Geneva, Jan. 12 -- International Clinical Trials Registry received information related to the study (ChiCTR2500115366) titled 'Effects of Patient-Controlled Intravenous Analgesia with Low-Dose Esketamine Combined with Nalbuphine on Postoperative Sleep and Pain after Cesarean Section: A Randomized, Double-Blind, Controlled Trial' on Dec. 25, 2025.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: Beijing Anzhen Nanchong Hospital of Capital MedicalUniversity&Nanchong Central Hospital

Condition: sleep

Intervention: Control group:Sufentanil used in analgesia pump Esketamine group:The use of sufentanil and esketamine in analgesic pump

Recruitment Status: Not Recruiting

Phase: 4

Date of First Enrollment: 2026...