Lansoprazole versus ranitidine bismuth citrate containing triple regimens for Helicobacter pylori eradication in patients with duodenal ulcer
Abstract
The aim of this study was to compare in an open, controlled and prospective trial the efficacy of one-week regimen using either lansoprazole (2 x 30 mg) + 2 x 500 mg metronidazole + 2 x 250 mg clarithromycin (group I, 60 cases) or ranitidine bismuth citrate (2 x 400 mg) + 2 x 500 mg metronidazole + 2 x 250 mg clarithromycin (group II, 61 cases) on the eradication of Hp infection in duodenal ulcer patients. The diagnosis was stated endoscopically. Hp infection was confirmed from 2 antral + 2 corporeal biopsies by the modified Giemsa stain and rapid urease test. After eradication the patients were given on-demand treatment with 30 mg lansoprazole (group I) or 2 x 150 mg ranitidine (group II). Control 13C-urea breath test was performed 4-6 weeks after eradication. On intention to treat basis, Hp was eradicated in 78.3% (confidence interval, CI: 67.6-89.1%) in group I and 78.7% (CI: 68.1-89.2%) in group II (p > 0.05). Per protocol eradication rates were 92.1% (CI: 84.5-99.7%) in group I and 90.5 (CI: 82.4-98.6%) in group II (p > 0.05). Side effects were recorded in 13.5% in group I and 18.3% of cases in group II. Short term triple therapies using either lansoprazole or ranitidine bismuth citrate + 2 antimicrobials were effective and safe in the eradication of Hp in duodenal ulcer patients.
How strong is the evidence?
Evidence Hub reads this as a clinical trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence.
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