1. Age 60 years or younger
2. Diagnosed with one of the following:
- Acute myeloid leukemia (AML) beyond 1st remission, or intermediate or high-risk AML in 1st complete remission
- Myelodysplastic syndrome (MDS)
3. A suitable donor is available
Other eligibility criteria may apply.
Prior or concurrent umbilical cord blood transplantation (prior autologous or allogeneic hematopoietic stem cell transplantation is allowed)
Inadequate organ function (heart, lung, kidney, liver)
Active infectious disease, HIV-positivity, or active infectious hepatitis
CNS leukemic involvement
Pregnant or lactating Other exclusion criteria may apply.