Relapse Prevention of Duodenal Ulcers with Trimipramine, Cimetidine, or Placebo

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Abstract
In a double-blind study 83 patients with duodenal ulcers, initially healed after treatment with either 1 g cimetidine daily or 50 mg trimipramine daily, were allocated by randomization to maintenance treatment with either 400 mg cimetidine daily, 25 mg trimipramine daily, or placebo for 6 months. Monthly clinical interviews were carried out and endoscopy performed whenever the symptoms suggested ulcer relapse. After 6 months the treatment was discontinued, and the patients were observed similarly for another 6-month period. After 6 months of maintenance treatment 88% in the cimetidine group versus 55% in the trimipramine group and 53% in the placebo group remained in symptomatic remission, yielding a significant difference between the cimetidine-treated patients and the two other groups (P < 0.05). After a further 6 months of drug-free follow-up study, the percentages were 48% versus 29% and 29% in the cimetidine, trimipramine, and placebo groups, respectively (P < 0.05). Thus maintenance treatment with trimipramine proved no better than placebo in preventing relapses of duodenal ulcers. Second, maintenance treatment with 400 mg cimetidine daily did prevent ulcer relapse, and, third, maintenance treatment with cimetidine for 6 months did not alter the long-term course of the duodenal ulcer disease.