A | B | C | D | E | F | G | H | CH | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | 0 | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9
Clinical data | |
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Other names | ORG-OM-38; Delta-4-Tibolone; 7α-Methylnorethisterone; 7α-Methyl-17α-ethynyl-19-nortestosterone; 17α-Ethynyl-17β-hydroxy-7α-methyl-4-estren-3-one |
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CAS Number | |
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Chemical and physical data | |
Formula | C21H28O2 |
Molar mass | 312.453 g·mol−1 |
3D model (JSmol) | |
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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.
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