• Luca Richeldi, Vincent Cottin, Roland M du Bois, Moisés Selman, Toshio Kimura, Zelie Bailes, Rozsa Schlenker-Herceg, Susanne Stowasser, and Kevin K Brown.
• National Institute for Health Research, Southampton Respiratory Biomedical Research Unit and Clinical and Experimental Sciences, University of Southampton, University Road, Southampton, SO17 1BJ, UK. Electronic address: L.Richeldi@soton.ac.uk.
• Respir Med. 2016 Apr 1; 113: 74-9.

Background And PurposeThe Phase II TOMORROW trial and two Phase III INPULSIS(®) trials investigated the efficacy and safety of nintedanib versus placebo in patients with idiopathic pulmonary fibrosis (IPF). To obtain an overall estimate of the treatment effect of nintedanib 150 mg twice daily (bid), pooled and meta-analyses of data from these three trials were conducted.MethodsPooled and meta-analyses were conducted for annual rate of decline in forced vital capacity (FVC), time to first acute exacerbation, change from baseline in St George's Respiratory Questionnaire (SGRQ) total score and mortality over 52 weeks.Results1231 patients (nintedanib n = 723, placebo n = 508) were included in the pooled analysis. Adjusted annual rate of decline in FVC was -112.4 mL/year with nintedanib and -223.3 mL/year with placebo (difference: 110.9 mL/year [95% CI: 78.5, 143.3]; p < 0.0001). The hazard ratio for time to first acute exacerbation was 0.53 (95% CI: 0.34, 0.83; p = 0.0047). Adjusted mean change from baseline in SGRQ score at week 52 was 2.92 with nintedanib and 4.97 with placebo (difference: -2.05 [95% CI: -3.59, -0.50]; p = 0.0095). Hazard ratios for time to all-cause and on-treatment mortality were 0.70 (95% CI: 0.46, 1.08; p = 0.0954) and 0.57 (95% CI: 0.34, 0.97; p = 0.0274), respectively, in favour of nintedanib. The meta-analysis was generally consistent with the pooled analysis. Diarrhoea was the most frequent adverse event in the nintedanib group (61.5% of patients treated with nintedanib versus 17.9% of patients treated with placebo).ConclusionNintedanib has a beneficial effect on slowing disease progression in patients with IPF.Copyright © 2016 The Authors. Published by Elsevier Ltd.. All rights reserved.

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