Summary:
This study is investigating whether an investigational drug called inhaled treprostinil works to help people with PPF improve their lung function.
Qualified Participants Must:
• Be at least 18 years old
• Have progressive pulmonary fibrosis (PPF)
• Have not had a heart attack in the last 6 months
Qualified Participants May Receive:
Compensation for time and travel and study related medical tests