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Short- and long-term clinical outcomes of nintedanib therapy in IPF patients with different phenotypes: A
Martina Koziar Vašáková1, Jakub Gregor2, Nesrin Mogulkoc3
1Department of Respiratory Medicine, Thomayer University Hospital, Prague, Czech Republic.
Background:
There is a lack of data on the long-term effect of nintedanib on survival in specific groups of idiopathic pulmonary fibrosis (IPF) patients with different phenotypes. We investigated the outcomes of nintedanib therapy in an observational study of a large multicentre real-world cohort of IPF patients with various initial characteristics.
Methods:
The analysis included IPF patients treated with nintedanib (NIN) and IPF patients not receiving antifibrotic treatment (NAF) enrolled for the EMPIRE registry in 2015-2020. The patients were stratified according to their initial FVC predicted, dyspnoea, UIP pattern and age. All-cause mortality and annual rate of FVC decline were the main endpoints. Cox proportional hazards model for survival assessment and linear mixed-effects model for FVC decline modelling were used.
Results:
A total of 869 NIN patients and 691 NAF patients were eligible for the analysis. The annual FVC decline rate was significantly different (adjusted values -0.053 l/yr vs -0.122 l/yr; p = 0.001). The adjusted hazard ratio (HR) for mortality was 0.40 (95 % CI 0.3 to 0.53, p < 0.001). The most significant effect of nintedanib was demonstrated in patients with impaired lung function, i.e., with an FVC predicted to be less than 80 % and a NYHA II to IV. Nintedanib therapy also reduced the difference in survival between men and women.
Conclusions:
Modelling confirmed that NIN therapy reduced differences in OS between patients with better and worse initial conditions and prognosis. Our results indicate that NIN is particularly beneficial for patients with advanced IPF and more severe phenotypes.
Trial Registration:
EMPIRE was registered as a non-interventional post-registration study at the State Institute for Drug Control of the Czech Republic under ID 1412080000 on December 8, 2014.
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