NCI Drug Dictionary

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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.

An analogue of cyclosporin-A. Valspodar inhibits p-glycoprotein, the multidrug resistance efflux pump, thereby restoring the retention and activity of some drugs in some drug-resistant tumor cells. This agent also induces caspase-mediated apoptosis. Check for active clinical trials using this agent. (NCI Thesaurus)
US brand name:Amdray
Code name:PSC 833
Chemical structures:6-[(2S,4R,6E)-4-methyl-2-(methylamino)-3-oxo-6-octenoic acid]cyclosporin D