At a glance
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Cap-fitted Colonoscopy: a Randomized, Tandem Colonoscopy Study of Adenoma Miss Rates
In Brief
A clinical study evaluating Cap-fitted colonoscopy for Polyps. Completed, enrolled 100 participants across 1 site.
Detailed Summary
This is a test in which a thin, black, flexible tube with a lighting system on the end is passed through the anus, into the rectum, in order to examine the large bowel or intestine, also called the colon. Colonoscopy is a very good test for examining the colon for polyps (warty growths that can turn into cancer), but it is not perfect. In fact, about 30% of polyps that are under 5 mm (about 1/5 of an inch) in size are missed during colonoscopy because they are hiding behind folds and bends in the colon. This research study is being done to determine if performing colonoscopy with a cap on the tip of the colonoscope will reduce the miss rate for polyps. A cap is a clear plastic hood that fits on the tip of the colonoscope and sticks out about 1/3 of an inch. During colonoscopy, the cap can be pressed against a fold or ridge in order to flatten it, so that the lining on the other side can be more easily seen. This may reduce the miss rate for colon polyps.
Study Details
Timeline
Interventions
Subjects will be randomized to either initial cap-fitted colonoscopy or regular colonoscopy. Patients in the initial regular arm, will undergo cap-fitted colonoscopy for their second, tandem examination. Patients in the initial cap-fitted arm, will under undergo regular colonoscopy (without the cap) for their second, tandem examination.