Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We consent to the incorporation by reference in the registration statements on Form S-8 (No. 333-126551 and No. 333-151903) and the registration statements on Form S-3 (No. 333-117022, No. 333-127857, No. 333-113824, No. 333-159376 and No. 333-164177) of our report dated March 18, 2010 with respect to our audit of the consolidated financial statements of ADVENTRX Pharmaceuticals, Inc. and Subsidiaries (a development stage enterprise) as of December 31, 2009 and 2008, and for the years then ended, and for the period from January 1, 2002 through December 31, 2009, which report appears in this Annual Report on Form 10-K for the year ended December 31, 2009.

/s/ J.H. COHN LLP

San Diego, California
March 18, 2010