New valve treatment helps severe COPD patients breathe easier
Disease control
Completed
This study tracked 155 adults with severe emphysema or COPD who received Zephyr Valves to help them breathe. The valves are placed in the lungs to reduce trapped air and improve lung function. Researchers measured how many patients had a significant improvement in their breathing…
Sponsor: Pulmonx Corporation • Aim: Disease control
Last updated May 15, 2026 11:55 UTC