A PhaseⅡ/ Ⅲ Seamless Study to Evaluate Efficacy and Safety of Paracetamol Injection as Adjuvant to Morphine-based Postoperative Analgesia
Conditions
Interventions
- DRUG: Paracetamol injection
- DRUG: Normal Saline injection
- DRUG: Morhpine PCA
Sponsor
Jiangsu HengRui Medicine Co., Ltd.