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405 studies found for:    Open Studies | "Vitamin D"
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Rank Status Study
1 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
2 Unknown  Vitamin D Replacement After Kidney Transplant
Conditions: Kidney Transplantation;   Vitamin D Deficiency
Intervention: Dietary Supplement: vitamin D3
3 Recruiting Vitamin D Supplementations and Postoperative Pain
Condition: Postoperative Pain
Interventions: Drug: Vitamin D;   Drug: Placebo
4 Not yet recruiting Effect of Supplementary Vitamin D in Patients With Diabetes Mellitus and Pulmonary Tuberculosis
Conditions: Type 2 Diabetes Mellitus;   Pulmonary Tuberculosis
Interventions: Dietary Supplement: Vitamin D;   Dietary Supplement: Calcium;   Dietary Supplement: Placebo Vit D;   Dietary Supplement: Placebo Calcium
5 Recruiting Nutritional Requirements for Vitamin D in Pregnant Women
Condition: Vitamin D Deficiency
Interventions: Dietary Supplement: 10 mcg Vitamin D3;   Dietary Supplement: 20 mcg Vitamin D3;   Dietary Supplement: Placebo
6 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)
7 Unknown  Vitamin D Status in Relation to Insulin Sensitivity Among Saudi Women With Polycystic Ovary Syndrome
Condition: Polycystic Ovary Syndrome
Interventions: Dietary Supplement: Vitamin D3 pills;   Other: Placebo pills
8 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
9 Unknown  Impact of Vitamin D on Diabetic Kidney Disease in African Americans
Condition: Diabetic Kidney Disease
Intervention: Drug: Vitamin D3
10 Recruiting Vitamin D, Insulin Resistance, and Cardiovascular Disease
Conditions: Vitamin D Deficiency;   Insulin Resistance;   Type 2 Diabetes Mellitus;   Cardiovascular Disease;   Hypertension
Interventions: Drug: Vitamin D3;   Drug: Placebo
11 Recruiting Follow-up Study With Clinical Vitamin D Supplementation Trial on Patients With Depression (DepFuD)
Conditions: Depression;   Depressive Disorder
Interventions: Dietary Supplement: Vitamin D 10 micrograms;   Dietary Supplement: Vitamin D 100 micrograms
12 Not yet recruiting Supplementation of Vitamin D in Patients With Type 2 Diabetes and Hypertension
Condition: Hypertension
Interventions: Dietary Supplement: supplementation of 100.000 IU of vitamin D3;   Dietary Supplement: placebo pill
13 Recruiting Vitamin D Supplementation in Older Adults With Urinary Incontinence
Conditions: Urinary Incontinence;   Vitamin D Deficiency
Interventions: Dietary Supplement: Vitamin D;   Other: Placebo
14 Unknown  The Beneficial Effect of Vitamin D Supplement to Peg Interferon Alpha 2a or to Telbivudine Monotherapy in Patients With Chronic Hepatitis B Virus (HBV) Infection
Condition: Hepatitis B Virus
Interventions: Drug: Peginterferon + Vitamin D;   Drug: Peginterferon;   Drug: Sebivo;   Drug: entecavir+ vitamin d
15 Recruiting Calcium and High-dose Vitamin D Supplementation on Bone Mineral Density Among HIV-infected Children and Adolescents
Conditions: Adverse Bone Health;   HIV Infection
Interventions: Dietary Supplement: High dose vitamin D and calcium;   Dietary Supplement: Normal dose vitamin D and calcium
16 Recruiting Can Vitamin D Supplementation in Infants Prevent Food Allergy in the First Year of Life? The VITALITY Trial
Condition: Food Allergy
Interventions: Drug: Vitamin D;   Drug: placebo
17 Recruiting Fracture Healing Assessed by HR-pQCT After Administration of Calcium and Vitamin D
Condition: Bone Fracture
Interventions: Dietary Supplement: Calcium;   Dietary Supplement: Calcium + low dose vitamin D;   Dietary Supplement: Calcium + high dose vitamin D
18 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
19 Unknown  Vitamin D Supplementation in Chronic Rhinosinusitis With Nasal Polyps
Condition: Chronic Sinusitis
Intervention: Biological: Vitamin D
20 Unknown  Effect of Vitamin D on Retinal Changes in Patient With Optic Neuritis by Optic Coherence Tomography
Condition: Optic Neuritis
Interventions: Drug: Vitamin D;   Drug: Vitamin D withheld

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Indicates status has not been verified in more than two years