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Aliment Pharmacol Ther. 1997 Feb;11(1):89-93.

One-week low-dose triple therapy for Helicobacter pylori is sufficient for relief from symptoms and healing of duodenal ulcers.

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Department of Internal Medicine and Gastroenterology, Elisabeth Hospital, Essen, Germany.



To test the hypothesis that 1-week low-dose triple therapy for H. pylori is sufficient for relief from dyspeptic symptoms and healing of duodenal ulcers.


Fifty-nine out-patients with duodenal ulcers and positive rapid urease test participated in this randomized, double-blind, two-centre study. All patients were treated for 1 week with omeprazole 20 mg b.d., clarithromycin 250 mg b.d. and metronidazole 400 mg b.d. In a double-blind fashion, patients were then randomly treated for another 3 weeks with either omeprazole 20 mg once daily or an identical-looking placebo. Patients were investigated endoscopically before treatment for H. pylori, after 2 weeks and after 4 weeks. H. pylori infection was assessed by a 13C-urea breath test at the time of enrollment and 4 weeks after cessation of any study medication.


Fifty-two patients were included in the 'all patients treated' analysis of efficacy. The overall H. pylori cure rate was 96% (95% CI = 87-100%), with no difference between the treatment groups. After 2 weeks duodenal ulcer healing was confirmed in 91% (95% CI = 80-100%) of patients treated with omeprazole and in 76% (95% CI = 60-91%) in the placebo group (P = 0.14). After 4 weeks all ulcers had healed. Relief from dyspeptic symptoms and adverse events (13.8 and 16.7%) did not differ between the treatment groups.


One-week low-dose triple therapy consisting of omeprazole, clarithromycin and metronidazole is a highly effective and well-tolerated approach to the cure of H. pylori infection in patients with a duodenal ulcer. Our data suggest that continuation of antisecretory drug therapy beyond anti-H. pylori therapy is actually excessive regarding relief from dyspeptic symptoms and healing of duodenal ulcers.

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