LG-2527 is a nonsteroidal progestin which was under development by Ligand Pharmaceuticals and Wyeth for the treatment of menopausal symptoms and breast cancer, but was never marketed.[1] It reached the preclinical stage of development prior to the discontinuation of its development in early 2001.[1] 
 References
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| PRTooltip Progesterone receptor | | Agonists |      Testosterone derivatives: Progestins: 6,6-Difluoronorethisterone6,6-Difluoronorethisterone acetate17α-Allyl-19-nortestosteroneAllylestrenolAltrenogestChloroethynylnorgestrelCingestolDanazolDesogestrelDienogestEthinylandrostenediol EthisteroneEthyneroneEtonogestrelEtynodiolEtynodiol diacetateGestodeneGestrinoneLevonorgestrelLevonorgestrel esters (e.g., levonorgestrel butanoate)LynestrenolLynestrenol phenylpropionateMetynodiolMetynodiol diacetateNorelgestrominNorethisterone (norethindrone)Norethisterone esters (e.g., norethisterone acetate, norethisterone enanthate)NoretynodrelNorgesteroneNorgestimateNorgestrelNorgestrienoneNorvinisteroneOxendoloneQuingestanolQuingestanol acetateTiboloneTigestolTosagestin; Anabolic–androgenic steroids: 11β-Methyl-19-nortestosterone11β-Methyl-19-nortestosterone dodecylcarbonate19-Nor-5-androstenediol19-Nor-5-androstenedione19-NordehydroepiandrosteroneBolandiolBolandiol dipropionateBolandioneDimethisteroneDienedioneDienoloneDimethandroloneDimethandrolone buciclateDimethandrolone dodecylcarbonateDimethandrolone undecanoateDimethyldienoloneDimethyltrienoloneEthyldienoloneEthylestrenol (ethylnandrol)MethyldienoloneMetribolone (R-1881)Methoxydienone (methoxygonadiene)MiboleroneNandroloneNandrolone esters (e.g., nandrolone decanoate, nandrolone phenylpropionate)NorethandroloneNormethandrone (methylestrenolone, normethandrolone, normethisterone)RU-2309TetrahydrogestrinoneTrenbolone (trienolone)Trenbolone esters (e.g., trenbolone acetate, trenbolone enanthate)TrendioneTrestoloneTrestolone acetate
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 | Mixed (SPRMsTooltip Selective progesterone receptor modulators)
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| mPRTooltip Membrane progesterone receptor (PAQRTooltip Progestin and adipoQ receptor)
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|  See alsoReceptor/signaling modulatorsProgestogens and antiprogestogensAndrogen receptor modulatorsEstrogen receptor modulatorsList of progestogens
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