Effects of Monounsaturated Fatty Acids on Intestinal Lipid Metabolism in

Status Active, not recruiting

Clinical Trial Summary

The overaccumulation of apolipoprotein (apo)B-48-containing lipoproteins of intestinal origin observed in patients with insulin-resistance is now thought to be attributable to both elevated intestinal production and reduced clearance of these lipoproteins. Substantial evidence exists indicating that elevated plasma levels of these lipoproteins are associated with increased cardiovascular disease (CVD) risk. Therefore, reduction of atherogenic plasma triglyceride-rich lipoproteins à (TRL) levels of intestinal origin appears to be crucial to improve CVD risk associated with insulin-resistance. In this regard, there is some evidence that the clinical recommendation to replace dietary saturated fatty acids (SFAs) by monounsaturated fatty acids (MUFAs) reduces CVD risk in the general population. Although the beneficial impact of PUFAs on CVD risk has been related primarily to favorable changes in plasma LDL-cholesterol levels, recent data suggest that chronic MUFA consumption may also exert beneficial effects on CVD risk by reducing postprandial lipemia. The impact of substituting SFAs by MUFAs on postprandial lipid response may be of even greater significance in dyslipidemic patients with insulin-resistance among whom intestinal TRLs represent a large proportion of the atherogenic lipoproteins. The general objective of the proposed research is to investigate how dietary MUFAs in place of SFAs modify intestinal lipoprotein metabolism in men and women with dyslipidemia associated with insulin-resistance. The investigators hypothesize that the intestinal secretion of apoB-48-containing lipoproteins will be lower following a diet rich in MUFAs than after consuming a diet rich in SFAs. The investigators also hypothesize that substitution of SFAs by MUFAs will be associated with significant alterations in expression of key genes and proteins involved in intestinal lipoprotein metabolism.

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Metabolic Syndrome

Clinical Trial Details

NCT number	NCT03872349
Study type	Interventional
Source	Laval University
Contact
Status	Active, not recruiting
Phase	N/A
Start date	February 9, 2020
Completion date	February 19, 2030

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Effects of Monounsaturated Fatty Acids on Intestinal Lipid Metabolism in Insulin Resistant Subjects (MUFA )

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms