Doxepin therapy for duodenal ulcer: a controlled trial in patients who failed to respond to cimetidine.

Ten patients with endoscopically proven active duodenal ulcers completed a double-blind placebo-controlled trial of doxepin hydrochloride. All ten had previously failed to respond to conventional cimetidine therapy. Doxepin was given at bedtime in a single 50-mg dose for the first week and, if needed, in a single 75-mg or 100-mg dose for the remainder of the six-week trial.