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Effects of Calcium and Phytate on Zinc Absorption

Information source: USDA Grand Forks Human Nutrition Research Center
ClinicalTrials.gov processed this data on August 20, 2015
Link to the current ClinicalTrials.gov record.

Condition(s) targeted: Dietary Zinc Absorption

Intervention: Moderate Calcium, Low phytate Diet (Dietary Supplement); Moderate Calcium, High Phytate Diet (Dietary Supplement); High Calcium, Low Phytate Diet (Dietary Supplement); High Calcium, High Phytate Diet (Dietary Supplement)

Phase: N/A

Status: Completed

Sponsored by: USDA Beltsville Human Nutrition Research Center

Official(s) and/or principal investigator(s):
Janet R Hunt, Principal Investigator, Affiliation: USDA Grand Forks Human Nutrition Research Center

Summary

This study is determine the effects of dietary calcium and phytate on zinc absorption.

Clinical Details

Official title: Effects of Calcium and Phytate on Zinc Absorption

Study design: Allocation: Randomized, Endpoint Classification: Bio-availability Study, Intervention Model: Factorial Assignment, Masking: Open Label, Primary Purpose: Prevention

Primary outcome: Zinc Absorption

Detailed description: Zinc absorption is tested from 2 days of consuming each of four diets with zinc-65 isotope, followed by retention monitoring in a whole body scintillation counter for 4 weeks. All four 4 experimental diets are tested with each subject, in randomized order, for a total of 16 weeks.

Eligibility

Minimum age: 21 Years. Maximum age: 50 Years. Gender(s): Female.

Criteria:

Inclusion Criteria:

- Average weight for height

Exclusion Criteria:

- Medications other than birth control pills or hormone replacement therapy,

- Pregnancy within last 6 months

Locations and Contacts

United States Department of Agriculture Grand Forks Human Nutrition Research Center, Grand Forks, North Dakota 58202, United States
Additional Information

Starting date: November 2005
Last updated: May 31, 2011

Page last updated: August 20, 2015

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