Exhibit 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS ---------------------------------- We hereby consent to the incorporation by reference in this Registration Statement on Form S-3 of our report dated February 4, 2000 relating to the financial statements, which appears in Endorex Corporation's Annual Report on Form 10-KSB for the year ended December 31, 1999, as amended by Form 10-KSB/A. We also consent to the reference to us under the heading "Experts" in such Registration Statement. PricewaterhouseCoopers LLP Chicago, Illinois December 29, 2000