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A Novel Insulin/Glucose Model after a Mixed-Meal Test in Patients with Type 1 Diabetes on Insulin Pump Therapy

Scientific Reports, ISSN: 2045-2322, Vol: 6, Issue: 1, Page: 36029
2016
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Mixed Meal Test in Type 1 Diabetes on Insulin Pump Therapy: Optimization of Artificial Pancreas

STUDY INFORMATION OFFICIAL TITLE: Meal Glucose Regulation in Type 1 Diabetes on Insulin Pump Therapy: Towards a Better Understanding of the Glucose-Insulin System. CURRENT STATUS:

Article Description

Current closed-loop insulin delivery methods stem from sophisticated models of the glucose-insulin (G/I) system, mostly based on complex studies employing glucose tracer technology. We tested the performance of a new minimal model (GLUKINSLOOP 2.0) of the G/I system to characterize the glucose and insulin dynamics during multiple mixed meal tests (MMT) of different sizes in patients with type 1 diabetes (T1D) on insulin pump therapy (continuous subcutaneous insulin infusion, CSII). The GLUKINSLOOP 2.0 identified the G/I system, provided a close fit of the G/I time-courses and showed acceptable reproducibility of the G/I system parameters in repeated studies of identical and double-sized MMTs. This model can provide a fairly good and reproducible description of the G/I system in T1D patients on CSII, and it may be applied to create a bank of "virtual" patients. Our results might be relevant at improving the architecture of upcoming closed-loop CSII systems.

Bibliographic Details

Marchetti, Luca; Reali, Federico; Dauriz, Marco; Brangani, Corinna; Boselli, Linda; Ceradini, Giulia; Bonora, Enzo; Bonadonna, Riccardo C; Priami, Corrado

Springer Science and Business Media LLC

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