432 studies found for:    Open Studies | "Vitamin D"
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Rank Status Study
21 Recruiting The Immune and Clinical Impacts of Vitamin D in Patients With Chronic Musculo-skeletal Pain
Conditions: Vitamin D Deficiency;   Chronic Pain Syndrome;   Inflammatory Response
Intervention: Drug: vitamin D
22 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
23 Recruiting Bioavailability of Vitamin D in Children and Adolescents With Crohn's Disease
Condition: Crohn's Disease
Interventions: Drug: Vitamin D3 3000 UI daily;   Drug: Vitamin D3 4000 UI daily
24 Unknown  Impact of Vitamin D on Diabetic Kidney Disease in African Americans
Condition: Diabetic Kidney Disease
Intervention: Drug: Vitamin D3
25 Recruiting Vitamin D Supplementation in Older Adults With Urinary Incontinence
Conditions: Urinary Incontinence;   Vitamin D Deficiency
Interventions: Dietary Supplement: Vitamin D;   Other: Placebo
26 Recruiting Study of Vitamin D in the Severely Mentally Ill
Conditions: Schizophrenia;   Schizoaffective Disorder
Intervention: Dietary Supplement: Vitamin D3
27 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
28 Recruiting Vitamin D Supplements for HIV-positive Patients on cART
Condition: HIV-associated Co-morbidities
Interventions: Dietary Supplement: conventional vitamin D treatment;   Drug: tiered/titrated vitamin D dosing
29 Unknown  Effect of Vitamin D on Metabolic Parameters in Patients With the Metabolic Syndrome
Condition: Metabolic Syndrome
Interventions: Drug: Vitamin D3;   Behavioral: Lifestyle advice
30 Not yet 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
31 Unknown  Vitamin D Levels in Children With IBD
Conditions: Inflammatory Bowel Disease;   Crohn's Disease;   Ulcerative Colitis
Interventions: Dietary Supplement: ergocalciferol;   Dietary Supplement: Cholecalciferol
32 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
33 Not yet recruiting Vitamin D Supplementation in Chronic Rhinosinusitis With Nasal Polyps
Condition: Chronic Sinusitis
Intervention: Biological: Vitamin D
34 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
35 Recruiting Study to Identify Transcriptional Targets of Vitamin D in Patients With Stage I-III Colon Cancer or Resectable Colon Cancer Liver Metastases Receiving Preoperative Vitamin D Supplementation.
Conditions: Stage, Colon Cancer;   Stage I-III Colon Cancer;   Stage IV Colon Cancer With Resectable Liver Metastases
Intervention: Drug: Vitamin D3
36 Recruiting Effects of Vitamin D on Inflammation in Liver Disease
Conditions: Hepatitis C Infection;   Vitamin D Deficiency
Interventions: Drug: Vitamin D;   Drug: Placebo
37 Recruiting Effects of Vitamin D in Patients With Breast Cancer
Condition: Breast Cancer
Interventions: Drug: Vitamin D3;   Other: Placebo
38 Unknown  Effects of Vitamin D and Calcium Supplementation on Inflammatory Biomarkers and Adypocytokines in Diabetic Patients
Condition: Nutritional and Metabolic Disease
Interventions: Dietary Supplement: vitamin D3 supplement;   Dietary Supplement: calcium supplement;   Dietary Supplement: vitamin D3 and calcium supplement;   Dietary Supplement: placebo
39 Recruiting Vitamin D Intervention in Infants
Condition: Vitamin D Status
Interventions: Dietary Supplement: Vitamin D at 30 ug/day;   Dietary Supplement: Vitamin D at 10 ug/day
40 Recruiting Anti-proliferative Effects of Vitamin D and Melatonin in Breast Cancer
Condition: Early Stage Breast Cancer
Interventions: Drug: Melatonin;   Drug: Vitamin D;   Drug: Placebo (melatonin);   Drug: Placebo (vitamin D)

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Indicates status has not been verified in more than two years