The safety of new drug treatments for idiopathic pulmonary fibrosis

Fletcher, Sophie, Jones, Mark G., Spinks, Katherine, Sgalla, Giacomo, Marshall, Ben G., Limbrey, Rachel and Richeldi, Luca (2016) The safety of new drug treatments for idiopathic pulmonary fibrosis. Expert Opinion on Drug Safety, 15 (11), 1483-1489. (doi:10.1080/14740338.2016.1218470).

Abstract

Introduction: The management of idiopathic pulmonary fibrosis (IPF) has been transformed by the recent approval of two anti-fibrotic drugs, nintedanib and pirfenidone. An increasing number of patients with IPF are receiving treatment with these novel therapies, and the risk of adverse events that may be associated with their use must be carefully evaluated.

Areas covered: Safety data about nintedanib and pirfenidone is critically evaluated, including data from randomized clinical trials and post-marketing reports. Management strategies to minimize the occurrence of side effects are summarized.

Expert opinion: The safety profile of the two anti-fibrotic drugs approved for clinical use in IPF patients appears to be comparable. Data from clinical trials and initial post-marketing surveillance indicate that most of the observed side effects are mild and easily manageable. However, approximately 1/5 of patients may discontinue treatment as a consequence of side effects. Careful patient counselling, and regular follow-up during therapy could reduce the rate of discontinuations. Ongoing post-marketing surveillance may further inform our understanding of the safety profile of these therapies.

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Contributors

Author: Sophie Fletcher

Author: Mark G. Jones

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