The present invention is directed to novel heteroatom containing tetracyclic derivatives, pharmaceutical compositions containing them and their use in the treatment of disorders mediated by one or more estrogen receptors. The compounds of the invention are useful in the treatment of disorders associated with the depletion of estrogen such as hot flashes, vaginal dryness, osteopenia and osteoporosis; hormone sensitive cancers and hyperplasia of the breast, endometrium, cervix and prostate; endometriosis, uterine fibroids, osteoarthritis and as contraceptive agents, alone or in combination with a progestogen or progestogen antagonist.
本发明涉及一种新型含杂原子的四环衍
生物,以及包含它们的制药组合物,以及它们在治疗由一个或多个
雌激素受体介导的疾病中的应用。本发明的化合物在治疗与
雌激素耗竭有关的疾病方面具有用途,例如潮热、阴道干燥、骨质疏松和骨质疏松症;激素敏感性癌症和乳腺、子宫内膜、宫颈和前列腺的增生;子宫内膜异位症、子宫肌瘤、骨关节炎以及作为避孕剂,单独或与孕激素或孕激素拮抗剂联合使用。