Chronic Obstructive Pulmonary Disease (COPD) Clinical Trials

⁃ \- 1.Male or Female patients must be 40 to 75 years of age inclusive； 2.Physician diagnosis of COPD for at least 1 year at screening； 3.Documented history of \>= 2 moderate or \>=1 severe COPD exacerbations within 12 months prior to screening.

• Moderate-to-severe COPD with post-BD FEV1/FVC rato\<0.7 and a post-BD FEV1%predicted ≥20% and\<80% at screening； 5.Body Mass Index (BMI) of 16 kg/m² to 32 kg/m²； 6.Current tobacco smoker or former smoker with a history of smoking ≥ 10 pack-years 7.Participants with standard of care controller therapy, for ≥3 months prior to Screening and at a stable dose of controller therapy for at least 1 month prior to the screening；