Shotaro Umezawa

Metformin for chemoprevention of metachronous colorectal adenoma or polyps in post-polypectomy patients without diabetes: a multicentre double-blind, placebo-controlled, randomised phase 3 trial

Takuma Higurashi, Kunihiro Hosono, Hirokazu Takahashi et al. · The Lancet Oncology · 2016 · 340 citations

Medicine, Oncology, Pharmacology +9

Visual distraction alone for the improvement of colonoscopy-related pain and satisfaction

Shotaro Umezawa, Takuma Higurashi, Shiori Uchiyama et al. · World Journal of Gastroenterology · 2015 · 79 citations · Full text

Medicine, Surgery, Gastroenterology +14

Contrast-enhanced CT for Colonic Diverticular Bleeding before Colonoscopy: A Prospective Multicenter Study

Shotaro Umezawa, Naoyoshi Nagata, Jun Arimoto et al. · Radiology · 2018 · 36 citations

Medicine, Radiology, Diagnostic Imaging +16

A nationwide, multi-center, retrospective study of symptomatic small bowel stricture in patients with Crohn’s disease

Shigeki Bamba, Ryosuke Sakemi, Toshimitsu Fujii et al. · Journal of Gastroenterology · 2020 · 31 citations

Medicine, Clinical Sciences, Internal Medicine +9

Clinical value of capsule endoscopy for detecting small bowel lesions in patients with intestinal Behçet's disease

Jun Arimoto, Hiroki Endo, Takayuki Kato et al. · Digestive Endoscopy · 2015 · 27 citations

Medicine, Internal Medicine, Pathology +13