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Efficacy and Safety of Precut-EMR for Resecting of Colonic Polyp

Colonic Polyps Clinical Trial

Official title:
Comparison Between EMR and Precut-EMR for Colorectal Polyp; Randomized Prospective Study

Clinical Trial Summary

This study was attempted to determine the efficacy and complication of precut EMR comparing with convetional EMR for resecting of 10 ~ 20 mm colon polyp through prospective, randomized controlled trial.

Clinical Trial Description

In general, a potential risk of advanced colorectal neoplasia is proportional with size. However, recent study report that occurence rate of advanced neoplasia in small polyp is 9 ~ 10 %. And, incidence of interval cancer after screening colonoscopy was reported as 10 ~ 27%. So We can suspect that complete resection of small polyp is important. Previous study recommended that endoscopic submucosal dissection (ESD) is a safe and effective procedure for treating colon polyp larger than 20 mm because of high complete resection rate and low recurrence rate. In contrast, endoscopic mucosal resection (EMR) is more recommended for resecting colon polyp smaller than 20 mm because of technical ease and low rate of complication.

However, Complete resection rate of conventional EMR is 60 ~ 70%. In case of incomplete resection, local recurrence rate is higher than complete resection. And In case of adenocarcinoma, specimen of piecemeal resection cannot be evaluated a depth of invasion and resection margin, and physician cannot decide a therapeutic plan.

In precut-EMR, mucosal resection is performed after pre-incision around a polyp. When precut EMR of polyp > 20 mm was performed in previous study, complete resection rate and en-bloc resection rate were higher and local recurrence rate was lower than conventional EMR. But, there is no study of comparsion precut EMR and conventional EMR for resecting colon polyp < 20 mm. This study was attempted to determine the efficacy and complication of precut EMR comparing with convetional EMR through prospective, randomized controlled trial. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT04253990
Study type Interventional
Source Asan Medical Center
Contact
Status Withdrawn
Phase N/A
Start date May 2016
Completion date June 2017
View Details
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