MENLO PARK, Calif.--(BUSINESS WIRE)--Geron Corporation (Nasdaq:GERN) today announced the presentation of interim data from its phase II trial of GRNVAC1, an autologous dendritic cell vaccine targeting telomerase, in patients with acute myelogenous leukemia (AML) at the 51st Annual Meeting of the American Society of Hematology (ASH) in New Orleans, Louisiana.