About this trial
A Multicenter, Randomized, Double-blind, Single-dummy, positive drug and placebo-controlled, Parallel Group, Phase 2a Study to Evaluate the Efficacy and Safety of Hemay005 in Adults with Moderate to Severe Chronic Obstructive Pulmonary Disease (COPD).
Eligibility criteria
Qualifiers
Age at least 40 years old at the time of signing the informed consent form, both gender;
Subjects with an established diagnosis of COPD (according to GOLD 2025) at least 12 months before the screening visit, with chronic bronchitis (defined as productive cough for at least 3 months in each of the prior two consecutive years) and/or with chronic productive cough at least 12 months prior to screening;
Confirmed diagnosis of chronic obstructive pulmonary disease at the screening visit, FEV1 (forced expiratory volume in 1 second)/FVC (forced vital capacity) ratio<70% after albuterol use, and FEV1 after albuterol use>30% predicted of normal value and equal or smalled than 70% predicted value at the screening visit;
Subjects on regular maintenance therapy: inhaled glucocorticoids (ICS), LAMA, or LABA, or any combination thereof. Received maintenance therapy for at least 6 months prior to screening; Maintenance therapy must not change the dosage of these drugs from 28 days before signing the informed consent form until the end of the trial (16 weeks or safety visit after early withdrawal).
Disqualifiers
Subjects with a prior history of asthma or concurrent diagnosis of asthma, with or without active disease, are excluded.
Subjects with a moderate or severe COPD exacerbation i.e. resulting in the use of systemic corticosteroids (oral/IV/IM corticosteroids) and/or antibiotics or need for hospitalisation or a lower respiratory tract infection 6 weeks prior to screening.
Diseases that in the opinion of the investigator may interfere with clinical assessments, such as bronchiectasis, sarcoidosis, cystic fibrosis, pulmonary hypertension, interstitial lung disease, bronchiolitis, pneumonectomy, lung cancer, congestive heart failure, diffuse bronchiolitis, silicosis, etc.
COPD with emphysema phenotype according to the investigator's judgment and/or medical history records (emphysema phenotype is defined as alveolar destruction leading to permanent airway obstruction, in addition to cough and sputum, subjects usually have severe symptoms of dyspnea, shortness of breath, etc.); or have alpha1-antitrypsin deficiency.
Trial design
Treatments tested in this trial
- Hemay005 tablets
- Roflumilast Oral Tablet
- Placebo tablet