Comparative Study on the Short- and Long-term Efficacy of Q-ISR, Traditional Sub-ISR, and t-ISR

Comparative Study on the Short- and Long-term Efficacy of Q-ISR, Traditional Sub-ISR, and t-ISR is a phase 2, randomised interventional study registered as NCT07371273 by Fudan University, with a registry enrolment figure of 100 participants, started 2026-01-07 and due to reach its primary completion in 2029-01-07. Interventions recorded: Quadrant-based Intersphincteric Resection. Conditions listed: Colorectal Cancer. Primary outcome: Wexner score; LARS scores; disease-free survival. Colorectal eligibility wording from the registry: "* (1) Rectal cancer diagnosed by digital rectal examination, colonoscopy, and combined biopsy pathology". Sites: China. No results are recorded here; the registry entry is the source.