asthma-COPD overlap
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: A. Patient is over 18 years old; B. Patients with a diagnosed COPD who have reversible airflow limitation (improvement in FEV1 >12% with an absolute increase of >200 ml after bronchodilator inhalation), elevated FeNO (>22.5 ppb) and/or induced sputum eosinophilia, and a previous history of asthma; or patients with diagnosed asthma, after 3~6 months of standardized treatment, still have persistent airflow limitation (FEV1/FVC <70% after inhalation of bronchodilators), a history of exposure to harmful gases or substances (smoking or previous smoking = 10 pack-years), high-resolution CT (HRCT) to determine the presence of emphysema and decreased diffusion function of pulmonary function tests. C. Patient signs informed consent;
Exclusion criteria
Exclusion criteria: A. Patients with hypersensitivity to study drug components are excluded; B. Patients with acute exacerbations within 1 month are excluded from unstable condition; C. Pregnant and lactating females; D. Those with a clear history of neurological or psychiatric disorders, such as epilepsy, dementia, and poor compliance; E. Participation in other clinical trials within 4 weeks or other conditions deemed by the investigator to be inappropriate to participate in this study
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| Lung function trough FEV1 trough improvement from baseline;Change from baseline in ACT score;Inflammatory biomarkers (FENO, etc.);Inhaled medication adherence (TAI test and MMAS-8 score);Time of asthma exacerbation;Related concomitant medications; | — |
Countries
China
Contacts
Lishui People's Hospital