Effects of N-3 Polyunsaturated Fatty Acids On Chylomicron Secretion And

Status Completed

Clinical Trial Summary

The overaccumulation of apoB-48-containing lipoproteins of intestinal origin seen in patients with type 2 diabetes are now thought to be attributable to elevated intestinal production and reduced clearance. Substantial evidence exists indicating that elevated plasma levels of these lipoproteins are associated with increased cardiovascular disease risk. Therefore, reduction of atherogenic plasma triglyceride-rich lipoproteins (TRL) levels of intestinal origin appears to be crucial to improve CVD risk associated with type 2 diabetes. In this regard, n-3 PUFAs have been shown to exert beneficial effects on diabetic dyslipidemia. However, the investigators understanding of the physiological changes that occur with n-3 PUFA supplementation is suboptimal, thereby limiting the investigators appreciation of its impact on CVD risk associated with type 2 diabetes. The effects of n-3 PUFAs on the intestinal production of TRLs and the expression of genes regulating intestinal lipid absorption and chylomicron synthesis have not yet been examined in humans. The general objective of the proposed research is to investigate the mechanisms by which n-3 PUFAs beneficially modify intestinal lipoprotein metabolism in patients with type 2 diabetes. The investigators hypothesize that n-3 PUFA supplementation in men with type 2 diabetes will:

- reduce TRL apoB-48 production rate and increase fractional catabolic rate of these lipoproteins,

- decrease the expression of genes that regulate intestinal lipid absorption and synthesis as well as synthesis of apoB-48-containing lipoproteins,

- decrease both plasma surrogates of cholesterol absorption and cholesterol synthesis.

Clinical Trial Description

n/a

Study Design

Allocation: Randomized, Endpoint Classification: Pharmacodynamics Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Prevention

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01449773
Study type	Interventional
Source	Laval University
Contact
Status	Completed
Phase	N/A
Start date	April 2008
Completion date	January 2013

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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 N-3 Polyunsaturated Fatty Acids On Chylomicron Secretion And Expression Of Genes That Regulate Intestinal Lipid Metabolism In Men With Type 2 Diabetes — DBB48

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms