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One-Week Triple Regime Therapy Consisting of Pantoprazole, Amoxicillin and Clarithromycin for Cure of Helicobacter pylori-Associated Upper Gastrointestinal Diseases

This study was designed to determine the efficacy and safety of 1-week triple therapy regime consisting of pantoprazole, amoxicillin and clarithromycin in the cure of Helicobacter pylori infection leading to duodenal ulcer disease and/or gastritis. Sixty-one patients (47 males, 14 females with a mean age of 34 years) belonging to different ethnic groups suffering from H. pylori-associated duodenal ulcer and/or gastritis for an average of 2.46 years were recruited. Having satisfied primary selection criteria, patients received pantoprazole 40 mg b.i.d., clarithromycin 500 mg b.i.d. and amoxicillin 1,000 mg b.i.d. for 7 days. All medications were stopped there after H. pylori eradication was determined 4–6 weeks after treatment by a repeat endoscopy, a rapid urease test, H. pylori culture and histology assessment as indicators of cure. All three tests must be negative to consider the infection to have been successfully eradicated. Fifty-seven patients completed the efficacy analysis per protocol. Dramatic symptomatic improvement was noted in most patients immediately after stopping treatment and it was sustained at 6 weeks. At the end of the study, the healing rate of duodenal ulcers (complete re-epithelialization) following 1-week treatment only, as indicated above, and without any maintenance therapy was 66.7%, that of gastritis was 55.7%, and that of erosions was 64.3%. The overall eradication rate for H. pylori, however, was 93% (95% CI 83.0–98.1%). Furthermore, histologic evaluation revealed a remarkable resolution in the activity of gastritis in all the patients who had successful eradication of the infection.