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Identification of Risk Factors and Development and Validation of a Predictive Model for Colorectal Adenoma Recurrence Based on a Retrospective Colonoscopy Cohort

Identification of Risk Factors and Development and Validation of a Predictive Model for Colorectal Adenoma Recurrence Based on a Retrospective Colonoscopy Cohort

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
ChiCTR
Registry ID
ChiCTR2500105971
Enrollment
Unknown
Registered
2025-07-15
Start date
2025-07-15
Completion date
Unknown
Last updated
2025-07-21

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Colorectal adenoma

Interventions

Training set:None

Sponsors

Shanghai Tenth People's Hospital
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Adults aged between 18 and 80 years; 2. Underwent colonoscopy or enteroscopy at our hospital between January 1, 2010, and May 30, 2025, with detection of colorectal adenomas and successful completion of endoscopic resection; 3. Baseline endoscopy with complete examination reports and pathological results recorded, along with follow-up data (at least one subsequent colonoscopy or follow-up confirmed by phone).

Exclusion criteria

Exclusion criteria: 1. Patients diagnosed with colorectal cancer at baseline examination; 2. Patients with a history of hereditary colorectal polyposis syndromes (such as familial adenomatous polyposis \[FAP], Lynch syndrome, etc.) or inflammatory bowel disease (ulcerative colitis, Crohn’s disease); 3. Lack of follow-up data: no follow-up examination records after baseline adenoma removal and follow-up information cannot be obtained.

Design outcomes

Primary

MeasureTime frame
Hazard ratio;Harrell’s C-index (concordance index);Time-dependent ROC curve;Calibration curve;Decision Curve Analysis (DCA);

Countries

China

Contacts

Public ContactLiu Feng

Shanghai Tenth People's Hospital

drliuffeng@hotmail.com+86 136 8197 3214

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Feb 4, 2026