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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 (82) clinical trials

Participation in this study will last approximately 6 months. Up to 260 women will participate in this study. There is a total of 4 visits. Participants will be selected by chance to take either a supplement of vitamin D or placebo (an inactive pill) every day during the study. If ...

Phase N/A

Effects of Vitamin D and Calcium Supplementation on Health and Well-being of Vitamin D Deficient UAE Citizens

The proposed study is a two by two factorial, randomized controlled intervention trial. Following informed written consent of eligible subject's blood and urine samples will be taken for measurements of vitamin D, markers of bone turnover and related biochemical variables. Patients who have evidence of vitamin D deficiency will then ...

Phase N/A

High-dose Vitamin D3 in Pancreas Cancer

Different studies have shown that a deficiency in vitamin D (20ng/mL) results in higher rates in morbidity and mortality rates in cancer patients. Clinical studies investigated and demonstrated altered vitamin d tissue in pancreatic cancer. But there is no prospective study evaluating the beneficiary effects of oral supplementation of vitamin ...


Thiamine Supplementation in Heart Failure: a Pilot Randomized Controlled Crossover Trial

Heart failure (HF) is a major cardiovascular disease with increasing prevalence. Thiamine deficiency is common in HF patients. Previous small studies have shown that thiamine supplementation can improve left ventricular systolic function in HF, but larger clinical studies are lacking. Given the ease of supplementation and the potential benefits in ...


Follicular Fluid Bioavailable Vitamin D and Embryo Quality Markers

To study the possible correlation between bioavailable vitamin D values in follicular fluid and embryo quality markers. To correlate bioavailable Vitamin D values in follicular fluid from large size follicles with embryo euploid status as our main objective. Secondly, looking at morphokinetics and mitochondrial content of these embryos. Taking into ...

Phase N/A

Alcohol: Thiamine and or Magnesium 1

This is a 3- arm randomised, open label, controlled study in a cohort of alcoholic patients admitted through A&E. Patients will be randomised to concurrent infusion of one of the following Arm 1: IV thiamine Arm 2: IV magnesium sulphate followed by delayed IV thiamine Arm 3: IV thiamine and ...


Vitamin D Supplementation in Kidney Disease

Background Objectives Methods Status

Phase N/A

Supplementation With Vitamin D to Patients With Heart Failure (D-Heart).

In a population with a systolic heart failure with an EF<40%, the levels of vitamin D will be analysed. In those with a 25-OH-vitamin D level <50nmol/L the patients that accept participation, will be randomised into active supplementation as described below, or placebo. In those with a 25-OH-vitamin D level ...

Phase N/A

Safety Efficacy and Feasibility of High-dose Cholecalciferol in Pediatric Patients With Cystic Fibrosis

Children and adults with Cystic Fibrosis (CF) are at risk of developing a vitamin D deficiency or insufficiency, defined as a 2,25-hydroxyvitamin D (25OHD) serum blood level <30 ng/dL. Greater than 85% of people with CF have pancreatic insufficiency, which contributes to poor absorption of fat soluble vitamins in addition ...


Myocardial Function and Vitamin D Supplementation in Diabetes.

Rationale Vitamin D exerts a principal role in homeostasis of calcium and phosphorus. However, recent studies indicated also its important function in cell differentiation, proliferation and growth as well as regulation of the immune system. Vitamin Deficiency is today recognized as a risk factor for cardiovascular disease (CVD). Diabetic patients ...

Phase N/A