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Ruminant Trans Fats and the Risk of Cardiovascular Disease in Women — TRANSW  

Cardiovascular Disease Clinical Trial

Official title:
Ruminant Trans Fats and the Risk of Cardiovascular Disease in Women

Clinical Trial Summary

While the deleterious effects of trans fat from industrial sources (iTFA) on cardiovascular health are well established, the impact of TFA from ruminants (rTFA) on cardiovascular risk factors has not been as well characterized. We have previously shown in men that a very high dietary intakes of rTFA (>3.5% of energy) leads to unfavourable changes in lipid cardiovascular risk factors that are similar to those seen with iTFA. However, our data also indicated that achievable intakes of rTFA that remain well above the current human consumption (1.5% of energy intake) had neutral effects on plasma lipids and other cardiovascular disease (CVD) risk factors in men. Other studies have also suggested that the LDL and HDL response to very high dietary intakes of rTFA (>5% of energy) in women may be different than in men.

The general objective of the study is to investigate for the first time in a double-blind randomized controlled study the impact of high but yet achievable intake of ruminant trans fatty acids on plasma LDL-Cholesterol and other risk factors for CVD in healthy women.

Clinical Trial Description

Ruminant trans fatty acids (rTFA) will come from an experimental butter formulated from dairy fat obtained after having modified the regimen of lactating cows. All diets will be identical in terms of menus, calories and macronutrient composition with the exception of TFA levels. All foods will be provided to study participants. Based on a 2500 kcal/day regimen, an intake of 4.1g of rTFA will represent 37 kcal/day (1.5% of energy intake) while the intake of 0.7 g of rTFA in the control diet will represent 6 calories (0.3% of energy). The 2 experimental diets will be formulated so that the percentage of daily calories from fat (33%), carbohydrates (52%) and proteins (15%) will meet the dietary recommendations of the American Heart Association and the NCEP for primary prevention of CVD. ;

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy 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 NCT00930137
Study type Interventional
Source Laval University
Contact
Status Completed
Phase N/A
Start date September 2009
Completion date September 2011
View Details
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