SAN DIEGO, May 17, 2010 (GLOBE NEWSWIRE) -- Harbor BioSciences, Inc. (Nasdaq:HRBR) today announced that new data from the Phase I/IIa clinical trial of the company’s lead drug candidate Apoptone®, its anticancer drug candidate being developed for prostate cancer, will be presented as part of the Scientific Program in a General Poster Session at the American Society of Clinical Oncology (ASCO) Annual Meeting. The meeting will be held June 4 – 8, 2010 at the McCormick Place Convention Center in Chicago. Illinois. Apoptone is a novel synthetic steroid analog of a dihydrotestosterone metabolite and has been found to induce cell death (apoptosis) in animal models of prostate and breast cancers.