Assessment of the Dose Reduction and Discontinuation Associated With Anti-Fibrotic Medications in Patients With Idiopathic Pulmonary Fibrosis

10/11/2026
10/11/2026
EU PAS number:
EUPAS1000001179
Study
Finalised
Study type

Study topic

Human medicinal product

Study type

Non-interventional study

Scope of the study

Drug utilisation

Data collection methods

Secondary use of data
Non-interventional study

Non-interventional study design

Cohort
Study drug and medical condition

Medicinal product name

Study drug International non-proprietary name (INN) or common name

NINTEDANIB
PIRFENIDONE

Anatomical Therapeutic Chemical (ATC) code

(L04AX05) pirfenidone
pirfenidone
Population studied

Short description of the study population

Patients with Idiopathic Pulmonary Fibrosis
Study design details

Study design

Non-interventional, retrospective cohort study

Main study objective

1. Primary aim -To assess average daily dose, and corresponding dose reduction/interruption patterns in nintedanib and pirfenidone initiators separately at 6-and 12-months post initiation.
2. Secondary aim -To assess drug discontinuation patterns in nintedanib and pirfenidone initiators separately at 6-and 12 months post-initiation.

Outcomes

The main outcomes for the study were incidence of sub-optimal dosing and discontinuation, calculated separately for pirfenidone and nintedanib. For each patient, average daily dose was calculated separately in each month in
the post-index period.