An object of the present invention is to provide pharmaceutical agents that reduce risk for decrease in bone mineral density due to their effect of reducing estrogen levels and exert excellent therapeutic effects on endometriosis. The present invention relates to pharmaceutical compositions for treating endometriosis comprising 3-[2-fluoro-5-(2,3-difluoro-6-methoxybenzyloxy)-4-methoxyphenyl]-2,4-dioxo-1,2,3,4-tetrahydrothieno[3,4-d]pyrimidine-5-carboxylic acid or a pharmaceutically acceptable salt thereof, which are administered orally once a day at a daily dose of between 50 mg and 75 mg calculated as a free form.
本发明的目的是提供一种药物制剂,该药物制剂由于具有降低
雌激素水平的作用,可降低骨矿物质密度下降的风险,并对子宫内膜异位症具有良好的治疗效果。本发明涉及治疗子宫内膜异位症的药物组合物,其包含 3-[2-
氟-5-(2,3-二
氟-6-甲氧基苄氧基)-4-
甲氧基苯基]-2,4-二氧代-1,2,3,4-
四氢噻吩并[3,4-d]
嘧啶-5-
羧酸或其药学上可接受的盐,每天口服一次,每日剂量以游离形式计算在 50 毫克至 75 毫克之间。