NCI Drug Dictionary

The NCI Drug Dictionary contains technical definitions and synonyms for drugs/agents used to treat patients with cancer or conditions related to cancer. Each drug entry includes links to check for clinical trials listed in NCI's List of Cancer Clinical Trials.

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anti-CD123 ADC IMGN632
An antibody-drug conjugate (ADC) consisting of a humanized anti-CD123 (interleukin-3 (IL-3) receptor alpha chain; IL3RA) immunoglobulin G1 (IgG1) monoclonal antibody conjugated, via a cleavable linker, to a cytotoxic, DNA-alkylating payload, which is an indolino-benzodiazepine dimer containing an imine moiety, with potential antineoplastic activity. Upon administration of anti-CD123 ADC IMGN632, the antibody moiety targets the cell surface antigen CD123. Upon antibody/antigen binding, internalization, and lysosome uptake, the cytotoxic moiety is released, and covalently binds to and alkylates DNA with its imine moiety. This results in cell cycle arrest in S-phase, which leads to apoptosis and inhibition of cell growth in cells overexpressing CD123. CD123, the alpha subunit of the IL-3 receptor, regulates the proliferation, survival and differentiation of hematopoietic cells. CD123 is overexpressed on a variety of cancers. Check for active clinical trials using this agent. (NCI Thesaurus)

Synonym:antibody-drug conjugate IMGN632
CD123-targeted ADC IMGN632
Code name:IMGN 632
IMGN632
IMGN-632