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GLP1R Polymorphisms and Response to GLP1

NCT00588380 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 88

Last updated 2011-12-19

Study results available
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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.

Conditions

Interventions

DRUG

GLP-1

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,

Sponsors & Collaborators

Principal Investigators

  • Adrian Vella, MD · Mayo Clinic

Study Design

Allocation
NA
Purpose
BASIC_SCIENCE
Masking
NONE
Model
SINGLE_GROUP

Eligibility

Min Age
18 Years
Max Age
40 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2007-11-30
Primary Completion
2010-09-30
Completion
2010-09-30

Countries

  • United States

Study Locations

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Entities

Diseases
Companies

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT00588380 on ClinicalTrials.gov