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Evaluation of Zinc Intake on Essential Fatty Acid Metabolism

U

UCSF Benioff Children's Hospital Oakland

Status

Completed

Conditions

Inflammation
Dyslipidemias
Oxidative Stress

Treatments

Other: Diet Zinc

Study type

Interventional

Funder types

Other

Identifiers

Details and patient eligibility

About

The purpose of this study is to determine the effect of different dietary zinc intakes on fatty acid metabolism and other zinc biomarkers

Full description

This research is a dietary intervention study designed to evaluate the effect of progressive changes in Zn intake on fatty acid metabolism and to correlate those changes with biomarkers of dyslipidemia and insulin resistance. The main objective is to validate plasma fatty acid metabolism as a biomarker of inadequate Zn intake in subjects consuming identical diets with specific Zn content. The relative sensitivity of some fatty acid enzyme activities will also be compared to the DNA strand breaks. In addition to the primary objectives, correlations in enzyme activity with changes in fat metabolism, namely circulating triglyceride and cholesterol, will be determined. This will enable the determination of the effect of a low Zn intake on various aspects of dyslipidemia. Similar correlational analyses will be performed with clinical measures of inflammation and insulin resistance.

Enrollment

40 patients

Sex

Male

Ages

18 to 50 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • willing to limit food and beverage intake to that provided by the study
  • willing to discontinue consumption of alcoholic beverages during the study
  • willing to stop zinc supplementation 4 weeks prior to start of the study
  • has an operative understanding of English
  • no plans to move from the area during the study period

Exclusion criteria

  • Chronic or acute metabolic disease
  • smoker or user of nicotine products
  • history of alcohol abuse, or use of illicit drugs.
  • Is underweight or overweight, body mass index (BMI) < 18 or > 30 kg/m2.

Trial design

Primary purpose

Basic Science

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

40 participants in 1 patient group

diet zinc
Experimental group
Description:
3 dietary zinc levels: 6 mg/d, 11 mg/d and 25 mg supplemental zinc/d
Treatment:
Other: Diet Zinc

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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