188
Participants
Start Date
December 31, 2020
Primary Completion Date
August 31, 2022
Study Completion Date
January 31, 2023
chromoendoscopy with target biopsy; NBI with target biopsy
"Chromoendoscopy with target biopsy: 0.03% indigo carmine solution based chromoendoscopy (using high-definition colonoscopy) will be fulfilled and target biopsies will be taken at all abnormal mucosal lesions suspected dysplasia/neoplasia.~NBI with target biopsy: After inserting a high definition colonoscopy up to cecum, endoscopists observe the colon in combination of white light and NBI (white light first and then NBI). Target biopsies will be taken at all abnormal mucosal lesions suspected dysplasia/neoplasia."
Lead Sponsor
Yonsei University
OTHER
Samsung Medical Center
OTHER
Sungkyunkwan University
OTHER
Ewha Womans University
OTHER
The Catholic University of Korea
OTHER
Soonchunhyang University Hospital
OTHER
Asan Medical Center
OTHER