ongoing trials trial from www.clinicaltrials.gov HFNT During Exercise in CF - Recruiting Year: 2019 Date: May 24, 2019 Author: The Leeds Teaching Hospitals NHS Trust Source https://ClinicalTrials.gov/show/NCT03965832 Study design (if review, criteria of inclusion for studies) Interventional - Allocation: Randomized|Intervention Model: Crossover Assignment|Masking: None (Open Label)|Primary Purpose: Other Participants Cystic Fibrosis - 18 Years and older (Adult, Older Adult) Interventions Device: HFNT during exercise|Device: Standard oxygen therapy/RA Outcome measures 6 minute walking distance Related topics Exercise and physical training in cystic fibrosis