Try our beta test site
371 studies found for:    Open Studies | "Vitamins"
Show Display Options
Rank Status Study
21 Recruiting Vitamin D and Vascular Health in Children
Conditions: Obesity;   Vitamin D Deficiency
Intervention: Dietary Supplement: Vitamin D3
22 Recruiting Can Correction of Low Vitamin D Status in Infancy Program for a Leaner Body Composition?
Conditions: Healthy;   Vitamin D Deficiency
Interventions: Dietary Supplement: cholecalciferol;   Dietary Supplement: Reference 400
23 Recruiting Vitamin D Supplementation as Non-toxic Immunomodulation in Children With Crohn's Disease
Conditions: Crohn's Disease;   Vitamin D Deficiency
Intervention: Drug: Cholecalciferol
24 Not yet recruiting Vitamin D Substitution During Winter Time
Condition: Vitamin D Substitution
Intervention: Drug: Colecalciferol
25 Recruiting Impact of Vitamin D on 25-hydroxyvitamin D Levels and Physical Function
Conditions: Vitamin D Deficiency;   Sarcopenia
Interventions: Dietary Supplement: vitamin D3;   Other: Placebo
26 Recruiting Vitamin D Supplementation on Physical and Cognitive Function-Pilot Study
Conditions: Renal Dialysis;   Vitamin D Deficiency
Intervention: Dietary Supplement: Cholecalciferol (Vitamin D)
27 Recruiting Impact of Maternal Body Weight on Vitamin D Status During Pregnancy
Conditions: Obesity;   Vitamin D Deficiency
Interventions: Dietary Supplement: Pregnancy multi-vitamin (including 10μg vitamin D3);   Dietary Supplement: 10μg vitamin D3;   Dietary Supplement: 0μg vitamin D (placebo)
28 Recruiting Vitamin D, Bones, Nutritional and Cardiovascular Status
Condition: Vitamin D
Intervention: Other: Exploration of Vitamin D roles
29 Recruiting Acute Effect of Systemic Stress on Measured Blood Concentrations of 25 (OH) Vitamin D
Conditions: Cardiovascular Disease;   Vitamin D Deficiency
Interventions: Dietary Supplement: Vitamin D3;   Dietary Supplement: Placebo
30 Recruiting Is Vitamin D2 Treatment-associated Decrease in 25(OH)D3 Level a Reciprocal Phenomena?
Conditions: Vitamin D Deficiency;   25-Hydroxyvitamin D Concentration
Interventions: Drug: Vitamin D3;   Drug: Vitamin D2;   Drug: Placebo oral capsule
31 Not yet recruiting Blood Pressure in Blacks and Calcium (BBC) and Vitamin D Study
Conditions: Hypertension;   Vitamin D Deficiency
Intervention: Drug: Cholecalciferol
32 Not yet recruiting Efficacy of Vitamin A Fortified Rice in Lactating Thai Women
Condition: Vitamin A Status
Interventions: Other: Vitamin A fortified rice;   Other: Normal rice
33 Recruiting The Effects of Vitamin D Supplementation on Patients With Type 2 Diabetes and Vitamin D Deficiency
Conditions: Diabetes Mellitus;   Vitamin D Deficiency
Intervention: Dietary Supplement: vitamin D3
34 Not yet recruiting Vitamin D Supplementation and Neurocognition
Conditions: Vitamin D Deficiency;   Neurocognitive Dysfunction
Intervention: Drug: Vitamin D
35 Recruiting Vitamin A Status and Risk of Excessive Vitamin A Intake Among Urban Filipino Children
Condition: Vitamin A Status
Interventions: Other: High VA intake, recent VAS;   Other: High VA intake;   Other: Low/adequate VA intake
36 Not yet recruiting Does Vitamin D Alter Bone's Response to Vibration?
Conditions: Vitamin D Deficiency;   Osteoporosis
Intervention: Device: Mechanical Stimulation using whole body vibration
37 Recruiting Vitamin D Repletion and Maintenance in IBD: How Much and How Often
Conditions: Inflammatory Bowel Diseases;   Vitamin D Deficiency
Intervention: Dietary Supplement: Vitamin D (ergocalciferol and/ or cholecalciferol)
38 Recruiting The Impact of Severe Vitamin D Deficiency and Its Correction on Bone Mineral Density (BMD) in Postmenopausal Women
Condition: Vitamin D Deficiency
Intervention: Drug: Vitamin D
39 Recruiting Treatment of Vitamin D Deficiency in Intestinal Rehabilitation Clinic Patients With a Portable Ultraviolet B Lamp
Conditions: Vitamin D Deficiency;   Short Bowel Syndrome
Intervention: Device: Ultraviolet B lamp
40 Recruiting Study of the Efficacy and Safety of Cholecalciferol Supplementation on the Activity of Rheumatoid Arthritis in Patients With Vitamin D Deficiency
Conditions: Rheumatoid Arthritis;   Vitamin D Deficiency
Intervention: Other: cholecalciferol versus placebo

First Page    Show previous page of results Previous Page (1-20) Studies Shown (21-40) Next Page (41-60) Show next page of results    Last Page
Study has passed its completion date and status has not been verified in more than two years.