Effects of Vitamin D Supplementation During Pregnancy on Clinical Outcomes and Immune Function

Completed · Not applicable · Has a placebo group

Conditions studied: Vitamin D Deficiency

In brief

Researchers at the USDA Western Human Nutrition Research Center and clinicians at UC Davis Medical Center are currently conducting a study on the effects of vitamin D supplementation during pregnancy on maternal health and immune function. The investigators believe that vitamin D supplementation at levels greater than the current recommendation is beneficial for maternal health during pregnancy. In particular, there is evidence that vitamin D deficiency during pregnancy puts women at greater risk for diseases like pre-eclampsia, which may be due to an imbalance in immune function at the placenta. This randomized, double-blind study is designed to test this hypothesis. Pregnant women who participate in the study receive either 400 IU or 2,000 IU of vitamin D per day for the duration of their pregnancy. The investigators will collect blood at three time points during pregnancy (16-20 weeks, 26-28 weeks, 36 weeks gestation) for analysis of immune function and vitamin D status. The investigators are also collecting data on clinical parameters, such as blood pressure and glucose tolerance.

Key facts

Study ID
NCT01417351
Run by
USDA, Western Human Nutrition Research Center
People needed
60
Starts
2010-08-01
Expected to finish
2013-05-01
Last updated by the study team
2013-07-23

Who can join

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

You may qualify if…

You may not qualify if…

Where it is running

Full record on ClinicalTrials.gov

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