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Pilot Study of Closed-Loop Glucose Control in People With Type 1 Diabetes

2014-07-23 21:13:18 | BioPortfolio

Summary

This study plans to link two existing technologies, the insulin pump and the continuous glucose monitor (CGM), to essentially develop an artificial pancreas, i.e., closed-loop. This will be done using two continuous glucose monitors (CGMs), a computer containing an investigational control algorithm that uses glucose information from the CGM to recommend insulin dosing, and an insulin pump. The purpose of this study is to test the ability of continuous glucose monitors together with an insulin pump and a mathematical formula to control blood sugar levels of people with type 1 diabetes.

Study Design

Allocation: Non-Randomized, Control: Uncontrolled, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Conditions

Type 1 Diabetes

Intervention

Closed-loop control

Location

University of Virginia
Charlottesville
Virginia
United States
22904

Status

Completed

Source

University of Virginia

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-07-23T21:13:18-0400

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Medical and Biotech [MESH] Definitions

The time period before the development of symptomatic diabetes. For example, certain risk factors can be observed in subjects who subsequently develop INSULIN RESISTANCE as in type 2 diabetes (DIABETES MELLITUS, TYPE 2).

A subclass of DIABETES MELLITUS that is not INSULIN-responsive or dependent (NIDDM). It is characterized initially by INSULIN RESISTANCE and HYPERINSULINEMIA; and eventually by GLUCOSE INTOLERANCE; HYPERGLYCEMIA; and overt diabetes. Type II diabetes mellitus is no longer considered a disease exclusively found in adults. Patients seldom develop KETOSIS but often exhibit OBESITY.

Portable or implantable devices for infusion of insulin. Includes open-loop systems which may be patient-operated or controlled by a pre-set program and are designed for constant delivery of small quantities of insulin, increased during food ingestion, and closed-loop systems which deliver quantities of insulin automatically based on an electronic glucose sensor.

A 51-amino acid pancreatic hormone that plays a major role in the regulation of glucose metabolism, directly by suppressing endogenous glucose production (GLYCOGENOLYSIS; GLUCONEOGENESIS) and indirectly by suppressing GLUCAGON secretion and LIPOLYSIS. Native insulin is a globular protein comprised of a zinc-coordinated hexamer. Each insulin monomer containing two chains, A (21 residues) and B (30 residues), linked by two disulfide bonds. Insulin is used as a drug to control insulin-dependent diabetes mellitus (DIABETES MELLITUS, TYPE 1).

A severe type of hyperlipidemia, sometimes familial, that it is characterized by the elevation of both plasma CHYLOMICRONS and TRIGLYCERIDES contained in VERY-LOW-DENSITY LIPOPROTEINS. Type V hyperlipoproteinemia is often associated with DIABETES MELLITUS and is not caused by reduced LIPOPROTEIN LIPASE activity as in HYPERLIPOPROTEINEMIA TYPE I .

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