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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 (64) clinical trials

Metformin Vitamin D and Depression in Polycystic Ovary Syndrome (PCOS) Trial

This is a single center, open-label, randomized, pilot clinical trial. Women with polycystic ovary syndrome and depressed mood, who are insulin resistant and vitamin D insufficient are eligible. Subjects are randomly assigned to one of two interventions: Vitamin D versus metformin. Subjects are followed with questionnaires and a final wrap-up ...


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 ...


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

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

Effect of Vitamin B on Plasma Neurofilament Light Protein (NFL) in HIV-infected Individuals With Increased Plasma Homocysteine

The purpose of this study is to investigate if B vitamin substitution have effect on NFL (neurofilament light protein) plasma levels and neurocognitive performance in HIV-infected individuals with increased plasma homocysteine


Effects of Vitamin D Supplementation During a Non-surgical Treatment of Generalized Chronic Periodontitis

It is likely that a chronically low intake of vitamin D and calcium may lead to a negative calcium balance, thus causing a secondary increase in calcium removal from bone, including the alveolar bone. Such bone loss may contribute to weakening of the tooth-attachment apparatus. In addition to its action ...

Phase N/A

Effect of Vitamin D Replacement on Bone Healing in Mini-dental Implants

This is a clinical research study, characterized by a randomized, double-blind, placebo-controlled clinical trial. Background: Vitamin D replacement could aid in the osseointegration of dental implants. Objective: to evaluate the effect of vitamin D replacement on osseointegration of dental implants in humans. Materials and methods: Twenty individuals with hypovitaminosis D ...


Vitamin Supplementation After Bariatric Surgery

The objectives in this study are to provide information on the efficacy of transdermal supplement patches on treating nutrient malabsorption and deficiency in post-op bariatric patients, and to determine short-term body composition, HbA1c and fasting plasma glucose outcomes for patients after bariatric surgery.

Phase N/A

Effect of Vitamin D Supplementation in Patients With Heart Failure and Vitamin D Deficiency

The protocol will be held in three different Hospitals from Monterrey. Those patients with heart failure will be invited to participate; serum vitamin D will be measured, and those with vitamin D deficiency will be participating, once they meet all the inclusion criteria and none of the exclusion criteria, and ...

Phase N/A

An Evaluation of the Effect of Vitamin D Supplementation on the Cognitive Function of Older Subjects With Low Levels of This Vitamin

Background: Ageing is associated with an increased risk of cognitive decline and depression. Vitamin D plays an important role in many of the symptoms and conditions related to advanced age, including impaired balance, falls and osteoporosis. Vitamin D also has a physiological effect on the function of the central nervous ...

Phase N/A