SOUTH SAN FRANCISCO, Calif., June 6, 2011 (GLOBE NEWSWIRE) -- Sunesis Pharmaceuticals, Inc. (Nasdaq:SNSS) today announced the presentation of the adaptive study design for its Phase 3 VALOR trial of vosaroxin in acute myeloid leukemia (AML) at the Trials in Progress Poster Session of the 2011 American Society of Clinical Oncology (ASCO) Annual Meeting in Chicago, Illinois. The poster (Poster #48G), entitled “Adaptive design of VALOR, a phase 3 trial of vosaroxin or placebo in combination with cytarabine for patients with first relapsed or refractory acute myeloid leukemia,” is available on the Sunesis website at www.sunesis.com.