- Patients with Philadelphia-Positive (Ph+) (or BCR/ABL+) accelerated phase chronic myeloid leukemia, Ph+ (or BCR/ABL+) blast phase chronic myeloid leukemia, or Ph+ (or BCR/ABL+) acute lymphoblastic leukemia whose disease has primary or acquired hematologic resistance to imatinib mesylate or who are intolerant of imatinib mesylate