Efficacy and Safety of Robot-assisted Endoscopic Submucosal Dissection for Colorectal Neoplasm

Plain-language summary

The objective of this study is to investigate the role of the flexible auxiliary single-arm transluminal endoscopic robot (FASTER) system in colorectal endoscopic submucosal dissection (ESD) and to validate its superiority over conventional ESD in terms of reducing procedural difficulty, shortening procedure time, and enhancing procedural safety. The main questions it aims to answer are: Does the use of the FASTER system improve the dissection speed of the ESD procedure? Does the use of the FASTER system reduce the procedure and dissection time, improving the efficacy of the ESD procedure? Does the use of the FASTER system reduce the rate of perforation and hemorrhage, improving the safety of the ESD procedure? Researchers will compare FASTER-assisted ESD and conventional ESD to evaluate the safety and efficacy of the FASTER system. Participants will: Be randomly assigned to the group with ESD using the traditional procedure or to the group with ESD assisted by the FASTER system. Keep a diary of their symptoms after the procedure. ESD has gained widespread acceptance as the standard method for treating early-stage gastrointestinal cancers. However, ESD is a technically demanding and intricate procedure that requires advanced proficiency of operators, with a heightened risk of complications such as hemorrhage and perforation. The inherent challenges of the colorectal ESD are further amplified by the thin mucosa, highly tortuous and flexible lumen, and occasional obstruction of lesions by mucosal folds, all of which collectively elevate both the procedural difficulty and the probability of postoperative complications. Adequate exposure of the submucosa layer through effective tissue traction is vital for the safe and effective performance of ESD. The FASTER system is designed to overcome this technical difficulty.

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