Clinical trial · Observational
The Longterm Risk of Advanced Colorectal Neoplasia After Colonoscopy - A Population-based Cohort Study in Hong Kong
NCT04815525CI-TRIAL-00073891ACNCrecruitingClinicalTrials.gov clinicaltrialsProvenance
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 26, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260926-000001
Summary
Brief summary (as posted)
The primary objective of this study is to analyze the 15-year cumulative incidence of advanced colorectal neoplasia and CRC-related mortality after the index colonoscopy.
Conditions
Conditions (2)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Colorectal Cancer | Malignant Colorectal Neoplasm | CURATED_BROADER | 0.80 |
| Colorectal Neoplasia | Colorectal Neoplasm | PROBABILISTIC | 0.70 |
Interventions
Interventions (0)
Data not yet available
No intervention recorded.
Design
Arms and outcomes
Arms (4)
- label
- Normal finding
- description
- Colonoscopy finding normal
- label
- Hyperplastic polyps
- description
- Colonoscopy finding of hyperplastic polyps
- label
- Low-risk adenomas
- description
- Colonoscopy finding of low-risk adenomas
- label
- High-risk adenomas
- description
- Colonoscopy finding of high-risk adenomas
Primary outcomes (1)
- measure
- Culumative incidence of advanced colorectal neoplasia
- timeFrame
- 15 years
Eligibility
Eligibility (as posted)
- Sex
- All
Show eligibility criteria text
Inclusion Criteria: 1\. All patients with colonoscopy performed in HA hospitals during the study period would be eligible for screening. Exclusion Criteria: 1\. Patients with documented personal history of colorectal cancers before the study period would be excluded.
References
Publications (0)
Data not yet available
No reference posted for this study.