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.
- mifepristone
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A derivative of the synthetic progestin norethindrone with antiprogesterone activity. Mifepristone competitively binds to the progesterone receptor, resulting in inhibition of the effects of endogenous or exogenous progesterone. This agent also exhibits antiglucocorticoid and weak antiandrogenic activities. Check for active clinical trials using this agent. (NCI Thesaurus)
US brand name: Mifeprex Foreign brand name: Mifegyne Code name: RU 486
RU-38486Chemical structure: - (aa Beta, 17 beta)-11-[4-(dimethylamino)-phenyl]-17-hydroxy-17-(1-propynyl)estra-4,9-dien-3-one
- 11 beta-[4-(N,N-dimethylamino)phenyl]-17alpha-(propyl-1-ynyl)-delta-4,9-estradiene-17 beta-ol-3-one
- 11-((4-dimethylamino) phenyl)-17-Hydroxy-17-(1-propynyl) estra-4,9- dien-3-one