The present invention relates to an agent for the prophylaxis and treatment of diseases caused by Helicobacter infections, which comprises (S)-1-cyclopropyl-1,4-dihydro-7-[2-(N,N-dimethylaminomethyl)morpholino]-6-fluoro-8-methoxy-4-oxoquinoline-3-carboxylic acid or a pharmaceutically acceptable salt thereof. The prophylactic and therapeutic agent of the present invention is effective even when used alone in a small dose for a short time, is almost free of problematic side effects such as tolerance and diarrhea, and is low toxic and capable of safe and ensured bacterial eradication. It is useful for the prophylaxis and treatment of diseases caused by Helicobacter infections, particularly, gastritis, gastric ulcer, duodenal ulcer, malignant lymphoma and gastric cancer.
本发明涉及一种用于预防和治疗由幽门螺杆菌感染引起的疾病的制剂,包括(S)-1-环丙基-1,4-二氢-7-[2-(N,N-二甲基
氨甲基)吗啉基]-6-
氟-8-甲氧基-4-氧代
喹啉-3-羧酸或其药学上可接受的盐。本发明的预防和治疗剂即使在小剂量和短时间内单独使用也有效,几乎没有耐受性和腹泻等问题性副作用,毒性低且能够安全有效地根除细菌。它对于预防和治疗由幽门螺杆菌感染引起的疾病特别有效,包括胃炎、胃溃疡、十二指肠溃疡、恶性淋巴瘤和胃癌。