MEMPHIS, Tenn.--(BUSINESS WIRE)--GTx, Inc. (NASDAQ: GTXI) announced today the appointment of Michael K. Brawer, MD as Executive Director of Medical Affairs and Clinical Development. Dr. Brawer will assist GTx Chief Medical Officer Ronald A. Morton, Jr. and Vice President of Medical Affairs Shontelle Dodson in educating the medical community about disease states of interest to GTx and will also participate in the development and execution of clinical research.