Safety of One-Week, First-Line, Standard Triple Therapy for Helicobacter Pylori Eradication in a Japanese Population
Abstract
BACKGROUND: Standard triple therapy with the proton pump inhibitors, clarithromycin and amoxicillin for Helicobacter pylori infection is considered to be safe; however, the development of significant adverse events (AEs), such as skin rashes, has been reported.
OBJECTIVE: To reconfirm the safety of this treatment.
METHODS: This was a retrospective cohort study. After the exclusion of patients allergic to penicillin, 322 consecutive patients, consisting of 305 outpatients and 17 inpatients, had received the first-line eradication treatment with lansoprazole (30 mg), clarithromycin (200 mg), and amoxicillin (750 mg) twice daily for 7 days. Their medical charts were reviewed, and data were collected.
RESULTS: Three patients discontinued the treatment because of the development of a skin rash, mild diarrhea, and heat sensation, respectively. The main AE observed was mild diarrhea in 50 patients. One patient had frequent diarrhea, but it was readily resolved by a probiotic treatment. On the second or third day after the conclusion of the treatment, a skin rash also occurred in six patients (2%). Two of these patients and one patient who discontinued the treatment were administered steroids as outpatients. They recovered within 1 month.
CONCLUSION: Most AEs that developed were mild, except for some cases of a rash. Rashes developed in spite of the exclusion of penicillin-allergic patients and mainly after the completion of the one-week treatment. As a consequence of little…
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