The CATALINA Study

This study (called CATALINA) looks at how to best monitor and manage patients who are hospitalized with an acute worsening (flare-up) of COPD — a lung disease that makes it hard to breathe. The study aims to identify better ways to treat these episodes and prevent future hospitalizations. **You may be eligible if...** - You are 18 or older with a confirmed diagnosis of COPD - You are currently hospitalized with a suspected acute flare-up (worsening) of COPD - You were included in the study within 48 hours of hospital admission **You may NOT be eligible if...** - You do not need antibiotics or steroids as treatment for this flare-up - You have tested positive for COVID-19 or are strongly suspected of having it - You are unwilling or unable to follow the study procedures Talk to your doctor to see if this trial is right for you.