Vitamin D Deficiency: all 784 studies

Page 5 of 8. Open to participants first (61), then studies with results posted, then the rest; newest registration first within each.

• Association Between Vitamin D and the Development of Uterine FibroidsStatus unknownNCT03584529Not applicable
• Vitamin D Status Among Competitive Female Gymnast and Swimmers After Winter TimeCompletedNCT03584256
• Effect of Vitamin D3 Supplementation in Children From 12 to 30 Months of Age.CompletedNCT03544671Not applicable
• Vitamin D Supplementation to Prevent Vitamin D Deficiency for Children With EpilepsyCompletedNCT03536845Phase 3
• Vitamin D3 Supplementation for AlloHSCT-RCTStatus unknownNCT03534674Not applicable
• Vitamin D Status With Early Childhood CariesCompletedNCT03521492Not applicable
• Changes in Serum Vitamin D Level After Different Loading Doses of CholecalciferolCompletedNCT03504280Not applicable
• Vitamin D Status in Inflammatory Bowel DiseaseStatus unknownNCT03496246Not applicable
• The Changes of Body Composition, Glucolipid Metabolism and Bone Metabolism in Obese Children After Weight LossCompletedNCT03490448Not applicable
• Vitamin D Effect on Subarachnoid HemorrhageStatus unknownNCT03482843
• Vitamin D Supplementation and and Glycemic IndexesCompletedNCT03478475Not applicable
• Serum and Semen Vitamin D Level With Semen ParametersStatus unknownNCT03477136
• Vitamine D in Drug Resistant EpilepsyCompletedNCT03475225Phase 3
• High-dose Vitamin D3 in Pancreas CancerTerminatedNCT03472833Phase 3
• Magnesium as a Mediator of Bone and Vitamin D Metabolism in Patients on Antiepileptic Drug TherapyTerminatedNCT03471481
• The Efficacy of Different Vitamin D Supplementation Delivery MethodsCompletedNCT03463642Not applicable
• Myocardial Function and Vitamin D Supplementation in Diabetes.CompletedNCT03437421Not applicable
• Central Sensitization in Vitamin D DeficiencyCompletedNCT03420378Not applicable
• Vitamin D Deficiency Treatment Outcomes After Non-ST-Segment Elevation Myocardial InfarctionStatus unknownNCT03405207Phase 2
• Vitamin D Supplementation on in Major Orthopedic SurgeryCompletedNCT03403933Phase 4
• Effect of Vitamin D on Everolimus Trough Concentrations Among Heart Transplanted PatientsCompletedNCT03403647Not applicable
• Vitamin D Supplementation in ChildrenCompletedNCT03402698Not applicable
• 25-Hydroxyvitamin D Pharmacokinetic StudyCompletedNCT03401541Early Phase 1
• Evaluation of Metabolic Predictors of Influenza Vaccine Immune Response in the Singapore Elderly Population - the DYNAMIC TrialStatus unknownNCT03399357
• Vitamin D Deficiency Among Women With Unexplained InfertilityStatus unknownNCT03396237
• Vitamin D3 Supplementation and Stress Fracture Occurrence in High-Risk Collegiate AthletesCompletedNCT03395171Not applicable
• Vitamin D Level and Risk of Infections in Cirrhotic PatientsStatus unknownNCT03391245
• Impact of Vitamin D Supplementation in Patients With Multiple SclerosisCompletedNCT03385356Phase 4
• Vitamin D and Hand Grip Strength at 5 Years in Odense Child CohortCompletedNCT03381378
• Study of the Association of Muscle Strength, Balance and Other Factors With Vitamin Levels Among Elderly DiabeticsCompletedNCT03376490
• Valuation of Efficacy and Safety of Vitamin D3 Use in 80 Women Diagnosed With Fibromyalgia. Using FIQ Score and VAS.CompletedNCT03369379Phase 4
• Impact of Correction of Vitamin D Deficiency in Oxidative Stress in Patients With Prediabetes (VICOX)TerminatedNCT03356873Not applicable
• Effect of Vitamin D Replacement on Bone Healing in Mini-dental ImplantsStatus unknownNCT03356730Phase 1
