Effect of Simplified Robot (FASTER) Assisted Versus Conventional Endoscopic Submucosal Dissection (ESD) for Colorectal Lesions

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Conditions studied: Colorectal Lesions, Endoscopic Submucosal Dissection (ESD), FASTER Robot

In brief

This study aims to compare the outcomes of Simplified Robot (FASTER) assisted Endoscopic Submucosal Dissection (ESD) with conventional ESD in the treatment of colorectal lesions. Using a prospective, single-center, randomized controlled design, the investigators will systematically evaluate differences between the two approaches in terms of total procedure time, mucosal dissection time and speed, resection quality (R0 resection rate and en bloc resection rate), incidence of complications (bleeding, perforation, muscularis injury), and the flexibility and clinical feasibility of robotic operation. The clinical significance of this study lies in assessing the value of robotic assistance in colorectal ESD, optimizing intraoperative workflow, reducing complication risks, improving patient outcomes and procedural efficiency, and providing evidence to support individualized therapeutic strategies in clinical practice.This study aims to compare the outcomes of Simplified Robot (FASTER) assisted Endoscopic Submucosal Dissection (ESD) with conventional ESD in the treatment of colorectal lesions. Using a prospective, single-center, randomized controlled design, the investigators will systematically evaluate differences between the two approaches in terms of total procedure time, mucosal dissection time and speed, resection quality (R0 resection rate and en bloc resection rate), incidence of complications (bleeding, perforation, muscularis injury), and the flexibility and clinical feasibility of robotic operation. The clinical significance of this study lies in assessing the value of robotic assistance in colorectal ESD, optimizing intraoperative workflow, reducing complication risks, improving patient outcomes and procedural efficiency, and providing evidence to support individualized therapeutic strategies in clinical practice.

Key facts

Study ID

NCT07354867

Run by

Kaiyun Liu

People needed

40

Starts

2026-01-06

Expected to finish

2026-11-30

Last updated by the study team

2026-01-21

Who can join

Age: 18 and older, up to 80. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Age between 18 and 80 years.
• Patients with colorectal lesions scheduled to undergo endoscopic submucosal dissection (ESD)
• Lesion characteristics meeting any of the following criteria: (1) Lesions unsuitable for en bloc resection using snare-based EMR, including non-granular type laterally spreading tumors (LST-NG), especially pseudo-depressed subtype (PD); lesions with type VI pit pattern (VI-type glandular opening configuration); carcinomas with superficial submucosal invasion (T1-SM); large depressed-type tumors; large protruding lesions suspected of malignancy, including nodular mixed-type granular LSTs (LST-G); other lesions unsuitable for en bloc resection using snare-based EMR; (2) Lesions with special background conditions, including mucosal tumors with submucosal fibrosis (caused by prior biopsy or mucosal prolapse due to peristalsis); sporadic tumors arising in the context of chronic inflammation (e.g., ulcerative colitis); local residual or recurrent early carcinoma following prior endoscopic resection;
• Willingness to participate in the study and provision of written informed consent.

You may not qualify if…

• Suspected deep submucosal invasive carcinoma based on endoscopic features；
• Lesions presenting with non-lifting signs, suggesting deep submucosal invasive carcinoma or tumors with severe submucosal fibrosis;
• Lesions extending to the appendiceal orifice, colonic diverticulum, or ileocecal valve; (4) Pregnant women or women who may be pregnant; lactating women;
• Pregnant women or women who may be pregnant; lactating women;
• Patients with coagulation disorders;
• Patients considered ineligible for specific reasons;
• Patients with contraindications to anesthesia and/or colonoscopy. -

Full record on ClinicalTrials.gov

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