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 · 335 citations

Post-polypectomy Patients, Surgical Oncology, Diabetes Management +10

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 · 75 citations · Full text

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

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

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 · 26 citations

Retrospective Study, Functional Gastrointestinal Disorder, Crohn ’ +5