Affiliation:
1. Department of Gastroenterology Qilu Hospital of Shandong University Jinan China
2. Shandong Provincial Clinical Research Center for digestive disease Jinan China
3. Laboratory of Translational Gastroenterology Qilu Hospital of Shandong University Jinan China
4. Robot engineering laboratory for precise diagnosis and therapy of GI tumor Qilu Hospital of Shandong University Jinan China
Abstract
AbstractBackgroundThe amoxicillin dose used in dual therapy to eradicate Helicobacter pylori varies across studies and the optimal amoxicillin dose for vonoprazan‐based dual therapies remains unclear. We aimed to investigate the efficacy and safety of low‐ and high‐dose amoxicillin in vonoprazan–amoxicillin dual therapy.Materials and MethodsA comprehensive systematic review was conducted by searching databases from inception to October 2023. All trials that evaluated the effectiveness and safety of vonoprazan–amoxicillin dual therapy for eradicating H. pylori were included. Pooled eradication rate, incidence of adverse events, relative risks, and 95% confidence intervals are presented.ResultsEighteen studies with 12 low‐dose amoxicillin (VLA) and 13 high‐dose amoxicillin (VHA) arms were included. The pooled eradication rates were 82.4% and 86.8% for VLA therapy, and 86.0% and 90.9% for VHA therapy by the intention‐to‐treat and per‐protocol analyses, respectively. In the subgroup analysis stratified by duration, the eradication rates achieved in 7 days, 10 days, and 14 days treatments with VLA and VHA dual therapies were 80.8%, 84.2%, 83.1%, and 67.3%, 88.8%, 87.5%, respectively. In the four randomized controlled trials that directly compared VLA and VHA dual therapies, the efficacy was not statistically different in the intention‐to‐treat (76.9% vs 81.4%, p = 0.337) and per‐protocol (81.6% vs 84.0%, p = 0.166) analyses. Additionally, the incidence of adverse events (p = 0.965) and compliance (p = 0.994) were similar in both groups.ConclusionVLA therapy demonstrated comparable efficacy and safety to VHA therapy, along with regional differences. An appropriately extended treatment duration may be critical for therapeutic optimization of vonoprazan–amoxicillin treatment.
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