Spots Global Cancer Trial Database for Robotic Top-down Intersphincteric Resection

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Trial Identification

Brief Title: Robotic Top-down Intersphincteric Resection

Official Title: A Feasibility Study of Robotic Transabdominal Top-down Intersphincteric Resection With Double-stapling Coloanal Anastomosis for Distal Rectal Cancer

Study ID: NCT05961969

Conditions

Colorectal Cancer

Interventions

Robotic surgery

Study Description

Brief Summary: The present study is to develop the novel robotic surgical technique and enhance the surgery quality for the treatment of distal rectal cancer.

Detailed Description: The intersphincteric resection (ISR) for the treatment of distal rectal cancer has been a complex two-step surgical procedure consisting of transabdominal mobilization of the anorectum and transanal bowel resection with handsewn coloanal anastomosis. The availability of robotic systems may facilitate the transabdominal approach, simplify the surgical procedures, and achieve better anorectal function for patients with distal rectal cancer requiring an ISR. Consecutive 40 patients with distal rectal cancer undergoing the single-step robotic transabdominal ISR with the intent-to-treat principle will be recruited. The risk factors for a failed transabdominal ISR were identified from the prospectively maintained clinicopathologic data using univariate and multivariate analysis. The surgical outcomes, the anorectal function, and the tumor recurrence were compared between patients with a successful or failed robotic transabdominal ISR. The investigators believe that the present project can facilitate the development of the novel robotic surgical technique and enhance the surgery quality for the treatment of distal rectal cancer in our hospital and even in Taiwan.