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65 studies found for:    oh | Open Studies | "Vitamin D"
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Rank Status Study
1 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
2 Recruiting Change in Free 25(OH)D After High Dose in Vitamin D Deficient Postmenopausal Women
Conditions: Vitamin D Deficiency;   Osteoporosis
Intervention: Dietary Supplement: Cholecalciferol (Vitamin D3)
3 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
4 Recruiting Personalized Vitamin D Supplementation in European and African Americans
Condition: Vitamin D Deficiency
Intervention: Dietary Supplement: Vitamin D
5 Recruiting A New Paradigm for Vitamin D Sufficiency
Condition: New Biomarkers for Measuring Vitamin D Level
Interventions: Dietary Supplement: Vitamin D Supplementation;   Other: Placebo;   Dietary Supplement: Calcium
6 Not yet recruiting Vitamin D and Bone Homeostasis in Ortho Polytrauma Patients
Conditions: Vitamin D Deficiency;   Polytrauma;   Orthopedic Disorder
Interventions: Drug: Ergocalciferol 8000 IU/ML Oral Liquid [DRISDOL];   Drug: Propylene Glycol
7 Recruiting Determination of Vitamin D Dose to Maintain Sufficiency Amongst Indian and Malay Women in the Tropics
Condition: Vitamin D Deficiency
Intervention: Drug: Vitamin D3
8 Recruiting Vitamin D Supplementation in Warfighters
Condition: Vitamin D Deficiency Disease
Intervention: Dietary Supplement: Vitamin D3
9 Recruiting Vitamin D and Stroke
Condition: Stroke
Intervention: Dietary Supplement: Vit D
10 Not yet recruiting A Trial Evaluating Vitamin D Normalization on Major Adverse Cardiovascular-Related Events Among Myocardial Infarction Patients
Conditions: Death;   Myocardial Infarction;   Cerebral Vascular Accident;   Heart Failure Hospitalization
Intervention: Biological: Vitamin D3
11 Recruiting Optimizing Vitamin D Status in Children With Wheeze / Asthma (OPTIVIT)
Conditions: Asthmatic Crisis;   Wheezing
Intervention: Dietary Supplement: Fultium-D3 drops (Internis)
12 Recruiting Vitamin D Levels Following Topical Application of Vitamin D Ointment
Condition: Vitamin D Deficiency
Intervention: Drug: Vitamin D3
13 Recruiting A Pilot Study of Vitamin D in Boys With X-linked Adrenoleukodystrophy
Condition: X-linked Adrenoleukodystrophy
Intervention: Dietary Supplement: vitamin D3
14 Recruiting Vitamin D, Bones, Nutritional and Cardiovascular Status
Condition: Vitamin D
Intervention: Other: Exploration of Vitamin D roles
15 Recruiting Vitamin D, Leptin, Vitamin D Receptor Polymorphism, and Treatment-Related Morbidity in Ovarian Cancer
Condition: Ovarian Cancer
Intervention: Drug: Vitamin D3
16 Recruiting Vitamin D, Steroids, and Asthma in African American Youth
Conditions: Asthma;   Allergy
Intervention:
17 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
18 Recruiting An Evaluation of the Effect of Vitamin D Supplementation on the Cognitive Function of Older Subjects With Low Levels of This Vitamin
Condition: VITAMIN D DEFICIENCY
Intervention: Drug: Vitamin D
19 Recruiting Safety, Feasibility and Efficacy of Vitamin D Supplementation in Women With Metastatic Breast Cancer (SAFE-D)
Conditions: Adult Women;   Metastatic Breast Cancer;   Estrogen Receptor Positive
Intervention: Drug: Cholecalciferol
20 Recruiting Clearance of 25-hydroxyvitamin D in Chronic Kidney Disease
Condition: Chronic Kidney Disease
Intervention: Drug: D6-25-hydroxyvitamin D3

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Study has passed its completion date and status has not been verified in more than two years.