Clinical trial · Interventional
The Effect of Segmental Re-examination of Colon for Adenoma Detection in Colonoscopy
The Effect of Segmental Re-examination of Colon for Adenoma Detection in Colonoscopy: a Randomized, Controlled Trial
NCT03268200CI-TRIAL-00068311completedN/AClinicalTrials.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)
The aim of this study was to determine whether segmental re-examination of the each segment (right colon, mid-colon, and left colon) could increase the proximal adenoma detection rate (ADR) and to evaluate the time-effectiveness of this approach.
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 |
|---|---|---|---|
| Adenoma | Adenoma | ONTOLOGY_EXACT | 0.98 |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| segmental reexamination | Other | — | UNRESOLVED |
Design
Arms and outcomes
Arms (2)
- type
- EXPERIMENTAL
- label
- Case group
- description
- Each segment of colon (right colon, mid-colon, and left colon) was examined twice
- interventionNames
- Other: segmental reexamination
- type
- NO_INTERVENTION
- label
- Control group
- description
- Withdrawal time in the each segment of colon (right colon, mid-colon, and left colon) was about 2 minutes.
Primary outcomes (1)
- measure
- Adenoma detection rate
- timeFrame
- 7 days
Secondary outcomes (3)
Eligibility
Eligibility (as posted)
- Sex
- All
- Minimum age
- 45 Years
- Maximum age
- 75 Years
Show eligibility criteria text
Inclusion Criteria: * Patients (aged ≥45 and ≤75 years) who were scheduled to un- dergo colonoscopy Exclusion Criteria: * Patients who had advanced colonic cancer, prior resection of the proximal colon, inflammatory bowel disease, or polyposis syndrome, or were unable to provide informed consent. * If the quality of bowel preparation was unsatisfactory (Boston Bowel Preparation Scale \[BBPS\] score \<2 in any segment of the colon), or if the cecum could not be intubated during the colonoscopy, patients were excluded.
References
Publications (1)
- DERIVEDLee DS, Ji JS, Gweon TG, Seo M, Choi H. Efficacy of colonoscopic re-examination across the entire colon: a randomized controlled trial. Surg Endosc. 2024 Nov;38(11):6711-6717. doi: 10.1007/s00464-024-11298-5. Epub 2024 Sep 26. PMID 39327294