• Scand. J. Gastroenterol. · Aug 2018

    Long-term outcomes of patients with symptomatic gastroesophageal reflux disease treated with vonoprazan.

    • Satoshi Shinozaki, Hiroyuki Osawa, Yasutoshi Kobayashi, Hirotsugu Sakamoto, Yoshikazu Hayashi, Yoshimasa Miura, Kawarai Lefor Alan A http://orcid.org/0000-0001-6673-5630 c Department of Surgery , Jichi Medical University , Shimotsuke , Japan., and Hironori Yamamoto.
    • a Shinozaki Medical Clinic , Utsunomiya , Japan.
    • Scand. J. Gastroenterol. 2018 Aug 1; 53 (8): 897-904.

    ObjectiveThe novel potassium-competitive acid blocker, vonoprazan, provides rapid and effective acid suppression. The aim of this study is to evaluate the long-term outcomes of patients with symptomatic gastroesophageal reflux disease (GERD) treated with vonoprazan.MethodsThis retrospective cohort study included 55 patients with symptomatic GERD treated with vonoprazan who have been followed for more than one year. The effectiveness of vonoprazan on gastrointestinal symptoms was evaluated using the Izumo scale, a self-reported questionnaire reflecting quality of life related to various abdominal symptoms.ResultsThese 55 patients with symptomatic GERD had non-erosive reflux disease (n = 30) or erosive esophagitis (n = 25). Vonoprazan (10 mg) for one month improved GERD symptoms in 89% (responders) and the improvement was maintained at one year in 82% without additional treatment. One-year maintenance therapy resulted in sustained resolution of GERD symptoms in 47%. Of the 49 responders, nine patients had relapse of GERD symptoms and dose escalation of vonoprazan improved the symptoms in six patients. Postprandial distress and the presence of erosive esophagitis before starting vonoprazan were identified as significant negative and positive predictors of sustained resolution of GERD symptoms for one year, respectively. Epigastric pain, postprandial distress, constipation and diarrhea were significantly improved at one-month and maintained at one year. After one-year of treatment, the endoscopic healing rate of erosive esophagitis was 95%.ConclusionOne-year treatment with vonoprazan significantly improves GERD symptoms and endoscopic healing of erosive esophagitis is satisfactory. The long-term use of vonoprazan is effective and useful to control GERD.

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