Study on the Safety, Tolerability, and Pharmacokinetics of PA9159 Nasal Spray in Healthy Adult Subjects
Conditions
Interventions
- DRUG: PA9159 nasal spray solution, 80 μg one day treatment
- DRUG: PA9159 nasal spray solution, 160 μg one day treatment
- DRUG: PA9159 nasal spray solution, 320 μg one day treatment
- DRUG: PA9159 nasal spray solution, 80 μg 7-day treatment
- DRUG: PA9159 nasal spray solution, 160 μg 7-day treatment
- DRUG: PA9159 nasal spray solution, 320 μg 7-day treatment
- DRUG: Placebo, the same intranasal spray solution without PA9159 active ingredient
Sponsor
Anhui Palo Alto Pharmaceuticals, Inc.