Not applicableStudy completedNCT03783273What this trial is testingThe Influence of Food Matrix Delivery System on the Bioavailability of Vitamin D3Who this might be right forVitamin D Deficiency University of Aarhus 30
Post-approval studies (Phase 4)Study completedNCT01731340What this trial is testingA Study on the Impact of Calcium on Woman's Vascular HealthWho this might be right forCardiovascular DiseasesOsteoporosis McGill University Health Centre/Research Institute of the McGill University Health Centre 123
Not applicableStudy completedNCT06607718What this trial is testingNutritional and Exercise Intervention in Older Adults Admitted to the Acute Care Unit (SERIA)Who this might be right forMalnutrition; ProteinOlderSarcopenia Fundacion para la Investigacion Biomedica del Hospital Universitario Ramon y Cajal 105
Not applicableStudy completedNCT03318029What this trial is testingVitamin D Supplementation and Sunlight Exposure in Brazilian Women Living in Opposite Latitudes (The D-SOL Study)Who this might be right forVitamin D Deficiency University of Surrey 136
Not applicableStudy completedNCT03609970What this trial is testingVitamin D and Immunity: Photosynthesis Versus SupplementationWho this might be right forVitamin D Deficiency Guy's and St Thomas' NHS Foundation Trust 36
Testing effectiveness (Phase 2)Study completedNCT01974245What this trial is testingSupplementation With Cholecalciferol in Dialysis PatientsWho this might be right forChronic Kidney Disease Federal University of São Paulo 55
Not applicableLooking for participantsNCT04331639What this trial is testingHigh Dose Interval Vitamin D Supplementation in Patients With Inflammatory Bowel Disease Receiving Biologic TherapyWho this might be right forInflammatory Bowel DiseaseCrohn DiseaseUlcerative Colitis+1 more Boston Children's Hospital 50
Not applicableUnknownNCT03132103What this trial is testingVitamin D Supplementation and Immunity/Physical PerformanceWho this might be right forVitamin D Status Bangor University 260
Post-approval studies (Phase 4)Study completedNCT03385356What this trial is testingImpact of Vitamin D Supplementation in Patients With Multiple SclerosisWho this might be right forMultiple Sclerosis, Relapsing-RemittingVitamin D Deficiency University Medical Centre Maribor 89
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
Large-scale testing (Phase 3)Study completedNCT01326442What this trial is testingVitamin D and Omega-3 Inhibit Metabolic SyndromeWho this might be right forType 2 Diabetes MellitusHypertensionHyperlipidemia+1 more University of Guelph 40
Large-scale testing (Phase 3)Study completedNCT00685594What this trial is testingVitamin D for the Prevention of Diabetes Type 2Who this might be right forImpaired Glucose Tolerance University of Tromso 511
Not applicableStudy completedNCT01141192What this trial is testingThe Effect of Vitamin D Supplementation on Glucose Metabolism in Non-Diabetic African American AdultsWho this might be right forType 2 Diabetes Augusta University 48
Very early researchStudy completedNCT05331807What this trial is testingOmega-3 and Vitamin D Supplementation in Breast Cancer WomenWho this might be right forBreast Cancer Female Universiti Sains Malaysia 88
Early research (Phase 1)Study completedNCT03576716What this trial is testingClearance of 25-hydroxyvitamin D3 During Vitamin D3 SupplementationWho this might be right forChronic Kidney Disease University of Washington 19
Early research (Phase 1)Study completedNCT00938600What this trial is testingAntenatal Vitamin D3 Dose-finding and Safety StudyWho this might be right forPregnancyNutritional StatusVitamin D Johns Hopkins Bloomberg School of Public Health 75
Not applicableEnded earlyNCT02212652What this trial is testingVitamin D to Improve Nutrition Prior to Bariatric Surgery and Investigate the Relationship With Negative OutcomesWho this might be right forVitamin D DeficiencyVitamin D Insufficiency Johns Hopkins University 70
Not applicableStudy completedNCT02598830What this trial is testingThe Granheim COPD Study - Vitamin D and Strength TrainingWho this might be right forChronic Obstructive Pulmonary Disease Inland Norway University of Applied Sciences 97
Post-approval studies (Phase 4)Ended earlyNCT00974922What this trial is testingVitamin D Deficiency in Patients With HypertensionWho this might be right forVitamin D DeficiencyHypertension UConn Health 40
Not applicableStudy completedNCT03155477What this trial is testingEffect Of Curcuma Xanthorrhiza and Vitamin D3 Supplementation in SLE Patients With Hypovitamin DWho this might be right forSLE Saiful Anwar Hospital 39