- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00014872
Genetic Epidemiology and Energy Metabolism in Black Girls
Study Overview
Status
Conditions
Detailed Description
BACKGROUND:
The high prevalence of obesity in African-American (AA) women is of public health importance since AA women suffer higher mortality from cardiovascular and renal diseases than do white women. The reason for their marked susceptibility to obesity remains poorly understood though it is now known that AA women manifest lower resting energy expenditure than white women.
DESIGN NARRATIVE:
This is a multi-pronged metabolic and genetic epidemiologic study to examine two candidate genes (UCP3 and b3AR) implicated in energy metabolism. A total of 600 African American girls, aged 12-15 years, will be screened using buccal swabs as a non-invasive method of obtaining DNA, to determine their UCP3 genotypes as well as b3AR genotypes. An estimated 211 girls will be recruited, selected based on their UCP3 genotype, for measurements of resting energy expenditure and body composition (using dual energy X-ray absorptiometry [DEXA]) in a controlled setting of the Clinical Research Center at the Cincinnati Children's Hospital. Variation in resting energy expenditure will be examined across the genotypes of UCP3 with a large sample. The 2x3 design will allow the investigators to examine whether the effects associated with UCP3 variation are due to the UCP3 locus alone or due to the additive effect or interaction between UCP3 and b3AR. The study will help to elucidate the relationship between variation in two important candidate genes for energy metabolism, UCP3 and b3AR, and inter-individual variation in the levels of resting energy expenditure in this very high risk (for obesity) population.
Study Type
Enrollment (Actual)
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
Study Plan
How is the study designed?
Design Details
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Time Frame |
---|---|
UCP3 genotype correlation to obesity
Time Frame: six months
|
six months
|
Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Sue Kimm, University of New Mexico
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 968
- R01HL066070 (U.S. NIH Grant/Contract)
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