. Training and preparation for this co-marketing program began in five initial countries in 2017 and is continuing, with implementation of the co-marketing program in additional countries planned for the future.

Terumo Cardiovascular Group

In September 2016, we entered into a multi-country strategic partnership with Terumo Cardiovascular Group (“Terumo”) to commercialize CytoSorb for cardiac surgery applications. Under the terms of the agreement, Terumo has exclusive rights to distribute the CytoSorb CPB procedure pack for intra-operative use during cardiac surgery in France, Sweden, Denmark, Norway, Finland and Iceland. Terumo launched CytoSorb in its six exclusive countries in December 2016.

Dr. Reddy’s

In March 2017, we entered into a partnership with Dr. Reddy’s Laboratories Ltd. (“Dr. Reddy’s”) for the South African market. Under the terms of the agreement, Dr. Reddy’s has the exclusive right to distribute CytoSorb for intensive care, cardiac surgery, and other hospital applications in South Africa. This is a multi-year agreement and is subject to annual minimum purchases of CytoSorb to maintain exclusivity.

University of Pittsburgh Medical Center

Two government research grants by the National Institutes of Health (“NIH”) and the U.S. Department of Health and Human Services were awarded to investigators at the University of Pittsburgh to explore the use of adsorbent polymers in the treatment of sepsis and organ transplant preservation. Under “Sub Award Agreements” with the University of Pittsburgh, we developed polymers for use in these studies.

A grant of $1 million was awarded to the University of Pittsburgh Medical Center in 2003. The project sought to improve the quantity and viability of organs donated for transplant by using CytoSorb to detoxify the donor’s blood. The observational and dosing phases of the study, involving 30 viable donors and eight non-viable donors, respectively, have been completed. The next phase of this study, the treatment phase, was planned to involve viable donors. However, we are not currently focusing our efforts on the commercialization of CytoSorb for application in organ donors.

In September 2005, the University of Pittsburgh Medical Center was awarded a grant of approximately $7 million from NIH entitled “Systems Engineering of a Pheresis Intervention for Sepsis (SEPsIS)” to study the use of adsorbent polymer technology in the treatment of severe sepsis. The study, which lasted for a total of five years, commenced in September 2005. Under a SubAward Agreement, we worked with researchers at the University of Pittsburgh - Critical Care Medicine Department. We believe that the only polymers used in this study were polymers we have developed specifically for use in the study, which are similar to the polymers used in our devices. Under the SubAward Agreement, for our efforts in support of the grant during 2006 through 2010, we received approximately $402,000.

These grants represent a substantial research cost savings to us and demonstrate the strong interest of the medical and scientific communities in our technology.

Researchers at UPMC have participated in nearly every major clinical study of potential sepsis intervention during the past twenty years. Drs. Derek Angus and John Kellum were investigators for Eli Lilly’s sepsis drug, Xigris®. Dr. Kellum, a member of the UPMC faculty since 1994, is the Chairman of our Severe Sepsis and Inflammatory Disease Advisory Board. Dr. Kellum’s research interests span various aspects of Critical Care Medicine, but center on critical care nephrology (including acid-base, and renal replacement therapy), sepsis and multiple organ failure, and clinical epidemiology. He is Professor and Vice Chair for Research in the Critical Care department, and Director of the Center for Critical Care Nephrology(“CRISMA”) at the University of Pittsburgh Medical Center,and has authored more than 400 publications and has received numerous research grants from foundations and industry.

Advisory Boards

From time to time our management meets with scientific advisors who sit on our Scientific Advisory Board, our Medical Advisory Board – Critical Care Medicine, our Medical Advisory Board – Chronic Kidney Failure / Dialysis and our Scientific Advisory Board – Cardiac Surgery.

Our Scientific Advisory Board consists of three scientists with expertise in the fields of fundamental chemical research, and polymer research and development.

Our Sepsis Advisory Board consists of four medical doctors, one of whom is affiliated with UPMC, with expertise in critical care medicine, sepsis, multiple organ failure and related clinical study design.

Our Trauma Advisory Board consists of four medical doctors with expertise in trauma, burn injury and critical care medicine.

Our Cardiac Surgery Advisory Board consists of seven medical doctors with experience in cardiac surgery and complications caused by inflammation generated by the surgery.

We compensate members of our Advisory Boards at the rate of $2,000 for each full-day meeting they attend in person; $1,200 if attendance is by telephone. When we consult with members of our Advisory Board (whether in person or by telephone) for a period of less than one day, we compensate them at the rate of $200 per hour. We also reimburse members of our Advisory Boards for their travel expenses for attending our meetings.

Royalty Agreements

With Principal Stockholder

In August 2003, in order to induce Guillermina Vega Montiel, a principal member of RenalTech International, LLC at the time, to make a $4 million investment in RenalTech International, LLC, we granted Ms. Montiel a perpetual royalty equal to three percent of all gross revenues received by us from sales of CytoSorb in the applications of sepsis, cardiopulmonary bypass surgery, organ donor, chemotherapy and inflammation control. In addition, for her investment, Ms. Montiel received 1,230,770 membership units of RenalTech International, LLC. Such membership units ultimately were converted into and became 7,420 shares of our common stock following our June 30, 2006 merger. For the year ended December 31, 2017 we have recorded royalty costs of approximately $393,000.

With Purolite

In 2003, Purolite filed a lawsuit against us asserting, among other things, co-ownership and co-inventorship of certain of our patents. On September 1, 2006, the United States District Court for the Eastern District of Pennsylvania approved a Stipulated Order and Settlement Agreement under which we and Purolite agreed to the settlement of the action. The Settlement Agreement provides us with the exclusive right to use our patented technology and proprietary know how relating to adsorbent polymers for a period of 18 years. In particular, the Settlement Agreement relates to several of our issued patents and several of our pending patent applications covering our biocompatible polymeric resins, our methods of producing these polymers, and the methods of using the polymers to remove impurities from physiological fluids, such as blood.

Under the terms of the Settlement Agreement, we have agreed to pay Purolite royalties of 2.5% to 5% on the sale of those of our products, if and when those products are sold commercially, that are used in direct contact with blood or, in certain cases, in direct contact with a physiological fluid other than blood. The royalty payments provided for under the Settlement Agreement would apply to our currently envisioned CytoSorb, VetResQ, and BetaSorb products. For the year ended December 31, 2017 per the terms of the license agreement we have recorded royalty costs of approximately $655,000.

Following the expiration of the 18 year term of the Settlement Agreement, the patents and patent applications that are the subject of the Settlement Agreement should have expired under current patent laws, and the technology claimed in them will be available to the public. However, following such time, we would continue to exclusively own any confidential and proprietary know how.

Product Payment & Reimbursement

CytoSorb

Germany

Effective January 1, 2017, we achieved a permanent dedicated reimbursement code in Germany that will provide for specific and enhanced reimbursement for our CytoSorb device. We believe that this dedicated reimbursement code will provide our customers with a path to negotiate higher reimbursement that not only covers the cost of the device, but the procedural costs as well. Reimbursement can also be covered by the standard “diagnosis related group” (“DRG”) acute care reimbursement. Under this system, hospitals would purchase CytoSorb and subtract the cost from a pre-determined lump-sum payment made by the payor to the hospital based on the patient’s diagnosis.

Europe (excluding Germany)

Payment for our CytoSorb device for the removal of cytokines in patients with life-threatening illnesses is country dependent in Europe. We are pursuing reimbursement of CytoSorb in other major territories, with our partners, such as France, England, Italy and Spain, representing the other four economic leaders in Europe. There can be no assurances that reimbursement will be granted or that additional clinical data may not be required to establish reimbursement.

United States

Critical care applications such as those targeted by our CytoSorb device involve a high mortality rate and extended hospitalization, coupled with extremely expensive ICU time. In view of these high costs and high mortality rates, we believe acceptance of our proprietary technology by critical care practitioners and hospital administrators will primarily depend on safety and efficacy factors rather than solely based on cost.

CytoSorb is not yet approved in the U.S., and we have not fully accessed the potential for reimbursement for the device. Payment for our CytoSorb device in the U.S. for the treatment and prevention of sepsis and other related acute care applications is anticipated to fall under the DRG prospective repayment system, which is currently the predominant inpatient hospital reimbursement methodology in the U.S. Under this system, hospital reimbursement is generally based upon pre-determined amounts payable for specific diagnoses (e.g. septic shock with respiratory failure), regardless of the number of services provided during the patient’s stay. If CytoSorb can improve outcomes and reduce the costs of ICU treatment and hospital length of stay, it could potentially save hospitals a significant amount of money.

Competition

General

We believe that our products represent a unique approach to disease states and health complications associated with the presence of larger toxins (often referred to as middle molecular weight toxins) in the bloodstream, including sepsis, acute respiratory distress syndrome, trauma, severe burn injury, pancreatitis, post-operative complications of cardiac surgery, damage to organs donated for transplant prior to organ harvest, and renal disease. Researchers have explored the potential of using existing membrane-based dialysis technology to treat patients suffering from sepsis. These techniques are unable to effectively remove the middle molecular weight toxins. We have demonstrated the ability of CytoSorb to reduce key cytokines in the blood of human patients with predominantly septic shock and acute respiratory distress syndrome. In a post-hoc subgroup analysis of our European Sepsis Trial, we have also demonstrated statistically significant improvements in mortality in patients at high risk of death, including patients with either very high cytokine levels or patients older than age 65, both of which have a high predicted mortality. Larger studies are needed to confirm these preliminary data.

The CytoSorb, VetResQ, CytoSorb XL, DrugSorb, ContrastSorb, and BetaSorb devices consist of a cartridge containing adsorbent polymer beads. The cartridge incorporates industry standard connectors at either end of the device which connect directly to an extra-corporeal circuit (bloodlines) on a standalone basis. The extra-corporeal circuit consists of plastic tubing through which the blood flows, our cartridge containing our adsorbent polymer beads, pressure monitoring gauges, and a blood pump to maintain blood flow. The patient’s blood is accessed through a catheter inserted into his or her veins. The catheter is connected to the extra-corporeal circuit and the blood pump draws blood from the patient, pumps it through the cartridge and returns it back to the patient in a closed loop system. As blood passes over the polymer beads in the cartridge, toxins are adsorbed from the blood, without removing any fluids from the blood or the need for replacement fluid or dialysate.

There are three common forms of blood purification, including hemodialysis, hemofiltration, and hemoperfusion. All modes are generally supported by standard hemodialysis machines. All take blood out of the body to remove toxins and unwanted substances from blood, and utilize extracorporeal circuits and blood pumps. Dialysis and hemofiltration remove substances from blood by diffusion and ultrafiltration, respectively, through a semi-permeable membrane, allowing the passage of certain sized molecules across the membrane, but preventing the passage of other, larger molecules. Hemoperfusion utilizes solid or porous sorbents to remove substances based on pore capture and surface adsorption, not filtration.

CytoSorb is a hemoperfusion cartridge, using an adsorbent of specified pore size, which controls the size of the molecules which can pass into the adsorbent and vastly increases the area available for surface adsorption. As blood flows over our polymer adsorbent, middle molecules such as cytokines flow into the polymer adsorbent and are adsorbed. Our devices do not use semipermeable membranes or dialysate. In addition, our devices do not remove fluids from the blood like hemodialysis or hemofiltration. Accordingly, we believe that our technology has significant advantages as compared to traditional dialysis techniques, including ease of use.

Our HemoDefend platform is a development-stage technology utilizing a mixture of proprietary porous polymer beads that target the removal of contaminants that can cause transfusion reactions or cause disease in patients receiving transfused blood products. The HemoDefend beads can be used in multiple configurations, including the common in-line filter between the blood bag and the patient as well as a unique, patent-pending “Beads in a Bag” treatment configuration, where the beads are placed directly into a blood storage bag.

Sepsis

Researchers have explored the potential of using existing membrane-based dialysis technologies to treat patients suffering from sepsis. These techniques are unable to effectively remove middle molecular weight toxins, which leading researchers have shown to cause and complicate sepsis. The same experts believe that a blood purification technique that efficiently removes, or significantly reduces, the circulating concentrations of such toxins might represent a successful therapeutic option. CytoSorb has demonstrated the ability to remove middle molecular weight toxins, such as cytokines, from circulating blood in a statistically significant manner.

Medical research during the past two decades has focused on drug interventions aimed at chemically blocking or suppressing the function of one or two inflammatory agents. In hindsight, some researchers now believe this approach has little chance of significantly improving patient outcomes because of the complex pathways and multiple chemical factors at play. Clinical studies of these drug therapies have been largely unsuccessful. An Eli Lilly drug, Xigris®, cleared by the FDA in November 2001, is the first and only drug to be approved for the treatment of severe sepsis. Clinical studies demonstrated that use of Xigris® resulted in an average absolute 6% reduction in 28-day mortality, and an absolute 13% reduction in 28-day mortality in the most severe sepsis patients. The drug remains controversial and is considered expensive when compared to the percentage of patients who benefit. In 2011, after completing a follow up study required by the FDA, it was subsequently determined that Xigris® does not have a statistically significant mortality benefit, and in October 2011, Eli Lilly withdrew Xigris® from all markets worldwide.

