トリメゲストン

使用Trimegestone causes an increased risk for uterine sarcomas and endometrial cancers with prolonged use. Used in hormone replacement therapies and the treatment of post-menopausal diseases.

一般的な説明Trimegestone, 17β-(S)-lactoyl-17-methyl-estra-4,9-dien-3-one, is a highly modified norprogesteronederivative. The key structural differences are a17β-lactoyl group in place of the typical acetyl group, a17α-methyl, and a C9-C10 double bond. Trimegestonelacks androgenic action and has little to no affinity for theER and GR. Although already approved for treating HRTin Sweden in combination with estradiol, it is still in developmentin the United States for its use in HRT and as a componentof oral contraceptives.