The clinical potential of inotuzumab ozogamicin in relapsed and refractory acute lymphocytic leukemia.

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Yilmaz M, Richard S, Jabbour E

The clinical potential of inotuzumab ozogamicin in relapsed and refractory acute lymphocytic leukemia.

Ther Adv Hematol. 2015 Oct;6(5):253-61. doi: 10.1177/2040620715596715.

PubMed ID
26425338 [ View in PubMed
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Abstract

Antibody-drug conjugates (ADCs) are likely to make a significant contribution in the treatment of acute lymphoblastic leukemia (ALL) by combining the cytotoxicity of chemotherapy with the specificity of monoclonal antibodies. CD22, an endocytic receptor expressed by the majority of B cells, is an excellent target for ADCs. Inotuzumab ozogamicin (INO) is an ADC that consists of a cytotoxic moiety (derivative of calicheamicin) attached to a humanized monoclonal anti-CD22 antibody. As a single agent, INO, was shown to be effective with an objective response rate of 50% in the treatment of relapsed and refractory CD22 positive ALL patients. Clinical trials investigating the combination of INO with the conventional chemotherapies are ongoing. This review summarizes the clinical potential of INO in treatment of relapsed and refractory ALL, based on currently available data in the literature.

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