Development of most other experimental therapies has been discontinued, including Eritoran from Eisai, CytoFab from BTG/Astra Zeneca, Talactoferrin from Agennix, and others. There are few therapies in current late-stage development. In April 2015, Leading Biosciences began a 260 patient randomized, controlled Phase 2 clinical SSAIL trialthiamine in septic shock patients using its investigational orally administered drug, LB1148, also known as tranexemic acid. Tranexemic acid is a serine protease inhibitor, designed to inhibit digestive enzymes and preserve and promote healing of the intestine’s mucosal barrier, with the goal of preventing the escape of potent digestive enzymes into the blood, which could exacerbate sepsis. Leading Biosciences expected completion of the trial in December 2016, but according to clinicaltrials.gov, discontinued the study due to low enrollment.

Currently, there are two late stage trials ongoing. In November 2012, an 800 patient Phase III randomized controlled study began for Recomodulin (ART 123, Artisan/Asahi Kasei), a recombinant human thrombomodulin, for the treatment of septic patients with coagulopathy. In mid-2013, following an interim analysis of safety data, the DSMB recommended that the trial continue. The primary completion date of the trial was expected to be March 2015, however, based on a January 2018 clinicaltrials.gov update, the trial is still enrolling patients and is expected complete in July 2019. Recomodulin has been approved in Japan since 2009 for the treatment of disseminated intravascular coagulation, a late complication of sepsis, at a cost of $5,800 per treatment. Although it has other activity, it works primarily by a similar anticoagulant mechanism to Xigris. Because of this, it has only demonstrated a limited mortality benefit, in earlier studies (~9%: 34.6% control vs 26% treatment), similar to that seen in Xigris’ initial PROWESS Trial (~6%: 31% control vs 25% treatment) and is unlikely to have greater benefit in larger scale studies. However, if this product is successful, it would represent a competitive, although potentially complementary, therapeutic approach to CytoSorb.

Atox Bio is a development stage company in clinical studies with peptide therapeutics that are designed to prevent superactivation of the immune response by certain toxins such as toxic shock syndrome toxin. It is currently focused on necrotizing soft tissue infections. The investigational peptide, AB103 or Reltecimod, is being evaluated in the ACCUTE Trial, a Phase 3 randomized controlled trial in 40 investigative sites in the U.S in 290 patients with necrotizing soft tissue infections. Primary outcomes include 28-day survival, amputation, and reduction in the modified sequential organ failure assessment score. According to clinicaltrials.gov, the estimated study completion date is March 2019. If this product is successful, it would represent a competitive, although potentially complementary, therapeutic approach to CytoSorb.

patients.

Using a medical device to treat sepsis remains a relatively novel treatment approach. Toray Industries currently markets an endotoxin removal cartridge called Toraymyxin™ for the treatment of sepsis in Europe, Japan, and 16 other countries, but is not yet approved in the United States. To date, it has been used in more than 100,000 treatments since 1994. Toraymyxin does not directly reduce cytokines. Spectral Medical Inc. has obtained exclusive development and commercial rights in the U.S. for Toraymyxin, with plans to combine the use of its endotoxin activity assay to create a theranostic product. Spectral is collaboratingcollaborated with Toray on the EUPHRATES trial, combining an endotoxin assay with extracorporeal endotoxin removal by Toraymyxin, a polymyxin-B immobilized polystyrene fiber cartridge. The study began in June 2010 and is still enrolling patients. Endotoxemia is a result of Gram negative sepsis, which only accounts for 45% of cases of sepsis. It is a potent stimulator of cytokine storm. However, all anti-endotoxin strategies have failed pivotal studies to date, believed to be the result of intervening too late in the sepsis cascade. The original trial was designed as a randomized control trial in 360 patients with septic shock and high endotoxin levels (≥ 0.60 EAA units) as confirmed by Spectral’s EAA. In a second interim analysis finalized in April 2014, following the enrollment of 184 patients with 28-day follow-up, the DSMB recommended that the trial continue. However, the expected trial size was increased to 650 patients and the exclusion criteria was modified to only accept sicker patients with a multiple organ dysfunction syndrome score greater than 9. In September 2015, Spectral reported that the composite mortality in the new subgroup had risen to ~50%, from ~30% previously. New statistical analysis on patients in the new subgroup, and comparable patients in a European treatment registry, led to a sample size recalculation of 446 evaluable patients. Spectral announced in June 2016 that they had completed enrollment forAs noted above, the EUPHRATES trial. In October 2016,trial failed to demonstrate its primary endpoint. Spectral announced top-line results thatis now pursuing an amendment to the EUPHRATES trial, did not meet the main goal of absolute reduction in 28 day all-cause mortality, but reiterated safety of treatment and potential benefit in the sickest group of patients (multiple organ dysfunction score > 9).called TIGRIS. There have been now several large scale studies failing to demonstrate a benefit of Toraymyxin on 28-day mortality in sepsis. Toraymyxin represents a competitive, although potentially complementary, therapeutic approach to CytoSorb.

In September 2017, Baxter re-launched oXiris in the E.U., a hollow-fiber acrylonitrile and methalylsulfonate (AN69) membrane hemofilter coated with polyethyleneimine (PEI) that was originally launched by Gambro in 2009 for use in hemodialysis as a strategy to treat acute kidney injury and gram negative septic shock while reducing endotoxin. The filter itself has not changed. However, Baxter has expanded the label to now include reduction of cytokines based on a set of in vitro experiments evaluating cytokine reduction from recirculating plasma over two hours. In December 2018, Baxter began a 40 patient randomized, controlled trial, called ECRO, evaluating the effect of endotoxin and cytokine (IL-6) removal during continuous hemofiltration with oXiris in patients with septic shock due to peritonitis, as compared to a standard polysulfone filter. The estimated study completion date is March 2022. In 2020, oXiris received FDA Emergency Use Authorization for use in adult critically ill COVID-19 patients in imminent or confirmed respiratory failure.  In October 2020, results from 4 hospitals on 37 patients from its OxirisNet Registry in the journal, Critical Care.  

Mortality was 66.6% in patients receiving oXiris treatment after 14 days from admission, and a mortality of 47.4% mortality when used earlier. In addition, Baxter also launched the Theranova mid-molecular weight cutoff or high retention onset (HRO) hemodialysis membrane to improve the efficiency of hemodialysis, claiming improved mid-molecular weight substance removal. Neither oXiris nor Theranova are approved in the U.S.

Each of the following technologies claims to remove inflammatory mediators such as cytokines, or to treat sepsis, and represents a potential competitive alternative to CytoSorb. However, to our knowledge, none of these technologies are approved in the U.S. and none are approved in the European Union to reduce cytokines.

Toray markets its Hemofeel CH1.0 polymethylmethacrylate membrane (“PMMA”) in Japan and it has been used in several non-controlled, or historically controlled, clinical or case studies treating patients with sepsis, acute respiratory distress syndrome and pancreatitis. We are not aware of any prospective, randomized controlled studies using this PMMA hemofilter in patients with sepsis. Without such studies, it is difficult to assess the true impact of this technology in these conditions. Gambro AB launched its Prismaflex eXeed system in August 2009 and introduced the SepteX high molecular weight cutoff hemodialyzer in Europe, intended to treat patients with acute renal failure and the removal of inflammatory mediators from blood. Gambro also launched the oXiris dialyzer, based upon the AN60AN69 CRRT membrane, to bind endotoxin. To our knowledge, neither are specifically approved for the treatment of sepsis. In September 2013, Baxter International, Inc. acquired Gambro AB. In September 2017, Baxter re-launched the oXiris membrane-based hemofilter for use in continuous renal replacement therapy as a strategy to treat acute kidney injury while reducing cytokines and endotoxin. The filter itself has not changed. In addition, Baxter also launched the Theranova mid-molecular weight cutoff or high retention onset (HRO) hemodialysis membrane to improve the efficiency of hemodialysis, claiming improved mid-molecular weight substance removal. Neither oXiris nor Theranova are approved in the U.S. Fresenius had launched a high molecular weight cut off filter in response to SepteX called the Ultraflux EMiC2. To our knowledge, there has been a lack of published data on the treatment of sepsis with these devices. Bellco S.R.L, acquired by Medtronic in February 2016, also sells the CPFA (coupled plasma filtration and adsorption) system in Europe. This uses a sorbent cartridge to remove cytokines from plasma. However, because the sorbent cannot treat blood directly, it requires the cost and complexity of an additional plasma separator to treat blood. ThisIn April 2018, Medtronic issued a field safety notice informing all users of CPFA that the COMPACT-2 study using CPFA in septic shock patients was terminated early due to observed higher mortality rates in septic shock patients receiving CPFA therapy compared to patients receiving standard care. The CPFA system is similar to the I.M.P.A.C.T. System being currentlythat was commercialized outside of the U.S. by Hemolife Medical Inc. that requires a three-cartridge system and a proprietary blood pump. According toIn 2018, Hemolife the product is in product registration in 32 countries with initial shipments to the EU and Asia Pacific in process.Medical filed for Chapter 11 bankruptcy. We believe that CytoSorb, which can treat whole blood directly, and which works with standard hemodialysis pumps already found in hospitals worldwide, has significant competitive advantages compared to these multi-cartridge sorbent systems.

Kaneka Corporation currently markets Lixelle™, a modified porous cellulosic bead, for the removal of beta₂ –microglobulin–microglobulin during hemodialysis in Japan. Lixelle has been used in several small human pilot studies including a 5 patient pilot study in 2002 and a 4 patient pilot study in 2009. Though these studies correlate Lixelle use with cytokine reduction, they are not randomized, controlled studies and so do not control for natural cytokine clearance. To our knowledge, no large, randomized, controlled trials have been conducted with Lixelle as a treatment for sepsis. Kaneka obtained U.S. humanitarian device exemption for Lixelle in March 2015, but is restricted to treating amyloidosis in chronic dialysis patients. Kaneka has since developed a modified cellulosic resin called CTR that can also remove cytokines from experimental pre-clinical systems. In 2009, CTR was used in an 18-patient randomized, controlled trial in patients with septic shock with undisclosed improvements in APACHE II scores and IL-6 and IL-8. To our knowledge, Kaneka has not conducted or published any other study using CTR to treat human sepsis patients since then. To our knowledge, none of the following technologies are approved in the U.S. and none are approved for cytokine reduction or as a therapy to treat sepsis in the EU. Jafron Biomedical is an integrated dialysis public company in China selling dialysis machines and hemodialysis and hemoperfusion cartridges containing a neutral microporous adsorption resin to purify blood of toxins in liver failure, critical illness, poisoning, and autoimmune diseases. Jafron is currently recruiting a 144 patient efficacy and safety study in China using its CA330 cartridge to reduce IL-6 in septic patients. The estimated study completion date is October 2020. Foshan Biosun Medical Technology Co, Ltd, and Baihe Medical Technology Co, market hemoperfusion cartridges under the BioSky brand name, including the MG series claiming cytokine reduction, and the DX series for bilirubin reduction. Ube Industries, Ltd iswas currently developing an adsorbent resin called CF-X for the removal of cytokines. To our knowledge, Ube has not published any study using CF-X to treat human sepsis patients. CytoPherx Inc., hashad developed an extracorporeal system based on selective cytapheresis, or the inactivation or removal of activated leukocytes. It was enrolling a 344 patient pivotal trial that began in August 2011 and was expected to be completed by December 2014 in patients with acute kidney injury with or without severe sepsis, on continuous renal replacement therapy with the goal of reducing mortality. This system does not remove cytokines directly, but attempts to reduce the numbers of activated white blood cells that can produce cytokines or cause cell-mediated injury. The status of the trial and the company is unknown.appears to no longer be in business. ExThera Medical Corporation is a privately held company that has developed its Seraph™ (Selective Removal by Apheresis) platform that consists of heparin coated, solid polyurethane beads. Heparin has the ability to bind some, but not all viruses, bacteria, toxins and cytokines. Inin vitro studies using 1 mL of human septic blood, there was no statistically different change in IL-6 or Interferon-gamma compared to control, but effected a ~50% reduction in TNF-alpha. This inability to remove a broad range of cytokines will likely limit its efficacy as a treatment in sepsis. It has repositioned Seraph™ as a pathogen removal technology, and has startedcompleted a human15 patient CE Mark registration trial in Germany evaluating the safety and efficacy of bacterial removal from blood. It received EU CE-Mark approval in the future.July 2019, and established distribution in Germany, Italy and Benelux. In addition, in 2013, it has partnered with BioBridge Global to apply its technology to pathogen reduction in transfused

blood products. In 2020, Seraph received FDA Emergency Use Authorization for use in adult critically ill COVID-19 patients to reduce pathogens and inflammatory mediators from the bloodstream.  Seraph was recently designated by FDA for inclusion into the Expedited Access Pathway (EAP) Program for the specific application of removing drug resistant pathogens from whole blood. Other potential competitors include the now defunct Arbios Systems, Inc. and Hemocleanse Technologies, LLC. We believe our CytoSorb cartridge has significant competitive, technological, and/or economic advantages over systems by these other companies.

