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GIP/GLP-1 Co-Activity in Subjects With Obesity: Lowering of Food Intake — GASOLIN  

Obesity Clinical Trial

Official title:
GIP/GLP-1 Co-Activity in Subjects With Obesity: Lowering of Food Intake

Clinical Trial Summary

We aim to delineate the effects of separate and combined infusion of GIP and GLP-1 on food intake, appetite, bone health and fat metabolism in overweight/obese subjects.

Clinical Trial Description

The gut-derived incretin glucagon-like peptide-1 (GLP-1) is a potent regulator of gastric emptying, appetite and food intake in humans whereas its sister incretin hormone, glucose-dependent insulinotropic polypeptide (GIP), does not seem to have independent effects on these variables in humans. Interestingly, recent data from rodents have shown that concomitant activation of the GIP and the GLP-1 receptor may potentiate the satiety-promoting and body weight-reducing effects of GLP-1. Also, evidence suggests that GIP may be an important mediator of bone remodelling and lipid deposition. The effect of simultaneous activation of the GIP and GLP-1 receptors on appetite, food intake, fat metabolism and bone health has not been thoroughly examined in humans. The aim of this study is to delineate the effects of GIP/GLP-1 receptor co-activation on food intake, mechanisms regulating food intake, fat and bone metabolism in obese subjects.

Material and methods:

The investigators plan to include 18 obese/overweight men without diabetes. The primary endpoint of the study is food intake during continuous intravenous infusions of saline (placebo), GIP, GLP-1 and GIP+GLP-1, respectively. Secondary endpoints includes resting energy expenditure (measured by indirect calorimetry), appetite, satiety and hunger assessments (measured by visual analogue scales), plasma insulin, C-peptide and glucagon secretion, plasma triglycerides, cholesterols, and free fatty acid responses and changes in plasma bone turnover markers. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02598791
Study type Interventional
Source University Hospital, Gentofte, Copenhagen
Contact
Status Completed
Phase N/A
Start date October 1, 2015
Completion date June 20, 2016
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