Methylepitiostanol

Chemical compound

Methylepitiostanol, known by the nicknames Epistane, Hemapolin, Havoc, and Epi Plex, is a synthetic and orally active anabolic–androgenic steroid (AAS) of the dihydrotestosterone (DHT) group which was first described in the literature in 1974 but was never marketed for medical use. It is the 17α-methylated derivative of epitiostanol, an AAS and antiestrogen which was formerly used in the treatment of breast cancer in Japan. Similarly to mepitiostane, methylepitiostanol is an orally active variant of epitiostanol. Due to its C17α methyl group, the drug is considered to have a high potential for hepatotoxicity.

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