Not applicableUnknownNCT05018988What this trial is testingVitamin D in School ChildrenWho this might be right forVitamin D DeficiencyMusculoskeletal DiseasesCognitive Delay, Mild University of Ulster 118
Not applicableStudy completedNCT00893451What this trial is testingStudy of Vitamin D3 Supplementation in Patients With Chronic Kidney DiseaseWho this might be right forChronic Kidney DiseaseInsulin ResistanceVitamin D Deficiency Sahlgrenska University Hospital 24
Early research (Phase 1)Study completedNCT00682214What this trial is testingCholecalciferol Supplementation, Muscle StrengthWho this might be right forVitamin D Deficiency Indian Council of Medical Research 40
Not applicableStudy completedNCT07479303What this trial is testingVitamin D Status in Young Medical ResidentsWho this might be right forVitamin D Deficiency Maimónides Biomedical Research Institute of Córdoba 30
Testing effectiveness (Phase 2)WithdrawnNCT01170507What this trial is testingMagnitude of Changes in 25 OH Vitamin D3 Levels After Vitamin D3 SupplementationWho this might be right forVitamin D Deficiency King Faisal Specialist Hospital & Research Center
Not applicableStudy completedNCT04655664What this trial is testingThe Use of the 25 (OH) D Saliva Test as a Substitute for the 25 (OH) D Serum Test in Healthy PeopleWho this might be right forNutritional Deficiency Universitas Sumatera Utara 56
Not applicableStudy completedNCT03099759What this trial is testingVitamin D Raising and Maintaining Blood Serum 25(OH)D3 LevelsWho this might be right forVitamin D Deficiency The Cleveland Clinic 49
Not applicableStudy completedNCT01817231What this trial is testingEpidemiological Analysis of Vitamin D and Breast Cancer Risk in Saudi Arabian WomenWho this might be right forBreast CancerVitamin D Deficiency University of Arizona 240
Not applicableStudy completedNCT06289257What this trial is testingAnalysis of Vitamin D and VDR Expression in Endometriosis: A Case-Control StudyWho this might be right forEndometriosisVitamin D Deficiency/InsufficiencyVitamin D Status Khon Kaen University 108
Not applicableStudy completedNCT01170494What this trial is testingEffect of Vitamin D Oral Supplements on 25 OH Vitamin D LevelsWho this might be right forVitamin D Deficiency King Faisal Specialist Hospital & Research Center 279
Not applicableStudy completedNCT06096194What this trial is testingVitamin D3-enhanced Eggs in Preschool ChildrenWho this might be right forVitamin D Deficiency25-Hydroxyvitamin D3 Deficiency, Selective Instituto Nacional de Salud Publica, Mexico 275
Not applicableStudy completedNCT01650883What this trial is testingA Prospective Open-label Comparison of Two Vitamin D3 Repletion Strategies in Vitamin D Deficient PatientsWho this might be right forVitamin D 25 OH Deficiency University of South Florida 56
Not applicableLooking for participantsNCT04179370What this trial is testingVitamin D and Health Status of British African-Caribbean WomenWho this might be right forVitamin D Deficiency University of Surrey 100
Not applicableStudy completedNCT04184661What this trial is testingBurosumab and 1-25 (OH) Vitamin D on Human OsteoclastsWho this might be right forHypophosphatemic Rickets Hospices Civils de Lyon 52
Not applicableUnknownNCT05394207What this trial is testingEvaluation Of The Effect Of L. Casei DG® On Vitamin D Absorption In Patients Under Vitamin D Supplementation.Who this might be right forVitamin D Deficiency SOFAR S.p.A. 46
Not applicableUnknownNCT06366776What this trial is testingEmulated Study of Vitamin D Correction Vs Non-CorrectionWho this might be right forVitamin D Deficiency The Cooper Health System 9,000
Large-scale testing (Phase 3)UnknownNCT06054919What this trial is testingThe Effect of Vitamin D3 Therapy on Vitamin D Status in Pregnant Women With Vitamin D Deficient and InsufficientWho this might be right forVitamin D Deficiency Universitas Indonesia 52
Not applicableStudy completedNCT02553044What this trial is testingChange in Free 25(OH)D After High Dose in Vitamin D Deficient Postmenopausal WomenWho this might be right forVitamin D DeficiencyOsteoporosis Sheffield Teaching Hospitals NHS Foundation Trust 112
Not applicableStudy completedNCT01554241What this trial is testingOptimizing Vitamin D in the ElderlyWho this might be right forDeficiency of Vitamin D3 University of California, San Francisco 86
Not applicableStudy completedNCT03544671What this trial is testingEffect of Vitamin D3 Supplementation in Children From 12 to 30 Months of Age.Who this might be right forVitamin D Deficiency25-Hydroxyvitamin D3 Deficiency, Selective Instituto Nacional de Salud Publica, Mexico 220