LINCOLNSHIRE, Ill.--(BUSINESS WIRE)--BioSante Pharmaceuticals, Inc. (NASDAQ: BPAX) today announced positive GVAX AML Vaccine results and BioSante’s receipt of Orphan Drug designation from the FDA’s Office of Orphan Products Development for GVAX AML Vaccine in the treatment of acute myeloid leukemia (AML). This Orphan Drug designation is the second GVAX cancer vaccine from BioSante to secure FDA orphan drug designation.