期刊
DIGESTION
卷 94, 期 4, 页码 240-246出版社
KARGER
DOI: 10.1159/000454762
关键词
Vonoprazan; Esomeprazole; Helicobacter pylori; Eradication; Gastric acid
Background: Helicobacter pylori eradication rates have decreased worldwide. Gastric acid inhibition during treatment is important to eradicate these bacteria successfully. A new potassium-competitive acid blocker, vonoprazan (VPZ), has been shown to achieve high eradication rates in a previous randomized controlled trial. Objective: To determine the efficacy of VPZ for H. pylori eradication. Methods: A total of 874 patients were enrolled; 431 received esomeprazole (EPZ) and 443 received VPZ. First-line regimens contained clarithromycin (CAM) 200 mg b.i.d., amoxicillin 750 mg b.i.d., and either EPZ 20 mg b.i.d. or VPZ 20 mg b.i.d. for 7 days. Metronidazole 250 mg b.i.d. replaced CAM in the second-line regimens. The eradication of H. pylori was assessed by 13 C-urea breath tests 4-8 weeks after each therapy. Results: The overall first-line eradication rate was 79.9% (341/427) with EPZ vs. 86.3% (377/439) with VPZ (p = 0.019). The second- line eradication rate was 83.3% (45/51) with EPZ vs. 91.1% (41/45) with VPZ (p = 0.900). Conclusion: VPZ was significantly more effective than EPZ for first-line treatment. However, for second-line treatment, there was no significant difference between EPZ and VPZ. (C) 2016 The Author(s) Published by S. Karger AG, Basel
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