MENLO PARK, CalifChem-Genex Pharmaceuticals has launched a multinational phase II/III trial of Ceflatonin (homoharringtonine, HHT) in chronic myeloid leukemia patients who have the T315I bcr-abl point mutation, which makes them resistant to tyrosine kinase inhibitors (TKIs) such as imatinib(Drug information on imatinib) (Gleevec). In April, FDA granted Ceflatonin orphan drug status for the treatment of CML.
