Geneva, Sept. 21 -- International Clinical Trials Registry received information related to the study (ChiCTR2600131987) titled 'Comparison of the effects of oliceridine combined with sufentanil versus sufentanil alone or hydromorphone alone in patient-controlled analgesia after cesarean section: a randomized controlled trial' on Sept. 8.

Study Type: Interventional study

Study Design: Parallel

Primary Sponsor: The Third Xiangya Hospital of Central South University

Condition: Postoperative pain

Intervention: oliceridine and sufentanil Group:Postoperative analgesic regimen: Sufentanil 150µg + oliceridine 15mg+Ondansetron 8mg/150ml, with a maintenance infusion rate of 2ml/h, a bolus dose of 2ml, and a lockout interval of 10 minut...