Vitamin D: all 520 studies that test it
Page 4 of 6. Open to participants first (50), then studies with results posted, then the rest; newest registration first within each.
- Cholecalciferol Supplementation in Restless Leg Syndrome in Patients With Chronic Kidney DiseaseWithdrawnNCT03063190Phase 4
- Vitamin D Repletion and Maintenance in IBD: How Much and How OftenWithdrawnNCT03053414Not applicable
- Vitamin D Deficiency and DysautonomiaCompletedNCT03032328Not applicable
- Effect of Milk Protein and Prebiotics in Combination With Vitamin D on Innate Immunity in Elderly PeopleCompletedNCT03026244Not applicable
- Vitamin D Supplementation and NeurocognitionWithdrawnNCT03019120Phase 2
- The Assessment of the Effect of Vitamin D Supplementation on Inflammatory and Endothelial Factors in the Patients With Type 2 Diabetes .Status unknownNCT03008057Phase 2/3
- Assessing the Impact of a Mode of Vitamin D Supplementation (Sequential Dose vs Daily Dose) on the Incidence of Hypercalciuria in Subjets Aged From 2 to 18 YearsStatus unknownNCT02975492Not applicable
- A New Paradigm for Vitamin D SufficiencyCompletedNCT02969850Not applicable
- The Effect of Vitamin D Substitution on the Development of Chronic PancreatitisCompletedNCT02965898Not applicable
- Fracture Healing Assessed by HR-pQCT After Administration of Calcium and Vitamin DCompletedNCT02889237Not applicable
- High Dose Vitamin D Replacement in Patients Undergoing Hematopoietic Stem Cell TransplantationTerminatedNCT02876822Not applicable
- Vitamin D Supplementation in Vitamin D Deficient Obese Children During Weight-loss ProgramStatus unknownNCT02828228Not applicable
- Nutraceuticals Versus Usual Care in the Prevention or Reduction of CIPN in Patients Treated With Docetaxel as Neoadjuvant/Adjuvant Breast Cancer TherapyTerminatedNCT02795572Phase 2
- Sustained Effect of Urticaria Remission With Relatively High Dose Vitamin D Supplementation After Omalizumab DiscontinuationWithdrawnNCT02742805Phase 4
- Effects of Supplementation of Vitamin D in Patients With Crohn's DiseaseStatus unknownNCT02704624Phase 4
- Effect of Oral Vitamin D3 on Chronic Rhinosinusitis Treatment in Adults With Lower Vitamin D LevelsStatus unknownNCT02668861Phase 3
- Pilot Study on Metabolic Effects of Fish Peptides and Vitamin DCompletedNCT02668159Not applicable
- Vitamin D Supplementations and Postoperative PainCompletedNCT02664857Phase 4
- Effects of Vitamin D and Calcium Supplementation on Health and Well-being of Vitamin D Deficient UAE CitizensCompletedNCT02662491Not applicable
- Correction of Vitamin D Deficiency and Its Effect on Ovulation Induction in Women With PCOS (VIDEO): A Feasibility RCTCompletedNCT02656121Phase 2
- Evaluation of Calcium and Vitamin D Supplementation During Marine Corps TrainingCompletedNCT02636348Not applicable
- Vitamin D Supplementation in Wheelchair Indoor AthletesCompletedNCT02621320Not applicable
- Genetic, Dietary and Environmental Influences on Vitamin D MetabolismCompletedNCT02590614Not applicable
- Systemic Vitamin D Supplementation in Dental Implants PatientsCompletedNCT02582892Phase 4
- Comparison of Calcium Metabolism in Caucasian and Asian Postmenopausal Women of Chinese Descent and the Use of Strontium as a Qualitative Marker of Calcium MetabolismCompletedNCT02565602Not applicable
- Vitamin D Intervention in Young Adults With Severe Childhood-onset ObesityCompletedNCT02549326Not applicable
- Vitamin D Supplementation Can Improve Heart Function in Idiopathic CardiomyopathyStatus unknownNCT02517814Not applicable
- Prevention of Type 2 Diabetes With Vitamin DCompletedNCT02513875Not applicable
- Getting Vitamin D Dosing RightCompletedNCT02474446Not applicable
- Vitamin D Plasma Level and Its Role in HeadacheCompletedNCT02467127Not applicable
