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Utility of nintedanib for severe idiopathic pulmonary fibrosis: a single-center retrospective study

Authors Abe M, Tsushima K, Sakayori M, Suzuki K, Ikari J, Terada J, Tatsumi K

Received 7 July 2018

Accepted for publication 18 September 2018

Published 9 October 2018 Volume 2018:12 Pages 3369—3375

DOI https://doi.org/10.2147/DDDT.S179427

Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 2

Editor who approved publication: Dr Qiongyu Guo


Mitsuhiro Abe,1 Kenji Tsushima,1,2 Masashi Sakayori,1 Kenichi Suzuki,1 Jun Ikari,1 Jiro Terada,1 Koichiro Tatsumi1

1Department of Respirology, Graduate School of Medicine, Chiba University, Chuo-ku, Chiba city, Chiba 260-8670, Japan; 2Department of Pulmonary Medicine, International University of Health and Welfare, School of Medicine, Narita city, Chiba 286-8686, Japan

Introduction: The INPULSIS-ON trial demonstrated that nintedanib reduced decline in forced vital capacity (FVC) and low pulmonary function (%FVC < 50%) of patients with idiopathic pulmonary fibrosis (IPF). However, there is no sufficient evidence in real world.
Objectives: Reveal the utility and adverse events of nintedanib for severe IPF patients.
Methods: This was a single-center retrospective study. Patients who met the eligibility criteria of the INPULSIS trial (%FVC ≥ 50%; %DLCO [diffusing capacity of the lung carbon monoxide % predicted] ≥ 30%) were classified as Mild to Moderate Group (n = 34); patients who did not meet the criteria were classified as Severe Group (n=17).
Results: The body mass index (24.7 ± 3.4 vs 22.4 ± 3.6 kg/m2; P = 0.021) were significantly low in Severe Group. Main adverse events (diarrhea, nausea, liver disorder, and acute exacerbation) tended to be more in Severe Group than in Mild to Moderate Group; however, the difference was not significant (P = 0.76, 0.14, 0.18, and 0.67, respectively). The continuation rates over 12 months tended to be higher in Mild to Moderate Group than in Severe Group (77% vs 44%; P = 0.027). Log-rank test revealed that the prognosis was significantly better in Mild to Moderate Group than in Severe Group (P = 0.014). In the Severe Group, patients who were able to continue nintedanib for more than 3 months had significantly better prognosis compared to those who could not (P = 0.007).
Conclusion: The benefit from nintedanib was reduced in patients in Severe Group when compared to those in Mild to Moderate Group; however, the prognosis is expected to improve with control of side effects and long-term administration. It is more important to control the side effects in Severe Group.

Keywords: idiopathic pulmonary fibrosis, nintedanib, triple tyrosine kinase inhibitor, INPULSIS trials, forced vital capacity

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