TUSTIN, CA--(Marketwire - Aug 22, 2011) - Radient Pharmaceuticals Corporation "the Company" or "Radient" (OTCQX: RXPC) (PINKSHEETS: RXPC), a developer and marketer of In Vitro Diagnostic (IVD) cancer tests, today announced the appointment of biotech executive Leonard M. J. Reyno, M.D. to its Board of Directors. Dr. Reyno replaces Minghui Jia, who resigned from the Company's Board of Directors effective August 19th, 2011.