Novel Biomarkers in Chronic Airway Diseases

The Study for The Identification of Novel Biomarkers in Chronic Airway Inflammatory Disorders

The purpose of this study is:

• To define The differences of bio-chemical phenotypes in chronic airway inflammatory diseases.
• To identify novel biomarkers in chronic airway inflammatory diseases as a screening, diagnostic, or monitoring marker.

Inclusion Criteria:

• > 18 years olds
• Both sexes
• Asthma or COPD was diagnosed according to the criteria of the American Thoracic Society, GINA, GOLD guideline
• Acute exacerbation was defined by the criteria of the American Thoracic Society, GINA, GOLD guideline
• For stable disease, none of the subjects had received inhaled or oral corticosteroids or any other anti-inflammatory drugs, had an exacerbation history in the previous 6 months