Geneva, Oct. 9 -- International Clinical Trials Registry received information related to the study (ChiCTR2600133658) titled 'Effect of Anrikefon Injection on Postoperative Acute Pain Control and Recovery of Gastrointestinal Function in Patients Undergoing Laparoscopic Resection of Gastrointestinal Tumors: A Multicenter Retrospective Cohort Study' on Sept. 30.

Study Type: Observational study

Study Design: Cohort study

Primary Sponsor: The Affiliated Hospital of Xuzhou Medical University

Condition: postoperative acute pain

Intervention: Anrikefon group (exposed group):None

Recruitment Status: Not Recruiting

Phase: 4

Date of First Enrollment: 2026-09-30

Target Sample Size: Anrikefon group (exposed group):130;Dezocine group (c...