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Closed-loop Control of Overnight Glucose Levels in Adults and Adolescents With Type 1 Diabetes

Type 1 Diabetes Clinical Trial

Official title:
An Open-label, Randomized, Three-way, Multicenter Study to Compare the Efficacy of Single-hormone Closed-loop Strategy, Dual-hormone Closed-loop Strategy and Conventional Insulin Pump Therapy in Regulating Overnight Glucose Levels at Home in Adolescents and Adults With Type 1 Diabetes

Clinical Trial Summary

Closed-loop strategy is composed of three components: glucose sensor to read glucose levels, insulin pump to infuse insulin and a dosing mathematical algorithm to decide on the required insulin dosages based on the sensor's readings. A dual-hormone closed-loop system would regulate glucose levels through the infusion of two hormone: insulin and glucagon.

The main objective of this project is to compare the efficacy of single-hormone closed-loop strategy, dual-hormone closed-loop strategy and pump therapy to regulate overnight glucose levels in a out-patient study in adults and adolescents with type 1 diabetes.

The investigators hypothesized that dual-hormone closed-loop strategy is more effective in regulating overnight glucose levels in adults and adolescents with type 1 diabetes compared to single-hormone closed-loop strategy, which in turn is more effective than the conventional pump therapy.

Clinical Trial Description

Closed-loop strategy is composed of three components: glucose sensor to read glucose levels, insulin pump to infuse insulin and a dosing mathematical algorithm to decide on the required insulin dosages based on the sensor's readings. A dual-hormone closed-loop system would regulate glucose levels through the infusion of two hormone: insulin and glucagon.

We aim to conduct a multicenter study to compare the efficacy of conventional pump therapy, single-hormone closed-loop strategy and dual-hormone closed-loop strategy to regulate overnight glucose levels, at home, in adolescents and adults with type 1 diabetes. Each intervention will be tested on two nights: 1) After a carbohydrate-rich dinner meal (to exaggerate hyperglycemic risk and; 2) After an evening exercise (to exaggerate hypoglycemic risk). ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Crossover Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01905020
Study type Interventional
Source Institut de Recherches Cliniques de Montreal
Contact
Status Completed
Phase Phase 2
Start date July 2013
Completion date September 2014
View Details
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