CLEVELAND, April 9 /PRNewswire-FirstCall/ -- Cleveland BioLabs, Inc. (Nasdaq: CBLI - News; BSE: CFB - News), announced today the results of its study of Protectan CBLB502's efficacy as a mitigator of both gastrointestinal (GI) and hematopoietic (bone marrow/blood production) radiation-induced damage in non-human primates. The Company's Chief Scientific Officer, Andrei Gudkov, Ph.D, D. Sci., will present results of the study at the 2007 American Association for Cancer Research (AACR) Annual Meeting, April 14-18, in Los Angeles, CA.