Maintenance for healed erosive esophagitis:PhaseⅢcomparison of vonoprazan with lansoprazole

查看全文 作　　者：Kiyoshi [1]Ashida;Katsuhiko [2]Iwakiri;Naoki [3]Hiramatsu;Yuuichi [4]Sakurai;Tetsuharu [4]Hori;Kentarou [4]Kudou;Akira [4]Nishimura;Eiji [5]Umegaki

机构地区：[1]Department of Gastroenterology,Rakuwakai Otowa Hospital,Kyoto 607-8062,Japan;[2]Department of Gastroenterology,Nippon Medical School Graduate School of Medicine,Tokyo 113-8603,Japan;[3]Department of Gastroenterology and Hepatology,Osaka Rosai Hospital,Sakai,Osaka 591-8025,Japan;[4]Takeda Pharmaceutical Company Limited,Osaka 540-8645,Japan;[5]Department of Gastroenterology,Kobe University Graduate School of Medicine,Kobe,Hyogo 650-0017,Japan

出　　处：《World Journal of Gastroenterology》索引2018年第24卷第14期,共12页

基　　金：funded by Takeda Pharmaceutical Company Limited 摘　　要：AIM To compare vonoprazan 10 and 20 mg vs lansoprazole 15 mg as maintenance therapy in healed erosive esophagitis(EE).METHODS A total of 607 patients aged ≥ 20 years, with endoscopically-confirmed healed EE following 8 wk of treatment with vonoprazan 20 mg once daily, were randomized 1:1:1 to receive lansoprazole 15 mg(n = 201), vonoprazan 10 mg(n = 202), or vonoprazan 20 mg(n = 204), once daily. The primary endpoint of the study was the rate of endoscopically-confirmed EE recurrence during a 24-wk maintenance period. The secondary endpoint was the EE recurrence rate at Week 12 during maintenance treatment. Additional efficacy endpoints included the incidence of heartburn and acid reflux, and the EE healing rate 4 wk after the initiation of maintenance treatment. Safety endpoints comprised adverse events(AEs), vital signs, electrocardiogram findings, clinical laboratory results, serum gastrin and pepsinogen Ⅰ/Ⅱ levels, and gastric mucosa histopathology results.RESULTS Rates of EE recurrence during the 24-wk maintenance period were 16.8%, 5.1%, and 2.0% with lansoprazole 15 mg, vonoprazan 10 mg, and vonoprazan 20 mg, respectively. Vonoprazan was shown to be non-inferior to lansoprazole 15 mg(P < 0.0001 for both doses). In a post-hoc analysis, EE recurrence at Week 24 was significantly reduced with vonoprazan at both the 10 mg and the 20 mg dose vs lansoprazole 15 mg(5.1% vs 16.8%, P = 0.0002, and 2.0% vs 16.8%, P < 0.0001, respectively); by contrast, the EE recurrence rate did not differ significantly between the two doses of vonoprazan(P = 0.1090). The safety profiles of vonoprazan 10 and 20 mg were similar to that of lansoprazole 15 mg in patients with healed EE. Treatment-related AEs were reported in 11.4%, 10.4%, and 10.3% of patients in the lansoprazole 15 mg, vonoprazan 10 mg, and vonoprazan 20 mg arms, respectively.CONCLUSION Our findings confirm the non-inferiority of vonoprazan 10 and 20 mg to lansoprazole 15 mg as maintenance therapy for patients with healed EE. 关键词：GASTROESOPHAGEAL REFLUX disease EROSIVE ESOPHAGITIS LANSOPRAZOLE Potassium-competitive acid BLOCKERS Vonoprazan Maintenance therapy

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Maintenance for healed erosive esophagitis:PhaseⅢcomparison of vonoprazan with lansoprazole

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