Feasibility of traction band-assisted endoscopic closure for mucosal defects after colorectal endoscopic submucosal dissection: a multicenter prospective single-arm pilot study

Abstract

Background

The complete closure of mucosal defects following colorectal endoscopic submucosal dissection (ESD) is often challenging. We invented a traction band-assisted endoscopic closure (TBEC) technique using clips with an integrated traction band. We aimed to evaluate the feasibility of TBEC for closing mucosal defects following colorectal ESD.

Methods

This multicenter prospective single-arm pilot study was conducted at three institutions from June 2022 to March 2023. A total of 34 patients with colorectal neoplasms measuring 20–50 mm scheduled for ESD were enrolled. TBEC was performed at each mucosal defect after ESD. The primary outcome was the complete closure rate by TBEC. Secondary outcomes included the number of clips used, procedure time, and adverse events (AEs).

Results

TBEC yielded a 100% (95%CI 89.8%–100%) complete closure rate, with a median (interquartile range [IQR]) closure time of 14.5 (12.9) minutes. The median (IQR) number of clips used was 10 (3.3). One case of delayed bleeding and one of post-ESD coagulation syndrome (both 2.9% [95%CI 0.5%–14.9%]) occurred following TBEC.

Conclusions

This study demonstrated the feasibility of TBEC for the closure of mucosal defects following colorectal ESD. TBEC is a simple and easily applicable technique for endoscopic closure. Further studies are required to evaluate its efficacy in reducing delayed AEs.

Publication History

Received: 01 December 2024

Accepted after revision: 18 April 2025

Accepted Manuscript online:
22 April 2025

Article published online:
15 May 2025

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