Status:
COMPLETED
Evaluation of Calcium, Vitamin D, Magnesium, and Zinc Absorption in Children
Lead Sponsor:
Baylor College of Medicine
Conditions:
Mineral Absorption
Eligibility:
All Genders
4-8 years
Phase:
NA
Brief Summary
The goal of our research is to provide data to enhance the development of nutritional guidelines, especially as related to mineral nutrition, in children. Using human experimentation, we are studying ...
Detailed Description
We plan to stratify subjects for randomization to either vitamin D supplements or placebo by serum 25-hydroxyvitamin D (25 OHD) into three groups: 0-20 ng/mL, 20-32 ng/mL, and \>32 ng/mL. There is no...
Eligibility Criteria
Inclusion
- Delivery at \> or = 35.0 weeks gestation with birth weight \> or = 2.5 kg
- BMI: 10th - 90th percentile for age and gender
- Ages 4.0 to 8.9 years
- Ethnic distribution of greater Houston area
- Usual calcium intake 600-1200 mg/d based on two 24-hour dietary recalls by phone
- Any regularly taken (daily) vitamins and minerals must be stopped at least 1 month before starting the study
Exclusion
- History of any chronic illness.
- Regularly taken (daily) medications (except seasonal allergies).
- Avoidance of dairy products or meat in the diet.
Key Trial Info
Start Date :
March 1 2009
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
October 1 2011
Estimated Enrollment :
60 Patients enrolled
Trial Details
Trial ID
NCT00868738
Start Date
March 1 2009
End Date
October 1 2011
Last Update
November 2 2011
Active Locations (1)
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1
Baylor College of Medicine / Texas Children's Hospital
Houston, Texas, United States, 77030