吡非尼酮
特发性肺纤维化
观察研究
医学
肺纤维化
重症监护医学
真实世界的证据
内科学
纤维化
肺
作者
Argyrios Tzouvelekis,Paschalis Ntolios,Τheodoros Karampitsakos,Vasilios Tzilas,Stavros Anevlavis,Evangelos Bouros,Paschalis Steiropoulos,Νikolaos Koulouris,Grigoris Stratakos,Μarios E. Froudarakis,Demosthenes Bouros
标识
DOI:10.1016/j.pupt.2017.08.011
摘要
Pirfenidone is a novel anti-fibrotic drug that has shown efficacy in five randomized multicenter clinical trials enrolling patients with Idiopathic Pulmonary Fibrosis of mild-to-moderate disease severity. Scarce data supports the use of pirfenidone in IPF patients with more advanced disease. To investigate the safety and efficacy profile of pirfenidone in IPF patients with severe lung function impairment. This was a retrospective study enrolling patients with advanced IPF (FVC%predicted < 50% and/or (DLco%predicted <35%) receiving pirfenidone for at least 6 months. Between September 2011 and March 2013, we identified 43 patients with severe IPF (baseline meanFVC%predicted±SD: 63.8 ± 20.3, meanDLCO%predicted: 27.3 ± 8.2), of mean age±SD: 66.3 + 9.7, 34 males (81%) that received pirfenidone (2.403 mg/daily) for one year. Pirfenidone treatment was associated with a trend towards decrease in functional decline compared to 6-months before treatment initiation but failed to show any benefit after one year of treatment (ΔFVC: −3.3 ± 4.6 vs 0.49 ± 11.4 and vs. −5.8 ± 11.8, p = 0.06 and p = 0.04, respectively and ΔDLCO: −13.3 ± 15.2 vs. −10.1 ± 16.6 and vs. 28.3 ± 19.2, p = 0.39 and p = 0.002, respectively). Gastrointestinal disorders (34.9%), fatigue (23.2%) and photosensitivity (18.6%) were the most common adverse events. Adverse events led to treatment discontinuation in 9 patients (20.9%) and dose reduction in 14 (32.5%). Pirfenidone appears to be safe when administered in patients with advanced IPF. Pirfenidone efficacy in IPF patients with severe lung function impairment may diminish after 6 months of treatment.
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