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Clinical Trial Summary

The use of clips to completely clip mucosal defects after ESD/EMR can reduce postoperative adverse events, but the rate of incomplete mucosal defects closure is high. The continuous suture technique can completely close the mucosal defects by using surgical sutures and clips to suture the mucosal defects after ESD/EMR. In this study, a clinical randomized controlled study was conducted in our hospital. A total of 62 enrolled patients were divided into two groups, 31 patients were set as a treatment group using continuous suture technique to close post-EMR/ESD mucosal/submucosal defects, the rest patients were set as a control group using clips. The safety and effectiveness of continuous sutures and clips to clamp the post-EMR/ESD mucosal/submucosal defect were compared in the two groups. The complete mucosal/submucosa defects closure rates were the primary outcome.


Clinical Trial Description

Endoscopic submucosal resection (EMR) or submucosal dissection (ESD) for gastrointestinal lesions were used to treat early gastrointestinal cancer or large benign polyps, and their complete resection rates were high, which greatly reduce unnecessary surgical operations. However, after endoscopic resection of mucosal/submucosal lesions, large mucosal/submucosal defects may be created. These defects may cause more delayed postoperative adverse events (bleeding, perforation). The use of clips to completely seal the mucosal defect after gastrointestinal mucosal/submucosal lesion resection can significantly reduce postoperative adverse events, but the rate of incomplete mucosal defects closure is high. The surgical sutures combined with clips to close the mucosal defect after surgery significantly increased the complete closure rates of the post-EMR/ESD mucosal/submucosal defect. This study intends to further determine its safety and effectiveness through a clinical randomized controlled study, and standardize indications and contraindications. A total of 62 enrolled patients were allocated into two groups, 31 patients were set as a treatment group using continuous suture technique to close post-EMR/ESD mucosal/submucosal defects, the rest patients were set as a control group using clips. The safety and effectiveness of continuous sutures and clips to clamp the post-EMR/ESD mucosal/submucosal defect were compared in the two groups. The primary outcome was complete mucosal/submucosa defects closure rates. The secondary outcomes were the closure time, closure speed, and immediate bleeding during the operation as well as delayed bleeding, delayed perforation, and polyps syndrome after resection. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05190042
Study type Interventional
Source Affiliated Hospital to Academy of Military Medical Sciences
Contact Yan Liu, MD
Phone 13911798288
Email [email protected]
Status Not yet recruiting
Phase N/A
Start date January 20, 2022
Completion date July 30, 2022

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