The study aims to compare the results between a standard colonoscopy to a colonoscopy with an attachment on the distal end of the colonoscope.
This will be a prospective, randomized controlled study. Subjects referred for screening or surveillance colonoscopy will be prospectively enrolled. This study aims to compare the adenoma detection rates between EndoRings colonoscopy (EC) and Standard colonoscopy (SC). It is assumed that the proportion of patients with at least one adenoma would be 25% with SC and 35% with EC.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Purpose
SCREENING
Masking
NONE
Enrollment
592
Subjects randomized to undergo a colonoscopy procedure with the EndoRings device will have the device placed on the colonoscope that will be used during their procedure.
Indiana University
Indianapolis, Indiana, United States
Adenoma Detection Rates
Number of participants with at least one adenoma detected, during Standard Colonoscopy compared with colonoscopy with EndoRings.
Time frame: During colonoscopy procedure
Number of Adenomas Per Colonoscopy
Comparison of the number of adenomas detected per colonoscopy between standard colonoscopy and EndoRings colonoscopy.
Time frame: During colonoscopy procedure
Polyp Detection Rate
Number of subjects with at least one polyp detected with Standard Colonoscopy compared to colonoscopy with EndoRings.
Time frame: During colonoscopy procedure
Number of Detections Per Colonoscopy
Comparison of the number of polyps detected per colonoscopy between EndoRings colonoscopy and Standard colonoscopy.
Time frame: During colonoscopy procedure
Total Number of Detections
Comparison of the total number of polyps detected and the total number of adenomas detected between EndoRings colonoscopy and Standard colonoscopy.
Time frame: During colonoscopy procedure
Cecal Intubation Rate
Comparison of cecal intubation rate (the number of procedures where the colonoscope was able to be inserted all the way to the cecum) between standard colonoscopy and EndoRings colonoscopy.
Time frame: During colonoscopy procedure
Time Comparison for Each Method
Comparison of the time required to reach the cecum, withdrawal time, and total procedure time. Insertion time: time required to reach the cecum Withdrawal time: time calculated from when withdrawing is started in the cecum till the colonoscope is removed. This includes time spent washing, inspecting the colon and removing polyps. Total procedure time: This is the sum of insertion and withdrawal times along with any time spent washing or removing polyps while in the cecum (before starting withdrawal).
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Time frame: During colonoscopy procedure
Patient Comfort Score
Comparison of patient comfort between Standard colonoscopy and EndoRings colonoscopy on a scale of 0 to 10 with 0 being no pain (best outcome) and 10 being worst imaginable pain (worst outcome).
Time frame: After colonoscopy was completed while patient was in recovery area of endoscopy unit
Problems Encountered With Equipment
Occurrences of slippage of EndoRings or of device being removed on insertion.
Time frame: During colonoscopy procedure