Study of the Safety and Effectiveness of Rabeprazole in Treatment of Helicobacter Pylori Infection in Adults.

Overview

The purpose of the study is to confirm the safety and effectiveness of rabeprazole in the treatment of adult patients with Helicobacter pylori (H. pylori) infection in routine clinical practice.

An infection of Helicobacter pylori (H. pylori) is a risk factor for many types of gastrointestinal diseases and associated with stomach inflammation, ulcer of the stomach or small intestine. The recommended treatment for the infection is a triple therapy consisted of one proton pump inhibitor, such as rabeprazole, and two antibiotics administered for 7 days. This is an open label, nonrandomized study of the safety of rabeprazole in the treatment of patients with H. pylori infection. The study consists of 2 phases: the 2-month main phase and the 4-month monitoring phase (total duration of 6 months). During the main phase, patients are treated for 7 days with three drugs (rabeprazole, clarithromycin, and amoxycillin), and the effectiveness of the treatment is assessed 4 weeks later. During the monitoring phase, patients are interviewed at monthly intervals to assess symptoms and to report any adverse events. Safety assessments include the incidence of adverse events throughout the treatment and monitoring phases, and laboratory tests (hematology, biochemistry, urinalysis) and vital signs at the start of the study and after 1 month. Assessments of effectiveness include the eradication of H. pylori infection, assessed by the urea breath test one month after treatment. The primary study hypothesis is that rabeprazole is well-tolerated long-term in the treatment of patients with H. pylori infection in routine clinical practice. Rabeprazole tablets (20 milligrams\[mg\]) taken orally twice daily for 7 days. Clarithromycin (500mg) and amoxycillin (1 gram) taken twice daily for 7 days.

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