Not applicableStudy completedNCT05357859What this trial is testingVitamin D for Cognition in Bipolar DisorderWho this might be right forBipolar Disorder Taipei City Hospital 21
Not applicableStudy completedNCT01519986What this trial is testingThe Effect of Fat on Vitamin D AbsorptionWho this might be right forVitamin D Deficiency Federal University of Rio Grande do Sul 64
Not applicableStudy completedNCT05402527What this trial is testingFish Nutrient Supplementation in High-intensity Functional TrainingWho this might be right forExercise TrainingDietary Supplements Aristotle University Of Thessaloniki 25
Not applicableStudy completedNCT01657656What this trial is testingVitamin D Supplementations as Adjunct to Anti-Tuberculosis Drugs in MongoliaWho this might be right forVitamin D SupplementsTuberculosisSputum+2 more Harvard School of Public Health (HSPH) 350
Not applicableStudy completedNCT01463813What this trial is testingFinnish Vitamin D Trial (FIND)Who this might be right forCardiovascular DiseasesCancer University of Eastern Finland 2,495
Not applicableStudy completedNCT00490412What this trial is testingVitamin D Reabsorption in Adolescents and Young Adults With HIV InfectionWho this might be right forHIV Infections University of North Carolina, Chapel Hill 207
Testing effectiveness (Phase 2)Study completedNCT01904032What this trial is testingSunshine 2 Study for Women With DiabetesWho this might be right forDiabetesDepressionQuality of Life Loyola University 265
Large-scale testing (Phase 3)Study completedNCT01426256What this trial is testingVitamin D for Enhancing the Immune System in Cystic Fibrosis (DISC Study)Who this might be right forCystic FibrosisRespiratory Tract Infections Emory University 91
Not applicableStudy completedNCT05023122What this trial is testingThe Effect of Oral Vitamin D Supplements on Fusion Outcome in Patients Receiving Elective Lumbar Spinal FusionWho this might be right forVitamin DSpinal FusionLumbar Spine Disease Show Chwan Memorial Hospital 34
Very early researchUnknownNCT04309058What this trial is testingObservation of the Effect of Vitamin D Supplementation on Chronic Course of Patients With Ulcerative Colitis Based on Vitamin D Receptor Fok I Gene PolymorphismWho this might be right forUlcerative ColitisVitamin D DeficiencyVitamin D Supplement Second Affiliated Hospital of Wenzhou Medical University 100
Not applicableStudy completedNCT04276649What this trial is testingA Retrospective Analysis: the Influence of Caltrate Supplement on the Effect of Mesalazine in Ulcerative ColitisWho this might be right forUlcerative ColitisVitamin D DeficiencyVitamin D Supplement Second Affiliated Hospital of Wenzhou Medical University 74
Large-scale testing (Phase 3)Study completedNCT02271230What this trial is testingIntervention With Vitamin D and Omega-3 Supplements and Incident Heart FailureWho this might be right forHeart Failure Brigham and Women's Hospital 25,871
Not applicableStudy completedNCT04476745What this trial is testingThe Effect of D3 on Selected Cytokines Involved in Cytokine Storm in the Covid-19 Uninfected Jordanian PeopleWho this might be right forCytokine Storm Applied Science Private University 100
Not applicableStudy completedNCT03860194What this trial is testingEffects of Dietary Supplements on Sarcopenic EldersWho this might be right forSarcopenia Far Eastern Memorial Hospital 85
Not applicableStudy completedNCT01524874What this trial is testingComparative Effectiveness of Vitamin D and Repletion StrategiesWho this might be right forHypovitaminosis DInsulin ResistanceDiabetes Bastyr University 66
Not applicableStudy completedNCT06098846What this trial is testingHuman Transdermal Vitamin D Supplement StudyWho this might be right forVitamin D Supplementation King's College London 108
Testing effectiveness (Phase 2)Study completedNCT00499408What this trial is testingVitamin D and Soy Supplements in Treating Patients With Recurrent Prostate CancerWho this might be right forProstate Cancer Wake Forest University Health Sciences 26
Not applicableStudy completedNCT04207294What this trial is testingVitamin D Enriched Meat Project (Acute Study)Who this might be right forVitamin D Deficiency University of Ulster 15
Not applicableStudy completedNCT02621320What this trial is testingVitamin D Supplementation in Wheelchair Indoor AthletesWho this might be right forVitamin D DeficiencySpinal Cord InjuryDrug Effects+2 more Swiss Paraplegic Research, Nottwil 20
Not applicableStudy completedNCT02210884What this trial is testingMaternal Vit D Supplements & Infant and Maternal Biomarkers & Outcomes in Southern EthiopiaWho this might be right forVitamin D Deficiency Oklahoma State University 240