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-HER2 ADC DS-8201a
An antibody-drug conjugate (ADC) composed of a monoclonal antibody targeting human epidermal growth factor receptor 2 (ERBB2; EGFR2; HER2) conjugated to a derivative of the camptothecin analog exatecan (DXd; DX-8951 derivative), a DNA topoisomerase 1 (topoisomerase I; Top1) inhibitor, with potential antineoplastic activity. Upon administration of anti-HER2 ADC conjugate DS-8201a, the antibody moiety targets and binds to HER2 on tumor cells. Upon antibody/antigen binding and internalization, the DX-8951 derivative moiety binds to and inhibits Top1-DNA complexes, which results in an inhibition of DNA replication, cell cycle arrest and tumor cell apoptosis. HER2, a tyrosine kinase receptor, is overexpressed by many cancer cell types. In addition, DS-8201a induces antibody-dependent cell-mediated cytotoxicity (ADCC) and causes a bystander killing effect, thereby killing neighboring HER2-expressing tumor cells. Check for active clinical trials using this agent. (NCI Thesaurus)

Synonym:ADC DS-8201a
anti-HER2 antibody-drug conjugate DS-8201a
Code name:DS-8201a