U.S., June 9 -- ClinicalTrials.gov registry received information related to the study (NCT07631507) titled 'A Study to Evaluate the Diagnostic Performance of Portable Oscillometry Across Chronic Respiratory Diseases' on June 02.
Brief Summary: This is a prospective, multicenter, observational cohort study enrolling approximately 4,000 subjects across about 50 centers, including patients with COPD (confirmed and suspected), asthma (confirmed and suspected), bronchiectasis, interstitial lung disease (ILD), upper airway obstruction (UAO), and healthy controls. Participants will undergo standardized clinical assessments, cough search, FENO, ETCO2, impulse oscillometry, spirometry, and/or bronchodilator test, and/or bronchoprovocation test, and...