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CLA Metabolism and Effects on Human Health

Inflammation Clinical Trial

Official title:
Conjugated Linoleic Acid (CLA) Depletion-repletion: Metabolism and Bioactivity in Humans

Clinical Trial Summary

The purpose of the study is to investigate the effects of Conjugated Linoleic Acid (CLA) from dairy products on fatty acid metabolism and human health. A CLA depletion-repletion study was carried out with healthy volunteers. CLA depletion was achieved through an eight-week dairy fat restriction, followed by an eight-week repletion period consisting of intake of a butter naturally enriched with CLA. Changes in body composition, fasting glucose and insulin, inflammatory mediators, cell membranes' stability, plasma lipid levels and fatty acid composition of lipid classes are evaluated after depletion and repletion phases.

Clinical Trial Description

After collecting baseline blood samples, CLA-depletion phase started with dietary orientation, by a registered dietitian, to the study subjects (n=29) to exclude from their diets any type of dairy fat for the following 8 weeks. Blood samples were taken at the end of CLA-depletion, and CLA-repletion phase was initiated by dietitians' instructions: volunteers returned to their regular diets, and additionally consumed a CLA-enriched butter for another 8-week period. Blood samples were taken at the end of the CLA-repletion phase. The effects of CLA on the following parameters were evaluated: inflammatory mediators; fatty acid composition of erythrocytes, plasma phospholipids and cholesterol esters; body composition; clinical factors associated with the metabolic syndrome and indicators of cell membranes' stability. ;

Study Design

Endpoint Classification: Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Basic Science

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01841645
Study type Interventional
Source Universidade Federal do Rio de Janeiro
Contact
Status Completed
Phase N/A
Start date July 2009
Completion date October 2010
View Details
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