From: Patient and site characteristics associated with pirfenidone and nintedanib use in the United States; an analysis of idiopathic pulmonary fibrosis patients enrolled in the Pulmonary Fibrosis Foundation Patient Registry
Discontinuation Reason
Pirfenidone (n = 391)
Nintedanib (n = 312)
Cost
0
1
Side effects
34
25
Patient preference
2
Physician preference
6
Total
42
33