EXHIBIT 23.1

CONSENT OF 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, the 1998 Stock Option Plan, as amended and restated, and the 2002 Stock Option Plan), and Forms S-3 (No. 333-33710, No. 333-51250, No. 333-53538 and No. 333-112513) of Titan Pharmaceuticals, Inc. of our reports dated February 15, 2005, relating to the consolidated financial statements of Titan Pharmaceuticals, Inc., Titan Pharmaceuticals, Inc. management’s assessment of the effectiveness of internal control over financial reporting, and the effectiveness of internal control over financial reporting of Titan Pharmaceuticals, Inc., included in this Annual Report on Form 10-K/A for the year ended December 31, 2004.

/s/ ODENBERG ULLAKKO MURANISHI & CO. LLP

 

 

 

 

 

San Francisco, California

 

 

April 14, 2005