Acute Respiratory Distress Syndrome

Treatment of ARDS is predominantly supportive care using supplemental oxygen, careful fluid management, multiple modes of ventilation incorporating the concepts of low tidal volume, high frequency oscillation, and prone ventilation, and extracorporeal membrane oxygenation (“ECMO”). Corticosteroids, nitric oxide, statins, non-steroidal anti-inflammatory drugs, and surfactant therapyAlthough a number of therapies have been tried but are not indicatedsuch as nitric oxide, surfactant therapy, and others, only corticosteroids, such a dexamethasone or methylprednisolone, have demonstrated mortality benefit in patients with ARDS.  For example, in critically ill COVID-19 patients on mechanical ventilation, the RECOVERY study demonstrated use of once daily dexamethasone led to a reduction in mortality from 41.4% control to 29.3% treatment.  

See “Markets:  Acute Respiratory Distress Syndrome” above for the treatment of ARDS. We are not aware of any specific products approved to treat ARDS.a more detailed discussion.

Severe Burn Injury

Modern management of severe burn injury patients involves a combination of therapies. From a burn standpoint, patients undergo active escharotomy and debridement of burns, the use of skin grafts and substitutes, anti-microbial dressings and negative pressure dressings. Tight fluid control, nutrition, prevention of hypothermia and infection are also priorities. Smoke and chemical inhalation injury in burn victims is also common and increasing as a cause of death in severe burn injury. Carbon monoxide and cyanide poisoning is also an issue. Supplemental oxygen, mechanical ventilation, and ECMO are often required and are the mainstay of supportive care treatment. Recently continuous renal replacement therapy has been used to treat patients with acute kidney injury with an improvement in survival compared to a historical control cohort. We believe CytoSorb therapy may yield improved results. We are not aware of any specific products approved to directly address inhalational lung injury or multiple organ failure in severe burn injury.

Trauma

Trauma management initially involves respiratory, hemodynamic and physical stabilization of the patient. However, in the days to weeks that ensue, the focus shifts to preventing or treating organ failure and preventing or treating infection. We are not aware of any specific therapies to prevent or treat multiple organ dysfunction or multiple organ failure in trauma. Rhabdomyolysis, or the breakdown of muscle fibers due to crush injury or other means, occurs in trauma and can lead to acute kidney injury or renal failure. Aggressive hydration, urine alkalinization, and forced diuresis are the main therapies to prevent renal injury. Continuous hemodiafiltration with super-high-flux membranes has demonstrated modest myoglobin clearance but was associated with albumin loss. In general, however, most extracorporeal therapies are not well-suited to remove myoglobin. CytoSorb reduces myoglobin, and other polymers under development, reduces myoglobin, some without significant losses of albumin.

Severe Acute Pancreatitis

Treatment of severe acute pancreatitis is predominantly supportive care focused on aggressive hydration, enteral nutrition and pain control. Mechanical ventilation, hemodialysis and vasopressor use is common in cases of multiple organ failure. In cases where cholelithiasis or other obstruction is the underlying cause of the pancreatitis, endoscopic retrograde cholangiopancreatography and/or stent placement can be used to relieve the obstruction. Antibiotics are often instituted to prevent or treat infection. Surgery is sometimes indicated to remove or drain necrotic or infected portions of the pancreas. To our knowledge, there are no other specific treatments approved to treat severe acute pancreatitis or multiple organ failure that is caused by systemic inflammation in this disease.

Cardiopulmonary Bypass Surgery

There is currently a pre-existing market for the use of leukocyte reduction filters sold by Pall Corporation, Terumo Medical Corporation and others in the cardiopulmonary bypass circuit. The purpose of these devices is to reduce cytokine-producing white blood cells from blood. They do not remove cytokines, free hemoglobin, or activated complement directly and are not considered by many to be an effective solution for the reduction of these substances. WeOther than blood compatible sorbent technologies, we are not aware of any practical competitive approaches for removing cytokines, free hemoglobin, activated complement, and a broad range of other inflammatory mediators in patients undergoing cardiopulmonary bypass during cardiac surgery. To our knowledge, CytoSorb is the onlyleading cytokine reduction therapy capable of being placed directly into a bypass circuit in the heart-lung machine and used during cardiopulmonary bypass without the need for another pump. Modified ultrafiltration is sometimes used after termination of

cardiopulmonary bypass in cardiac surgery to remove excess fluid and inflammatory substances, but has had mixed benefit. Cell saver machines that collect and wash pericardial shed blood is one potential alternative, but is typically done in batches and not a real-time filter during surgery. Alternative therapies such as “off-pump” surgeries are available but “post-bypass” syndrome and cytokine production still remain a problem in this less invasive, but more technically challenging procedure. If successful, CytoSorb is expected to be useful in both on-pump and off-pump procedures. CytoSorb is also being used with a dialysis machine to treat the development of a post-cardiac surgery systemic inflammatory response syndrome, a deadly complication of open heartopen-heart surgery that if left untreated, can lead to multiple organ dysfunction syndrome, multiple organ failure, and potentially death.

Radiocontrast Removal

ContrastSorb has demonstrated the rapid, high efficiency single pass removal of IV contrast. The use of low osmolar IV contrast, oral administration of N-acetylcysteine, and other agents to prevent CIN have demonstrated modest benefit in some clinical studies, but in many cases, the results across studies have been equivocal and inconsistent. Hydration of high risk patients pre-procedure is standard of care but has limited efficacy. PLC Medical Systems, Inc., now Renalguard Solutions, received CE Mark approval for its RenalGuard system in 2007. RenalGuard encourages excretion of IV contrast and a reduction of CIN, by administering IV hydration that matches urine output in patients receiving a loop diuretic. Hemodialysis can remove IV contrast, but is relatively slow (46% at 1 hour, 65% at 2 hours, and 75% at 3 hours) in chronic renal failure patients who lack normal renal clearance. In high risk patients, the rapid and direct removal of IV contrast from the blood with ContrastSorb to prevent CIN represents a potentially more effective alternative.

Drug Removal

Intoxication

Treatment of patients suffering from drug overdose often involves a number of pharmacological treatments and mechanical interventions to detoxify and stabilize the patient. Mechanical interventions include procedures such as orogastricgastric lavage, activated charcoal, whole bowel irrigation and extracorporeal blood purification. Each method has its own limitations, many of which are associated with the timing of administration following overdose. Blood purification with high flux dialyzers or with activated charcoal cartridges by Gambro, Fresenius, Nephros and others are typically efficient at removing hydrophilic drugs that are not protein bound. However, they are inefficient at removing drugs that have a large volume of distribution, or drugs that are hydrophobic or lipophilic. Many drugs of overdose fall into this category. The administration of lipid emulsions, such as Intralipid, have been used with some success to create a depot for lipophilic drugs. Resin based hemoperfusion devices have been used to remove lipophilic drugs that are protein bound, but have historically had issues of biocompatibility. DrugSorb is a highly biocompatible resin-based hemoperfusion device that can remove a wide range of drugs of overdosein vitro very rapidly, with high single pass removal.

Chronic Dialysis

Although standard dialysis treatment effectively removes urea and creatinine from the blood stream (which are normally filtered by functioning kidneys), standard dialysis has not been effective in removing beta₂ -microglobulin toxins from the blood of patients suffering from chronic kidney failure. High flux dialyzers by Gambro, Fresenius, Nephros and others are capable of removing some beta_22--microglobulin.microglobulin. However, we believe our technology would significantly improve clearance of this and other toxins. Kaneka markets Lixelle™, a cellulosic resin, outside the US to remove beta₂-microglobulin in dialysis patients. In March 2015, Lixelle received Humanitarian Device Exemption (“HDE”) approval in the U.S. for the treatment of beta-amyloidosis and removal of beta-microglobulin,beta₂–microglobulin , a complication of chronic dialysis. HDE approval applies to the treatment of diseases with an incidence of less than 8,000 cases a year in the U.S. annually. WeOther than blood compatible sorbents, we know of no other device, medication or therapy considered directly competitive with our technology.

Use for Organ Transplant in Ex Vivo Organ Perfusion Systems or in the Treatment of Organ Dysfunction in Brain-Dead Organ Donors

We are not aware of any directly competitive products to address the application of our technology for the mitigation of organ dysfunction and failure resulting from severe inflammation following brain-death.brain-death, or in the removal of inflammatory mediators during ex vivo organ perfusion

Removal of Anti-thrombotics such as Ticagrelor in Cardiac Patients During Surgery Requiring Cardiopulmonary Bypass

There are more than $20 billion in annual worldwide sales of anti-thrombotic drugs such as the P2Y¹² platelet inhibitors (e.g. clopidogrel, ticagrelor, prasugrel), and the Direct Oral AntiCoagulants (DOAC) comprising of direct thrombin inhibitors (dabigatran), and Factor Xa inhibitors (e.g. apixaban, rivaroxaban, edoxaban).  These are generally used to reduce thromboembolic events in a wide range of applications, including dual anti-platelet therapy in percutaneous coronary intervention and stent placement, myocardial

infarction, stroke, peripheral artery disease, atrial fibrillation, deep vein thrombosis, pulmonary embolus, and others.  For example, ticagrelor (Brilinta®, Astra Zeneca) is a widely-used anti-platelet agent used to decrease cardiovascular risk in patients with acute coronary syndromes or a past history of heart attack. It is also widely used during as part of the dual-anti platelet therapy regimen in patients undergoing percutaneous coronary intervention and stent placement. However, when patients on ticagrelor require emergent or urgent cardiac surgery, up to 65% of patients will have severe or massive peri-operative bleeding complications that contributes to a high risk of morbidity and death and major costs to the healthcare system.

To our knowledge, CytoSorb is the only therapy approved for the removal of ticagrelor and rivaroxaban (Xarelto®, Janssen, Bayer) in the E.U. during cardiopulmonary bypass in urgent or emergent cardiopulmonary bypass.  The only recommended alternative is to wait for 3-5 days to allow natural drug elimination and washout prior to surgery.

CytoSorb has already demonstrated the ability to remove ticagrelor rapidly and efficiently from human blood in vitro.  Meanwhile, a retrospective case series reported by clinicians at Asklepios Klinik St. Georg in Hamburg, Germany on the investigational use of CytoSorb to reverse the effects of ticagrelor and the Factor Xa inhibitor, rivaroxaban, during emergency cardiac surgery demonstrated a greatly reduced risk of bleeding complications and the need for repeat surgery to explore the source of bleeding. Extrapolations of the clinical benefits showed projected cost savings of £3,982, or approximately $5,000 USD, per patient in a U.K. based economics study.  CytoSorb recently received E.U. CE Mark label expansion to remove ticagrelor and rivaroxaban during cardiac surgery involving cardiopulmonary bypass via label expansion of its CE Mark. We are currently executing the Safe and Timely Antithrombotic Removal (STAR) international registry collecting real world evidence in this application and two multicenter prospective single arm studies (TISORB in the UK and CYTATION in Germany) to obtain more country-specific data to support the use of CytoSorb for reduction of peri-operative bleeding complications in urgent or emergent cardiac surgery.

The use of platelet transfusions, Kcentra® (CSL Behring; four factor prothrombin complex concentrate; reversal for warfarin anticoagulation), Andexxa® (recombinant Factor Xa; AstraZeneca; reversal for rivaroxaban and apixaban), Praxbind® (idarucizumab, Boeringer Ingelheim; reversal agent for dabigatran) and other interventions have either not demonstrated consistent benefit, or are not used because of potential safety concerns, in the reversal of antithrombotics in the setting of cardiopulmonary bypass.  

PhaseBio, a clinical-stage biopharmaceutical company, has licensed an intravenously administered monoclonal antibody fragment with high affinity for ticagrelor called bentracimab (PB2452) from Medimmune, a division of AstraZeneca. The company paid AstraZeneca $100,000 upfront, with $68 million in potential future milestones.  AstraZeneca owns approximately 5% of PhaseBio’s stock. PB2452 is a novel reversal agent for the antiplatelet drug ticagrelor, which was developed for the treatment of patients on ticagrelor who are experiencing a major bleeding event or those who require urgent surgery. The FDA granted Breakthrough Therapy designation for PB2452 in April 2019. PhaseBio is seeking US FDA approval of PB2452 in the United States through an accelerated approval process.

