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Diabetes Obes Metab. 2016 Jul;18(7):671-7. doi: 10.1111/dom.12663. Epub 2016 Apr 25.

Performance and safety of an integrated bihormonal artificial pancreas for fully automated glucose control at home.

Author information

1
Department of Endocrinology, Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands.
2
Inreda Diabetic BV, Goor, The Netherlands.
3
Rijnstate Hospital, Arnhem, The Netherlands.

Abstract

AIMS:

To assess the performance and safety of an integrated bihormonal artificial pancreas system consisting of one wearable device and two wireless glucose sensor transmitters during short-term daily use at home.

METHODS:

Adult patients with type 1 diabetes using an insulin pump were invited to enrol in this randomized crossover study. Treatment with the artificial pancreas started with a day and night in the clinical research centre, followed by 3 days at home. The control period consisted of 4 days of insulin pump therapy at home with blinded continuous glucose monitoring for data collection. Days 2-4 were predefined as the analysis period, with median glucose as the primary outcome.

RESULTS:

A total of 10 patients completed the study. The median [interquartile range (IQR)] glucose level was similar for the two treatments [7.3 (7.0-7.6) mmol/l for the artificial pancreas vs. 7.7 (7.0-9.0) mmol/l for the control; p = 0.123]. The median (IQR) percentage of time spent in euglycaemia (3.9-10 mmol/l) was longer during use of the artificial pancreas [84.7 (82.2-87.8)% for the artificial pancreas vs. 68.5 (57.9-83.6)% for the control; p = 0.007]. Time in hypoglycaemia was 1.3 (0.2-3.2)% for the artificial pancreas and 2.4 (0.4-10.3)% for the control treatment (p = 0.139). Separate analysis of daytime and night-time showed that the improvements were mainly achieved during the night.

CONCLUSIONS:

The results of this pilot study suggest that our integrated artificial pancreas provides better glucose control than insulin pump therapy in patients with type 1 diabetes at home and that the treatment is safe.

KEYWORDS:

clinical trial; glucagon; glycaemic control; insulin therapy; type 1 diabetes

PMID:
26996542
PMCID:
PMC5111773
DOI:
10.1111/dom.12663
[Indexed for MEDLINE]
Free PMC Article

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