control group:Butorphanol

2 trials

Sponsors

Shiyan People's Hospital, The Central Hospital of Wuhan

Conditions

caesarean sectionpain

Phase 4

Application of esmketamine in multimodal analgesia in cesarean section

RecruitingChiCTR2100054435

Shiyan People's Hospitalcaesarean section

Start: 2021-12-31Updated: 2022-11-20

A Randomized, Controlled, Double-blind Trial Evaluating the Efficacy and Safety of Anrikefon Injection for Patient-controlled Analgesia after Laparoscopic Surgery

Active, not recruitingChiCTR2600126220

The Central Hospital of Wuhanpain

Start: 2026-06-30Updated: 2026-06-08