Adults with Cystic Fibrosis (CF) & Exercise Intolerance


Trial Objective

Adults with CF and Exercise IntoleranceThis exercise study is investigating how an already FDA approved drug for treatment of pulmonary vascular disease, sildenafil (Revatio ®), impacts exercise tolerance and capacity in people with cystic fibrosis (CF). Understanding and developing exercise tolerance is important for people with CF. Participants will be randomized to either the study drug group or the placebo group and complete exercise testing. 


Active Clinical Trials Currently Recruiting

Who Can Participate

Individuals with moderate to severe CF lung disease.

Age: 18+    Gender: Any Gender

Estimated Time Commitment

16 weeks, five in-person visits, three phone contacts

Payment & Reimbursement  

Payment: Provided

Travel Reimbursement: Available

Trial Contact

For more information, contact:

Salma Moreno

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Trial Location

National Jewish Main Campus, Denver, CO

Trial Sponsors

National Jewish Health and Dr. Taylor-Cousar, with Cystic Fibrosis Foundation via Augusta University

Principal Investigators

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