National Jewish Health

This study looks at whether a noninvasive breathing test called the lung clearance index (LCI) can detect early signs of small airways disease in adults with chronic lung conditions like asthma or fibrosis. Researchers will compare results from 300 patients with lung disease to 3…

This study enrolls up to 150 people with chronic hypersensitivity pneumonitis, a lung condition caused by inhaling certain substances. Researchers will follow participants for 24 months to see if specific markers in the blood can predict when the disease gets worse. The goal is t…