Comparison of rebamipide and tegoprazan combination therapy and tegoprazan monotherapy for ESD induced gastric ulcers a randomized multicenter study

Abstract Currently, no consensus exists on optimal treatment for post-endoscopic submucosal dissection (ESD) gastric ulcer. This study aims to compare rebamipide and tegoprazan combination therapy with tegoprazan monotherapy for post-ESD ulcer healing. Between May 2022 and September 2023, 140 patien...

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Main Authors: Young Joo Yang, Hyun Lim, Jae Gon Lee, Chang Kyo Oh, Tae Wan Kim, Sang Pyo Lee, Seung In Seo, Yu Jin Kim, Chang Seok Bang, Woon Geon Shin, Jin Bae Kim, Hyun Joo Jang, Gwang Ho Baik, Sea Hyub Kae
Format: Article
Language:English
Published: Nature Portfolio 2025-07-01
Series:Scientific Reports
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Online Access:https://doi.org/10.1038/s41598-025-11964-1
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Summary:Abstract Currently, no consensus exists on optimal treatment for post-endoscopic submucosal dissection (ESD) gastric ulcer. This study aims to compare rebamipide and tegoprazan combination therapy with tegoprazan monotherapy for post-ESD ulcer healing. Between May 2022 and September 2023, 140 patients (141 lesions) who underwent ESD for gastric epithelial neoplasms at five tertiary hospitals were randomly assigned to tegoprazan monotherapy or combination therapy groups. The size, stage and healing quality of the post-ESD ulcers were assessed at weeks 4 and 8. Modified intention-to-treat (mITT) and per-protocol analyses included 132 and 121 lesions, respectively. The ulcer healing rate at week 4 was significantly higher in the combination therapy group than in the tegoprazan monotherapy group (96.4% vs. 93.6%, P = 0.02 in mITT). Combination therapy significantly predicted higher-than-average ulcer healing at week 4 (odds ratio 2.28, 95% confidence interval 1.04–5.02, P = 0.04). The proportion of flat ulcer scar at week 8 was significantly higher in the combination group than in the tegoprazan monotherapy group (73.8% vs. 48.4%, P = 0.007). Combination treatment with rebamipide and tegoprazan led to faster ulcer healing and the development of high-quality post-ESD scars compared to tegoprazan monotherapy.
ISSN:2045-2322