Introduction: The eradication rate of Helicobacter pylori (H. pylori) has decreased due to antibiotics resistance and inadequate acid suppression. Vonoprazan is a novel potassium-competitive acid blocker (P-CAB), which has a rapid and sustained acid inhibitory effect and may be more effective than conventional proton pump inhibitors (PPIs) in H. pylori eradication.
Aim: to study the efficacy and safety of vonoprazan as a component of first-line H. pylori eradication treatment compared with conventional PPI-based therapy.
Material and methods: This randomised (one to one) non-blinded study was conducted on 400 consecutive proven H. pylori infected patients, of whom 200 received vonoprazan-based triple therapy, while 200 patients received PPI-based triple therapy for 14 days. The study outcomes were evaluated as eradication rate and adverse events in both patient groups.
Results: The eradication rate was 86% in the vonoprazan group and 74.5% in the PPI group. The vonoprazan eradication rate was significantly higher than that of PPIs (p = 0.004). There was no significant difference regarding adverse events between both patient groups.
Conclusions: Vonoprazan-based therapy was more effective than PPI-based therapy as a first-line H. pylori eradication treatment. Vonoprazan was generally safe and well tolerated.
Keywords: Helicobacter pylori eradication; potassium-competitive acid blocker (P-CAB); proton pump inhibitors (PPIs); vonoprazan.
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