Tracheal stenosis

This study tests whether adding a freezing spray (cryospray) to usual treatments can keep narrowed airways open longer in people with benign airway stenosis. About 40 adults will be randomly assigned to get either standard care alone or standard care plus cryospray. The goal is t…

This early-stage trial tests a special balloon coated with a drug (paclitaxel) to treat non-cancerous narrowing of the central airways. The goal is to see if it is safe and helps keep the airway open longer than standard balloons. About 45 adults with severe airway blockage will …

This study tests whether a piece of donated aorta (the body's largest artery) can be used as a patch to repair severe windpipe or bronchial defects in children. The surgery is for kids who cannot have standard windpipe repair. Only 5 children will be enrolled, and the main goal i…

This study aims to see if a simple, non-invasive breathing test can accurately measure the acidity (pH) in the airways, which is often abnormal in lung diseases. Researchers will compare results from this breath test with standard methods in 150 healthy volunteers and people with…

This study looks back at 100 newborns who had a flexible bronchoscopy (a thin, flexible tube with a camera) to diagnose breathing problems in the neonatal intensive care unit over the past 10 years. Researchers want to see how often this procedure helped doctors find the exact ca…