Efficacy and safety of oral sulfate solution for bowel preparation in Japanese patients undergoing colonoscopy: Noninferiority-based, randomized, controlled study

Yutaka Saito, Shiro Oka, Naoto Tamai, Toyoki Kudo, Nobutoshi Kuniyoshi, Tatsuya Shirakura, Yoshio Omae, Yukihiro Hamahata, Takehiro Arai, Shinji Tanaka, Noriya Uedo, Seiji Shimizu, Masakatsu Fukuzawa, Toshio Uraoka, Shiori Ichinose, Haruhiko Ogata, Kiyonori Kobayashi, Shoichi Saito, Hisao Tajiri

研究成果: Article査読

3 被引用数 (Scopus)

抄録

Objectives: To compare the efficacy and safety of oral sulfate solution administered using the same-day dose and the split-dose regimens with those of polyethylene glycol plus ascorbate solution, used for bowel preparation in Japanese patients undergoing colonoscopy. Methods: This multicenter (n = 13), randomized, active-controlled, colonoscopist- and image evaluator-blinded, noninferiority study with parallel-group comparison recruited 632 patients from December 2018 to June 2019. Of these, 602 patients were divided into the oral sulfate solution same-day dose group (n = 200); oral sulfate solution split-dose group (n = 202); and polyethylene glycol plus ascorbate same-day dose group (n = 200). Differences in the efficacy rates between the polyethylene glycol plus ascorbate group and each oral sulfate solution group were calculated using the asymptotic method. The safety of the oral sulfate solution was evaluated, based on the occurrence of adverse events and reactions. Results: Both oral sulfate solution protocols were confirmed as noninferior to the polyethylene glycol plus ascorbate protocol for bowel-cleansing. The occurrence of adverse reactions was significantly lower in the oral sulfate solution same-day dose group than in the polyethylene glycol plus ascorbate group (P = 0.010). The occurrence of adverse reactions was not significantly different between the oral sulfate solution split-dose and the polyethylene glycol plus ascorbate group. Conclusions: Oral sulfate solution is not only safe and efficacious but also not inferior to polyethylene glycol plus ascorbate solution (active control). It could be used for bowel preparation in Japanese patients scheduled for colonoscopy (Clinical trial registration number: NCT03794310).

本文言語English
ページ(範囲)1131-1138
ページ数8
ジャーナルDigestive Endoscopy
33
7
DOI
出版ステータスPublished - 2021 11月

ASJC Scopus subject areas

  • 放射線学、核医学およびイメージング
  • 消化器病学

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