The Study is Being Conducted to Evaluate the Efficacy and Safety of Dexmedetomidine Hydrochloride Microneedles for Preoperative Sedation in Children
Conditions
Interventions
- DRUG: Dexmedetomidine hydrochloride Microneedles
- DRUG: Dexmedetomidine hydrochloride Microneedles
- DRUG: placebo
- DRUG: Dexmedetomidine hydrochloride Microneedles
- DRUG: Placebo
Sponsor
Guangzhou Novaken Pharm Co., Ltd.