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Vitamin Deficiency Clinical Trials

A listing of Vitamin Deficiency medical research trials actively recruiting patient volunteers. Search for closest city to find more detailed information on a research study in your area.


Found (74) clinical trials

Correlation Between Maternal Vitamin D Level And Preterm Birth

Assessment of correlation between vitamin D level and prevalence of preterm births remains limited. The exact role of vitamin D in preterm birth has not yet been clearly defined ,where some studies showed vitamin D deficiency increased the risk of preterm birth while other studies found no correlation. In this ...

Phase N/A

Effects of Vitamin D3 Versus 25OHD3 on Mineral Metabolism and Immune Function

The purpose of this study is to compare the effects of two different forms of vitamin D supplements (vitamin D3 and 25-hyrdroxyvitamin D3 [25(OH)D3]) on vitamin D levels in the blood, and on markers of skeletal and immune health. This study is designed as a pilot study. A multi-ethnic cohort ...

Phase N/A

25-Hydroxyvitamin D Pharmacokinetic Study

Patients with a history of intestinal malabsorption (n=10) and healthy volunteers (n=10); (of both sexes and all ethnicities) will be recruited in this randomized double-blind crossover study. All subjects will be prescreened for 25(OH)D levels to include subjects with 25(OH)D<30 ng/ml. The subjects will be randomized to receive a single ...

Phase N/A

Effect of High-Dose Vitamin D3 in Smokers and Non-Smokers With and Without HIV

Tobacco smoke suppresses the lung's ability to fight infection. Smoking is three times more prevalent in the HIV+ compared to HIV- patients. Viral load was found to be significantly increased in HIV+ smokers compared to HIV+ non-smokers, suggesting that smoking enhances HIV-1 viral replication in macrophages, which contributes to disease ...