Comparispon study for detection of adenoma between LCI and NBI

JRCT ID: jRCT1012200007

Registered date:04/11/2020

Basic Information

• Recruitment status: Not Recruiting
• Health condition(s) or Problem(s) studied: Patients who receive colonoscopy
• Date of first enrollment: 30/11/2020
• Target sample size: 1650
• Study type: Interventional
• Intervention(s): endoscopy equipment used and the prior observation method

Outcome(s)

• Primary Outcome: The ratio of patients with colorectal adenomatous lesions detected by LCI and NBI

Secondary Outcome

Ratio of the patients of diagnosed polyps with NBI and LCI
Ratio of the patients of diagnosed adenomatous lesions with WLI and NBI, WLI and LCI
Ratio of the patients of diagnosed adenomatous lesions and polyps with WLI
Ratio of the patients of diagnosed adenomatous lesions by site
Ratio of the patients of diagnosed adenomatous lesions by size
Ratio of the patients of diagnosed adenomatous lesions by morphorogy
Numbers of polyps per parient by each modality
Ratio of the patients of diagnosed adenomatous lesions by bowel preparation
Serious adverse events
Obsevation time
Miss ratio of polyp detaction
Ratio of the number of diagnosed neoplastic lesions with experts and non-experts

Key inclusion & exclusion criteria

• Age minimum: >= 20age old
• Age maximum: <= 89age old
• Gender: Both
• Include criteria: Patients who receive colonoscopy during study period.

Exclude criteria

Past history of inflammatory bowel disiases
Patinets who are diagnosed as polyposis
Past history of resection of cecum and ascending colon
Patinets who can not receive polypectomy
Patients for whom consent cannot be obtained or patients who are judged to be inappropriate subjects
Patients who cannot confirm intention due to dementia or consciousness disorder
Patients who are judged to be inappropriate as research subjects by the investigators

Related Information

• Primary Sponsor: Ono Shoko