Geneva, Jan. 12 -- International Clinical Trials Registry received information related to the study (ChiCTR2500115567) titled 'Determination of the Minimum Effective Concentration of Ropivacaine for Rectus Sheath Combined with Transversus Abdominis Plane Block in Elderly Patients with Different Muscle Mass Undergoing Laparoscopic Radical Resection of Colorectal Cancer: A Prospective, Double-Blind Clinical Study' on Dec. 29, 2025.

Study Type: Interventional study

Study Design: Biased Coin Design

Primary Sponsor: First Hospital of Jilin University

Condition: Colorectal cancer

Intervention: Low Muscle Mass Group:Nerve block with different concentrations of ropivacaine

Recruitment Status: Not Recruiting

Phase: N/A

Date of First E...