为评价呋喃硝胺(ranitidine)对预防胃和十二指肠溃疡复发的功效,在一项双盲研究工作中,对81例原先用呋喃硝胺(150mg,每日2次)或安慰剂治愈后的溃疡病病人,随机每晚给予150mg呋喃硝胺或安慰剂,连用1年。在37例可供评价的十二指肠溃疡病人中,20例服用呋喃硝胺,17例服用安慰剂。服用呋喃硝胺者的 To evaluate the efficacy of ranitidine in preventing recurrence of gastric and duodenal ulcers, 81 patients previously treated with furanitamide (150 mg twice daily) or placebo in a double-blind study After the ulcer patients were randomized to receive either 150 mg of nitrofurantoin or placebo per night for once a year. Of the 37 patients with duodenal ulcer available for evaluation, 20 received ranitidine and 17 received placebo. Taking nitrofurantoes who