- Relapsed/refractory leukemias including acute non-lymphocytic leukemia (AML), acute lymphocytic leukemia (ALL), chronic lymphocytic leukemia (CLL), and chronic myelogenous leukemia in blastic phase (CML-BP) for which no standard therapies are anticipated to result in a durable remission; or poor-risk myelodysplasia (MDS) patients to include refractory anemia with excess blasts (RAEB) or excess blasts in transformation (RAEBT) and chronic myelomonocytic leukemia (CMML) who are either relapsed/refractory or who refuse/are not eligible for frontline therapy.