- Preventive and Reversional Effect of Vitamin D on Parenteral Nutrition Associated Liver DiseaseStatus unknownNCT02452177Not applicable
- The 'Hidden' Biological Impact of Vitamin D Deficiency: a Biomarker Study; Part 2CompletedNCT02451787Phase 2
- Effectiveness of Vitamin D in Primary DysmenorrhoeaCompletedNCT02441530Phase 3
- Calcium and High-dose Vitamin D Supplementation on Bone Mineral Density Among HIV-infected Children and AdolescentsCompletedNCT02426840Phase 3
- The Effect of Vitamin D Administration to Premature Infants on Vitamin D Status and Respiratory MorbidityCompletedNCT02404623Not applicable
- Vascular and Metabolic Effects of Vitamin D Supplementation Associated With Lifestyle Management in Obese AdolescentsCompletedNCT02400151Phase 4
- An Evaluation of the Effect of Vitamin D Supplementation on the Cognitive Function of Older Subjects With Low Levels of This VitaminTerminatedNCT02381600Not applicable
- Efficacy of a Once Daily Calcium and Vitamin D Fortified Food Product to Improve Bone MicroarchitectureCompletedNCT02375503Not applicable
- Vitamin D Improves Depression in Liver PatientsCompletedNCT02359266Not applicable
- Vitamin D Supplementation During LactationCompletedNCT02297568Not applicable
- The Effects of Vitamin D Supplementation on Aerobic Fitness in AthletesCompletedNCT02278172Phase 4
- Vitamin D in the Treatment of Primary Restless Legs SyndromeStatus unknownNCT02256215Phase 2/3
- VITamin D and OmegA-3 TriaL: Effects on Mammographic Density and Breast TissueStatus unknownNCT02239874Not applicable
- Vitamin D and Muscle Metabolic FunctionCompletedNCT02221596Not applicable
- Assessment of Dose Effectiveness of Vitamin D Supplementation During Pregnancy- a Dose Comparison TrialCompletedNCT02215213Not applicable
- Maternal Vit D Supplements & Infant and Maternal Biomarkers & Outcomes in Southern EthiopiaCompletedNCT02210884Not applicable
- The Role of Vitamin D in Female Reproductive Tract ImmunityCompletedNCT02186535Phase 1
- Effect of Oral Daily Supplementation With 400 IU Vs 200 IU of Vitamin D in Term Healthy NeonatesCompletedNCT02186028Phase 4
- Effect of Supplementary Vitamin D in Patients With Diabetes Mellitus and Pulmonary TuberculosisStatus unknownNCT02169570Phase 4
- Study of Calcium Plus Vitamin D Supplementation in Prevention of Colorectal Adenomas RecurrenceStatus unknownNCT02143505Phase 2/3
- Roles of Vitamin D and HDL in Obese ChildrenCompletedNCT02135913Not applicable
- Vitamin D Supplementation in Patients With COPDCompletedNCT02122627Not applicable
- Vitamin D and Vitamin B12 Supplementation With Pegylated Interferon-Alfa Plus Ribavirin for Treating Chronic Hepatitis CTerminatedNCT02120274Phase 4
- Can Vitamin D Supplementation in the First Year of Life Prevent Food Allergy in Infants? The VITALITY Trial: Parts 1&2Active, not recruitingNCT02112734Phase 4
- Can Vitamin D Supplementation Prevent Type 2 Diabetes?CompletedNCT02112721Phase 4
- Efficacy and Safety of the Combination Vitamin D With Standard of Care in Egyptian Patients With Untreated Chronic Hepatitis CWithdrawnNCT02099604Phase 3
- Nutritional Intervention of Type II Diabetes Mellitus by Vitamin D in QatarStatus unknownNCT02098980Not applicable
- DHA and Vitamin D in Children With Biopsy-proven NAFLDCompletedNCT02098317Phase 3
- Effects of Vitamin D3 Versus 25OHD3 on Mineral Metabolism and Immune FunctionCompletedNCT02091219Early Phase 1
- High-dose Vitamin D Supplementation for ADT-induced Side EffectsCompletedNCT02064946Not applicable
- Effect of Oral Vitamin D Supplement on Atopic Dermatitis; A Clinical Trial With Staphylococcus Aureus Colonization DeterminationCompletedNCT02058186Not applicable
- Effect of Vitamin D Supplementation in Young South African Children Hospitalized With Acute Lower Respiratory InfectionStatus unknownNCT02054182Phase 4