PhaseBio is currently conducting a U.S. Phase 2b clinical study evaluating the safety and efficacy of PB2452 in approximately 200 healthy volunteers aged 50-80.  Patients receive loading with dual anti-platelet therapy consisting of aspirin and ticagrelor in the U.S. and will be evaluated on the ability of PB2452 to reverse platelet dysfunction. PhaseBio has also launched its REVERSE-IT (Rapid and SustainEd ReVERSal of TicagrElor – Intervention Trial) study, a Phase 3, multi-center, open-label, prospective single-arm trial designed to study reversal of the antiplatelet effects of ticagrelor with bentracimab in patients who present with uncontrolled major or life-threatening bleeding or who require urgent surgery or invasive procedure. Approximately 200 adult patients, within 72 hours of ticagrelor intake who require urgent reversal of the antiplatelet effects of ticagrelor, are being targeted to be enrolled from centers in the U.S. and worldwide. Patients with reported use of ticagrelor within the prior 3 days who require urgent ticagrelor reversal are eligible for enrollment. Patients receive an intravenous (IV) infusion comprised of an initial IV bolus of 6 grams (g) infused over 10 minutes for rapid reversal, followed immediately by a 6g IV loading infusion over 4 hours and then a 6 g IV maintenance infusion over 12 hours. In January 2021, PhaseBio expanded the study to include patients in the European Union.  The primary endpoints of the study are: 1) reversal of platelet inhibition 2) Major life-threatening bleeding and 3) achievement of hemostasis in urgent surgery or invasive procedures.  Bentracimab is not yet approved in any market.

Based on feedback from the FDA, PhaseBio intends to submit a Biologics License Application, or BLA, for potential accelerated approval based on an interim analysis of the first approximately 100 patients treated in their Phase 3 trial, with approximately 50 subjects from each of the major bleeding and surgical populations. To support full approval for patients with major bleeding or requiring urgent surgery, the FDA recommended enrollment of 200 total patients in the Phase 3 trial. For post-approval commitments, the FDA recommended the completion of the remaining portions of the Phase 3 trial and the establishment of post-approval registry.  

Meanwhile, Andexxa is a Factor Xa analog that competes for binding to Factor Xa inhibitors. Due to the short duration of action, pro-thrombotic effect, and very high cost, it is not indicated to reduce the risk of perioperative bleeding in cardiac surgery.  

CytoSorb has demonstrated very efficient removal of all the major drugs of the DOAC category in clinical use today including rivaroxaban (Xarelto®; Bayer, Janssen), apixaban (Eliquis®, Bristol-Myers Squibb), edoxaban (Savaysa®, Daiichi-Sankyo) and dabigatran (Pradaxa®, Boehringer Ingelheim).

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We believe that CytoSorb represents a more cost-effective, readily available, and easy to implement solution for ticagrelor or DOAC reversal in cardiac surgery than these biologic alternatives.

HemoDefend Purification Technology Platform for Transfused Blood Products

There are only a few directly competitive approved products to address the removal of substances from blood and blood products that can cause transfusion reactions. Leukoreduction (Pall Corporation,(Haemonetics, Terumo-BCT, Hemerus Corporation, others) is widely used in transfusion medicine and can remove the majority of white cells that can produce new cytokines but cannot eliminate those cytokines already in blood, and cannot otherwise remove other causative agents. Automated washing of pRBC is very effective at cleansing contaminants from blood, but is impractical due to the time, cost, materials, and logistics of washing each unit of blood and is not widely used. Blood filters that utilize affinity technologies are in development to remove certain substances such as antibodies from blood, but have other issues, such as cost and concern about the stability or leachability of the affinity technology. The HemoDefend platform represents a potentially superior alternative to these methods, as it can provide comprehensive removal of a wide variety of contaminants that can trigger transfusion reactions without washing blood, requires no additional equipment, energy source, or manipulation, and can be incorporated directly into the blood storage bag or used as an in-line blood filter.

Clinical Studies

Our first clinical studies were conducted in patients with chronic renal failure. The health of these patients is challenged by high levels of toxins circulating in their blood but, unlike sepsis patients, they are not at imminent risk of death. The toxins involved in chronic renal failure are generally different from those involved in sepsis, eroding health gradually over time. The treatment of patients with chronic renal failure is a significant target market for us, although not the current focus of our efforts and resources. Our clinical studies and product development work in this application functioned to obtain safety and instrument data without the need to put the patient at additional risk (e.g. placing a new temporary dialysis catheter), with direct benefit to the development of the critical care applications on which we are now focusing our efforts.

We are focusing our research efforts on critical care and cardiac surgery applications of our technology.

Sepsis

Critical Care

In 2011, the CytoSorb filteradsorber received EU regulatory approval under the CE Mark as an extracorporeal cytokine filter to be used in clinical situations where cytokines are elevated. As part of the CE Mark process, in 2011 we completed our randomized, controlled, European Sepsis Trial amongst 14 trial sites in Germany, in 2011, with enrollment of 100 patients with sepsis and respiratory failure. The trial established that CytoSorb was sufficiently safe in this critically illcritically-ill population to support the CE mark and published in PLOS ONE. In the European Sepsis Trial, the treatment was well-tolerated with no serious device related adverse events reported. The trial also demonstrated the ability of CytoSorb to reduce cytokines such as IL-6 from the blood of septic patients such as IL-6.patients. The trial was not powered to demonstrate significant reduction in other clinical endpoints such as mortality.

In September 2019, a new publication entitled, "Hemoadsorption with CytoSorb showed a decreased observed versus expected 28-day all-cause mortality in ICU patients with septic shock: a propensity-score-weighted retrospective study," in the journal Critical Care. In this study, clinical researchers at Maasstad Hospital and at Erasmus University Medical Center in Rotterdam, Netherlands conducted a retrospective evaluation of 116 patients with septic shock, who required vasopressors to increase their blood pressure, and renal replacement therapy (RRT) due to kidney failure.  Of these, 49 patients received standard of care therapy, and 67 were treated with standard of care plus CytoSorb. Both groups were compared by stabilized Inverse Probability of Treatment Weights (sIPTW) to overcome baseline differences in the type of sepsis, age, comorbidities, surgery vs no surgery, Sequential Organ Failure Assessment (SOFA) score, use of the vasopressor noradrenaline, and lactate levels. Patients treated with standard of care and CytoSorb had a statistically significant reduction in 28-day all-cause mortality compared to standard of care alone (53% vs 72% control, p<0.04), based on the sIPTW analysis. In addition, observed 28-day all-cause mortality in the CytoSorb treatment group was significantly lower than the predicted mortality (48% observed vs 75% predicted, p<0.001), based on SOFA score.

In April 2020 the FDA granted Emergency Use Authorization for CytoSorb use in critically ill COVID-19 patients treated in the ICU. The company is conducting the CytoSorb Therapy in COVID-19 (CTC) Registry to systematically capture high fidelity data from U.S.institutions using CytoSorb under the EUA.

Cardiac Surgery

In February 2015, the FDAU.S. Food and Drug Administration (the “FDA”) approved our IDEInvestigational Device Exemption (“IDE”) application to commence a planned U.S. cardiac surgery feasibility study called REFRESH I (REduction of FREe Hemoglobin) amongst 20 patients and three U.S. clinical sites. The FDA subsequently approved an amendment to the protocol, expanding the trialstudy to be a 40 patient40-patient randomized controlled study (20 treatment, 20 control) in eight clinical centers. REFRESH I representsrepresented the first part of a larger clinical trial strategy intended to support the approval of CytoSorb in the U.S. for intra-operative use during cardiac surgery.

The REFRESH I study was designed to evaluate the safety and feasibility of two CytoSorb whendevices  used intra-operatively inwith a heart-lung machine to reduce plasma free hemoglobin (pfHb) and cytokines in patients undergoing complex cardiac surgery.  The study was not powered to measure effect on clinical outcomes. The length, complexity and invasiveness of these procedures cause hemolysis and inflammation, leading to high levels of plasma free hemoglobin, cytokines, activated complement, and other substances.  These inflammatory mediators are correlated with the incidence of serious post-operative complications such as kidney injury, renal failure and other organ dysfunction.  The goal of CytoSorb is to actively remove these inflammatory and toxic substances as they are being generated during the surgery and reduce complications. Enrollment was completed with 46 patients. A total of 38 patients were evaluable for pfhBpfHb and completed all aspects of the study.

The primary safety and efficacy endpoints of the study were the assessment of serious device related adverse events and the change in plasma free hemoglobin levels, respectively. On October 5, 2016, we announced positive top-line safety data. In addition, following a detailed review of all reported adverse events in a total of 46 enrolled patients, the independent DSMBData Safety Monitoring Board (“DSMB”) found no serious device related adverse events with the CytoSorb device, achieving the primary safety endpoint of the trial.study. In addition, the therapy was well-tolerated and technically feasible, implementing easily into the cardiopulmonary bypass circuit without the need for an additional external blood pump. ThisThe REFRESH I study representsrepresented the first randomized controlled trialstudy demonstrating the safety of intra-operative CytoSorb use in patients undergoing high risk cardiac operations.

Investigators of the REFRESH I trialstudy submitted an abstract with data, including free hemoglobin data, from the REFRESH I trialstudy which was selected for a podium presentation at the American Association of Thoracic Surgery conference on May 1, 2017. On May 5, 2017, we announced additional REFRESH I data, including data from the study on the reduction of pfHb and activated complement, and disclosed that investigators ofin May 2019, the study have submitted a manuscript of the REFRESH I trial for publication.study was electronically published in the journal, Seminars in Thoracic and Cardiovascular Surgery.

In December 2017, the FDA approved our IDE application for our REFRESH 2 study. The REFRESH 22-AKI study, is apermitting us to conduct this pivotal trialstudy designed to provide the key safety and efficacy data needed to support United States regulatory approval for the use of CytoSorb in cardiac surgery, which we are planningplan to pursue via the premarket approval (PMA) pathway.  The IDE approval allows us to aggressively move forward with our clinical trial sites to complete the final steps prior to the official start of the study. The REFRESH 2 pivotal2-AKI study will assess the effectiveness of intraoperative CytoSorb blood treatment on postoperative acute kidney injury (AKI), the primary endpoint of the study and one of the most common adverse events in patients undergoing complex cardiac surgery. The REFRESH 2 trial is a randomized, controlled, multi-center, clinical trialstudy designed to evaluate intraoperative use of two CytoSorb usedevices as a therapy to reduce the incidence and severity of AKI, as measured by Kidney Disease Improving Global Outcomes (KDIGO) criteria, following complex cardiac surgery.  Postoperative AKI following cardiac surgery is common and is associated with higher mortality, and is a risk factor for developing chronic kidney disease requiring hemodialysis in the future.   The trialstudy will enroll up to 400 patients at increased risk of cardiovascular surgery associatedsurgery-associated AKI, undergoing elective, non-emergent open heartopen-heart surgery for either valve replacement, or aortic reconstruction with hypothermic cardiac arrest. In April 2018, we announced the first patient enrollment into the pivotal U.S. REFRESH 2-AKI study. Based on the recommendations of key clinical advisors, a protocol amendment was submitted to the FDA on July 19, 2018 to improve operational aspects of the patient screening process and expand the inclusion criteria.  It was the preference of clinical trial sites to defer enrollment until the amendment was approved by the FDA, announced in September 2018.  On November 25, 2019 the Company announced a pause in enrollment for the REFRESH 2-AKI study. The study’s Data Monitoring Committee (the “DMC”) recommended this pause following a blinded, interim, milestone review of clinical study data.  The DMC requested that additional clinical data and data analysis, not pre-specified in the current version of the protocol, be provided by Company.  In addition, the Company appointed NAMSA as the new contract research organization (“CRO”) for the study to improve the monitoring of patient safety endpoints. As of November 25, 2019, the study had enrolled 153 patients at 25 initiated sites. Since then, the Company and its new CRO have completed a comprehensive program to re-monitor existing data, collect new data, and analyze the safety data from the 153 patients included in the trial to date.  These data were reviewed by the DMC resulting in a favorable opinion on safety, dated July 24, 2020, and the recommendation to resume the trial with only minor modifications.The Company has initiated discussions with previous trial sites that participatedbeen undertaking multiple activities in preparation to resume the study, which is planned in the REFRESH Ifirst half of 2021, notwithstanding potential COVID-19 related delays. If the study is successful, we plan to submit a PMA application to the FDA in 2023 for U.S. regulatory approval.

