First-line eradication treatment of Helicobacter pylori infection: clinical trial without placebo, randomized, multi-center and three parallel treatment groups comparing classic triple therapy versus modified sequential therapy and other concomitant therapy.

Primary objectives: Evaluation of the efficacy of eradication treatment of Helicobacter pylori. Proportion of eradication of H. pylori assessed at least 4 weeks after treatment is completed by the breath test, or alternatively, by urease test or histology when revision endoscopy is necessary Primary endpoints: Efficacy in the eradication of antibiotic treatment in patients infected with Helicobacter pylori by breath test or histology, urease test or endoscopy if you need review