CONSENT OF ERNST & YOUNG LLP, INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in the Registration Statements on Forms S-8 No. 333-42533, No. 333-86001, No. 333-62734 and No. 333-100011 (pertaining to the 1995 Stock Option Plan and the 1998 Stock Option Plan, as amended and restated, and the 2002 Stock Option Plan), Forms S-3 No. 333-33710, No. 333-51250, No. 333-53538, No. 333-112513 and No. 115281 and Form S-1 No. 333-129086 of Titan Pharmaceuticals, Inc. of our report dated February 20, 2004 with respect to the consolidated financial statements of Titan Pharmaceuticals, Inc. for the year ended December 31, 2003 included in this Annual Report (Form 10-K) for the year ended December 31, 2005.
/s/ Ernst & Young LLP
Palo Alto, California
March 14, 2006