Clinical trial · Observational
A Follow-up Colonoscopy Examination in Patients Who Had Previously Undergone Screening Colonoscopy
NCT00280332CI-TRIAL-00001449completedClinicalTrials.gov clinicaltrialsProvenance
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
* To determine the prevalence of colonic neoplasm in patients who had previously undergone screening colonoscopy * To determine the optimal time interval for re-screening in average risk individuals * To determine potential baseline characteristics that predicts adenoma recurrence
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Colonic Cancer | Colon Neoplasm | ALIAS | 0.90 |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| colonoscopy | Procedure | — | UNRESOLVED |
Design
Arms and outcomes
Arms (2)
- label
- A
- description
- colonic adenoma
- interventionNames
- Procedure: colonoscopy
- label
- B
- description
- colonic without adenoma
- interventionNames
- Procedure: colonoscopy
Primary outcomes (1)
- measure
- The prevalence of advanced colonic adenoma in the re-screening population
- timeFrame
- 5 year from index colonoscopy
Secondary outcomes (1)
- measure
- The time to adenoma adenoma development according to different baseline characteristics of patients and colonoscopy findings
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 50 Years
- Maximum age
- 75 Years
Show eligibility criteria text
Inclusion Criteria: * Subjects who are previously participated in one of our two screening colonoscopy studies \[Sung, Gastroenterol 2003; Leung, AJG 2004\] * Asymptomatic on first screening colonoscopy * Age\>50and \<75 * No family history of CRC * No other colonoscopy except the baseline screening colonoscopy Exclusion Criteria: * Subjects who refused consent * Subjects who are not warrant follow up colonoscopy
References
Publications (0)
Data not yet available
No reference posted for this study.