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논문 기본 정보

자료유형
학술저널
저자정보
Sue Soichiro (Department of Gastroenterology Yokohama City University Graduate School of Medicine Yokohama Japan) Maeda Shin (Department of Gastroenterology Yokohama City University Graduate School of Medicine Yokohama Japan)
저널정보
거트앤리버 발행위원회 Gut and Liver Gut and Liver 제15권 제6호
발행연도
2021.11
수록면
799 - 810 (12page)
DOI
10.5009/gnl20242

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초록· 키워드

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Vonoprazan (VPZ), a new potassium-competitive acid blocker, has been approved and used for Helicobacter pylori eradication in Japan. To date, many studies, as well as several systematic reviews and meta-analyses (MAs), have compared VPZ-based 7-day triple therapy with proton pump inhibitor (PPI)-based therapy. An MA of randomized controlled trials (RCTs) comparing first-line VPZ- with PPI-based triple therapy, the latter featuring amoxicillin (AMPC) and clarithromycin (CAM), found that approximately 30% of patients hosted CAM-resistant H. pylori; however, the reliability was poor because of high heterogeneity and a risk of selection bias. VPZ-based triple therapy is superior to PPI-based triple therapy for patients with CAM-resistant H. pylori, but not for those with CAM-susceptible H. pylori. An MA of non-RCTs found that second-line VPZ-based triple therapies were slightly (~2.6%) better than PPI-based triple therapies (with AMPC and metronidazole). However, the reliability of that MA was also low because of selection bias, confounding variables and a risk of publication bias; in addition, it is difficult to generalize the results because of a lack of data on antibiotic resistance. VPZ-based triple therapy (involving AMPC and sitafloxacin) was more effective than PPI-based triple therapy in a third-line setting, but a confirmatory RCT is needed. Non-RCT studies indicated that VPZ-based triple therapy involving CAM and metronidazole may be promising. Any further RCTs must explore the antibiotic-resistance status when evaluating the possible superiority of a potassium-competitive acid blocker.

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