Talon Therapeutics (TLON) 10-Q 2007 Q2 Quarterly report

Exhibit 32.1

CERTIFICATIONS PURSUANT TO

18 U.S.C. SECTION 1350, AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, each of the undersigned officers of Hana Biosciences, Inc. do hereby certify that to the best of his knowledge:

(a) the Quarterly Report on Form 10-Q of Hana Biosciences, Inc. for the year ended December 31, 2006 (the “Report”) fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

(b) information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of Hana Biosciences, Inc.

Dated: August 9, 2007	/s/ Mark J. Ahn
	Mark J. Ahn President and Chief Executive Officer

Dated: August 9, 2007	/s/ John P. Iparraguirre
	John P. Iparraguirre Vice President, Chief Financial Officer