Adenoma Clinical Trial
Official title:
Comparison of Adenoma Detection and Miss Rates at Colonoscopy Associated With a Six-minute Withdrawal Time vs a Three-minute Withdrawal Time
Verified date | April 2015 |
Source | Stanford University |
Contact | n/a |
Is FDA regulated | No |
Health authority | United States: Institutional Review Board |
Study type | Interventional |
The objective of this study is to determine the optimal withdrawal time for colonoscopy. A 6-minute withdrawal time is currently the standard of care but has only been evaluated in an observational fashion. The investigators believe that this should be validated in a standardized fashion. If the benefits of a 6 minute withdrawal are proven in this study (ie a low polyp/adenoma miss rate and a high polyp/adenoma detection rate), then this will support widespread adoption of a 6 minute withdrawal as the standard of care. This in turn may decrease the occurence of 'interval colon cancers', which are early colon cancers arising in subjects despite their having undergone colonoscopy. Our hypothesis is that the polyp/adenoma detection rate will be unacceptably low and the polyp/adenoma miss rate will be unacceptably high in the 3-minute withdrawal group when compared to the 6-minute withdrawal group.
Status | Completed |
Enrollment | 200 |
Est. completion date | August 2013 |
Est. primary completion date | August 2013 |
Accepts healthy volunteers | No |
Gender | Both |
Age group | 18 Years and older |
Eligibility |
Inclusion Criteria: - Age > 18 - Already scheduled for colonoscopy Exclusion Criteria: - Age < 18 - Pregnant women - Mentally disabled - Decisionally challenged - Cancer subjects - Healthy volunteers - Prisoners |
Allocation: Randomized, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Diagnostic
Country | Name | City | State |
---|---|---|---|
United States | Stanford University | Palo Alto | California |
United States | Veterans Administration Hospital (Palo Alto) | Palo Alto | California |
Lead Sponsor | Collaborator |
---|---|
Stanford University |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Polyp/Adenoma Detection Rate | Polyp/adenoma detection rate will be calculated for each segment of the tandem colonoscopy- this will be calculated as the number of polyps/adenomas that are discovered and resected for each segment of the tandem colonoscopy. | This will be calculated up to one week after data collection. | No |
Primary | Polyp/adenoma Miss Rate | Polyp/adenoma miss rate will be calculated for each segment of the tandem colonoscopy- this will be calculated as the number of polyps/adenomas that are discovered and resected on the tandem portion of each segment of the colonoscopy, divided by the total number of polyps/adenomas that are discovered/resected. | Polyp/adenoma miss rate will be calculated up to one week after data collection. | No |
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