• Familial Clustering of Vitamin D Deficiency Via Shared Environment: The Korean National Health And Nutrition Examination Survey 2008-2012CompletedNCT03349879
• Vitamin D and Immune Mechanisms of Hypertension in Type 2 DiabeticsActive, not recruitingNCT03348280
• Metabolic Syndrome and Vitamin D Level in Old PeopleCompletedNCT03344718
• Preoperative Vitamin D Levels and Respiratory Complications of General AnesthesiaCompletedNCT03342651Not applicable
• Intervention Study of Vitamin D Supplementation to Prevent Cardiovascular DiseaseCompletedNCT03339427Not applicable
• The Effect of Vitamin D Supplementation on Psoriasis SeverityCompletedNCT03334136Not applicable
• Effect of Vitamin D3 and Omega-3FA on EstradiolCompletedNCT03333564Not applicable
• D-tecting Disease - From Exposure to Vitamin D During Critical Periods of LifeCompletedNCT03330301
• Vitamin D Supplementation and Sunlight Exposure in Brazilian Women Living in Opposite Latitudes (The D-SOL Study)CompletedNCT03318029Not applicable
• Vitamin D3 Treatment and Homocysteine Concentrations Among Overweight Reproductive WomenCompletedNCT03310307Phase 2
• Comparison of Sunlight Exposure and Vitamin D Supplementation on Serum 25-hydroxyvitamin D LevelsCompletedNCT03310242Not applicable
• Vitamin D Deficiency of Couples and InfertilityCompletedNCT03305510
• Vitamin D Deficiency Still GrowingCompletedNCT03304795
• Supplementation With Vitamin D to Patients With Heart Failure (D-Heart).Status unknownNCT03289637Not applicable
• Adults Nutrition as a Protective or Health-risk FactorCompletedNCT03284840
• Maternal Vitamin D Levels in Pregnancy and Dental Caries in ChildrenCompletedNCT03273725
• Importance of Dosing Regimen for the Effect of Vitamin D SupplementationCompletedNCT03272126Phase 3
• Effect of High-Dose Vitamin D3 in Smokers and Non-Smokers With and Without HIVTerminatedNCT03270709Phase 1
• The Effects of Oral Vitamin D Supplementation on the Prevention of Peritoneal Dialysis-related PeritonitisCompletedNCT03264625Phase 2
• Vitamin D in Diabetic ChildrenCompletedNCT03258086Not applicable
• The D-BIICEP StudyCompletedNCT03253055
• Vitamin D Levels in Liver Transplantation Recipients Prospective Observational StudyCompletedNCT03234218
• A Prospective, Single-centre, Open-label Study to Confirm the Efficacy and Safety of Vitamin D3 B.O.N. Intramuscular Injection in Adults With Vitamin D DeficiencyCompletedNCT03233295Phase 4
• Vitamin D Supplementation and Tibia Fracture. Does it Improve Healing Rate?Status unknownNCT03232216Not applicable
• Optimal Doses of Ergocalciferol Supplementation for Treatment of Hypovitaminosis D in AdultsStatus unknownNCT03228862Phase 4
• Vitamin D of Chinese Children and AdolescentsCompletedNCT03221972
• The Effect of Supplementation of Vitamin D Deficiency in Older People With Acute Hip Fracture:CompletedNCT03213886Phase 4
• Corneal Nerve Structure in Sjogren'sCompletedNCT03203382
• Vitamin D Supplementation on Metabolic Syndrome Indicators Among Older Adults, Alborz Province, IranCompletedNCT03193944Phase 2
• The VITDALIZE Study: Effect of High-dose Vitamin D3 on 28-day Mortality in Adult Critically Ill PatientsActive, not recruitingNCT03188796Phase 3
• A Randomized Phase IV Control Trial of Single High Dose Oral Vitamin D3 in Pediatric Patients Undergoing HSCTCompletedNCT03176849Phase 4
• Effects of Vitamin D Supplementation During a Non-surgical Treatment of Generalized Chronic PeriodontitisStatus unknownNCT03162406Not applicable
• Prevalence of Early Childhood Caries in Egyptian Children With Serum Vitamin D Deficiency.Status unknownNCT03158155
• Effects of Vitamin D Supplementation on Strength, Bone Density, and Injury Risk in Collegiate AthletesCompletedNCT03151174Early Phase 1