In October 2019, CytoSorbents initiated TISORB (Ticagrelor CytoSorb Hemoadsorption), a Company-sponsored, multi-center single arm study in the United Kingdom to prospectively evaluate the removal of ticagrelor during cardiopulmonary bypass in patients on ticagrelor undergoing emergent cardiothoracic surgery. A protocol amendment was submitted to expand the population of eligible patients to now include patients requiring urgent cardiac surgery. These changes were approved by the UK Medicines and Healthcare products Regulatory Agency (MHRA) at the end of February 2020.   In December 2020, CytoSorbents initiated CYTATION (CytoSorb Ticagrelor Hemoadsorption), a Company-sponsored multicenter study in Germany to prospectively evaluate the removal of ticagrelor during cardiopulmonary bypass in patients on ticagrelor undergoing emergent cardiothoracic surgery. Ticagrelor (Brilinta®, Astra Zeneca) is a potent platelet inhibitor and antithrombotic therapy and recognized as a standard of care to reduce the risk of heart attacks and strokes in patients with acute coronary syndromes. Unfortunately, given the absence of an approved treatment to reverse the antithrombotic effects of ticagrelor, treated patients who require urgent or emergent cardiothoracic surgery may either proceed at high risk for severe perioperative bleeding (as high as 65% higher risk due to ticagrelor) or stay waiting for days in the hospital until the ticagrelor antithrombotic effect washes out.  Neither option is optimal since patients proceeding to surgery are at great risk for serious or even fatal bleeding and patients waiting for washout are at risk of a thrombotic complications such as a stroke or heart attack, while delaying surgery and increasing hospitalization costs.   The benefits of CytoSorb in this setting are both clinical and economic.  In the publication in 2019 by Hassan et al, outcomes of 55 patients requiring emergent cardiac surgery while on ticagrelor or rivaroxaban therapy were evaluated according to the use of CytoSorb.  Antithrombotic (either ticagrelor or rivaroxaban) removal with CytoSorb was associated with significant reductions in operative time, need for red blood cell and platelet transfusions and re-operations to control bleeding and those clinical benefits resulted in shorter length of ICU stay. These significant clinical benefits are expected to also result in substantial economic benefits.  This was demonstrated in the publication by Javanbakht et al. in 2019, that are familiar withprojected an average cost savings of £3,982 per patient (approximately $5,000 USD per patient), including the cost of the CytoSorb deviceadsorber. The primary objective in both TISORB and intraoperative use during CPB. The Company believes using sites that previously participatedCYTATION studies is the change in REFRESH I will accelerateplatelet reactivity and ticagrelor blood concentration before and after cardiopulmonary bypass for patients undergoing CytoSorb hemoadsorption removal of ticagrelor from their blood. Due to the processCOVID-19 pandemic, the execution of site startupthe TISORB trial has been greatly impacted and launch of REFRESH 2. The Company is rampingongoing national restrictions in the trial, and has begun screening patients at a key site involved in REFRESH I and is working to add additional centers experienced inUK on the conduct of non-COVID clinical trialsstudies add further uncertainty to TISORB.  In Germany, however, clinical research is continuing and we therefore expect that the CYTATION study will not be equally impacted.

In January 2020, CytoSorb received European Union CE Mark label expansion to include the removal of ticagrelor during cardiopulmonary bypass in complex cardiacpatients undergoing cardiothoracic surgery. In May 2020, CytoSorb also received European Union CE Mark label expansion to include rivaroxaban removal for the same indication. We have recently announced the Safe and Timely Antithrombotic Removal (STAR) development program that will comprise of a number of clinical projects relating to the antithrombotic removal application. The first study is the STAR Registry scheduled to commence enrollment in 2021 that will capture real world use of CytoSorb for this indication. The registry will initially launch in Europe with the intent of expanding to the United States and the rest of the territories where CytoSorb is available in the future. We anticipate that thisadditional clinical studies, including randomized clinical trials on antithrombotic removal will be conducted as part of the STAR program.

Update on the REMOVE Investigator Initiated Study

The German government, via the German Federal Ministry of Education and Research, is funding a 250 patient, multi-center randomized, controlled study will take(“REMOVE”) using CytoSorb during valve replacement open heart surgery in patients with infective endocarditis. The study enrolled its first patient in January 2018. An interim analysis of the first 50 patients has been completed. On February 4, 2019, Prof. Dr. med. Frank Brunkhorst, Director of the Center for Clinical Studies at least two yearsJena University Hospital, who is providing management and oversight to complete,the REMOVE study, and could take longer if enrollment challengesProf. Dr. med. Torsten Doenst, Director of the Clinic for Cardiac and other factors causing delays are encountered.

Other CriticalThoracic Surgery at the University of Jena, provided the following joint statement, “The Scientific Advisory Board (SAB) of the Center of Sepsis Control and Care Applications

There are currently more than 60 ongoing investigator initiated studies being planned, enrolling or completed our commercialized territories. These trials, which are funded(CSCC) and supported by renowned university hospitalsthe Data Safety Monitoring Board (DSMB) of the REMOVE study recommended continuation of the study, based upon results of a pre-specified interim analysis that analyzed cytokine and key opinion leaders, will provide invaluable information regardingvasoactive mediator levels as an indicator of the successmechanistic mode of action of the device in 28 CytoSorb-treated patients and 22 control patients. There were no device-associated adverse events in the CytoSorb group.”  The study completed enrollment in 2020 but the COVID-19 pandemic has caused delays in data monitoring and data analysis. Topline data are expected to be reported in the first half of 2021 with full data presentation at a major international conference also in 2021.

COVID-19 Business Update

COVID-19 patients develop life-threatening complications such as ARDS, shock (i.e. a potentially fatal drop in blood pressure), kidney failure, acute cardiac injury and secondary bacterial infections. The underlying cause for these complications is often a cytokine storm that results in a massive, systemic inflammatory response, leading to the damage of vital organs such as the lungs, heart, and kidneys, and ultimately multiple organ failure and death in many cases. CytoSorb has been used in more than 121,000 treatments as an approved treatment of sepsis, cardiac surgery, trauma, burn injury, pancreatitis, livercytokine storm in the European Union and is distributed in 67 countries around the world, where it has helped physicians control severe inflammation while helping to reverse shock and improve lung and other organ function.

The use of CytoSorb in patients infected with COVID-19 in Italy, China, Germany and France began in March 2020.  CytoSorb has now been used in approximately 5,000 COVID-19 patients to help treat cytokine storm and the related life-threatening complications in more than 30 countries. Based upon initial data and reports from physicians treating these complications, CytoSorb use has generally been associated with a marked reduction in cytokine storm and inflammation, improved lung function, weaning from mechanical ventilation, decannulation from extracorporeal membrane oxygenation (ECMO), and a reversal of shock. CytoSorb has been specifically recommended in the Italy Brescia Renal COVID Task Force Guidelines to treat patients with severe COVID-19 infection and Stage 3 renal failure acute kidney injury, acuteon continuous renal replacement therapy. CytoSorb has also been recommended in the National Treatment Guidelines from Panama for Adult COVID-19 Patients if patients have either refractory shock, or have severe or refractory respiratory distress syndrome, and many other indications, and will be integralfailure requiring either high ventilator support or extracorporeal membrane oxygenation.  CytoSorb has now received approval from the Drugs Controller General of India to helping us determine the ultimate course of our U.S. clinical trial pathwaytreat COVID-19 patients in critical care.

Even though we have obtained CE Mark approval, no assurance can be given that ourcertain instances.  CytoSorb product will work as intended in these studies or that we will be able to obtain FDAhas also received approval to selltreat patients with COVID-19 from the Israel Ministry of Health (AMAR).  In January 2021, Health Canada granted Medical Device Authorization for the importation, sale, and emergency use of CytoSorb in hospitalized COVID-19 patients.

The use of CytoSorb has not been approved in the U.S. Even thoughby FDA. However, under certain circumstances, investigational medical devices that have not yet been FDA-approved may be made available for emergency use in the U.S. under the FDA’s Expanded Access Program (“EAP”). On April 13, 2020, we announced that the FDA, in a different program than the EAP, granted Emergency Use Authorization (EUA) of CytoSorb for use in U.S. COVID-19 patients. Under the EUA, CytoSorbents can make CytoSorb available, through commercial sales, to all hospitals in the U.S. for use in patients, 18 years of age or older, with confirmed COVID-19 infection who are admitted to the intensive care unit with confirmed or imminent respiratory failure and who have obtained CE Mark approval, there is no guaranteeearly acute lung injury or assurance that weARDS, severe disease, or life-threatening illness resulting in respiratory failure, septic shock, and/or multiple organ dysfunction or failure. The CytoSorb device has been authorized by FDA under an EUA. It has neither been cleared nor approved for the indication to treat patients with COVID-19 Infection. The EUA will be effective until a declaration is made that the circumstances justifying the EUA have terminated or until revoked by the FDA.

The CTC (CytoSorb Therapy in COVID-19) Registry has been launched and is actively enrolling patients with the intent of systematically capturing usage patterns and outcomes associated with the use of CytoSorb under the EUA at U.S. institutions.  The CTC Registry may be expanded to outside-U.S. territories based on the evolution of the pandemic in an effort to better characterize best practice patterns and clinical outcomes.

To meet the growing demand for CytoSorb worldwide, our manufacturing team continues to make any adjustments required to the production schedule to meet the increased sales demand.

Government Research Grants

We have historically been successful in obtaining FDA approval intechnology development contracts from governmental agencies such as the United States or approval in any other country or jurisdiction. BecauseNational Institutes of the limited studies we have conducted, we are subject to substantial risk that our technology will have little or no effect on the treatment of any indications that we have targeted.

Government Research Grants

Two government research grants by the NIHHealth and the U.S. Department of HealthDefense, including the Defense Advanced Research Projects Agency (“DARPA”), the U.S. Army, U.S. Special Operations Command (“USSOCOM”), the U.S. Air Force, Air Force Material Command (“USAF/AFMC”) and Human Services were awarded to investigators at the University of Pittsburgh to explore the use of adsorbent polymers in the treatment of sepsis and organ transplant preservation. Under “SubAward Agreements” with the University of Pittsburgh, we developed polymers for use in these studies. 

A grant of $1 million was awarded to the University of Pittsburgh Medical Center in 2003. The project sought to improve the quantity and viability of organs donated for transplant by using CytoSorb to detoxify the donor’s blood. The observational and dosing phases of the study, involving 30 viable donors and eight non-viable donors, respectively, was completed. Although the next phase of this study, the treatment phase, would have involved viable donors, we are not currently focusing our efforts on the commercialization of CytoSorb for application in organ donors. The treatment phase would be contingent upon further discussion with the FDA and HRSA regarding study design, as well as obtaining additional funding.

In addition, in September 2005, the University of Pittsburgh Medical Center was awarded a grant of approximately $7 million from NIH entitled “Systems Engineering of a Pheresis Intervention for Sepsis (SEPsIS)” to study the use of adsorbent polymer technology in the treatment of severe sepsis. The study, which lasted for a total of five years, commenced in September 2005. Under a SubAward Agreement, we worked with researchers at the University of Pittsburgh - Critical Care Medicine Department. We believe that the only polymers used in this study were polymersothers. Currently, we have developed specifically for useongoing projects funded, in part, by the study, which are similar toU.S. Army Medical Research Acquisition Activity (“USAMRAA”), the polymers used in our devices. Under the SubAward Agreement, for our efforts in support of the grant during 2006 through 2010, we received approximately $402,000.

In October 2010, we were awarded a grant of approximately $489,000 from the federal Qualifying Therapeutic Discovery Project (“QTDP”) program for two products in our pipeline including the development of CytoSorb for the treatment of sepsis and other critical care illnesses. We received half of the grant in November 2010NHLBI, and the second half in February 2011.

USAF/AFMC.

In August 2012, we were awarded a $3.8 million, five-year contract by DARPA for our “Dialysis-Like Therapeutics” (“DLT”) program to treat sepsis. DARPA has been instrumental in funding many of the major technological and medical advances since its inception in 1958, including development of the Internet, development of GPS, and robotic surgery. The DLT program in sepsis seekssought to develop a therapeutic blood purification device that iswas capable of identifying the cause of sepsis (e.g., cytokines, toxins, pathogens, activated cells) and remove these substances in an intelligent, automated, and efficient manner. Our contract was for advanced technology development of our hemocompatible porous polymer technologies to remove cytokines and a number of pathogen and biowarfare toxins from blood. We have completed our work under the contract with DARPA and SSC Pacific under Contract No. N66001-12-C-4199, that provided for maximum funding of approximately $3,825,000. As of December 31, 2017, weWe received approximately $3,825,000 in funding under this contract and no funding remains.

Our performance under this contract has been completed.

In September 2012, we were awarded a Phase II SBIR contract by the U.S. Army Medical Research and Material Command to evaluate our technology for the treatment of trauma and burn injury in large animal models. In 2013, we finalized the Phase II SBIR contract which provided for a maximum funding of approximately $803,000 with the granting agency. This work is supported by the U.S. Army Medical Research and Material Command under an amendment to Contract W81XWH-12-C-0038. In June 2016, this contract was further amended to increase the maximum funding by $443,000 to approximately $1,246,000. As of December 31, 2017, weWe received approximately $1,246,000 in funding under this contract.contract and no funding remains. Our performance under this contract has been completed.

In September 2013, the NHLBINational Heart Lung and Blood Institute (“NHLBI”) awarded us a Phase I SBIRSmall Business Innovation Research (“SBIR”) contract, (contract number(number HHSN-268201-300044C), valued at $203,351, to further advance our HemoDefend blood purification technology for pRBC transfusions. The University of Dartmouth collaborated with us as a subcontractor on the project, entitled “Elimination of blood contaminants from pRBCs using HemoDefend hemocompatible porous polymer beads.” The overall goal of this program iswas to reduce the risk of potential side effects of blood transfusions, and help to extend the useful life of pRBCs. Our performance under this contract has been completed.

