MENLO PARK, Calif.--(BUSINESS WIRE)--Geron Corporation (Nasdaq:GERN) today announced the presentation of interim data from its ongoing trial of imetelstat (GRN163L), a telomerase inhibitor drug, in patients with refractory, advanced solid cancers at the 2009 AACR-NCI-EORTC International Conference on Molecular Targets and Cancer Therapeutics in Boston.