NCT04815525Recruiting
The Longterm Risk of Advanced Colorectal Neoplasia After Colonoscopy - A Population-based Cohort Study in Hong Kong
Source: ClinicalTrials.gov · Last updated 22 Sept 2026
Brief summary (registry, in English)
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.
- Status (registry)
- Recruiting
- Study type
- Observational
- Enrollment
- 5000 (estimated)
- First submitted
- 23 Mar 2021
- Start date
- 1 Jan 2023
- Primary completion date
- 1 Dec 2026
- Lead sponsor
- Chinese University of Hong Kong
- Diseases
- Colorectal cancer, Childhood cancers
- NCT number
- NCT04815525
What you commit to
- Study type: Observational
- Planned participants: 5000
- From 1 Jan 2023 to the primary completion date, 1 Dec 2026
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Other illness
- 1\. Patients with documented personal history of colorectal cancers before the study period would be excluded.
Who the study is looking for
- 1\. All patients with colonoscopy performed in HA hospitals during the study period would be eligible for screening.
Sex: All · Accepts healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| Prince of Wales Hospital Coordinator of this site? Confirm its status | Shatin | Hong Kong SAR China | Recruiting |
This page is information, not medical advice. Discuss any trial with your doctor.