- For subjects with ALL or AML, presence of >5% blasts in the bone marrow (based on a bone marrow aspirate/biopsy sample with ≥200 nucleated cells and the presence of bone marrow spicules) and/or >1 x 109/L blasts in the peripheral blood (with the restriction that peripheral blast count in subjects with AML must be <50 x 109/L prior to the start of study therapy).