1 EXHIBIT 23.2 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this Form S-8 registration statement of our report dated February 4, 2000 included in Cell Pathways, Inc.'s Form 10-K for the year ended December 31, 1999 and to all references to our firm included in this registration statement. ARTHUR ANDERSEN LLP Philadelphia, Pennsylvania December 12, 2000