Sunesis Pharmaceuticals Presents Clinical Trial Data of Voreloxin in Patients with Acute Myeloid Leukemia and Ovarian Cancer at the Chemotherapy Foundation...(of the 65 patients evaluable for safety ...),Health

Date:11/6/2008

of the 65 patients evaluable for safety at 48 mg/m2 dosed every three weeks and 6% of the 35 patients evaluable for safety at 60 mg/m2 dosed every four weeks. Based on this emerging safety profile and low incidence of febrile neutropenia, the dose of voreloxin has been escalated to 75 mg/m2 dosed every four weeks. Sunesis expects to complete enrollment of the 75 mg/m2 cohort by the end of 2008.

A copy of this presentation entitled "Voreloxin (SNS-595) in Platinum-Resistant Ovarian Cancer" is available at http://www.sunesis.com.

About Voreloxin

Voreloxin (formerly SNS-595), is a novel naphthyridine analog, structurally related to quinolones, a class of compounds that has not been used previously for the treatment of cancer. Voreloxin both intercalates DNA and inhibits topoisomerase II, resulting in replication-dependent, site- selective DNA damage, irreversible G2 arrest and apoptosis. Voreloxin is currently being evaluated in a Phase 2 clinical trial (known as the REVEAL-1 trial) in previously untreated elderly AML patients and in a Phase 1b/2 clinical trial combining voreloxin with cytarabine for the treatment of patients with relapsed/refractory AML, as well as in an ongoing Phase 2 single-agent trial in platinum-resistant ovarian cancer. In clinical trials conducted to date, voreloxin has been generally well tolerated and has shown objective responses in both solid and hematologic tumor types.

About Acute Myeloid Leukemia

AML is a rapidly progressing cancer of the blood characterized by the uncontrolled proliferation of immature blast cells in the bone marrow. The Leukemia and Lymphoma Society estimates that over 13,000 new cases of AML were diagnosed and approximately 9,000 deaths from AML occurred in the U.S. during 2007. AML is generally a disease of older adults and the median age of a patient diagnosed with AML is about 67 years. A majority of elderly patients are not consi
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SOURCE Sunesis Pharmaceuticals, Inc. Copyright©2008 PR Newswire. All rights reserved

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