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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Thabit, H. Elleri, D. Leelarathna, L. Allen, J. M. Lubina-Solomon, A. Stadler, M. Walkinshaw, E. Iqbal, A. Choudhary, P. Wilinska, M. E. Barnard, K. D. Heller, S. R. Amiel, S. A. Evans, M. L. Dunger, D. B. Hovorka, R. |
| Description | Country affiliation: United kingdom Author Affiliation: Thabit H ( Wellcome Trust-MRC Institute of Metabolic Science, University of Cambridge, Cambridge, UK.) |
| Abstract | AIMS: To compare overnight closed-loop and sensor-augmented pump therapy in patients with type 1 diabetes by combining data collected during free-living unsupervised randomized crossover home studies. METHODS: A total of 40 participants with type 1 diabetes, of whom 24 were adults [mean ± standard deviation (s.d.) age 43 ± 12 years and glycated haemoglobin (HbA1c) 8.0 ± 0.9%] and 16 were adolescents (mean ± s.d. age 15.6 ± 3.6 years and HbA1c 8.1 ± 0.8%), underwent two periods of sensor-augmented pump therapy in the home setting, in combination with or without an overnight closed-loop insulin delivery system that uses a model predictive control algorithm to direct insulin delivery. The order of the two interventions was random; each period lasted 4 weeks in adults and 3 weeks in adolescents. The primary outcome was time during which sensor glucose readings were in the target range of 3.9-8.0 mmol/l. RESULTS: The proportion of time when sensor glucose was in the target range (3.9-8.0 mmol/l) overnight (between 24:00 and 08:00 hours) was 18.5% greater during closed-loop insulin delivery than during sensor-augmented therapy (p < 0.001). Closed-loop therapy significantly reduced mean overnight glucose levels by 0.9 mmol/l (p < 0.001), with no difference in glycaemic variability, as measured by the standard deviation of sensor glucose. Time spent above the target range was reduced (p = 0.001), as was time spent in hypoglycaemia (<3.9 mmol/l; p = 0.014) during closed-loop therapy. Lower mean overnight glucose levels during closed-loop therapy were brought about by increased overnight insulin delivery (p < 0.001) without changes to the total daily delivery (p = 0.84). CONCLUSION: Overnight closed-loop insulin therapy at home in adults and adolescents with type 1 diabetes is feasible, showing improvements in glucose control and reducing the risk of nocturnal hypoglycaemia. |
| File Format | HTM / HTML |
| ISSN | 14628902 |
| e-ISSN | 14631326 |
| DOI | 10.1111/dom.12427 |
| Journal | Diabetes, Obesity and Metabolism |
| Issue Number | 5 |
| Volume Number | 17 |
| Language | English |
| Publisher | Wiley-Blackwell |
| Publisher Date | 2015-05-01 |
| Publisher Place | Great Britain (UK) |
| Access Restriction | Open |
| Subject Keyword | Discipline Metabolism Discipline Endocrinology Discipline Pharmacology Discipline Diabetology Diabetes Mellitus, Type 1 Drug Therapy Hypoglycemic Agents Administration & Dosage Insulin Infusion Systems Insulin Adolescent Algorithms Blood Glucose Metabolism Blood Glucose Self-monitoring Cross-over Studies Blood Hemoglobin A, Glycosylated Hypoglycemia Time Factors Comparative Study Randomized Controlled Trial Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Endocrinology, Diabetes and Metabolism Internal Medicine Endocrinology |
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