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FreeStyle Libre Flash Glucose Monitoring system for people with type 1 diabetes in the UK: a budget impact analysis

Blissett, Robert; Blissett, Deirdre; Levrat-Guillen, Fleur; Deshmukh, Harshal; Wilmot, Emma G.; Ryder, Robert E.J.; Walton, Chris; Sathyapalan, Thozhukat


Robert Blissett

Deirdre Blissett

Fleur Levrat-Guillen

Emma G. Wilmot

Robert E.J. Ryder

Chris Walton


INTRODUCTION: This study aims to estimate the budget impact of increased uptake of the FreeStyle Libre Flash Glucose Monitoring system in people with type 1 diabetes mellitus (T1DM) in the UK. RESEARCH DESIGN AND METHODS: A budget impact model was developed, applying real-world data collected in the Association of British Clinical Diabetologists (ABCD) FreeStyle Libre Nationwide Audit. Costs of diabetes glucose monitoring in a T1DM population (n=1790) using self-monitoring of blood glucose (SMBG) or the FreeStyle Libre system were compared with a scenario with increased use of the FreeStyle Libre system. RESULTS: The ABCD audit demonstrates FreeStyle Libre system use reduces diabetes-related resource utilization. The cost analysis found that higher acquisition costs are offset by healthcare costs avoided (difference £168 per patient per year (PPPY)). Total costs were £1116 PPPY with FreeStyle Libre system compared with £948 PPPY with SMBG. In an average-sized UK local health economy, increasing FreeStyle Libre system uptake from 30% to 50% increased costs by 3.4% (£1 787 345-£1 847 618) and when increased to 70% increased by a further 3.3%. CONCLUSION: Increased uptake of the FreeStyle Libre system in the T1DM population marginally increases the cost to UK health economies and offers many system benefits.


Blissett, R., Blissett, D., Levrat-Guillen, F., Deshmukh, H., Wilmot, E. G., Ryder, R. E., …Sathyapalan, T. (2022). FreeStyle Libre Flash Glucose Monitoring system for people with type 1 diabetes in the UK: a budget impact analysis. BMJ Open Diabetes Research and Care, 10(2), Article e002580.

Journal Article Type Article
Acceptance Date Feb 5, 2022
Online Publication Date Mar 28, 2022
Publication Date 2022
Deposit Date Apr 21, 2022
Publicly Available Date Oct 27, 2022
Journal BMJ open diabetes research & care
Electronic ISSN 2052-4897
Publisher BMJ Publishing Group
Peer Reviewed Peer Reviewed
Volume 10
Issue 2
Article Number e002580
Public URL


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© Author(s) (or their employer(s)) 2022. Re-use permitted under CC BY-NC. No commercial re-use. See rights and permissions. Published by BMJ.<br /> This is an open access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited, appropriate credit is given, any changes made indicated, and the use is non-commercial. See:

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