• Vitamin D Supplementation in IBSTerminatedNCT03148288Not applicable
• Vitamin D for Muscle Metabolic Function in Cancer CachexiaCompletedNCT03144128Not applicable
• Oral Vitamin D Substitution Weekly or Monthly and AdherenceCompletedNCT03141593Phase 4
• Magnesium and Vitamin D Supplementation and Cardiometabolic OutcomesCompletedNCT03134417Not applicable
• Vitamin D Raising and Maintaining Blood Serum 25(OH)D3 LevelsCompletedNCT03099759Not applicable
• Monitored vs Standard Supplementation of Vitamin D in Preterm InfantsCompletedNCT03087149Not applicable
• Follicular Fluid, Bioavailable Vitamin D and Embryo Quality MarkersCompletedNCT03073720
• Vitamin D and Bone Homeostasis in Ortho Polytrauma PatientsSuspendedNCT03066817Phase 1/2
• Cholecalciferol Supplementation in Restless Leg Syndrome in Patients With Chronic Kidney DiseaseWithdrawnNCT03063190Phase 4
• The Impact of Vitamin D Deficiency on Hypocalcaemia Following Total ThyroidectomyStatus unknownNCT03063060
• Vitamin D Repletion and Maintenance in IBD: How Much and How OftenWithdrawnNCT03053414Not applicable
• 'Palliative-D' Vitamin D to Palliative Cancer PatientsCompletedNCT03038516Phase 2
• Is Vitamin D2 Treatment-associated Decrease in 25(OH)D3 Level a Reciprocal Phenomena?CompletedNCT03035084Phase 4
• Vitamin D Deficiency and DysautonomiaCompletedNCT03032328Not applicable
• Comparison of Vitamin D Status and Vitamin D Receptor Polymorphisms in Patients With High Myopia and Primary Open-angle GlaucomaCompletedNCT03021629
• Vitamin D Supplementation and NeurocognitionWithdrawnNCT03019120Phase 2
• Preeclampsia Research on Vitamin D, Inflammation, & DepressionActive, not recruitingNCT03018132Not applicable
• Efficacy of Vitamin D Supplementation in Obese ChildrenCompletedNCT02956408Not applicable
• Vitamin D Supplementation in WarfightersCompletedNCT02954549Not applicable
• Multi-dose Vitamin D Supplementation in Preterm InfantsCompletedNCT02941185Phase 4
• Effects of Antarctic Environment on Vitamin D Status and Health Risk Biomarkers of Its InhabitantsCompletedNCT02930434Not applicable
• Vitamin D and Physical Performance Before and After Intervention and Birth Outcome in Pregnant Somali and Swedish WomenCompletedNCT02922803Not applicable
• Vitamin D and HbA1c Levels in Diabetic Patients With CKDCompletedNCT02906319
• Prevalence and Consequences of Vitamin D Deficiency in Pregnant Women in SwitzerlandCompletedNCT02904720
• Effect of Three Different Doses of Oral Cholecalciferol on 25-Hydroxyvitamin D Changes Among Epilepsy Patients With Hypovitaminosis DCompletedNCT02890823Phase 4
• High Dose Vitamin D Replacement in Patients Undergoing Hematopoietic Stem Cell TransplantationTerminatedNCT02876822Not applicable
• The Effect of Combinatorial Nutritional Supplementation on Immune Function in Healthy Older AdultsCompletedNCT02876315Not applicable
• Cholecalciferol Supplementation in Critically Ill Patients With Severe Vitamin D Deficiency.TerminatedNCT02868827Phase 2/3
• Is There Association Between Vitamin D Levels And Insulin Resistance In Polycystic Ovary Syndrome?Status unknownNCT02803476
• Empirical Comperative Study Of Variation Blood Level Antibody Vitamin D at Different Groups Of Patients Compared Healthy PeoplesStatus unknownNCT02795234Not applicable
• The GLOBAL Vitamin D Study. A Genomic, Transcriptomic, Proteomic and Metabolomic ApproachCompletedNCT02783924Phase 2
• The Effect of Vitamin D Supplementation on Cardiovascular Risk FactorsCompletedNCT02750293Phase 3
• Does Vitamin D Alter Bone's Response to Vibration?WithdrawnNCT02743559Not applicable

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