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Chemical compound
δ4-Tibolone (developmental code name ORG-OM-38), also known as 7α-methylnorethisterone or as 7α-methyl-17α-ethynyl-19-nortestosterone, is a synthetic androgen and progestin which was never marketed.[1][2] The compound is a major active metabolite of tibolone, which itself is a prodrug of δ4-tibolone along with 3α-hydroxytibolone and 3β-hydroxytibolone (which, in contrast to δ4-tibolone, are estrogens).[1] Tibolone and δ4-tibolone are thought to be responsible for the androgenic and progestogenic activity of tibolone, while 3α-hydroxytibolone and 3β-hydroxytibolone are thought to be responsible for its estrogenic activity.[1]
See also
References
- ^ a b c Kuhl H (2005). "Pharmacology of estrogens and progestogens: influence of different routes of administration" (PDF). Climacteric. 8 (Suppl 1): 3–63. doi:10.1080/13697130500148875. PMID 16112947. S2CID 24616324.
- ^ Escande A, Servant N, Rabenoelina F, Auzou G, Kloosterboer H, Cavaillès V, Balaguer P, Maudelonde T (2009). "Regulation of activities of steroid hormone receptors by tibolone and its primary metabolites". J. Steroid Biochem. Mol. Biol. 116 (1–2): 8–14. doi:10.1016/j.jsbmb.2009.03.008. PMID 19464167. S2CID 18346113.
PRTooltip Progesterone receptor |
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mPRTooltip Membrane progesterone receptor (PAQRTooltip Progestin and adipoQ receptor) |
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