Document Classification

Section Type: METHODS

Text: Patients (n = 144) with proven duodenal ulcer (DU) were randomized to one of the three following regimens : group A, omeprazole (2 x 40 mg) plus amoxycillin (4 x 500 mg) for 2 wk ; group B, triple therapy : bismuth nitrate (4 x 375 mg) plus metronidazole (4 x 250 mg) and tetracycline (4 x 500 mg) daily for 2 wk and ranitidine (150 mg) for the first week and bismuth nitrate (4 x 375 mg) alone for a further 2 wk ; group C, omeprazole (20 mg) plus amoxycillin (4 x 500 mg) and tinidazole (2 x 500 mg) for 2 wk.