Hybrid Closed-Loop Therapy in Adults with Type 1 Diabetes in England: Long-Term Outcomes from a Real-World Observational Study.
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Authors
Liarakos, Alexandros L
Crabtree, Thomas S J
Griffin, Tomás P
Hussain, Sufyan
Gallen, Geraldine
Elliott, Jackie
Furlong, Niall
Narendran, Parth
Thabit, Hood
Leelarathna, Lalantha
Issue Date
2025-05-30
Type
Journal Article
Language
en
Keywords
artificial pancreas , automated insulin delivery , diabetes technology , hybrid closed loop , type 1 diabetes
Alternative Title
Abstract
To evaluate longitudinal real-world outcomes in adults with type 1 diabetes initiating hybrid closed loop (HCL). Adults with type 1 diabetes, managed with an insulin pump and intermittently scanned continuous glucose monitoring with hemoglobin A1c (HbA1c) ≥8.5% (69 mmol/mol), were started on HCL between August and December 2021 as part of the National Health Service England HCL pilot. We collected outcomes, including change in HbA1c, sensor glucometrics, Gold score (hypoglycemia awareness), diabetes distress score, acute event rates, and user opinion of HCL. In total, 420 HCL users across 30 diabetes centers in the United Kingdom were included (median age 40 [interquartile range or IQR 29-50] years, 68% female, 85% White British). Over a median follow-up of 12 months (IQR 8-28) (range 6-38 months), mean adjusted HbA1c reduced by 1.4% (95% confidence interval [CI] -1.5, -1.3; < 0.001) (16 mmol/mol [95% CI -17, -14]; < 0.001). Time in range (70-180mg/dL) increased from 33.7% to 60.4% ( < 0.001). The proportion of individuals achieving HbA1c ≤7.5% (58 mmol/mol) increased from 0% to 33.1% ( < 0.001). Diabetes distress score reduced (-1.1; 95% CI -1.3, -1.0; < 0.001) and Gold score reduced (-0.4; 95% CI -0.5, -0.2; < 0.001). The percentage of individuals with impaired hypoglycemia awareness (Gold score ≥4) decreased (16.6% [baseline] vs. 9.2% [follow-up]; < 0.001). Almost all participants stated that HCL had a positive impact on quality of life (94.5%; 361/382). The number of hospital admissions was low. Long-term real-world use of HCL is associated with sustained improvements in glycemic and person-reported outcomes in adults with type 1 diabetes and above-target HbA1c levels.
Description
Ó The Author(s) 2025. Published by Mary Ann Liebert, Inc. This Open Access article is distributed under the terms of the CreativeCommons License [CC-BY] (http://creativecommons.org/licenses/by/4.0), which permits unrestricted use, distribution, andreproduction in any medium, provided the original work is properly cited.820DIABETES TECHNOLOGY & THERAPEUTICSVolume 27, Number 10, 2025Mary Ann Liebert, Inc.DOI: 10.1089/dia.2025.0165
Citation
Liarakos, A. et al. (2025) 'Hybrid Closed-Loop Therapy in Adults with Type 1 Diabetes in England: Long-Term Outcomes from a Real-World Observational Study', Diabetes Technology & Therapeutics. 27(10) pp. 820-830. Available at: https://doi.org/10.1089/dia.2025.0165
Publisher
Mary Ann Liebert - Sage
License
Journal
Diabetes technology & therapeutics
Volume
27
Issue
10
PubMed ID
ISSN
1557-8593