- Diagnosis of acute myeloid leukemia by World Health Organization (WHO) criteria (except acute promyelocytic leukemia), acute leukemias of ambiguous lineage by WHO criteria, or myelodysplastic syndrome refractory anemia with excess blasts (RAEB)-2 by WHO classification or advanced myeloproliferative neoplasm with >= 10% blasts in the bone marrow or peripheral blood, including chronic myelomonocytic leukemia (CMML)-2 by WHO classification who have failed 2 inductions at initial diagnosis or failed >= 2 salvage regimens for relapsed acute myeloid leukemia (AML)