Provided are an extended release preparation for oral administration of bosentan including bosentan, a pharmaceutically acceptable salt thereof or a solvate thereof as an active ingredient and a hydrophilic polymer as a sustained release excipient, and a method of manufacturing the same. Accordingly, the number of administrations of the bosentan, a pharmaceutically acceptable salt thereof or a solvate thereof may be reduced, thereby enhancing ease of administration and patient compliance. In addition, the extended release preparation for oral administration of bosentan may be effectively manufactured.
本发明提供了一种用于口服
波生坦的缓释制剂,包括作为活性成分的
波生坦、其药学上可接受的盐或其溶液和作为缓释赋形剂的亲
水性聚合物,以及制造该制剂的方法。因此,可以减少
波生坦、其药学上可接受的盐或其溶液的给药次数,从而提高给药的便利性和患者的依从性。此外,还可以有效地制造用于口服
波生坦的缓释制剂。