Geneva, May 29 -- International Clinical Trials Registry received information related to the study (ChiCTR2600125116) titled 'Effect of Sub-Anesthetic Dose of Esketamine on Postoperative Sleep Disturbance in Elderly Patients Undergoing Total Knee Arthroplasty' on May 21.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: The Second Affiliated Hospital of Wenzhou Medical University

Condition: Knee osteoarthritis Primary knee osteoarthritis Degenerative knee osteoarthritis

Intervention: Esketamine group:Intravenous infusion of esketamine

Recruitment Status: Not Recruiting

Phase: N/A

Date of First Enrollment: 2026-06-01

Target Sample Size: Esketamine group:40;Normal saline group:40;

Countries of Recruit...