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A Study of Different Types of Fatty Acid on Risk Factors for Heart Disease — eFAIRE  

Cardiovascular Risk Factors Clinical Trial

Official title:
Acute Elevation of Non-esterified Fatty Acids on Endothelial Function and Insulin Sensitivity: A Comparison of Saturated and Long Chain n-3 Polyunsaturated Fatty Acids During the Postprandial Phase

Clinical Trial Summary

Experimental elevation of non-esterified fatty acids (NEFA) impairs endothelial function and insulin sensitivity but the impact of NEFA composition is unknown.

The objective was to test the effect of acute elevation of NEFA enriched with either saturated fatty acids (SFA) or SFA with long-chain n-3 polyunsaturated fatty acids (LC n-3 PUFA) on postprandial vascular function measured via flow-mediated dilatation (FMD), laser Doppler iontophoresis (LDI) and digital volume pulse (DVP), followed by a hyperinsulinaemic-euglycaemic clamp as a measure of whole body insulin sensitivity.

Clinical Trial Description

To investigate potential diet-gene interactions, potential subjects (n=370) were prospectively genotyped for the eNOS Glu298Asp polymorphism, of which 35 were Asp298 and 150 were Glu298 homozygotes. Three subjects in the Asp298 group were unable to participate, two were unsuitable according to selection criteria and one subject subsequently withdrew from the study. Subjects homozygous for Asp298 (n=29) and Glu298 (n=30) were therefore selected, balanced for gender, age and BMI. ;

Study Design

Allocation: Randomized, Intervention Model: Crossover Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Basic Science

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01351324
Study type Interventional
Source University of Reading
Contact
Status Completed
Phase N/A
Start date March 2009
Completion date May 2010
View Details
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