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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vadastuximab talirine
An immunoconjugate consisting of a humanized monoclonal antibody that is engineered to contain cysteine residues that are conjugated to the synthetic, DNA cross-linking, pyrrolobenzodiazepine dimer SGD-1882, via the protease-cleavable linker maleimidocaproyl-valine-alanine dipeptide, with potential antineoplastic activity. The monoclonal antibody portion of the vadastuximab talirine specifically binds to the cell surface antigen CD33. This causes the internalization of vadastuximab talirine, and the release of the cytotoxic moiety SGD-1882. SGD-1882 binds to and crosslinks DNA, which results in both cell cycle arrest and the induction of apoptosis in CD33-expressing tumor cells. CD33, a transmembrane receptor, is expressed on myeloid leukemia cells. Check for active clinical trials using this agent. (NCI Thesaurus)

Synonym:anti-CD33 antibody-drug conjugate SGN-CD33A
Code name:33A
SGN-CD33A