1 EXHIBIT 23.2 CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS As independent public accountants, we hereby consent to the incorporation by reference in this registration statement (File No. 333-73009) of our report dated February 26, 1999 included in NeoTherapeutics, Inc.'s Form 10-K for the year ended December 31, 1998 and to all references to our firm included in this registration statement. ARTHUR ANDERSEN LLP Orange County, California May 27, 1999