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A Comparison Study of Prototype Continuous Glucose Sensors in the Intradermal and Subcutaneous Spaces

2014-07-23 21:09:44 | BioPortfolio

Summary

The purpose of this study is to compare two continuous glucose sensors, one placed subcutaneous (under the skin) and one placed intradermal (in the skin) over 12-14 hours.

Description

This was a single site, non-randomized study. The study consisted of a screening visit (Visit 1), during which the subject was consented and the inclusion and exclusion criteria confirmed, an experimental intervention (Visit 2) and a follow-up visit (Visit 3). The experimental intervention was based on an initial glucose clamp involving a basal intravenous (IV) insulin infusion and IV insulin boluses plus IV glucose infusion / IV glucose boluses as required to maintain euglycemic, hypoglycemic and hyperglycemic plateaus respectively in 41 subjects with Type 1 or Type 2 Diabetes. At the end of hour five of the study the glucose clamp was discontinued and subjects given a standardized meal to stimulate a hyperglycemic excursion

Each subject participated in one experimental intervention. During the glucose clamp intervention, the subject's blood glucose was continuously monitored either by means of the Biostator or by frequent venous blood glucose measurements based on a standard lab method (YSI STAT2300 analyzer), and measured by means of the BD Technologies test devices, and the Medtronic Guardian CGM. Once the clamp was discontinued the Biostator was discontinued as well. During the unclamped period and meal the subjects BG was monitored via the YSI Glucose Analyzer, the BD CGM sensor and the Medtronic Guardian CGM.

Study Design

Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Basic Science

Conditions

Diabetes

Intervention

MiniMed Guardian CGM (BD CGM), YSI Glucose Analyzer, Medtronic Guardian CGM

Location

Profil Institute for Clinical Research Inc
Chula Vista
California
United States
91911

Status

Completed

Source

Becton, Dickinson and Company

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-07-23T21:09:44-0400

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Medical and Biotech [MESH] Definitions

A glucoside-derived SODIUM-GLUCOSE TRANSPORTER 2 inhibitor that stimulates urinary excretion of glucose by suppressing renal glucose reabsorption. It is used to manage BLOOD GLUCOSE levels in patients with TYPE 2 DIABETES.

The state of PREGNANCY in women with DIABETES MELLITUS. This does not include either symptomatic diabetes or GLUCOSE INTOLERANCE induced by pregnancy (DIABETES, GESTATIONAL) which resolves at the end of pregnancy.

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.

A mass spectrometry technique using two (MS/MS) or more mass analyzers. With two in tandem, the precursor ions are mass-selected by a first mass analyzer, and focused into a collision region where they are then fragmented into product ions which are then characterized by a second mass analyzer. A variety of techniques are used to separate the compounds, ionize them, and introduce them to the first mass analyzer. For example, for in GC-MS/MS, GAS CHROMATOGRAPHY-MASS SPECTROMETRY is involved in separating relatively small compounds by GAS CHROMATOGRAPHY prior to injecting them into an ionization chamber for the mass selection.

A pathological state in which BLOOD GLUCOSE level is less than approximately 140 mg/100 ml of PLASMA at fasting, and above approximately 200 mg/100 ml plasma at 30-, 60-, or 90-minute during a GLUCOSE TOLERANCE TEST. This condition is seen frequently in DIABETES MELLITUS, but also occurs with other diseases and MALNUTRITION.

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