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.

A synthetic derivative of androstane with adrenocortical suppressive properties. Trilostane reversibly inhibits 3 beta-hydroxysteroid dehydrogenase delta 5-4 isomerase in the adrenal cortex, resulting in the decreased synthesis of mineralocorticoids and glucocorticoids and the decreased conversion of pregnenolone to progesterone. Check for active clinical trials using this agent. (NCI Thesaurus)

US brand name:Modrastane
Foreign brand name:Desopan
Code name:WIN 24,540
WIN 24540
Chemical structure:
  • (4Alpha,5alpha,17beta)-4,5-epoxy-3,17-dihydroxyandrost-2-ene-2-carbonitrile
  • 2Alpha-cyano-4alpha,5alpha-epoxyandrostan-17beta-ol-3-one
  • 4,5-Epoxy-17-hydroxy-3-oxoandrostane-2-carbonitrile