Geneva, March 20 -- International Clinical Trials Registry received information related to the study (ChiCTR2600119430) titled 'Multimodal Data-Driven Prediction and Mechanistic Insights into Pre-COPD progression derived from Smoking-Induced Early Small Airway Pathology' on Feb. 27.
Study Type: Observational study
Study Design:
Cohort study
Primary Sponsor: West China Hospital, Sichuan University
Condition:
Pre-chronic obstructive pulmonary disease, Pre-COPD
Intervention:
Observation group 1 (healthy subjects without cigarette smoke exposure):N/A
Observation group 2 (smokers who did not meet the diagnostic criteria for copd):N/A
Observation group 3 (mild COPD patients):N/A
Observation group 4 (moderate COPD patients):N/A
Recruitm...