In October 2015, we were awarded a Phase II SBIR contract by the NHLBI and USSOCOM to help advance our HemoDefend blood purification technology towards commercialization for the purification of pRBC transfusions. The contract, entitled “pRBCs Contaminant Removal with Porous Polymer Beads”, (contract number HHSN-268201-600006C), providesprovided for maximum funding of approximately $1,522,000$1,524,000 over a two yeartwo-year period. As of December 31, 2017, weWe received approximately $1,153,000 and have approximately $369,000 remaining$1,524,000 under this contract.

contract and no funding remains. Our performance under this contract has been completed.

In March 2016, we were awarded a Phase I SBIR contract for itsa development program entitled “Mycotoxin AbsorptionAdsorption with Hemocompatible Porous Polymer Beads.” The purpose of this contract iswas to develop effective blood purification countermeasures for weaponized mycotoxins that can be easily disseminated in water, food and air. This work is beingwas funded by the U.S. Joint Program Executive Office for Chemical and Biological Defense, or JPEO-CBD, under contract number W911QY-16-P-0048 and providesprovided for maximum funding of $150,000. As of December 31, 2017, weWe received approximately $150,000 and no funding remains under this contract.

Our performance under this contract has been completed.

In June 2016, we were awarded a Phase I Small Business Technology Transfer (“STTR”) contract for its development program entitled “Use of Highly Porous Polymer Beads to Remove Anti-A and Anti-B antibodies from Plasma for Transfusion”. The purpose of this contract iswas to develop our HemoDefend blood purification technology to potentially enable universal plasma. This work is beingwas funded by the USAMRAA under contract W81XWH-16-C-0025 and providesprovided for maximum funding of $150,000. As of December 31, 2017, weWe received approximately $150,000 and no funding remainingremains under this contract.

Our performance under this contract has been completed.

In July 2016, we were awarded a Phase I Small Business Innovation Research (“SBIR”)SBIR contract for its development program entitled “Investigation of a sorbent-based potassium adsorber for the treatment of hyperkalemia induced by traumatic injury and acute kidney injury in austere conditions”. The objective of this Phase I project iswas to develop two novel and distinct treatment options for life-threatening hyperkalemia. This work is beingwas funded by the U.S. Army Medical Research Acquisition Activity (“USAMRAA”) under contract W81XWH-16-C-0080 and providesprovided for maximum funding of approximately $150,000. As of December 31, 2017, weWe received approximately $150,000 and no funding remains under this contract. Our performance under this contract has been completed.

In January 2017, the Company waswe were awarded a Phase II SBIR contract to continue development of CytoSorb for fungal mycotoxin blood purification. This program will focusfocused on demonstrating the ability of CytoSorb to absorbadsorb mycotoxinsin vivo and improve survival in animals. This contract, W911QY-17-C-0007, providesprovided for maximum funding of $999,996 over two years. This program iswas funded by the Joint Program Executive Office - Chemical and Biological Defense (“CBD”) SBIR program. As of December 31, 2017, weWe received approximately $360,000$999,996 in funding under this contract and have approximately $640,000 remainingno further funding remains under this contract. Our performance under this contract has been completed.

In May 2017, the Company waswe were awarded a Phase II STTR contract Titledentitled “Use of Highly Porous Polymer Beads to Remove Anti-A and Anti-B Antibiotics from Plasma Transfusion”. The purpose of this contract is to continue development of our HemoDefend blood purification technology to potentially enable universal plasma. We will collaborate with researchers at Penn State University on this project. This contract provides for maximum funding of $999,070 over two years. This work is being funded by the USAMRAA under contract number W81XWH-17-C-0053. As of December 31, 2017, weWe received approximately $280,000$999,070 and have approximately $719,000no further funding remaining under this contract. Our performance under this contract has been completed.

In May 2017, the Company was awarded a Congressionally Directed Medical Research Program (“CDMRP”) Phase I contract to improve delayed evacuation and prolonged field care for severe burn injury via novel hemoadsorptive and hydration therapies. This work is being funded by the USAMRAA under contract number W81WH-17-2-0013. This contract provides for maximum funding of $719,000 over four years. As of December 31, 2017,2020, we received approximately $71,000$659,000 and have approximately $648,000$60,000 remaining under this contract.

In September 2017, the Company was awarded a Phase II SBIR contract for its development program entitled “Investigation of a sorbent-based potassium adsorber for the treatment of hyperkalemia induced by traumatic injury and acute kidney injury”. The purpose of this contract is to continue development of two novel and distinct treatment options for life-threatening hyperkalemia. This work is being funded by the USAMRAA under contract W81XWH-17-C-0142 and provides for maximum funding of approximately $999,871. As of December 31, 2017,2020, we received approximately $999,871 and no further funding had been receivedremains under this contract.

In August 2018, the Company was awarded a Phase IIB Bridge SBIR contract by the NHLBI to facilitate and accelerate the commercialization of our HemoDefend blood purification technology for the purification of pRBC transfusions. The contract, entitled “pRBCs Contaminant Removal with Hemocompatible Porous Polymer Beads” (award number 2R44HL141928-03), provides for maximum funding of approximately $2,971,000 over a three-year period. As of December 31, 2020, we received approximately $1,646,000 in funding under this contract and have approximately $1,325,000 remaining under this contract.  Under the terms of this contract, we must make a matching contribution equal to the funds awarded thereunder.

In September 2019, the Company was awarded a Rapid Innovation Fund contract by the USAF/AFMC to develop a simple, easy-to-use renal support system to treat severe hyperkalemia. The contract, entitled “K+ontrol Renal Support System for Reduction of Hyperkalemia” (award number FA8650-19-C-6065), provides for maximum funding of approximately $2,960,000 over a two-year period. As of December 31, 2020, we received approximately $814,000 funding under this contract and have approximately $2,146,000 remaining under this contract.  

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In June 2020, the Company was awarded a two-year Defense Health Agency Small Business Technology transfer (STTR) Phase III contract to advance its HemoDefend-BGA plasma and whole blood adsorber to human clinical trials. (award number W81XWH20C0050), provides for maximum funding of approximately $2,897,000 over a two-year period. As of December 31, 2020, we received approximately $724,000 funding under this contract and have approximately $2,173,000 remaining under this contract.

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In July 2020, the Company was awarded by the Assistant Secretary of Defense for Health Affairs, endorsed by the Department of Defense office of the Congressionally Directed Medical Research Programs (CDMRP), a three-year contract as part of a Peer Reviewed Medical Research Program Technology/ Therapeutic Development Award to complete preclinical development of the HemoDefend™-BGA plasma and whole blood adsorber, (award number W81XWH2010712), provides for maximum funding of approximately $4,422,000 over a three-year period. As of December 31, 2020, we received approximately $81,000 funding under this contract and have approximately $4,341,000 remaining under this contract.  

In October 2020, the Company was awarded a two-year SBIR Sequential Phase II contract by the U.S. Army Medical Research Acquisition Activity (USAMRAA), to optimize development of the HemoDefend-BGA™ adsorber. (award number W81XWH20C0087), provides for maximum funding of approximately $1,100,000 over a two-year period. As of December 31, 2020, we received approximately $133,000 funding under this contract and have approximately $967,000 remaining under this contract.  

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Our business could be adversely impacted by automatic cuts in Federal spending.  The American Taxpayer Relief Act (“ATRA”) of 2012, referred to generally as the fiscal cliff deal, that went into effect on March 1, 2013, enacted automatic spending cuts

of nearly $1 trillion over the next 10 years (commonly known as sequestration) that were included under the Budget Control Act of 2011.  Sequestration may delay payments under the DARPA and SBIR grant agreements, although no material delays have occurred to date. The short term and long termlong-term economic impact of the sequestration will not be known until the actual spending cuts are implemented and the economic impact of the changes in the budget and taxes are known. It will take an extended number of years to understand the impact of any changes brought about from the sequester.

The COVID-19 pandemic also has slowed progress on executing and invoicing for our funded grant and contract programs. This was due to social distancing and remote working requirements in our laboratories and at the facilities of our collaborators. Given the uncertain nature of COVID-19, we cannot predict the future impact of the pandemic on our research and development efforts and on our revenue recognition for total revenue.

These grants represent a substantial research cost savings to us and we believe demonstrate the strong interest of the medical and scientific communities in our technology. We are also exploring potential eligibility in several other government-sponsored grant programs which could, if approved, represent a substantial future source of non-dilutive funds for our research programs.

Regulation

The medical devices that we manufacture are subject to regulation by numerous regulatory bodies, including the FDA and comparable international regulatory agencies. These agencies require manufacturers of medical devices to comply with applicable laws and regulations governing the development, testing, manufacturing, labeling, marketing and distribution of medical devices. Devices are generally subject to varying levels of regulatory control, the most comprehensive of which requires that a clinical evaluation program be conducted before a device receives approval for commercial distribution.

In the EU, medical devices that we manufacture are required to comply with the Medical Devices Directive 93/42/EC (“MDD”) and obtain CE Mark certification in order to market medical devices. The CE Mark certification, granted following approval from an independent Notified Body,notified body, is an EU-wide international symbol ofevidencing adherence to quality assurance standards and compliance with the MDD or other applicable European Medical Devices Directives. Distributors of medical devices may also be required to comply with other foreign regulations, such as Ministry of Health Labor and Welfare approval in Japan. The time required to obtain these foreign approvals to market our products may be longer or shorter than that required in the U.S., and requirements for those approvals may differ from those required by the FDA. In Europe, our devices are classified as Class IIb, and will need to conform to the MDD.  As of May 27, 2021, devices that have not received CE Mark renewal under the MDD or where existing device or processes are substantially amended, certification would be required in accordance with the new European Union Medical Devices Directive.

Device Regulation (“MDR”).  However, devices already certified under the MDD can continue to use the CE Mark under the MDD until the expiry of those MDD CE certificates and in August of 2019, we announced that CytoSorb received renewal of its E.U. CE Mark through May 2024.

In March 2011, we successfully completed our technical file review with our Notified Body,notified body, and received approval to apply the CE Mark to the CytoSorb device as an extracorporeal cytokine filter. We also achieved ISO 13485:2003 Full Quality Systems certification, an internationally recognized quality standard designed to ensure that medical device manufacturers have the necessary comprehensive management systems in place to safely design, develop, manufacture and distribute medical devices in the EU. In February 2015, we extended the coverage of our ISO 13485 Certificate with the inclusion of Canadian Quality Systems requirements. This additional level of certification will allow us to apply for product approvals in Canada in the future.

In June 2016, we successfully completed an ISO 13485:2003 annual surveillance audit maintaining our good standing with our Notified Body.notified body. In September 2016, we were granted a two-year renewal for the CytoSorb CE Mark. In June 2018, we received clearance from our notified body to begin production in our new manufacturing facility. In July 2018, we successfully completed an audit upgrade from an ISO 13485:2003 certification to an ISO 13485:2016 certification, which is valid through September 2022.

In the EU, as in other geographies, there are limits to the claims we are allowed to make, associated with the use of our devices. Specifically, any claims that we make should be included in our Clinical Evaluation Report, which is part of the conformity assessment process conducted by the Notified Body. If our claims exceed the assessed claims, either regarding performance or intended uses, we may be subject to regulatory actions, which could include customer notifications or even product or literature (i.e. labeling) recalls.

In the U.S., specific permission from FDA to distribute a new device is usually required (that is, other than in the case of very low risk devices), and we expect that some form of marketing authorization will be necessary for our devices. Marketing authorization is generally sought and obtained in one of twothree ways. The first process requires that a pre-market notification (510(k) Submission) be made to the FDA to demonstrate that the device is as safe and effective as, or “substantially equivalent” to, a legally marketed device that is not subject to pre-market approval (“PMA”). A legally marketed device is a device that (i) was legally marketed prior to May 28,

1976, (ii) has been reclassified from Class III to Class II or I, or (iii) has been found to be substantially equivalent to another legally marketed device following a 510(k) Submission. The legally marketed device to which equivalence is drawn is known as the “predicate” device. Applicants must submit descriptive data and, when necessary, performance data to establish that the device is substantially equivalent to a predicate device. In some instances, data from human clinical studies must also be submitted in support of a 510(k) Submission. If so, these data must be collected in a manner that conforms with specific requirements in accordance with federal regulations including the Investigational Device Exemption (IDE) and human subjectssubject protections or “Good Clinical Practice” regulations. After the 510(k) application is submitted, the applicant cannot market the device unless FDA issues “510(k) clearance” deeming the device substantially equivalent. The FDA’s 510(k) review process usually takes from three to six months, but may take longer. The FDA may require additional information, including clinical data, to make a determination regarding substantial equivalence. After an applicant has obtained clearance, the changes to existing devices covered by a 510(k) SubmissionChanges to the device which do not significantly affect safety or effectiveness can generally be made without additional 510(k) Submissions, but evaluation of whether a new 510(k) is needed is a complex regulatory issue, and changes must be evaluated on an ongoing basis to determine whether a proposed change triggers the need for a new 510(k), or even PMA. ThePMA .The 510(k) clearance pathway is not available for all devices: whether it is a suitable path to market depends on several factors, including regulatory classifications, the intended use of the device, and technical and risk-related issues for the device.

