Gemtuzumab Ozogamicin
生产企业：Wyeth pharmaceuticals inc
Gemtuzumab ozogamicin is a monoclonal anti-CD33 antibody used to treat CD33-positive acute myeloid leukemia.
Gemtuzumab ozogamicin is a monoclonal anti-CD33 antibody used to treat CD33-positive acute myeloid leukemia.
Mylotarg is directed against the CD33 antigen expressed by hematopoietic cells. Binding of the anti-CD33 antibody portion of Mylotarg with the CD33 antigen results in the formation of a complex that is internalized. Upon internalization, the calicheamicin derivative is released inside the lysosomes of the myeloid cell. The released calicheamicin derivative binds to DNA in the minor groove resulting in site-specific DNA double strand breaks via formation of a p-benzene diradical . Eventually, cell death is induced.
Indicated for the treatment of patients with CD33 positive acute myeloid leukemia in first relapse who are 60 years of age or older and who are not considered candidates for other cytotoxic chemotherapy. Indicated for the treatment of patients aged 2 years and older with CD33-positive AML who have experienced a relapse or who have not responded to initial treatment (refractory).
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