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Gemtuzumab ozogamicin in the treatment of acute myeloid leukemia
1Bone Marrow and Stem Cell Transplant Program, University of Pennsylvania Cancer Center, 16 Penn Tower, 3400 Spruce Street, Philadelphia, PA 19104, USA. stadtmau@mail.med.upenn.edu
Options for treatment of poor-prognosis or relapsed acute myeloid leukemia (AML) remain limited. Gemtuzumab ozogamicin (Mylotarg, Wyeth-Ayerst, Philadelphia, PA) is an immunoconjugate composed of recombinant humanized murine anti-CD33 antibody linked to calicheamicin, a potent cytotoxic agent. Phase II trials have shown the efficacy of gemtuzumab ozogamicin in the treatment of relapsed AML. Trials exploring this agent in other CD33+ hematologic malignancies and in combination with other agents for AML are ongoing. Gemtuzumab ozogamicin is associated with acceptable toxicity as a single agent. However, the incidence of veno-occlusive disease of the liver remains a concern when this agent is used in combination with chemotherapy or in the context of hematopoietic stem cell transplant.
Options for treatment of poor-prognosis or relapsed acute myeloid leukemia (AML) remain limited. Gemtuzumab ozogamicin (Mylotarg, Wyeth-Ayerst, Philadelphia, PA) is an immunoconjugate composed of recombinant humanized murine anti-CD33 antibody linked to calicheamicin, a potent cytotoxic agent. Phase II trials have shown the efficacy of gemtuzumab ozogamicin in the treatment of relapsed AML. Trials exploring this agent in other CD33+ hematologic malignancies and in combination with other agents for AML are ongoing. Gemtuzumab ozogamicin is associated with acceptable toxicity as a single agent. However, the incidence of veno-occlusive disease of the liver remains a concern when this agent is used in combination with chemotherapy or in the context of hematopoietic stem cell transplant.