Should a suitable predicate device not be available, the second pathway is the de novo request pathway.   The de novo pathway is available for novel device technologies, including novel device changes, that have not been previously classified by FDA and for which there is no suitable predicate device. To obtain marketing authorization via the de novo pathway, the applicant must show that the subject device can be reclassified as Class I or Class II.  The de novo request pathway typically requires additional testing data, which may include clinical data.

The second,third, more rigorous, process requires that an application for PMA be made to the FDA to demonstrate that the device is safe and effective for its intended use as manufactured. This approval process applies to most Class III devices. A PMA submission is the most burdensome FDA premarket submission type for devices and includes data regarding design, materials, bench and animal testing, and human clinical data for the medical device. Again, clinical trials are subject to extensive FDA regulation.

Following completion of clinical trials, an applicant will submit a PMA with the required data. Within 45 days after a PMA is received by the FDA, the agency will notify the applicant whether the application has been “filed” (a threshold determination that the application is sufficiently complete to begin an in-depth review), then a substantive review period begins on the date of filing. Although the stated regulatory timeframe for the FDA’s review of PMAs is 180 days, FDA does not meet this goal for all applications; review often takes at least one year and submissionmay take significantly longer. During this review period, the FDA may request additional information or clarification of information already provided. Also during the review period, an advisory panel of experts from outside the FDA may be convened to review and evaluate the application and provide recommendations to the FDA. In addition, the FDA will conduct a pre-approval inspection of the manufacturing facilities to evaluate compliance with the FDA’s Quality System Regulation (“OSR”), which requires manufacturers to implement and follow design, testing, control, documentation and other quality assurance and good manufacturing practice procedures.

Following review of a PMA, the FDA will authorize commercial distribution if it determines there is reasonable assurance that the medical device is safe and effective for its intended purpose. This determination is based on the benefit outweighing the risk for the population intended to be treated with the device. ThisAlternatively, the agency may issue an “approvable letter” or “not approvable letter” identifying deficiencies of varying degrees, or issue an order denying approval. The PMA process is much more detailed, time-consuming, and expensive than the 510(k) process. Also, FDA may impose a variety of conditions on the approval of a PMA.

In the U.S., we believe that our potential devices, if we were to pursue marketing authorization, would likely fall under the classification for “Sorbent Hemoperfusion Systems” (21 C.F.R. § 876.5870). This category of device is Class II (subject to a 510(k) and special controls) when the device is intended for the treatment of poisoning and drug overdose, and Class III (subject to premarket approval)PMA) when the device is intended for the treatment of sepsis, hepatic coma and metabolic disturbances or other life-threatening illnesses.

Both before and after a device for the U.S. market is commercially released, we would have ongoing responsibilities under FDA regulations. The FDA reviews design and manufacturing practices, labeling and record keeping, complaint handling, and manufacturers’ required reports of adverse experiencesevents and device malfunctions and other information to identify potential problems with marketed medical devices. We would also be subject to periodic inspection by the FDA for compliance with the FDA’s quality system regulations, which govern the methods used in, and the facilities and controls used for, the design, manufacture, packaging, and servicing of all finished medical devices intended for human use.QSR requirements, as mentioned above. In addition, the FDA and other U.S. regulatory bodies (including the Federal Trade Commission, the Office of the Inspector General of the Department of Health and Human Services, the Department of Justice (DOJ), and various state Attorneys General) monitor the manner in which we promote and advertise our products. Although physicians are permitted to use their medical judgment to employ medical devices for indications other than those cleared or approved by the FDA, we are prohibited from promoting products for such “off-label” uses, and can only market our products for cleared or approved uses. If the FDA were to conclude that we are not in compliance with applicable laws or regulations, or that any of our medical devices are ineffective or pose an

unreasonable health risk, the FDA could require us to notify health professionals and others that the devices present unreasonable risks of substantial harm to the public health,health; order a recall, repair, replacement, or refund of such devices, detain or seize adulterated or misbranded medical devices,devices; or ban such medical devices. The FDA may also impose operating restrictions, enjoin and/or restrain certain conduct resulting in violations of applicable law pertaining to medical devices, including a hold on approving new devices until issues are resolved to its satisfaction, and work with the DOJ to assess civil or criminal penalties against our officers, employees, or us. The FDA may also recommend prosecution to the DOJ. Conduct giving rise to civil or criminal penalties may also form the basis for private civil litigation by third-party payers or other persons allegedly harmed by our conduct.

On April 10, 2020 the FDA granted CytoSorbents Emergency Use Authorization of CytoSorb for the treatment of COVID-19. Per the FDA, "The Emergency Use Authorization (EUA) authority allows FDA to help strengthen the nation's public health protections against chemical, biological, radiological, and nuclear (CBRN) threats by facilitating the availability and use of medical countermeasures needed during public health emergencies. Under Section 564 of the Federal Food, Drug, and Cosmetic Act (the "Act"), the FDA commissioner may allow unapproved medical products or unapproved uses of approved medical products to be used in an emergency to diagnose, treat, or prevent serious or life-threatening disease or conditions caused by CBRN threat agents when there are no adequate, approved, and available alternatives."

EUA is an approval limited in scope and, subject to FDA discretion regarding duration of the approval. The FDA can at its discretion cancel the EUA approval when there is no longer a threat to public health.

The delivery of our devices in the U.S. market would be subject to regulation by the U.S. Department of Health and Human Services and comparable state agencies responsible for reimbursement and regulation of health care items and services. U.S. laws and regulations are imposed primarily in connection with the Medicare and Medicaid programs, as well as the government’s interest in regulating the quality and cost of health care.

Federal health care laws apply when we or customers submit claims for items or services that are reimbursed under Medicare, Medicaid, or other federally-funded health care programs. The principal federal laws include: (1) the False Claims Act which prohibits the submission of false or otherwise improper claims for payment to a federally-funded health care program; (2) the Anti-Kickback Statute which prohibits offers to pay or receive remuneration of any kind for the purpose of inducing or rewarding referrals of items or services reimbursable by a Federal health care program; (3) the Stark law which prohibits physicians from referring Medicare or Medicaid patients to a provider that bills these programs for the provision of certain designated health services if the physician (or a member of the physician’s immediate family) has a financial relationship with that provider; and (4) health care fraud statutes that prohibit false statements and improper claims to any third-party payer. There are often similar state false claims, anti-kickback, and anti-self referral and insurance laws that apply to state-funded Medicaid and other health care programs and private third-party payers.payers and some state laws apply regardless of payor (i.e., even in self-pay scenarios). These and other laws (including, for example, the Physician Payment Sunshine Act and state transparency and compliance laws) will become increasingly important as we progress toward commercialization in the U.S. In addition, the U.S. Foreign Corrupt Practices Act can be used to prosecute companies in the U.S. for arrangements with physicians, or other parties outside the U.S. if the physician or party is a government official of another country and the arrangement violates the law of that country.

The laws applicable to us are subject to change, and subject to evolving interpretations. If a governmental authority were to conclude that we are not in compliance with applicable laws and regulations, we and our officers and employees could be subject to severe criminal and civil penalties including substantial fines and damages, and exclusion from participation as a supplier of product to beneficiaries covered by Medicare or Medicaid.

The process of obtaining clearance or approval to market products is costly and time-consuming in virtually all of the major markets in which we expect to sell products and may delay the marketing and sale of our products. Countries around the world have recently adopted more stringent regulatory requirements, which are expected to add to the delays and uncertainties associated with new product releases, as well as the clinical and regulatory costs of supporting those releases. No assurance can be given that any of our other medical devices will be approved on a timely basis, if at all, or that our CytoSorb® device will be approved for CE Mark labeling under the MDR in other potential medical applications or that it will be approved for cytokine filtration in markets not covered by the CE Mark on a timely basis, or at all. In addition, regulations regarding the development, manufacture and sale of medical devices are subject to future change. We cannot predict what impact, if any, those changes might have on our business. Failure to comply with regulatory requirements could have a material adverse effect on our business, financial condition and results of operations.

Pertaining to our VetResQ™ device (offered for veterinary use only), in the U.S., the FDA does not require submission of a 510(k), PMA, or any other pre-market approvalreview application for devices used in veterinary medicine. Device manufacturers who exclusively manufacture or distribute veterinary devices are not required to register their establishments and list veterinary devices and are exempt

from post-marketing reporting. FDA does have regulatory oversight over veterinary devices and can take appropriate regulatory action if a veterinary device is misbranded or adulterated. It is the responsibility of the manufacturer and/or distributor of these articles to assure that these animal devices are safe, effective, and properly labeled.

Exported devices are subject to the regulatory requirements of each country to which the device is exported. Some countries do not have medical device regulations, but in most foreign countries medical devices are regulated. Frequently, device companies may choose to seek and obtain regulatory approval of a device in a foreign country prior to application in the U.S., as we have done, given the differing regulatory requirements. However, this does not ensure approval of a device in the U.S.

Sales and Marketing

In 2012, we established our European subsidiary, CytoSorbents Europe GmbH, a wholly-owned subsidiary of CytoSorbents Corporation. Following the completion of a controlled market release in late June 2012, CytoSorb was formally launched in Germany with reimbursement established at more than $500 per cartridge. We recruited Dr. Christian Steiner, MD as our Vice President of Sales and Marketing and hired three additional sales representatives. The fourth quarter of 2012 was the first full quarter of direct CytoSorb sales with our sales force in place. We began expansion into Austria, where reimbursement for CytoSorb is now available, and Switzerland. In March 2016, we established CytoSorbents Switzerland GmbH, a wholly-owned subsidiary of CytoSorbents Europe GmbH, to conduct marketing and direct sales in Switzerland. This subsidiary began operations during the second quarter of 2016. In 2017 we began direct sales in Belgium and Luxembourg. On March 5, 2019, the Company announced the expansion of direct sales of CytoSorb for all applications to Poland and the Netherlands, and critical care applications to Sweden, Denmark and Norway. As part of this effort, the Company established CytoSorbents Poland Sp. z.o.o., a wholly-owned subsidiary of CytoSorbents Europe GmbH. From the beginning of the controlled market release in the fourth quarter of 2011 through the end of December 31, 2017,2020, we achieved cumulative sales of CytoSorb of approximately $29,777,000.$111,792,000. During this time period, the CytoSorb device represented substantially all of our product sales. At the end of 2017,2020, we had hundreds of KOLs worldwide who are either using CytoSorb or supporting its use in clinical practice and/or in clinical studies. These relationships with KOLs were an essential step in our initial goal of driving usage, adoption and reorders of CytoSorb as they facilitate ordering and reimbursement within the hospital, have a strong influential role within their department and amongst their peers and colleagues outside the hospital, and have the ability to conduct studies and generate data, papers and conference presentations that could drive awareness and demand.

We are approved to sell CytoSorb in all 2827 countries in the EU, including Germany, United Kingdom, Italy, France and Spain as well as the United Kingdom, and currently have either direct sales or distributordistributors or strategic partnershippartnerships in 4567 countries worldwide. We plan to expand to other countries in the EU, and with registration, other countries outside the EU that will accept CE Mark approval with a mixed direct and independent distributor strategy, that can be augmented through strategic partnerships.

In 2013,Overall, we reached agreements withhave established either direct sales or distribution (via distributors in the United Kingdom, Ireland, Turkey, Russia, and the Netherlands. In April 2014, we announced distributionor strategic partners) of CytoSorb in 67 countries worldwide. Registration of CytoSorb is typically required in each of these countries prior to active commercialization, in a process that can take several months to more than a year to achieve. Variability in the Middle East, including Saudi Arabia,timing of registration affects the United Arab Emirates, Kuwait, Qatar, Bahrain,initiation of active commercialization in these countries, which affects the timing of expected CytoSorb sales. We cannot generally predict the timing of these registrations, and Oman (the GCC) and Yemen, Iraq, and Jordan through an exclusive agreement with Techno Orbits. Inthere can be no guarantee that we will ultimately achieve registration in countries where we have established distribution. For example, in August 2014 we announced exclusive distribution of CytoSorb in Taiwan with Hemoscien Corporation, which was subsequently terminated by usCorporation. However, in March 2015, due to the complexity ofwe encountered with Taiwanese FDA product registration. In December 2014,registration, we entered into an exclusiveelected to terminate our agreement with Smart Medical Solutions S.R.L., to distributeHemoscien. Outside of the EU, CytoSorb for critical care applicationshas distribution in Romania and the neighboring Republic of Moldova.   In 2015, we announced exclusive distribution agreements with Aferetica SRL to distribute CytoSorb in Italy, AlphaMedix Ltd. to distribute CytoSorb in Israel, TekMed Pty Ltd. to distribute CytoSorb inTurkey, India, Sri Lanka, Australia, and New Zealand, Russia, Serbia, Norway, Vietnam, Malaysia, Hong Kong, Chile, Panama, Costa Rica, Colombia, Brazil, Mexico, Argentina, Perú, Guatemala, Ecuador, Bolivia, the Dominican Republic, El Salvador, Iceland, Israel, UAE, Iran, Saudi Arabia and Hoang Long Pharmaother Middle Eastern countries, and South Korea. We cannot guarantee that we will generate meaningful sales in the countries where we have established registration, due to distribute CytoSorbother factors such as market adoption and reimbursement. For example, in Vietnam. In June 2016,December 2019, we announced an exclusive distribution agreementdiscontinued our distributor relationship with Palex Medical SADr. Reddy’s in South Africa due to distribute CytoSorblack of market adoption. We continuously evaluate other potential distributor and strategic partner networks in Spain and Portugal. In September 2016, we announced an exclusive agreement with Armaghan Salamat Kish Group (Arsak) to distribute CytoSorb in Iran. In October 2016, we announced an exclusive agreement with Foxx Medical Chile SpA to distribute CytoSorb in Chile. In July 2017, we announced an exclusive agreement with Droguería, Ramón, González, Revilla (DRGR) S.A. to distribute CytoSorb in Panama.other countries that accept CE Mark approval.

