Health Effects of CLA Versus Industrial Trans Fatty Acids

NCT ID: NCT00529828

Last Updated: 2008-01-16

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2007-09-30

Study Completion Date

2008-01-31

Brief Summary

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The knowledge of the health effects of CLA on the human body is limited. However, CLA supplements are sold over the counter in several countries and various techniques are used to increase the content of CLA in food.

The CLARINeT study will be performed to investigate the effect of CLA on blood lipoproteins, inflammatory markers, blood pressure and insulin status in human volunteers relative to industrial trans fatty acids and to oleic acid.

Detailed Description

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It will be a double-blind randomized multiple cross-over trial with 3 treatments:

* CLA;
* Industrial trans fatty acids (as a positive control);
* Oleic acid (Cis 18:1, the monounsaturated fatty acid in unhydrogenated vegetable oils) as a reference fat.

Each volunteer receives each diet for three weeks, in random order, for a total of 9 weeks. Three weeks is sufficient to reach new stable lipoprotein levels.

Conditions

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Healthy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

PREVENTION

Blinding Strategy

DOUBLE

Interventions

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Consumption of CLA enriched food

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* age 18-65 years
* healthy

Exclusion Criteria

* serum total cholesterol \>= 6,5 mmol/L
* serum triglycerides \> 2,3 mmol/L
* chronic diseases (such as diabetes, cardiovascular disease, kidney and liver dysfunction)
* use of cholesterol lowering medication
* use of blood pressure lowering medication
* high alcohol intake
* BMI \> 30
* pregnant and lactation women
* unusual dietary requirements
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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VU University of Amsterdam

OTHER

Sponsor Role collaborator

Wageningen University

OTHER

Sponsor Role lead

Principal Investigators

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Ingeborg Brouwer, Dr.

Role: PRINCIPAL_INVESTIGATOR

VU University of Amsterdam

Martijn Katan, Prof. Dr.

Role: PRINCIPAL_INVESTIGATOR

VU University of Amsterdam

Locations

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Wageningen University, Division of Human Nutrition

Wageningen, , Netherlands

Site Status

Countries

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Netherlands

References

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Smit LA, Katan MB, Wanders AJ, Basu S, Brouwer IA. A high intake of trans fatty acids has little effect on markers of inflammation and oxidative stress in humans. J Nutr. 2011 Sep;141(9):1673-8. doi: 10.3945/jn.110.134668. Epub 2011 Jul 13.

Reference Type DERIVED
PMID: 21753062 (View on PubMed)

Wanders AJ, Brouwer IA, Siebelink E, Katan MB. Effect of a high intake of conjugated linoleic acid on lipoprotein levels in healthy human subjects. PLoS One. 2010 Feb 3;5(2):e9000. doi: 10.1371/journal.pone.0009000.

Reference Type DERIVED
PMID: 20140250 (View on PubMed)

Other Identifiers

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NL15599.081.07

Identifier Type: -

Identifier Source: org_study_id

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