Praxis Medical Insights

Est. 2024 • Clinical Guidelines Distilled

Made possible by volunteer editors from the University of Calgary & University of Alberta

Last Updated: 9/18/2025

Discontinuation of Supportive Therapies in Cystic Fibrosis Patients Treated with Elexacaftor/Tezacaftor/Ivacaftor

  • The American Thoracic Society recommends considering discontinuation of inhaled medications with insufficient evidence of benefit, such as inhaled anticholinergics and beta-adrenergic receptor agonists, as the first tier in a sequential de-escalation approach 1, 2
  • The American Thoracic Society suggests considering discontinuation of medications with low certainty of benefit, such as leukotriene modifiers, N-acetylcysteine, and glutathione, as the second tier in a sequential de-escalation approach 2
  • The American Thoracic Society recommends considering discontinuation of oral antistaphylococcal antibiotics if appropriate, as the third tier in a sequential de-escalation approach 3
  • Patients with residual symptoms may benefit from continuing certain supportive therapies, according to the American Thoracic Society 4

REFERENCES

1

cystic fibrosis pulmonary guidelines. chronic medications for maintenance of lung health. [LINK]

American Journal of Respiratory and Critical Care Medicine, 2013

2

cystic fibrosis pulmonary guidelines. chronic medications for maintenance of lung health. [LINK]

American Journal of Respiratory and Critical Care Medicine, 2013

3

cystic fibrosis pulmonary guidelines. chronic medications for maintenance of lung health. [LINK]

American Journal of Respiratory and Critical Care Medicine, 2013

4

cystic fibrosis pulmonary guidelines. chronic medications for maintenance of lung health. [LINK]

American Journal of Respiratory and Critical Care Medicine, 2013