We have been expanding our strategic partnerships by number and scope. In September 2013, we entered into a strategic partnership with Biocon Ltd., India’s largest biopharmaceuticals company, with an initial distribution agreement for India and select emerging markets, under which Biocon has the exclusive commercialization rights for CytoSorb initially focused on sepsis. In October 2014, the Biocon partnership was expanded to include all critical care applications and cardiac surgery. In addition to our direct and distributor commercial channels, we have a number of strategic partners to market and distribute CytoSorb.  These partners include Biocon committed to higher annual minimum purchases of CytoSorb to maintain distribution exclusivity and committed to conduct and publish results from multiple investigator initiated studies and patient case studies. In December 2017, the Biocon partnership was further expanded to include exclusive distribution of CytoSorb in Malaysia. Under the terms of the agreement, Biocon has committed to minimum annual purchases in Malaysia to maintain exclusivity this territory. In addition, the term of the original agreement was extended to December 2022.

In December 2014, we entered into a multi-country strategic partnership withBiologics Limited, Fresenius Medical Care AG, & Co KGaA (“Fresenius”) to commercializeAferetica s.r.l. and Terumo Cardiovascular Group. In March 2021, we added B. Braun Avitum AG as a global co-marketing partner. For detailed information regarding these partnerships, see the CytoSorb therapy. Under the termssection entitled “Commercial and Research Partners” in item 1 of this agreement, Fresenius has exclusive rights to distribute CytoSorb for critical care applications in France, Poland, Sweden, Denmark, Norway, and Finland. The partnership allows Fresenius to offer an innovative and easy way to use blood purification therapy for removing cytokines in patients that are treated in the ICU. To promote the success of CytoSorb, Fresenius agreed to also engage in the ongoing clinical development of the product. This includes the support and publication of a number of small case series and patient case reports as well as the potential for future larger, clinical collaborations. Fresenius launched the product in these six countries in May 2016. In January 2017, the Fresenius partnership was expanded. The terms of the revised three-year agreement extend Fresenius’ exclusive distributorship of CytoSorb for all critical care applications in their existing territories through 2019 and include guaranteed minimum quarterly orders and payments, evaluable every one and a half years. In addition, we have entered into a new comprehensive co-marketing agreement with Fresenius. Under the terms of the agreement, CytoSorbents and Fresenius will jointly market CytoSorb to Fresenius’ critical care customer base in all countries where CytoSorb is being actively commercialized. CytoSorb will continue to be sold by our direct sales force or through our international network of distributors and partners, while Fresenius will sell all ancillary products to their customers. Fresenius will also provide a written endorsement of CytoSorb for use with their multiFiltrate and multiFiltratePRO acute care dialysis machines that can be used by us and our distribution partners to promote CytoSorb worldwide. Training and preparation for this co-marketing program began in five initial countries in 2017 and is continuing, with implementation of the co-marketing program in additional countries planned for the future.report.

In September 2016, we entered into a multi-country strategic partnership with Terumo Cardiovascular Group to commercialize CytoSorb for cardiac surgery applications. Under the terms of the agreement, Terumo has exclusive rights to distribute the CytoSorb cardiopulmonary bypass (“CPB”) procedure pack for intra-operative use during cardiac surgery in France, Sweden, Denmark, Norway, Finland and Iceland. Terumo launched the product in these six countries in December 2016.

In March 2017, we entered into a partnership with Dr. Reddy’s Laboratories Ltd. for the South African market. Under the terms of the agreement, Dr. Reddy’s has the exclusive right to distribute CytoSorb for intensive care, cardiac surgery, and other hospital applications in South Africa. This is a multi-year agreement and is subject to annual minimum purchases of CytoSorb to maintain exclusivity.

A significant portion of our revenues are from product sales in Germany. Substantially all of our grant and other income are from grant agencies in the United States. The following table provides a geographic summary of revenues: 

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In 2017,During the years ended 2020, 2019 and 2018, no agency, distributor or direct customer represented more than 10 percent of the Company’s total revenue. In 2016, one direct customer, HDZ Herz and Diabeteszentrum NRW, accounted for approximately 11 percent of total revenue. In 2015, one grant agency, DARPA, accounted for approximately 14 percent of revenue.

Orders received for product from both direct customers and distributors are fulfilled upon receipt. Accordingly, we have no significant sales backlog.

We maintain a small amount of property and equipment in Germany. These assets were approximately one percent of total assets for the years ending December 31, 2017, 2016 and 2015, respectively.

Intellectual Property and Patent Litigation

The medical device market in which we primarily participate is in large part technology driven. As a result, intellectual property rights, particularly patents and trade secrets, play a significant role in product development and differentiation. However, intellectual property litigation to defend or create market advantage is inherently complex, unpredictable and is expensive to pursue. Litigation often is not ultimately resolved until an appeal process is completed and appellate courts frequently overturn lower court patent decisions.

Moreover, competing parties frequently file multiple suits to leverage patent portfolios across product lines, technologies and geographies and to balance risk and exposure between the parties. In some cases, several competitors are parties in the same proceeding, or in a series of related proceedings, or litigate multiple features of a single class of devices. These forces frequently drive settlement not only of individual cases, but also of a series of pending and potentially related and unrelated cases. In addition, although monetary and injunctive relief is typically sought, remedies are generally not determined until the conclusion of the proceedings, and are frequently modified on appeal. Accordingly, the outcomes of individual cases are difficult to time, predict or quantify and are often dependent upon the outcomes of other cases in other forums, both domestic and international.

We rely on a combination of patents, trademarks, trade secrets and non-disclosure agreements to protect our intellectual property. As of February 28, 2018,2021, our patent portfolio includes 1516 issued United States patents as well as multiple issued foreign patents and pending patent applications both in the U.S. and internationally, directed to various compositions and methods of use related to our blood purification technologies, which are expected to expire between 20202021 and 2033,2035, absent any patent term extensions. Management believes that any near-term expiring patents will not have a significant impact on our ongoing business. The following table provides a brief description of our patents that have been issued in the U.S.:

In addition to the above, we have received notice from the U.S. Patent Office that two of our patent applications have been allowed and we are awaiting the issuance of the formal patent number.

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There can be no assurance that pending patent applications will result in issued patents, that patents issued to us will not be challenged or circumvented by competitors, or that such patents will be found to be valid or sufficiently broad to protect our technology or to provide us with a competitive advantage. Certain of these patents also have foreign counterparts.

We also rely on non-disclosure and non-competition agreements with employees, consultants and other parties to protect, in part, trade secrets and other proprietary technology. There can be no assurance that these agreements will not be breached, that we will have adequate remedies for any breach, that others will not independently develop equivalent proprietary information or that third parties will not otherwise gain access to our trade secrets and proprietary knowledge.

Prior to the year 2000, we engaged in discussions with the Dow Chemical Company, (“Dow”), which had indicated a strong interest in being our polymer manufacturer. After a Dow representative on our Advisory Board resigned, Dow filed and received five patents naming our former Advisory Board member as an inventor. These patents, two of which subsequently lapsed for failure to pay maintenance fees, concern the area of coating high divinylbenzene-content polymers to render them hemocompatible, and using such coated polymers to treat blood or plasma. In management’s view the Dow patents improperly incorporate our technology, are based on our proprietary technology, and should not have been granted to Dow. While we believe that our own patents would prevent Dow from producing our products as they are currently envisioned, Dow could attempt to assert its patents against us. To date, to our knowledge, Dow has not utilized their patents for the commercial manufacture of products that would be competitive with us, and we currently have no plans to challenge Dow’s patents. However, the existence of these Dow patents could result in a potential dispute with Dow in the future and additional expenses for us.

We may find it necessary to initiate litigation to enforce our patent rights, to protect our trade secrets or know-how and to determine the scope and validity of the proprietary rights of others. Patent litigation can be costly and time-consuming, and there can be no assurance that our litigation expenses will not be significant in the future or that the outcome of litigation will be favorable to us.

Accordingly, we may seek to settle some or all of our pending litigation described below. Settlement may include cross-licensing of the patents which are the subject of the litigation as well as our other intellectual property and may involve monetary payments to or from third parties.

We currently hold multiple trademarks including CytoSorb®CytoSorb^®, ECOS-300CY^®, VetResQ^®, HemoDefend™, BetaSorb™,DrugSorb™, and  VetResQ™K⁺ontrol^TM. We have spent considerable resources registering the trademark and building brand awareness and equity of the CytoSorb®CytoSorb^® tradename, which has been used in commerce since 2006. We expect to maintain and defend our various trademarks to the fullest extent possible.

Environmental Matters

We believe that there are no compliance issues associated with applicable environmental laws and regulations that would have a material adverse effect on us or our business. We incur waste removal costs in connection with both our solid and liquid wastes which are byproducts of our manufacturing process. We utilize the services of various qualified contractors to dispose of these waste products. These waste removal costs amounted to approximately $125,000$324,000 for the year ended December 31, 2017.2020.

Employees

As of FebruaryMarch 1, 2018,2021, we had 84195 full-time and part-time employees. We also utilize consultants and temporary service providers who are not our employees, as necessary. None of our employees are represented by a labor union or are subject to collective-bargaining agreements.agreements and we believe we have good relationships with our employees.

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Financial Information

Our Financial Statements and notes thereto are included elsewhere in this Annual Report on Form 10-K and incorporated herein by reference. See Item 15 of Part IV.

Risks Related to our Business and our Industry

We have a history of losses and expect to incur substantial future losses, and the report of our auditor on our consolidated financial statements expresses substantial doubt about our ability to continue as a going concern.

We have experienced substantial operating losses since inception. As of December 31, 2017,2020, we had an accumulated deficit of approximately $152,313,000,$196,627,000, which included net losses of approximately $8,461,000, $11,763,000,$7,837,000        $19,266,000, and $9,477,000$17,211,000 for the years ended December 31, 2017, 20162020, 2019 and 2015,2018, respectively. Due in part to these losses, our audited consolidated financial statements have been prepared assuming we will continue as a going concern, and the auditors’ report on those financial statements express substantial doubt about our ability to continue as a going concern. Our losses have resulted principally from costs incurred in the research and development of our polymer technology, clinical studies and general and administrative expenses. We intend to conduct significant additional research, development, and clinical study activities which, together with expenses incurred for the establishment of manufacturing arrangements and a marketing and distribution presence and other general and administrative expenses, are expected to result in continuing operatingnet losses for the foreseeable future. The amount of future losses and when, if ever, we will achieve profitability are uncertain. Our ability to achieve profitability will depend, among other things, on continued adoption and usage of our products in the market, obtaining additional regulatory approvals in markets not covered by the CE Mark,mark, establishing sales and marketing arrangements with third parties, satisfactory reimbursement in key territories, and raising sufficient funds to finance our activities. No assurance can be given that our product development efforts will be successful, that our current CE Mark will enable us to achieve profitability, that additional regulatory approvals in other countries will be obtained, that any of our products will be manufactured at a competitive cost and will be of acceptable quality, that reimbursement will be available or satisfactory, that we will be able to achieve profitability or that profitability, if achieved, can be sustained, or our ability to raise additional capital when needed or on terms acceptable to us. Our failure with respect to any or all of these matters would have a material adverse effect on our business, operating results, financial condition and prospects.

We willmay require additional capital in the future to fund our operations.

As of December 31, 2017,2020, we had current assets of approximately $20,739,000,$82,453,000, including cash on hand of approximately $17,322,000$71,422,000 and current liabilities of approximately $7,848,000.$10,153,000. For the year ended December 31, 2017,2020, our cash burn, which we define as the total of cash used in operating and investing activities from our statement of cash flows, was approximately $6.6 million.$7,290,000.  Our current and historical cash burn is not necessarily indicative of our future use of cash and cash equivalents.

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