A Clinical Trial of TQC3721 Suspension for Inhalation in Patients With Moderate to Severe Chronic Obstructive Pulmonary Disease.
Conditions
- Chronic Obstructive Pulmonary Disease
Interventions
- DRUG: TQC3721 suspension for inhalation
- DRUG: TQC3721 matching placebo for inhalation
- DRUG: Salbutamol sulfate inhalation aerosol
Sponsor
Chia Tai Tianqing Pharmaceutical Group Co., Ltd.