| Inclusion Criteria: | 1) Provision of signed written informed consent
2) Histological or cytological confirmation of one of the following: a) relapsed or refractory AML or ALL; acute leukaemia in patients who are unsuitable for or refuse standard therapy, b) CML in chronic phase, accelerated phase or blast crisis that is resistant or refractory to standard therapy, c) High-risk MDS, defined as the presence of: i) Refractory anemia with excess blasts (RAEB, 5-19% bone marrow blasts), or ii) RAEB in transformation to AML (RAEBT with 20-30% bone marrow blasts),
3) Continued from #2: d) Advanced MMM defined by the presence of one or more of the following features i) Hemoglobin < 10 gm/dL (100 g/L), ii) Platelet count < 100 x 10^9/L (100,000/muL), iii) White blood cell count < 4 x 10^9/L (4,000/muL) iv) symptomatic splenomegaly or other disease-related symptoms inadequately controlled by conventional therapies
4) ECOG performance status 0, 1 or 2
5) Male or female, age 18 years or older
6) Negative pregnancy test or history of surgical sterility or evidence of post-menopausal status (post-menopausal status is defined as any of the following: natural menopause with menses >1 year ago; radiation induced oophorectomy with last menses >1 year ago; chemotherapy induced menopause with 1 year interval since last menses). |