Vitamin D: all 520 studies that test it
Page 5 of 6. Open to participants first (50), then studies with results posted, then the rest; newest registration first within each.
- Bone Metabolism After Laparoscopic Gastric Bypass Surgery (BABS)CompletedNCT01739855Phase 2
- Effect of Calcium Plus Vitamin D Supplementation on Adolescent Mother and Infant Bone HealthStatus unknownNCT01732328Not applicable
- Dose-related Effects of Vitamin D3 on Immune Responses in Patients With Clinically Isolated SyndromeCompletedNCT01728922Phase 1/2
- Effect of Vitamin D Supplementation on Glucose Tolerance in Subjects at Risk for Diabetes With Low Vitamin D.CompletedNCT01726777Phase 2
- Pharmacogenetics of Vitamin D Supplementation in TuberculosisCompletedNCT01722396Phase 3
- Vitamin D Treatment, Pharmacogenetics and Glucose MetabolismCompletedNCT01721915Phase 4
- A Study of Combined Deferasirox, Vitamin D and Azacytidine in High Risk MDSStatus unknownNCT01718366Phase 1/2
- Effect of High-Dose Vitamin D on Bone Density in Osteogenesis ImperfectaCompletedNCT01713231Phase 4
- Effect of Vitamin D in Diets of Preterm InfantsCompletedNCT01698840Not applicable
- The Effects of Vitamin D on Glycemic Control and Proinflammatory Markers in Adolescents With T1DMCompletedNCT01697228Not applicable
- The Impact of Severe Vitamin D Deficiency and Its Correction on Bone Mineral Density (BMD) in Postmenopausal WomenCompletedNCT01694355Not applicable
- Vitamin D and Physical Activity for Prevention of Sarcopenia in OsteoporosisCompletedNCT01666522Not applicable
- Vitamin D Supplementations as Adjunct to Anti-Tuberculosis Drugs in MongoliaCompletedNCT01657656Not applicable
- Vitamin D as an add-on Therapy With Pegylated Interferon and Ribavirin for Chronic Hepatitis cStatus unknownNCT01655966Phase 3
- The International Polycap Study 3 (TIPS-3)CompletedNCT01646437Phase 3
- Vitamin D Loading Dose in Advanced Lung CancerCompletedNCT01631526Not applicable
- Effect on Liver Histology of Vitamin D in Patients With Non-alcoholic SteatohepatitisStatus unknownNCT01623024Phase 3
- VitamIN D Treating patIents With Chronic heArT failurECompletedNCT01619891Phase 2
- Optimizing Vitamin D Status During Initial Military TrainingCompletedNCT01617109Not applicable
- Preoperative Vitamin D for Post-thyroidectomy HypocalcemiaWithdrawnNCT01609439Not applicable
- Role of Calcium And Vitamin D In Nutritional Rickets And It's ManagementCompletedNCT01578434Phase 4
- The Effect of Vitamin D Supplementation on Muscle Power in Elite CyclistCompletedNCT01518725Phase 4
- Alternative Treatments of Vitamin D DeficiencyCompletedNCT01512537Not applicable
- The Effect of Vitamin D Supplementation on Arterial Stiffness in Diabetic PatientsCompletedNCT01500005Not applicable
- Vitamin D Status, Disease Specific and Quality of Life Outcomes in Patients With Cutaneous LupusTerminatedNCT01498406Phase 2
- Muscle-Related Side Effects of Statins: Functional Impact, Mechanisms, and Potential Relief With Vitamin D SupplementationCompletedNCT01493648Not applicable
- A Prospective Trial on the Effects of Vitamin D Supplementation in Collegiate Swimmers and DiversCompletedNCT01488227Phase 3
- Vitamin D Augmentation of Tekturna (Aliskiren) in HypertensionStatus unknownNCT01472796Phase 4
- Effect of Vitamin D on Retinal Changes in Patient With Optic Neuritis by Optic Coherence TomographyStatus unknownNCT01465893Phase 2
- Vitamin and Asthma StudyCompletedNCT01447173Phase 4
- Add Vitamin D With Standard of Care for Chronic Hepatitis C PatientsCompletedNCT01439776Phase 4
- How Much Vitamin D is Required to be Protective Against Deficiency During the Winter Months?CompletedNCT01437696Phase 4
- Vitamin D and Its Affect on Growth Rates and Bone Mineral Density Until Age 5Status unknownNCT01419821Not applicable
- The Immune and Clinical Impacts of Vitamin D in Patients With Chronic Musculo-skeletal PainStatus unknownNCT01417923Phase 4
- Vitamin D and Chronic Obstructive Lung DiseaseWithdrawnNCT01416701Phase 4
- Alzheimer's Disease - Input of Vitamin D With mEmantine AssayCompletedNCT01409694Phase 3
- Vitamin D Replacement in Statin-Induced MyopathyWithdrawnNCT01400009Not applicable
- Rapid vs Maintenance Vitamin D Supplementation in Deficient Children With Asthma to Prevent Exacerbations.CompletedNCT01395589Phase 1
- Vitamin D and Glucose Metabolism in PediatricsStatus unknownNCT01386736Phase 4
- Effect of Vitamin D Supplementation on Hemoglobin A1cCompletedNCT01354262Phase 2
- Vitamin D and Mortality in Heart FailureCompletedNCT01326650Phase 4
- Human Intervention Study With Calcium Phosphate and Vitamin DCompletedNCT01297023Not applicable
- Vitamin D and the Health of Blood Vessels in Kidney DiseaseCompletedNCT01247311Not applicable
- Role of Vitamin D in Innate Immunity to TuberculosisCompletedNCT01244204Not applicable
- Vitamin D, Diet and Activity StudyCompletedNCT01240213Not applicable
- Evaluation of the Effectiveness of Vitamin D Supplementation to Pregnant Women and Their Infants in Pakistan.CompletedNCT01229189Not applicable
- Efficacy of Vitamin D on Top of Pegylated Interferon and Ribavirin in Patients With Chronic Viral Hepatitis C Null-RespondersCompletedNCT01226446Phase 2
- Systematic Treatment After Successful Surgical Treatment for Primary Hyperparathyroidism With Strontium RanelateCompletedNCT01222026Phase 4
- Vitamin D Supplementation and Upper Respiratory Tract Infections in Adolescent SwimmersCompletedNCT01215682Not applicable
- Vitamin D in Bronchiolitis Obliterans SyndromeCompletedNCT01212406Phase 4
- Use of Vitamin D3 for the Treatment of Steroid Resistant Asthmatic PatientsWithdrawnNCT01210521Phase 2
- Vitamin D in Pediatric Crohn's DiseaseCompletedNCT01187459Phase 4
- Vitamin D Supplementation in Chronic Rhinosinusitis With Nasal PolypsWithdrawnNCT01185808Not applicable
- Vitamin D for Improving Metabolic Control and Depressive SymptomsCompletedNCT01185574Not applicable
- Vitamin D and T-Regulatory Cells in Coronary Artery DiseaseTerminatedNCT01183962Not applicable
- Vitamin D Supplementation in CAD and Postchallenge HyperglycemiaTerminatedNCT01183442Phase 3
- Vitamin D Supplementation and Physical Function in Older AdultsCompletedNCT01179503Early Phase 1
- VItamin D Effect on Osteoarthritis StudyCompletedNCT01176344Phase 3
- Does 3 Months Therapy With Vitamin D + Peg + Ribavirin Improve Sustained Virologic Response (SVR) in Genotype 2, 3 Chronic Hepatitis C Patients?Status unknownNCT01151397Not applicable
- High Dose Vitamin D StudyCompletedNCT01150877Phase 1/2
- The Role of Vitamin D in Menopause: Relationship to Menopausal Symptoms in Body CompositionCompletedNCT01141972Phase 1
- Influence of Vitamin D on Inflammatory Bowel Disease RemissionStatus unknownNCT01121796Not applicable
- Vitamin D and Inflammatory Cytokine Levels After Acute Myocardial Infraction (MI)Status unknownNCT01115842Phase 4
- Vitamin D in Pregnancy and LactationCompletedNCT01112891Phase 4
- Calcium, Vitamin D and Metformin to Treat Insulin Resistance in Obese African American Adolescent FemalesWithdrawnNCT01107808Not applicable
- Influence of Vitamin D on Vascular Function in Adolescents and Young Adults With Type 1 DiabetesCompletedNCT01103817Phase 2
- Vitamin K2 and Vessel Calcification in Chronic Kidney Disease PatientsStatus unknownNCT01101698Phase 4
- Study to Investigate the Effects of Vitamin D Administration on Plasma Renin Activity in Patients With Stable Chronic Heart FailureCompletedNCT01092130Phase 2
- Correlation Between Vitamin D Status and Bone Mineral Density in Patients With HemophiliaCompletedNCT01090206Not applicable
- Role of Vitagliptin and Vitamin D in the Treatment of Non Alcoholic Fatty Liver Disease (NAFLD)Status unknownNCT01083992Not applicable
- Vitamin D Supplementation During Pregnancy and Bone Status in Children at Birth and at One Year of AgeStatus unknownNCT01060735Not applicable
- Using Ca-41 Methodology to Assess the Impact of Different Vitamin D Supplementation Levels on Postmenopausal Bone HealthCompletedNCT01053481Early Phase 1
- Effects of Vitamin D Dose and Genotype of the Binding Protein in Infants and ChildrenCompletedNCT01050387Not applicable
- Vitamin D Treatment to Patients Suffering From Chronic Pain and Vitamin D HypovitaminosisCompletedNCT01023490Not applicable
- Influence of Vitamin D Treatment on Multi-systemic Functions in Young Men With Vitamin D Deficiency Due to Work ConditionsCompletedNCT01016184Phase 4
- Vitamin D for Chronic SinusitisCompletedNCT01007799Not applicable
- Effect of Calcium Supplement Particle Size and Vitamin D Supplement on Calcium Retention in Adolescent GirlsCompletedNCT01005381Not applicable
- Study of Vitamin D Supplementation to Male HIV Sero-positive PatientsCompletedNCT00990678Not applicable
- Vitamin D Supplementation for the Prevention of Acute Respiratory Tract InfectionsCompletedNCT00973583Not applicable
- Primary Hyperparathyroidism: Does a Systematic Treatment Improve the Calcium and Bone Metabolism After Surgery?Status unknownNCT00973336Phase 2
- Vitamin D and Genetics in Nutritional RicketsCompletedNCT00949832Phase 4
- Vitamin D Versus Placebo in the Treatment of Vague Musculoskeletal Pain in ChildrenWithdrawnNCT00944606Not applicable
- Vitamin Deficiency and Blood Pressure in Hospitalized Jewish General Hospital (JGH) PatientsCompletedNCT00921622Phase 2
- Vitamin D Supplementation and CD4 Count in HIV-Infected ChildrenCompletedNCT00911664Phase 2
- Comparison of 25-hydroxy Vitamin D Level in Caucasian Women Receiving Vitamin D Supplementation and Not Receiving Supplementation: a Randomized Controlled Trial.CompletedNCT00882505Not applicable
- Nutritional Intervention for Age-related Muscular Function and Strength LossesCompletedNCT00874575Phase 1
- Cord Blood Plus Vitamin D and Omega 3s in T1DCompletedNCT00873925Phase 1
- Evaluation of Calcium, Vitamin D, Magnesium, and Zinc Absorption in ChildrenCompletedNCT00868738Not applicable
- Vitamin D and Calcium StudyCompletedNCT00857831Not applicable
- Study Comparing Two Vitamin D Supplements for Infants: Liquid Versus D-StripsCompletedNCT00846677Phase 4
- Vitamin D Treatment in Patients With Chronic Hepatitis CStatus unknownNCT00804752Not applicable
- Prevention of Secondary Hyperparathyroidism With Vitamin D in Stage II/III Chronic Kidney DiseaseCompletedNCT00781417Not applicable
- Effects of Vitamin D on LipidsCompletedNCT00723385Not applicable
- L-arginine and Vitamin D Adjunctive Therapy in Pulmonary Tuberculosis (TB)CompletedNCT00677339Phase 3
- High-Dose Vitamin D Deficiency in Burn InjuryWithdrawnNCT00591604Phase 3
- Kabul Vitamin D Supplementation TrialStatus unknownNCT00548379Phase 3
- Effects of Vitamin D Replacement in Patients With Primary Hyperparathyroidism (PHPT)CompletedNCT00538720Phase 1
- The Effect of Calcium and Vitamin D in Patients With Heart FailureCompletedNCT00497900Phase 4
- Vitamin D Reabsorption in Adolescents and Young Adults With HIV InfectionCompletedNCT00490412Not applicable
- Calcitriol or Placebo in Men for Prostate Cancer Active SurveillanceWithdrawnNCT00482157Not applicable