- Effect of Vitamin D Supplementation on the Control of Asthma in Children at a South African Academic HospitalStatus unknownNCT02053402Phase 4
- Nutritional Intervention for Age-related Muscular Function and Strength Losses-Study 2CompletedNCT02043171Phase 1
- Effect of Vitamin D Treatment on FatigueCompletedNCT02022475Phase 3
- Vitamin D Supplementation for the Prevention of Cardiovascular RiskCompletedNCT02020694Phase 4
- The Effect of Vitamin D3 to Maintain Surgical Remission in Postoperative Crohn's DiseaseCompletedNCT02010762Phase 4
- Vitamin D Supplementation in Cirrhotic PatientsCompletedNCT02009748Phase 2
- Vitamin D Status and Supplementation in AthletesCompletedNCT02008201Phase 3
- Chronic Pain and Vitamin DStatus unknownNCT02002000Not applicable
- Vitamin D to Reduce Colds and Asthma Attacks in Young ChildrenCompletedNCT01999907Phase 2
- Long Term Vitamin D Therapy in HCV Treated PatientsTerminatedNCT01997203Phase 3
- The Role of Vitamin D in the Pathophysiology of Chronic FailureCompletedNCT01993537Phase 4
- Vitamin D Supplementation and TBStatus unknownNCT01992263Not applicable
- Bone Antiresorptive Therapy With Antiretroviral Initiation (BATARI) Pilot TrialCompletedNCT01968850Phase 2
- Anti-proliferative Effects of Vitamin D and Melatonin in Breast CancerCompletedNCT01965522Phase 2
- Study of High-Dose Oral Vitamin D for the Prevention of Liver CancerWithdrawnNCT01956864Phase 1
- Mozzarella Cheese Vitamin D and BioavailabilityCompletedNCT01919905Not applicable
- Trial of Vitamin D Fortified MilkCompletedNCT01909622Phase 3
- A Randomized Controlled Trial Testing The Effect Of A Multi-Nutrient Fortified JuiceCompletedNCT01909063Not applicable
- Dose-dependent Effects of Vitamin D on Bone HealthCompletedNCT01900860Not applicable
- Vitamin D Supplementation and the Immune ResponseTerminatedNCT01893385Phase 2
- Vitamin D + Telaprevir + Peginterferon + Ribavirin for of Hepatitis C Genotype 1WithdrawnNCT01890772Phase 2/3
- Comparison of Absorption of Vitamin D in Cystic FibrosisCompletedNCT01880346Phase 4
- the Effect of Vitamin D on the Serum Thioredoxin, TBP-2, Thioredoxin Reductase, Gene Expression of TBP-2 in Patients With Type II DiabetesStatus unknownNCT01876563Phase 4
- Vitamin D3, Folic Acid and Fexofenadine in Healthy VolunteersCompletedNCT01856348Phase 1
- Effects of Treating Vitamin D Deficiency in Poorly Controlled Type 2 DiabetesCompletedNCT01855321Phase 1
- Once-Daily Oral Dose of BeneFlax to Healthy Older AdultsCompletedNCT01846117Phase 1/2
- Ulcerative Colitis and Vitamin D SupplementationWithdrawnNCT01846026Phase 1/2
- Vitamin D Supplementation in Glomerular DiseaseCompletedNCT01835639Not applicable
- Vitamin D as a Supplement Against Falls in Elderly StudyCompletedNCT01827345Not applicable
- Phase I Assay-guided Trial of Anti-inflammatory Phytochemicals in Patients With Advanced CancerCompletedNCT01820299Phase 1
- Efficacy of Cholecalciferol (Vitamin D3) for Delaying the Diagnosis of MS After a Clinically Isolated SyndromeCompletedNCT01817166Phase 3
- Vitamin D Intervention Trial in Healthy ChineseCompletedNCT01817036Phase 1
- Vitamin D3 (Vit D3) Supplementation and T Cell Immunomodulation in Patients With Newly Diagnosed Operative Invasive Ductal Breast CarcinomaTerminatedNCT01816555Phase 1
- Vitd and Barrier Function in IBDCompletedNCT01792388Phase 4
- Role of Vitamin D in the Prevention and Treatment of Diseases Associated With Insulin ResistanceCompletedNCT01779908Not applicable
- Vitamine D in Multiple SclerosisStatus unknownNCT01768039Phase 3
- Effects of Vitamin D on Inflammation in Liver DiseaseStatus unknownNCT01754961Phase 2
- Vitamin D Supplementation in Patients With Diabetes Mellitus Type 2CompletedNCT01741181Phase 4