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2918 studies found for:    vitamin D
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Rank Status Study
1 Completed Trial to Assess Vitamin D Requirements in Lactating Women
Conditions: Vitamin D Deficiency;   Vitamin D Insufficiency
Interventions: Drug: Cholecalciferol (Vitamin D3);   Drug: Calcium Carbonate;   Drug: Placebo - gelatin capsule
2 Not yet recruiting Effects of Vitamin D Fortification on Vitamin D Metabolite Profiles and Status in Vitamin D Insufficient Individuals
Condition: Vitamin D Deficiency
Interventions: Dietary Supplement: Rooibos Iced-Tea (Control);   Dietary Supplement: Rooibos Tea - Vitamin D3;   Dietary Supplement: Rooibos Tea- Vitamin D3 & Calcium
3 Active, not recruiting Vitamin D in Pediatric Asthma: a Randomized Controlled Open-label Pilot Trial
Conditions: Asthma;   Vitamin D Deficiency
Interventions: Drug: Vitamin D2 + vitamin D3;   Drug: Vitamin D3
4 Unknown  Vitamin D for Sickle Cell
Condition: Sickle Cell Disease
Interventions: Drug: Vitamin D;   Other: Placebo
5 Unknown  Vitamin D Replacement After Kidney Transplant
Conditions: Kidney Transplantation;   Vitamin D Deficiency
Intervention: Dietary Supplement: vitamin D3
6 Completed Vitamin D Deficiency in Adolescent Girls
Conditions: Healthy;   Vitamin D Deficiency
Interventions: Dietary Supplement: ergocalciferol;   Other: placebo pill
7 Recruiting Vitamin D Supplementation in Wheelchair Indoor Athletes
Conditions: Vitamin D Deficiency;   Spinal Cord Injury;   Drug Effects;   Dietary Supplements;   Physical Education and Training/Methods
Interventions: Dietary Supplement: Vitamin D;   Dietary Supplement: Placebo
8 Completed
Has Results
Efficacy of Vitamin D2 to Treat Chronic Kidney Disease Mineral and Bone Disorder
Condition: Vitamin D Deficiency
Interventions: Drug: Vitamin D2;   Drug: 1,25(OH)2 Vit D3
9 Completed
Has Results
Treatment of Vitamin D Insufficiency
Condition: Vitamin D Deficiency
Interventions: Dietary Supplement: High Dose Vitamin D3;   Dietary Supplement: Low Dose Vitamin D3;   Dietary Supplement: Placebo
10 Completed Inter-relationship Between Vitamin D Requirements and Calcium Intake in Older Adults
Condition: Vitamin D Deficiency
Interventions: Dietary Supplement: Vitamin D3 (20 micrograms/day);   Dietary Supplement: Placebo
11 Completed Alternative Treatments of Vitamin D Deficiency
Condition: Vitamin D Deficiency
Interventions: Radiation: Narrowband UVB;   Dietary Supplement: Vitamin D and calcium
12 Not yet recruiting Vitamin D to Improve Nutrition Prior to Bariatric Surgery and Investigate the Relationship With Negative Outcomes
Conditions: Vitamin D Deficiency;   Vitamin D Insufficiency
Interventions: Dietary Supplement: Vitamin D;   Other: Placebo;   Other: Standard of Care
13 Completed Vitamin D and Adipose Tissue Inflammation
Conditions: Vitamin D Deficiency;   Obesity;   Type 2 Diabetes Mellitus;   Intestinal Permeability
Intervention: Dietary Supplement: Vitamin D3
14 Terminated Vitamin D Supplementation and Metabolism in Vitamin D Deficient Elderly
Conditions: Vitamin D Deficiency;   Metabolic Syndrome
Interventions: Dietary Supplement: RDA Vitamin D3 only;   Dietary Supplement: Vitamin D2/3 Repletion only;   Other: Vitamin D2/3 Repletion + AEX;   Other: Vitamin D2/3 Repletion + RT
15 Unknown  Vitamin D and Its Affect on Growth Rates and Bone Mineral Density Until Age 5
Condition: Vitamin D Deficiency
Interventions: Drug: Vitamin D;   Other: Placebo (for Vitamin D)
16 Completed A Pilot Study of the Effect of Dietary Fat Type and Amount on Vitamin D3 Absorption
Condition: Vitamin D Deficiency
Intervention: Dietary Supplement: cholecalciferol
17 Completed
Has Results
Establishing the Vitamin D Requirements During Lactation
Condition: Vitamin D Deficiency
Interventions: Drug: 400 IU Vitamin D3 (cholecalciferol);   Drug: 2400 IU Vitamin D3 (cholecalciferol);   Drug: 6400 IU Vitamin D3 (cholecalciferol)
18 Completed Study of Vitamin D Supplementation on Improvement of Gums Health
Conditions: Gingival and Periodontal Disease;   Deficiency of Vitamin D3;   Pregnancy
Interventions: Drug: Vitamin D3;   Drug: Placebo
19 Completed Efficacy of Vitamin D Supplementation in Bariatric Surgery Patients
Conditions: Obesity;   Vitamin D Deficiency
Intervention: Dietary Supplement: Vitamin D3 and Calcium
20 Unknown  The Effect of Vitamin D Repletion in Patients With Hepatocellular Carcinoma on the Orthotopic Liver Transplant List
Conditions: Vitamin D Deficiency;   Hepatocellular Carcinoma
Interventions: Drug: Vitamin D3 4000 IU;   Drug: Vitamin D3 2000 IU

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Indicates status has not been verified in more than two years