2. Patients with a confirmed diagnosis of AML or MDS, according to WHO classification (excluding acute promyelocytic leukaemia) who have received two or three previous induction/re-induction regimens. One of the (re-)induction regimens could be stem cell transplantation (SCT) for achievement of remission. Maintenance and consolidation (including SCT) may have been given, but are not counted as previous regimens.