Trials / Completed
CompletedNCT04123210
Estimating Average Vitamin A Requirements in Indonesian and American Women
Development of 13C-Retinol Isotope Dilution Techniques
- Status
- Completed
- Phase
- N/A
- Study type
- Interventional
- Enrollment
- 70 (actual)
- Sponsor
- University of Wisconsin, Madison · Academic / Other
- Sex
- Female
- Age
- 19 Years – 30 Years
- Healthy volunteers
- Accepted
Summary
Women of reproductive age had their vitamin A stores estimated by retinol isotope dilution and then were given vitamin A supplements near the US vitamin A RDA or placebo for 42(USA) or 60 (Indonesia) days, after which retinol isotope dilution was repeated and the change in vitamin A stores was determined in each group to estimate how much vitamin A is needed to maintain nutrient balance in these women.
Conditions
Interventions
| Type | Name | Description |
|---|---|---|
| DIETARY_SUPPLEMENT | Vitamin A supplement | |
| DIETARY_SUPPLEMENT | Placebo |
Timeline
- Start date
- 2008-03-17
- Primary completion
- 2009-05-05
- Completion
- 2009-05-05
- First posted
- 2019-10-10
- Last updated
- 2019-10-31
Locations
2 sites across 2 countries: United States, Indonesia
Source: ClinicalTrials.gov record NCT04123210. Inclusion in this directory is not an endorsement.