Asthma-COPD Overlap Syndrome Clinical Trial
Official title:
A Non-interventional Study to Investigate the Current Situation of Asthma-COPD Overlap Syndrome in Patients Over Age 40 With Persistent Airflow Limitation in China
To investigate the distributions of the patients with ACOS, asthma and COPD over age 40 with chronic airflow limitation in China.
Sites must be tier 3 hospitals in China. Investigators will mainly be determined according to
the following criteria:
- Respiratory physicians working in the respiratory department of tier 3 hospitals
- To include the expected number of patients in a maximum of 12 months, physicians should
manage a reasonable number of asthma, COPD or ACOS over age 40 with persistent airflow
limitation (post-BD FEV1/FVC<0.7).
- Physicians should have patients' spirometric data available in the patient's medical
files (post-BD FEV1%pred and post-BD FEV1/FVC).
This NIS will collect the data (e.g. medical record, patient or physician-reported data) from
about 2000 consecutive outpatients with persistent airflow limitation(post-BD FEV1/FVC<0.7)
in about 20 sites in China for one year. Each site will recruit about 50-150 patients
successively.
The data will be collected under routine clinical practice. The treatments or examinations
will be determined by their treating physicians. The data are expected to reflect the actual
situation about ACOS.
The study population will be about 2000 outpatients, men or women, over age 40, with a
clinical diagnosis of asthma, COPD or ACOS with persistent airflow limitation（post-BD
FEV1/FVC<0.7）in China from Q4,2015 to Q3,2016.
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