A Study to Evaluate the Efficacy and Safety of HSK31858 Tablets in Patients with Airway Mucus Hypersecretion
ENROLLING_BY_INVITATION
Status
Conditions
- Asthma Bronchiale
- Bronchiectasis
- Chronic Obstructive Pulmonary Disease (COPD)
Interventions
- DRUG: HSK31858
- DRUG: Placebo
Sponsor
Haisco Pharmaceutical Group Co., Ltd.