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Clinical Trial Summary

This is a prospective, multi-endoscopist, single center, clinical study at tertiary referral center that addresses an important current challenge in the prevention of colorectal cancer (CRC), namely, how to improve the complete removal of CRC precursors. This study will observe the potential benefit of specific polypectomy technique in conjunction with a systematic submucosal injection prior to the polyp resection. This study will evaluate the completeness and incompleteness of the resection of colorectal neoplastic polyps during the procedures.

Clinical Trial Description

Non-detection and incomplete resection of neoplastic colorectal polyps have been identified as the main risk factors for the development of CRC in patients after a colonoscopy. Between 7% and 9% of all newly diagnosed CRCs are estimated to be such "interval cancers," occurring after a previous colonoscopy and before the next surveillance examination. The vast majority of interval cancers are caused by incomplete detection or resection during colonoscopy examination. The contribution of incomplete resection towards interval cancer has recently been pointed out by a panel of experts as one of the cornerstones of CRC prevention that need to be addressed in future research studies. The primary aim of this study is to examine the incomplete adenoma resection rates when performing a cold snare polypectomy in conjunction with a submucosal injection for endoscopic resection of 4-20 mm non-pedunculated colorectal polyps. The subjects are patients, men and women, aged between 45-80 years old that are scheduled for a colonoscopy. The secondary aims are to identify procedure-related complication rates and patient-, polyp-, and endoscopist-related factors associated with incomplete adenoma resection. ;

Study Design

Related Conditions & MeSH terms

NCT number NCT04548947
Study type Interventional
Source Centre hospitalier de l'Université de Montréal (CHUM)
Status Completed
Phase N/A
Start date January 12, 2021
Completion date July 1, 2022

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