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NCT05018325 · ClinicalTrials.gov registry record · NA
Assessing Effect of Withdrawal Time on Adenoma Detection Rate for Screening Colonoscopy
A NA study, sponsored by Washington University School of Medicine.
- Terminated
- Registry status
- NA
- Development phase
- 32
- Enrollment target
NCT05018325: Clinical Trial NA study, sponsored by Washington University School of Medicine.
NCT05018325 is a NA study that was terminated before completion, run by Washington University School of Medicine. The registered enrollment target is 32 participants, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower). According to ClinicalTrials.gov, the official US trial registry.
The verdict
NCT05018325, a NA study, was terminated before completion, sponsored by Washington University School of Medicine.
- TERMINATED
- Registry status
- NA
- Development phase
- 32 participants
- Enrollment target
Study Summary
The investigators' null hypothesis is that a withdrawal time of 9 to 10 minutes is non-inferior to a withdrawal time of 12 minutes or greater. Thus, the goal of this tandem design trial is to compare the additional diagnostic yield (# of missed lesions) for withdrawal times exceeding 10 minutes for screening/surveillance colonoscopies. Although withdrawal times longer than the standard 6-minute recommendation have been shown to be beneficial, there is limited prospective evidence investigating the benefit or lack thereof for withdrawal times greater than 9-10 minutes.
Primary Outcome
* Miss rate = missed polyps/missed polyps + polyps found during 1st exam * Polyps is defined as adenomas and sessile serrated adenomas (SSA)
Interventions
- PROCEDURE Colonoscopy with 6 minute withdrawal
- PROCEDURE Colonoscopy 9 minute withdrawal
- PROCEDURE Colonoscopy 12 minute withdrawal
Trial Details
| Field | Value |
|---|---|
| Enrollment Target | 32 participants |
| Start Date | 2021-08-30 |
| Est. Completion | 2022-08-19 |
| Phase | NA |
Why NCT05018325 stopped before completion
NCT05018325 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 32 participants, a relatively small participant target, below the 1,404-participant average among 58,714 other NA trials with a reported enrollment target (98% lower).
The record links to 0 conditions, and to 3 interventions - of which Colonoscopy with 6 minute withdrawal is the first listed.
NCT05018325 does not publish any study locations in the registry export this page uses.
Frequently Asked Questions
What is clinical trial NCT05018325 about?
NCT05018325 is a clinical study titled "Assessing Effect of Withdrawal Time on Adenoma Detection Rate for Screening Colonoscopy". The investigators' null hypothesis is that a withdrawal time of 9 to 10 minutes is non-inferior to a withdrawal time of 12 minutes or greater. Thus, the goal of this tandem design trial is to compare the additional diagnostic yield (# of missed lesions) for withdrawal times exceeding 10 minutes for ...
What is the current status of trial NCT05018325?
This trial is currently terminated. It is a NA study. The enrollment target is 32 participants. The study started on 2021-08-30. Estimated completion is 2022-08-19.
What interventions are being tested in trial NCT05018325?
The interventions under investigation include: Colonoscopy with 6 minute withdrawal (PROCEDURE), Colonoscopy 9 minute withdrawal (PROCEDURE), Colonoscopy 12 minute withdrawal (PROCEDURE).
Who is sponsoring clinical trial NCT05018325?
This trial is sponsored by Washington University School of Medicine, which has 1,502 total clinical trials registered on ClinicalTrials.gov.
Learn More About Clinical Trials
How this trial's enrollment target compares
Where NCT05018325's enrollment target sits among peer trials
32 1578th of 2000 higher than 409 of 2,000 other NA trials
participants (enrollment target), bucketed by value
Each bar is a band; taller bars hold more other NA trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.
Source ClinicalTrials.gov registry export · 2026-08-08
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