Safety/Tolerability and Efficacy of YHD001 in Patients With Acute and Chronic Bronchitis
Conditions
- Acute Bronchitis
- Chronic Bronchitis
Interventions
- DRUG: YHD001 dose level 1
- DRUG: YHD001 dose level 2
- DRUG: Pelargonium sidoides extract
- DRUG: placebo
Sponsor
Yuhan Corporation