The present invention is concerned with compounds having a pharmaceutically acceptable degree of purity, and with formulations of these compounds for the treatment of inflammatory disorders in the intestine (IBD), especially ulcerative colitis. These compounds are 4,5'-azo-bis-salicylic acid (I) and its pharmaceutically acceptable salts, especially the disodium salt. The invention is also concerned with a method for treating inflammatory conditions in the intestine, especially ulcerative colitis. Finally the invention also comprises a method of producing 4,5'-azo-bis-salicylic acid with a pharmaceutically acceptable degree of purity.
本发明涉及具有药学上可接受纯度的化合物,以及这些化合物的制剂,用于治疗肠道炎症性疾病(IBD),特别是溃疡性结肠炎。这些化合物是4,5'-偶氮双-
水杨酸(I)及其药学上可接受的盐,特别是二钠盐。本发明还涉及一种治疗肠道炎症性疾病,特别是溃疡性结肠炎的方法。最后,本发明还包括一种制备具有药学上可接受纯度的4,5'-偶氮双-
水杨酸的方法。