A Clinical Trial to Evaluate the Efficacy and Safety of HRS-9821 Inhalation Suspension in Patients With Moderate to Severe Chronic Obstructive Pulmonary Disease
The study is being conducted to evaluate the efficacy and safety of HRS-9821 for patients with COPD, and to explore the reasonable dosage of HRS-9821 for patients with COPD.
Age ≥ 40 years old and < 80 years old, male or female. [+9]
History of life-threatening COPD. [+31]