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 .
C0013295
duodenal ulcers
C0008783
cimetidine