Vonoprazan as a Long-term Maintenance Treatment for Erosive Esophagitis: VISION, a 5-Year, Randomized, Open-label Study
Abstract
BACKGROUND & AIMS: Acid secretion inhibitors are associated with hypergastrinemia, which can lead to gastric mucosal changes. Potassium-competitive acid blockers, such as vonoprazan, are more potent than proton pump inhibitors, but long-term safety data are lacking.
METHODS: In this phase IV, randomized trial, patients with erosive esophagitis (EE) received induction therapy (once daily vonoprazan 20 mg or lansoprazole 30 mg; ≤8 weeks). Those with healed EE received maintenance therapy (once daily vonoprazan 10 mg or lansoprazole 15 mg) for 260 weeks (2:1). The primary endpoint was the proportion of patients with malignant epithelial cell alterations, parietal cell hyperplasia, foveolar hyperplasia, enterochromaffin-like (ECL) cell hyperplasia, and G-cell hyperplasia.
RESULTS: Overall, 202/208 patients (vonoprazan, n = 139; lansoprazole, n = 69) achieved healed EE and received maintenance therapy. No malignant alterations or gastric neuroendocrine tumors (NETs) were observed; there was 1 adenoma in each group. At week 260, significantly more patients taking vonoprazan vs lansoprazole had parietal cell hyperplasia (97.1% vs 86.5%) and foveolar hyperplasia (14.7% vs 1.9%); proportions of patients with ECL cell hyperplasia (4.9% vs 7.7%) and G-cell hyperplasia (85.3% vs 76.9%) were similar. Median serum gastrin levels were higher with vonoprazan treatment vs lansoprazole (625 pg/mL vs 200 pg/mL). Incidences of adverse events were comparable for both treatments.
CONCLUSIONS: The…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 260 participants or records.
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