Gemtuzumab ozogamicin in combination with busulfan and cyclophosphamide (immunochemotherapy) conditioning followed by allogeneic stem cell transplantation + anti-thymocyte globulin (unrelated donors only) in patients with high risk CD33+AML or MDS meeting eligibility criteria.
Targeted immune therapy with gemtuzumab ozogamicin (Mylotarg) in combination with chemotherapy followed by allogeneic stem cell transplantation will be given to patients with high risk acute myelogenous leukemia (AML) or myelodysplastic syndrome (MDS).