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A Comparison of the Real-Life Clinical Effectiveness of the Leading Licensed ICS/LABA Combination Inhalers in the Treatment for COPD

Authors Ming SWY, Haughney J, Ryan D, Small I, Lavorini F, Papi A, Singh D, Halpin DMG, Hurst JR, Patel S, Ochel M, Kocks J, Carter V, Hardjojo A, Price DB

Received 28 May 2020

Accepted for publication 26 October 2020

Published 26 November 2020 Volume 2020:15 Pages 3093—3103


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Richard Russell

Simon Wan Yau Ming,1 John Haughney,2 Dermot Ryan,3 Iain Small,4 Federico Lavorini,5 Alberto Papi,6 Dave Singh,7 David MG Halpin,8 John R Hurst,9 Shishir Patel,10 Matthias Ochel,10 Janwillem Kocks,1,11,12 Victoria Carter,1 Antony Hardjojo,1 David B Price1,2

1Observational and Pragmatic Research Institute, Singapore, Singapore; 2Centre of Academic Primary Care, Division of Applied Health Sciences, University of Aberdeen, Aberdeen, UK; 3Optimum Patient Care, Cambridge, UK; 4Peterhead Health Centre, Aberdeen, UK; 5Department of Experimental and Clinical Medicine, Careggi University Hospital, Florence, Italy; 6University of Ferrara, Ferrara, Italy; 7University of Manchester, Manchester University NHS Foundation Trust, Manchester, UK; 8Royal Devon and Exeter Hospital, Exeter, UK; 9UCL Respiratory, University College London, London, UK; 10Chiesi Limited, Manchester, UK; 11General Practitioners Research Institute, Groningen, the Netherlands; 12University of Groningen, University Medical Center Groningen, GRIAC Research Institute, Groningen, the Netherlands

Correspondence: David B Price
Centre of Academic Primary Care, Division of Applied Health Sciences, University of Aberdeen, Polwarth Building, Foresterhill, Aberdeen AB25 2ZD, UK
Tel +65 6802 9724

Introduction: The Fostair® 100/6 (BDP/FF) pressurized metered-dose inhaler, delivering an extrafine formulation, is licensed for asthma and COPD in the UK. However, its real-life effectiveness for COPD has not been evaluated. This study compared the clinical effectiveness of BDP/FF against other licensed ICS/LABA combination inhalers: the Seretide® Accuhaler® (FP/SAL) and the Symbicort® Turbohaler® (BUD/FF).
Methods: A matched historical cohort study was conducted using records of patients with diagnostic codes for COPD from the Optimum Patient Care Research Database (OPCRD). Patients who had received BDP/FF as their first ICS/LABA were matched 1:1 with patients who had received FP/SAL or BUD/FF, resulting in two matched comparisons. Additional analysis was conducted on patients who had never had diagnostic codes for asthma. Noninferiority in terms of the proportion of patients with moderate/severe COPD exacerbations on the different inhalers in the following year was assessed. Noninferiority was achieved if the upper CI limit were ≤ 1.2.
Results: This study included 537 and 540 patient pairs in the BDP/FF vs FP/SAL cohort and the BDP/FF vs BUD/FF cohort, respectively. The proportion of patients with COPD exacerbations in the BDP/FF group was not significantly different from either the FP/SAL (68.7% vs 70.2%, AOR 0.89, 95% CI 0.67– 1.19) or BUD/FF group (68.5% vs 69.4%, AOR 0.79, 95% CI 0.58– 1.08). Noninferiority of BDP/FF in preventing COPD exacerbations was fulfilled in both comparisons. In patients without asthma, BDP/FF was also noninferior to BUD/FF (proportion with COPD exacerbations, 67.8% vs 64.7%, AOR 0.79, 95% CI 0.51– 1.1997). Additionally, a significantly lower proportion of patients prescribed BDP/FF had COPD exacerbations than FP/SAL (64.8% vs 73.7%, AOR 0.64 95% CI 0.43– 0.96).
Conclusion: Initiating ICS/LABA treatment of COPD with extrafine-formulation BDP/FF was noninferior in preventing moderate/severe exacerbations compared to FP/SAL and BUD/FF.

Keywords: metered-dose inhaler, dry-powder inhaler, chronic obstructive pulmonary disease, treatment efficacy, cost-effectiveness

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