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                          SECURITIES AND EXCHANGE COMMISSION
                               Washington, D.C.  20549
                                           

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                                       FORM 8-K
                                           
                                           
                    CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d)
                        OF THE SECURITIES EXCHANGE ACT OF 1934
                                           
                                            
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         Date of Report (Date of earliest event reported) December 19, 1997
                            Commission File Number 0-23252
                                           
                                           
                               IGEN INTERNATIONAL, INC.
                              (Exact name of registrant)
                                           
       Delaware                                      94-2852543
(State of organization)                (I.R.S. Employer Identification Number)


                 16020 Industrial Drive, Gaithersburg Maryland 20877
                (Address of principal executive offices and zip code)

                                    (301) 984-8000
                           (Registrant's telephone Number)




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ITEM 5.  OTHER EVENTS

IGEN International, Inc. (the "Company") issued the following press notice on
December 22, 1997:

    GAITHERSBURG, MD, December 22, 1997 -- IGEN International, Inc.
    (NASDAQ:  IGEN) today announced the completion of a convertible,
    preferred stock financing for $25 million.

    The private financing, which was oversubscribed, was arranged by
    Credit Suisse First Boston Corporation and included several of the
    Company's current investors as well as new investor groups.

    "This financing provides us with the capital to continue advancing our
    business plan," said Samuel Wohlstadter, Chief Executive Officer of
    IGEN.  "We believe this commitment by a premier group of current and
    new investors provides recognition of our progress and future
    prospects.  We look forward to continuing to strengthen long-term
    relationships with all of our investors and other stakeholders."

    The preferred shares have not been registered under the Securities Act
    of 1933, as amended, or any state securities or blue sky laws and may
    not be offered or sold in the United States or in any state thereof
    absent registration or an applicable exemption from the registration
    requirements of such laws.

    IGEN develops, manufactures, and markets diagnostic systems utilizing
    its patented ORIGEN technology, which is based on
    electrochemiluminescence.  ORIGEN provides uniform assay formats to
    conduct a multitude of diagnostic tests including immunoassay, nucleic
    acid probe, and clinical chemistry tests.  Products using the IGEN
    technology include systems marketed by IGEN and its licensees,
    Boehringer Mannheim, Organon Teknika and Eisai.

    STATEMENTS IN THIS RELEASE THAT RELATE TO FINANCIAL OR OPERATIONAL
    PERFORMANCE ARE FORWARD-LOOKING STATEMENTS.  ACTUAL RESULTS MIGHT
    DIFFER MATERIALLY FROM THESE STATEMENTS DUE TO RISKS AND
    UNCERTAINTIES, INCLUDING THE IMPACT OF COMPETITIVE PRODUCTS AND
    PRICING, THE TIMELY DEVELOPMENT AND MARKET ACCEPTANCE OF NEW PRODUCTS,
    MARKET CONDITIONS AND ENFORCEMENT OF INTELLECTUAL PROPERTY RIGHTS.  A
    MORE DETAILED DESCRIPTION OF THESE RISKS AND OTHER RISKS APPLICABLE TO
    IGEN APPEARS IN IGEN'S ANNUAL REPORT ON FORM 10-K FOR THE YEAR ENDED
    MARCH 31, 1997, FILED WITH THE SECURITIES AND EXCHANGE COMMISSION AND
    AVAILABLE UPON REQUEST FROM IGEN.  IGEN DISCLAIMS ANY INTENT OR
    OBLIGATION TO UPDATE THESE FORWARD LOOKING STATEMENTS.

    IGEN and ORIGEN are registered trademarks of IGEN International, Inc.

Attached as part of this Form 8-K and incorporated herein by reference is the
IGEN International, Inc. Balance Sheet with Pro Forma Information (Unaudited)
dated as of November 30, 1997.  Such balance sheet sets forth data as of
November 30, 1997 and gives pro forma effect to the transactions described above
and resulting adjustments.  This pro forma information contains estimates and
projections which may differ materially from actual results.  The Company
ordinarily provides complete financial information in quarterly and annual
reports.  Insofar as the Company has not provided complete and comparable
financial information as of November 30, 1997 and 1996, this information may be
of limited use to the investing public.

                                     Page 2 of 5


ITEM 7.  EXHIBITS
                                                                  Sequentially
       Exhibit No.                                               Numbered Page

           99    IGEN International, Inc. Balance Sheet with 
                 Pro-forma Information (Unaudited), dated as 
                 of November 30, 1997..................................1



                                     Page 3 of 5


                                      SIGNATURE


    Pursuant to the requirements of the Securities Exchange Act of 1934, the
registrant has duly caused this report to be signed on its behalf by the
undersigned hereunto duly authorized.


                                          IGEN INTERNATIONAL, INC.



                                          BY:     /s/ GEORGE V. MIGAUSKY 
                                             _________________________________
                                             George V. Migausky
                                             Chief Financial Officer


Dated:  December 24, 1997



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