A Clinical Study of the Combination of SHR8554 Injection and SHR0410 Injection for the Treatment of Pain After Abdominal Surgery.
Conditions
Interventions
- DRUG: SHR8554 Injection and SHR0410 Injection
- DRUG: SHR8554 Injection and SHR0410 Injection
- DRUG: SHR8554 Injection and Placebo for SHR0410 Injection
Sponsor
Jiangsu HengRui Medicine Co., Ltd.