Effects of Metformin on Hepatic FFA Metabolism

Status Completed

Clinical Trial Summary

Background: Metformin treatment has beneficial effects on both glucose and lipid metabolism. Whereas there is general agreement that the blood glucose lowering effect of metformin results from inhibition of hepatic gluconeogenesis, it is less clear exactly how the drug lowers blood triglyceride concentration. There are indications that it enhances hepatic free fatty acid (FFA) oxidation thus diminishing substrate for reesterification and resecretion as very-low-density-lipoprotein (VLDL) triglycerides (TG). However, the liver is not easily accessible for sampling in humans and data on the clinical effects of metformin in the liver are therefore lacking. This may change due to the increasing use of the positron emission tomography (PET) technique. Using PET isotopes (11C or 18F) coupled to either palmitate or a fatty acid analogue, it is possible to non-invasively measure hepatic fatty acid handling.

Aim: To determine how 3 months metformin treatment (1000 mg twice daily) affects hepatic lipid and glucose metabolism in patients with newly diagnosed type 2 diabetes.

Design: Randomized, placebo controlled, double-blind parallel study with patients receiving either metformin or placebo. A control group of BMI and age-matched non-diabetic individuals will receive metformin for 3 months.

Hypothesis: Metformin lowers VLDL-TG secretion and circulating triglycerides by increasing hepatic fatty acid oxidation

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01729156
Study type	Interventional
Source	University of Aarhus
Contact
Status	Completed
Phase	Phase 4
Start date	January 2013
Completion date	May 5, 2017

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