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Clinical Trial Summary

The study seeks to explore the cardiovascular effects of co-agonism at two peptide receptors, GLP-1 and glucagon. Glucagon, exenatide and 0.9% saline will be intravenously infused, both in isolation, and combination into healthy male participants. Overall, the aim of the study is to further our understanding on the role these endogenous substances play (both in isolation and combination) in haemodynamic regulation.


Clinical Trial Description

Co-agonist peptides (such as at the GLP-1:glucagon receptor) are currently in clinical development for type 2 diabetes with the dual intention of reducing body weight and controlling blood glucose. However, there is a lack of data on the effects that co-agonism has on haemodynamic regulation. Part A - Healthy male participants, by acting as their own control, will attend for two intravenous infusion visits (combination of 0.9% saline and glucagon). These will occur in a predefined but random order so that participants will be blinded to the infusion they are receiving. Each infusion visit will comprise of 15 minute baseline followed by a 120 minute infusion. Detailed non-invasive cardiovascular measurements (including peripheral/central blood pressure, heart rate, stroke volume, heart rate variability) and bloods (including insulin, glucose, GLP-1, glucagon) will be collected as part of the study. It was previously planned that GLP-1 7-36 amide 0.6pmol/kg/min and 1.2pmol/kg/min would be infused for Part A resulting in 5 infusions (rather than current 2 infusions). However due to supply/technical issues this was not possible and therefore exenatide (GLP-1 receptor agonist) shall be used in Part B. Part B - Healthy male participants, by acting as their own control, will attend for four intravenous infusion visits (combination of 0.9% saline, glucagon, exenatide). These will occur in a predefined but random order so that participants will be blinded to the infusion they are receiving. Each infusion visit will comprise of 15 minute baseline followed by a 60 minute infusion. Detailed non-invasive cardiovascular measurements (including peripheral/central blood pressure, heart rate, stroke volume, heart rate variability) and bloods (including insulin, glucose, GLP-1, glucagon) will be collected as part of the study. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03835013
Study type Interventional
Source Cambridge University Hospitals NHS Foundation Trust
Contact James Goodman, MD
Phone 01223 336806
Email jdhg3@medschl.cam.ac.uk
Status Recruiting
Phase N/A
Start date February 11, 2019
Completion date July 1, 2023

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