Comparispon study for detection of adenoma between LCI and NBI

Not Applicable

• Conditions: Patients who receive colonoscopy; colon polyp, colonic neoplasia; D003111, D003110

• Registration Number: JPRN-jRCT1012200007
• Lead Sponsor: Ono Shoko

Brief Summary

Not available

Detailed Description

Not available

Study Timeline

• Results First Posted: 1900-01-01
• Study Start: 2020-11-04
• Last Update Posted: 1 April 2024

Recruitment & Eligibility

• Status: ot Recruiting
• Sex: All
• Target Recruitment: 1650

Inclusion Criteria

Patients who receive colonoscopy during study period.

Exclusion 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

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
The ratio of patients with colorectal adenomatous lesions detected by LCI and NBI

Secondary Outcome Measures

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