Safety, Tolerability, and Pharmacokinetics of PA9159 Inhalation Aerosol in Healthy Adult Subjects

Conditions

• Bronchial Asthma

Interventions

• DRUG: PA9159 Inhalation aerosol, 60 μg one day treatment
• DRUG: PA9159 Inhalation aerosol, 120 μg one day treatment
• DRUG: PA9159 Inhalation aerosol, 240 μg one day treatment
• DRUG: PA9159 Inhalation aerosol, 300 μg one day treatment
• DRUG: PA9159 Inhalation aerosol, 120 μg 7-day treatment
• DRUG: Placebo, the same Inhalation aerosol solution without PA9159 active ingredient

Sponsor

Anhui Palo Alto Pharmaceuticals, Inc.