申请人:Nippon Shinyaku Co., Ltd.
公开号:EP1712555A1
公开(公告)日:2006-10-18
An object of the present invention is to provide a therapeutic agent for ulcerative colitis which allows 5-aminosalicylic acid (5-ASA) useful as a therapeutic agent for ulcerative colitis to be efficiently delivered to the large intestine of the affected site almost without being absorbed or metabolized in the stomach or the upper part of the small intestine and is safe and can be administered over a long term. The present invention relates to 5-ASA into which D-galactose represented by the following general formula [1] has been introduced.
The compound of the present invention can be efficiently delivered to the large intestine of the site of action, and is degraded by the intestinal bacterial flora, whereby 5-ASA as the active ingredient can be produced in the large intestine.
本发明的目的是提供一种治疗溃疡性结肠炎的药物,它能将作为溃疡性结肠炎治疗药物的5-氨基水杨酸(5-ASA)有效地输送到受影响部位的大肠,几乎不在胃或小肠上部被吸收或代谢,而且安全,可长期给药。本发明涉及 5-ASA,其中引入了由以下通式[1]表示的 D-半乳糖。
本发明的化合物可以有效地输送到作用部位的大肠,并被肠道细菌菌群降解,从而在大肠中产生作为活性成分的 5-ASA。