At a glance
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A Pilot Study Examining How Common Genetic Variation in GLP1R Alters Response to GLP1 Infusion
In Brief
A clinical study evaluating GLP-1 for Diabetes. Completed, enrolled 88 participants across 1 site.
Detailed Summary
Glucagon-like Peptide-1 (GLP-1) is an important incretin hormone which acts as a powerful insulin secretagogue. Defects in GLP-1 synthesis and secretion are thought to be part of the pathogenesis of type 2 diabetes. Furthermore GLP-1 based therapy is an important part of the therapeutic armamentarium for the treatment of type 2 diabetes. The GLP-1 receptor (GLP1R) is the principal site of action of GLP-1 and GLP-1 receptor agonists like exenatide and liraglutide. The gene coding for this receptor, GLP1R, is highly polymorphic and contains numerous non-synonymous Single Nucleotide Polymorphisms (nsSNPs) which could potentially alter response to endogenous or exogenous GLP-1 or GLP-1R agonists. Indeed there is some in vitro data to support this concept. We propose to utilize a hyperglycemic clamp to test the insulin secretory response to infused GLP-1 in healthy volunteers to determine the effect of genetic variation in GLP1R on response to GLP-1.
Study Details
Timeline
Interventions
GLP-1 infused at 0.75 pmol/kg/min from 121-180 minutes, GLP-1 infused at 1.55 pmol/kg/min from 181-240 minutes,