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The Role of GIP and GLP-2 in Postprandial Splanchnic Blood Flow Distribution and Metabolism — GA-17  

Blood Flow Clinical Trial

Official title:
The Role of the Intestinal Hormones Glucose-dependent Insulinotropic Polypeptide (GIP) and Glucagon-like Peptide 2 (GLP-2) in Postprandial Splanchnic Blood Flow Distribution and Metabolism in Humans

Clinical Trial Summary

This project will describe the mechanisms of action and the relative contributions of GIP and GLP-2 to changes in gastrointestinal blood flow induced by oral glucose, exogenous GIP and GLP-2 infusions, and endogenous GIP and GLP-2 with the use of two novel receptor antagonists GIP(3-30)NH2 and GLP-2(3-33) in healthy individuals.

Clinical Trial Description

Each participant will attend eight independent randomised experimental days in the MRI-scanner with intravenous infusion (hormone/placebo), subcutaneous injection (hormon/placebo) and oral ingestion (glucose/water). On experimental day A-C, an intravenous infusion of saline, GIP(3-30)NH2, or GLP-2(3-33), respectively, starts at time point -20 minutes. On experimental day D-F, the same infusions are combined with an oral glucose tolerance test (75 gram of glucose dissolved in 250 ml water ingested orally) at time point 0 minutes. On experimental days G-H, a subcutaneous injection of either GIP or GLP-2 at time point 0 minutes is performed (positive control) during saline infusion and oral water ingestion. MRI measurements are repeatedly performed and blood samples are drawn to be analysed for endocrine responses from the intestines, pancreas, and bones. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05391581
Study type Interventional
Source University of Copenhagen
Contact
Status Completed
Phase N/A
Start date January 13, 2022
Completion date February 7, 2023
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