National Jewish Health

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

This study enrolls up to 150 people with chronic hypersensitivity pneumonitis at 7 U.S. centers. Researchers will follow participants for 24 months to see if certain markers in the blood can predict when the disease gets worse. The goal is to better understand the disease and imp…