A multicenter cohort study to elucidate the effect of endoscopic polypectomy on the incidence of colorectal cancer- the Japan Polyp Study Cohort
Not Applicable
- Conditions
- Colorectal cancer
- Registration Number
- JPRN-UMIN000040731
- Lead Sponsor
- ational Cancer Center
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up continuing
- Sex
- All
- Target Recruitment
- 1291
Inclusion Criteria
Not provided
Exclusion Criteria
1. Informed Consent (IC) refusal example 2. Subjects with serious comorbidities (active other organ cancer, severe chronic heart failure, renal failure, liver failure, etc.) 3. When the doctor in charge determines that the registration for this study is inappropriate
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Incidence of invasive cancer at 6, 9 and 12 years after clean colon (Complete removal of colorectal neoplasia)
- Secondary Outcome Measures
Name Time Method 1) Incidence of index lesions (ILs: large adenoma >10 mm, high-grade adenoma, cancer) at 6, 9 and 12 years after clean colon (Complete removal of colorectal neoplasia) 2) Effect of reduction for colorectal cancer mortality by endoscopic polypectomy