A Selective Androgen Receptor Modulator for Symptom Management in Prostate Cancer

This research study is a Phase II clinical trial. Phase II clinical trials test the safety and effectiveness of an investigational intervention to learn whether the intervention works in treating a specific disease. "Investigational" means that the intervention is being studied. The FDA (the U.S. Food and Drug Administration) has not approved LY SARM/LY2452473 as a treatment for any disease. In this research study, the investigators are studying a new investigational drug called LY SARM (LY2452473). Concerns about the potential adverse effects of testosterone on the prostate have led to the development of molecules called SARMs (Selective Androgen Receptor Modulators). This investigational drug may improve sexual function, quality of life, muscle and bone mass in men with prostate cancer. This molecule was chosen because there is some evidence that shows it may help to improve sexual function and aid in the improvement of muscle mass while not having any influence on the prostate.