Stroke Clinical Trial - The Effect of GLP-1 on Glucose Uptake in the Brain

Status Completed

Clinical Trial Summary

Type 2 diabetes mellitus, T2D is a disease characterized by an immense growing prevalence world wide with an increased risk of myocardial infarction and stroke. GLP-1 has convincing effects on the high glucose levels in type 2 diabetic patients and is well tolerated. New animal studies indicate a protective effect of GLP-1 in the brain and the heart. The mechanism behind this is yet not known.

The study hypothesis is that GLP-1 will stimulate glucose-uptake in the brain and heart independent of insulin and thereby exert its protective effects.

Clinical Trial Description

Type 2 diabetes mellitus, T2D is a disease characterized by an immense growing prevalence world wide. T2D is associated with a three-fold increase in cardiovascular complications (myocardial infarction and stroke) leading to significantly higher morbidity and mortality in this group of patients. The prospective British Diabetes Study (UKPDS) showed that neither diet alone nor the pharmaceutical treatment utilized (Sulphonylurea, Metformin, Insulin) were able to reduce these macrovascular complications. GLP-1 (glucagon-like-peptide-1)is an incretin with convincing effects on glycaemia in type 2 diabetic patients with little or no risk of hypoglycaemia. New research in animal models has shown a potential protective effect in the brain and heart in association with ischaemic damage. The mechanism behind this protective effect is not known.

The effect of native GLP-1 on glucose uptake in the brain and heart will by visualized by fluoro-deoxy-glucose FDG-PET-scan during normoglycaemia in healthy young men. At the same time a pancreatic/pituitary clamp will be performed. The hypothesis is that GLP-1 directly will stimulate glucose uptake independent of the pancreatic hormones and through this mechanism exert its neuro- and cardioprotective actions.

Comparisons: FDG-uptake in the brain and heart with GLP-1 infusion compared to placebo. ;

Study Design

Allocation: Randomized, Endpoint Classification: Pharmacokinetics/Dynamics Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT00256256
Study type	Interventional
Source	University of Aarhus
Contact
Status	Completed
Phase	N/A
Start date	November 2005
Completion date	January 2007

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

The Effect of GLP-1 on Glucose Uptake in the Brain and Heart in Healthy Men

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms