Sunesis Pharmaceuticals to Present Data on Two Product Candidates at the 49th Annual Meeting of the American Society of ...( Management and Third-Party Investi...),Health

Management and Third-Party Investigators to Conduct Conference Call on December 10, 2007 to Discuss SNS-595 Clinical Trial Results and SNS-032

Non-clinical Data

SOUTH SAN FRANCISCO, Calif., Nov. 29 /PRNewswire-FirstCall/ -- Sunesis Pharmaceuticals, Inc. (Nasdaq: SNSS), a clinical-stage biopharmaceutical company developing novel anticancer therapeutics, today announced that it will present data on the company's two lead product candidates, SNS-595 and SNS-032, at the upcoming 49th Annual Meeting of the American Society of Hematology (ASH). This year's conference will be held December 8-11, 2007 at the Georgia World Congress Center in Atlanta, Georgia. On December 10, 2007, Sunesis management will host a conference call for investors to discuss the data being presented.

Jeffrey Lancet, M.D., of the H. Lee Moffitt Cancer Center & Research Institute will present results from Sunesis' Phase 1 clinical trial of SNS-595, a replication-dependent DNA damaging agent, as part of the oral session "Acute Myeloid Leukemias: Therapy, excluding Transplantation-Novel Therapies." The presentation, titled "SNS-595 Demonstrates Clinical Responses in a Phase 1 Study in Acute Leukemia," (Abstract no. 442), will be conducted in Room A411-A412 at 2:15 p.m. Eastern Time on Monday, December 10, 2007.

In addition, the company will present non-clinical data on SNS-032, a cyclin-dependent kinase (CDK) inhibitor, during poster session "CLL: Salvage Therapies and New Agents." The poster, "Mechanism of Action of SNS-032, a Novel Cyclin Dependent Kinase Inhibitor, in Chronic Lymphocytic Leukemia: Comparison with Flavopiridol" (Abstract no. 3112) will be presented in Hall B4 of the Georgia World Con
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