EX-23.1 4 dex231.txt CONSENT OF PRICEWATERHOUSECOOPERS LLP EXHIBIT 23.1 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in this Registration Statement on Form S-8 of our report dated February 4, 2000, relating to the financial statements of Endorex Corporation which appears in Endorex Corporation's Annual Report on Form 10-KSB for the year ended December 31, 2000. /s/ PricewaterhouseCoopers LLP PricewaterhouseCoopers LLP Chicago, Illinois December 13, 2001