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Cost-effectiveness of roflumilast as an add-on to triple inhaled therapy versus triple inhaled therapy in patients with severe and very severe COPD associated with chronic bronchitis in the UK

Authors Kiff C, Ruiz S, Varol N, Gibson D, Davies A, Purkayastha D

Received 13 March 2018

Accepted for publication 29 June 2018

Published 3 September 2018 Volume 2018:13 Pages 2707—2720

DOI https://doi.org/10.2147/COPD.S167730

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Charles Downs

Peer reviewer comments 2

Editor who approved publication: Dr Richard Russell


Chris Kiff,1 Sandrine Ruiz,2 Nebibe Varol,3 Danny Gibson,4 Andrew Davies,1 Debasree Purkayastha5

1ICON plc, Abingdon, UK; 2AstraZeneca, Barcelona, Spain; 3AstraZeneca, Cambridge, UK; 4AstraZeneca, Luton, UK; 5Phastar, Manchester, UK

Purpose: Patients with severe COPD are at high risk of experiencing disease exacerbations, which require additional treatment and are associated with elevated mortality and increased risk of future exacerbations. Some patients continue to experience exacerbations despite receiving triple inhaled therapy (ICS plus LAMA plus LABA). Roflumilast is recommended by the Global Initiative for Chronic Obstructive Lung Disease as add-on treatment to triple inhaled therapy for these patients. This cost-effectiveness analysis compared costs and quality-adjusted life-years for roflumilast plus triple inhaled therapy vs triple inhaled therapy alone, using data from the REACT and RE2SPOND trials.
Patients and methods: Patients included in the analysis had severe to very severe COPD, FEV1 <50% predicted, symptoms of chronic bronchitis and ≥2 exacerbations per year. Our model was adapted from a previously published and validated model, and the analyses conducted from a UK National Health Service perspective. A scenario analysis considered a subset of patients who had experienced at least one COPD-related hospitalization within the previous year.
Results: Roflumilast as add-on to triple inhaled therapy was associated with non-significant reductions in rates of both moderate and severe exacerbations compared with triple inhaled therapy alone. The incremental cost-effectiveness ratio (ICER) for roflumilast as add-on to triple inhaled therapy was £24,976. In patients who had experienced previous hospitalization, roflumilast was associated with a non-significant reduction in the rate of moderate exacerbations, and a statistically significant reduction in the rate of severe exacerbations. The ICER for roflumilast in this population was £7,087.
Conclusions: Roflumilast is a cost-effective treatment option for patients with severe or very severe COPD, chronic bronchitis, and a history of exacerbations. The availability of roflumilast as add-on treatment addresses an important unmet need in this patient population.

Keywords: National Health Service, National Institute for Health and Care Excellence, exacerbation rates

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