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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

Vitamin D Level and Risk of Infections in Cirrhotic Patients

It is widely known that vitamin D has an important role in calcium metabolism and bone mineralization. Its deficiency is related to rickets and osteomalacia in children and adults respectively. Vitamin D had a role in innate and acquired immunity. It increases innate defense and modulates lymphocytes activation, leading to ...

Phase N/A

Vitamin and Mineral Supplementation Improves Micronutrient Status in Older Adults

The older adults are prone to inadequate nutrition. The prevalence of malnutrition is 5-10% among independently living older individuals, 30-60% among institutionalized patients, and 35-65% among hospitalized geriatric patients. There are many factors that make the elderly more susceptible to nutrition inadequacy. Aging itself is associated with a decline in ...

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

The Effects of Biscuits Containing Red Palm Oil on School Children With Vitamin A Deficiency in West and East Malaysia

Deficiency of vitamin A or retinol is a public health problem and listed as the most widespread nutritional deficiency worldwide (Sommer, 1995). According to the World Health Organization (WHO), about 190 million preschool children in underdeveloped countries especially in the region of Africa and South-East Asia are vitamin A deficient ...

Phase N/A

Cholecalciferol Supplementation in Restless Leg Syndrome in Patients With Chronic Kidney Disease

Restless leg syndrome (RLS) is sleep disorder characterized by an unpleasant feeling in the lower limbs, which can be accompanied by paresthesias, and need for urgent movement of the legs. Its diagnosis is clinical, based on an International Committee of the Study of RLS (International Restless Legs Syndrome Study) questionnaire. ...


Vitamin D Supplementation and Tibia Fracture. Does it Improve Healing Rate?

This study evaluates the effect of Vitamin D3 supplementation in healing rate of tibia fractures in adult patients with low vitamin D. Half of participants will receive Vitamin D3 supplementation while the other will receive placebo.

Phase N/A

Can Correction of Low Vitamin D Status in Infancy Program for a Leaner Body Composition?

Neonates from hospitals in the greater Montreal area will be studied. Neonates will be screened for low vitamin D status within 48 h of birth for 25(OH)D to enable rapid entry into study groups. Those with serum 25(OH)D <50 nmol/L will be randomized to 400 or 1000 IU/d until 1 ...

Phase N/A

Is There Association Between Vitamin D Levels And Insulin Resistance In Polycystic Ovary Syndrome?

Polycystic ovary syndrome (PCOS) is the most common gynecological endocrinopathy among women of reproductive age. The prevalence of PCOS among such women is estimated to be 6.4% to 6.8% worldwide. PCOS is a heterogeneous androgen excess disorder with different degrees of reproductive and metabolic dysfunctions. There are many considerations to ...

Phase N/A

Study of the Efficacy and Safety of Cholecalciferol Supplementation on the Activity of Rheumatoid Arthritis in Patients With Vitamin D Deficiency

This is an interventional, multicenter (13 rheumatology units) randomized, double-blinded study against placebo, lasting 24 weeks. The main objective is to demonstrate that treatment with cholecalciferol improves functional disability (HAQ) in patients with RA not in remission (DAS28 VS> 2.6 and the investigator does not think to change the treatment ...


The Effect of Vitamin D Administration to Premature Infants on Vitamin D Status and Respiratory Morbidity

The rational of this trial is that a daily supplementation of a double dose of Vitamin D (800 IU instead of 400 IU) to late premature infants during the first year of life will result in elevated Vitamin D serum levels and in an improvement in respiratory morbidity. This randomized ...

Phase N/A