Efficacy and Safety of HSK21542 in Inducing Postoperative Analgesia in Undergoing Elective Laparoscopic Surgery

Conditions

• Analgesia

Interventions

• DRUG: Experimental: stage I：HSK21542 0.4 μg/kg
• DRUG: Experimental: stage I：HSK21542 1 μg/kg
• DRUG: Experimental: stage I：HSK21542 0.5μg/kg
• DRUG: Experimental: stage I：HSK21542 1μg/kg
• DRUG: Experimental: stage II：HSK21542 0.5μg/kg
• DRUG: Experimental: stage II：HSK21542 1μg/kg
• DRUG: Placebo

Sponsor

Haisco Pharmaceutical Group Co., Ltd.