About this trial
This clinical trial evaluates the long-term safety and efficacy of 3 mg HSK39004 Inhalation Suspension administered twice daily for 52 weeks in subjects aged 40 to 80 years with moderate-to-severe stable chronic obstructive pulmonary disease (COPD).
Eligibility criteria
Qualifiers
40 to 80 years (inclusive) at the time of screening visit (Visit 1), male or female;
Subjects diagnosed with chronic obstructive pulmonary disease (COPD) in accordance with the GOLD 2026 diagnostic criteria prior to screening [GOLD 2026 criteria: presence of chronic respiratory symptoms such as dyspnea, chronic cough or sputum production, and/ or a history of risk factor exposure, and the pulmonary function test results show: the forced expiratory volume in one second (FEV1) after using bronchodilators / forced vital capacity (FVC) <0.7];
Modified Medical Research Council (mMRC) dyspnea scale score ≥ 2 at screening;
Disqualifiers
Subjects with unresolved lower respiratory tract infection occurring within 6 weeks prior to screening (Visit 1) and/or before enrollment;
Severe or uncontrolled cardiovascular disease or history, including but not limited to: New York Heart Association (NYHA) functional class III/IV at screening; acute myocardial infarction, unstable angina, or acute coronary syndrome within 6 months prior to screening; clinically significant arrhythmia requiring intervention or marked QTcF prolongation (male >450 ms, female >470 ms) within 3 months prior to screening; or unstable or uncontrolled hypertension (systolic blood pressure ≥160 mmHg or diastolic blood pressure ≥100 mmHg) at screening;
History of malignancy (except for carcinoma in situ, cutaneous squamous cell carcinoma, and basal cell carcinoma cured for more than 5 years), suspected malignancy, or undetermined neoplasm;
Concurrent severe, uncontrolled renal, neurological, endocrine, thyroid, urological, ophthalmic, immunological, psychiatric, gastrointestinal, hepatic, or hematological diseases/abnormalities that, in the investigator's judgment, may pose a safety risk to the subject or confound study outcome analysis;
Trial design
Treatments tested in this trial
- HSK39004 Inhalation Suspension