ST. LOUIS, Missouri, Dec. 6 (TNSres) -- The Washington University School of Medicine issued the following news release: * * * Clinical trial indicates safety, fewer cases of life-threatening graft-versus-host disease than expected * * * Adding a new drug to standard care for stem cell transplant recipients may reduce a life-threatening side effect, according to an early-stage clinical trial conducted at Washington University School of Medicine in St. Louis. The trial showed that patients bei more PR