A novel coumarin derivative or a pharmaceutically acceptable salt thereof and also to provide a pharmaceutical agent containing such a compound as an active ingredient is provided. The coumarin derivative or a pharmaceutically acceptable salt thereof exhibits an excellent suppressive action to the destruction of cartilage and suppressive action to the proliferation of synovial cells in a pharmacological test where the release of sulfated glycosaminoglycans (sGAG) and the proliferation of synovial cells are used as indicators whereby it is very useful as an active ingredient of a pharmaceutical composition such as a preventive or therapeutic agent for arthropathy such as osteoarthritis or chronic rheumatoid arthritis.
本发明提供了一种新型
香豆素衍
生物或其药学上可接受的盐,并且提供了一种含有该化合物作为活性成分的药物制剂。该
香豆素衍
生物或其药学上可接受的盐在药理学测试中表现出对软骨破坏的极佳抑制作用以及对滑膜细胞增殖的抑制作用,其中
硫酸化糖胺聚糖(sGAG)的释放和滑膜细胞的增殖被用作指标,因此它非常适用于药物组成中的活性成分,例如预防或治疗关节病如骨关节炎或慢性类风湿性关节炎的药物制剂。