Beta-carotene Absorption and Bioconversion to Vitamin A From Biofortified Cassava Gari

Completed · Not applicable

Conditions studied: Vitamin A Deficiency

In brief

The goal of the research study is to determine the absorption, metabolism, and bioconversion of carotenoids such as beta-carotene to vitamin A from gari made with biofortified cassava compared to a mixture of red palm oil and gari made from typical white cassava.

Key facts

Study ID

NCT02210507

Run by

USDA, Western Human Nutrition Research Center

People needed

10

Starts

2014-07-01

Expected to finish

2014-12-01

Last updated by the study team

2015-01-12

Who can join

Age: 18 and older, up to 45. Sex: female. Healthy volunteers: accepted.

You may qualify if…

• healthy
• non-pregnant, non-lactating
• premenopausal women
• non-smoking
• body mass index between 18 and 35
• total cholesterol concentrations between 90 and 225 mg/dL
• blood pressure under 140/90 mm Hg

You may not qualify if…

• anemia, Hemoglobin less than 11.5 g/dL
• medications such as gemfibrozil, niacin, lovastatin, simvastatin, ezetimibe)
• medications that affect retinoid or carotenoid metabolism (Accutane)
• medications that impair fat absorption (Xenical, orlistat)
• dietary supplements containing vitamin A

Where it is running

• USDA, ARS, Western Human Nutrition Research Center — Davis, California, United States

Full record on ClinicalTrials.gov

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