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GLP-1 as a diagnostic test to determine beta-cell function and the presence of the condition of IGT and type-II diabetes

a type-ii diabetes and beta-cell technology, applied in the direction of peptide/protein ingredients, extracellular fluid disorder, metabolic disorder, etc., can solve the problems of deterioration of glucose control, considerable patient discomfort and pain, and time-consuming, so as to stimulate insulin secretion and test the function of -cells, the effect of easy reproducibility

Inactive Publication Date: 2005-01-13
HOLST J J +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0011] Since glucagon-like peptide-1 (GLP-1) is the most potent insulinotropic hormone known and has been shown to stimulate insulin secretion strongly in patients with type II diabetes, this invention uses GLP-1 or its biologically active analogues in β-cell stimulatory tests in order to test β-cell function in a simple way. The test provides information about insulin secretory capacity, is easy and reproducible and has insignificant side effects.

Problems solved by technology

However, this test is time consuming and known to cause considerable patient discomfort and pain.
The deterioration of glucose control in IGT with time is predominantly due to progressive impairment of β-cell function, and in many cases results in the definitive loss of glucose control and the deleterious onset of NIDDM.

Method used

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  • GLP-1 as a diagnostic test to determine beta-cell function and the presence of the condition of IGT and type-II diabetes
  • GLP-1 as a diagnostic test to determine beta-cell function and the presence of the condition of IGT and type-II diabetes
  • GLP-1 as a diagnostic test to determine beta-cell function and the presence of the condition of IGT and type-II diabetes

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[0033] The present study was divided into three parts. The aim of part one was to establish dose-response relationships for GLP-1 stimulation with respect to insulin secretion (with 2.5, 5, 15, and 25 nmol of GLP-1) and compare the responses to that seen after a standard meal test and after a glucagon test (1 mg I.V.). In part two of the study, the aim was to evaluate the performance of the selected dose in a larger group (12 type II diabetic patients and 12 matched healthy subjects) and to examine the effect of GLP-1 with concomitant infusion of glucose elevating plasma glucose to 15 mmol / l. In part three, the aim was to compare the combined glucose+GLP-1 injection from part two with the established hyperglycemic clamp with arginine used for determination of maximal secretory capacity.

[0034] Part one: Six type II diabetic patients (four men and two women, mean (range), age: 56 years (48-67 years); BMI: 31.1 kg / m2 (27-38 kg / m2); HbA1c; 9.6% (7,0-12.5%)) and 6 healthy subjects indiv...

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Abstract

Since glucagon-like peptide-1 (GLP-1) is the most potent insulinotropic hormone known and has been shown to stimulate insulin secretion strongly in patients with type II diabetes, this invention uses GLP-1 or its biologically active analogues in β-cell stimulatory tests in order to test β-cell function in a simple way. The test provides information about insulin secretory capacity, is easy and reproducible and has insignificant side effects.

Description

FIELD OF THE INVENTION [0001] This invention relates to the detection of impaired β-cell function of individuals as diagnostic indicator of impaired glucose tolerance and a warning sign of diabetes. BACKGROUND OF THE INVENTION [0002] Evaluation of β-cell function is of interest in many different situations: in monitoring diabetic subjects under treatment, in family studies estimating the risk of developing diabetes, and after pancreas or islet transplantation. The exact β-cell mass cannot be measured directly. As a surrogate, the glucagon test has gained wide acceptance as a measure of β-cell function during daily life since the plasma C-peptide concentration 6 minutes after 1 mg of glucagon (I.V.) has been shown, in most cases, to correspond to the maximal C-peptide concentration after a standard meal (Faber O K, Binder C (1977) C-peptide response to glucagon. A test for the residual beta-cell function in diabetes mellitus. Diabetes 26:605-610; Madsbad S, Krarup T, McNair P et al (...

Claims

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Application Information

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IPC IPC(8): A61K49/00C07K14/605
CPCA61K49/0004
Inventor HOLST, J.J.VILSBOLL, TINA
Owner HOLST J J
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