Not applicableStudy completedNCT01832623What this trial is testingVitamin D, Bones, Nutritional and Cardiovascular StatusWho this might be right forVitamin D Hospices Civils de Lyon 100
Not applicableStudy completedNCT05066490What this trial is testingEffect of Exercise on Vitamin d in ObeseWho this might be right forObesityVitamin D Deficiency Taif University 30
Not applicableUnknownNCT03132103What this trial is testingVitamin D Supplementation and Immunity/Physical PerformanceWho this might be right forVitamin D Status Bangor University 260
Not applicableStudy completedNCT03229317What this trial is testingRespiratory Outcome of Children From the FEPED CohortWho this might be right forAsthma in Children Assistance Publique - Hôpitaux de Paris 142
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 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 completedNCT03521492What this trial is testingVitamin D Status With Early Childhood CariesWho this might be right forEarly Childhood Caries, Vitamin D Deficiency Ministry of Health, Saudi Arabia 60
Not applicableStudy completedNCT00968734What this trial is testingVitamin D Status After Single Oral Dose of Cholecalciferol in Low Fat Meal Compared to High-fat MealWho this might be right forDeficiency, Vitamin D Federal University of Rio Grande do Sul 30
Not applicableStudy completedNCT01793402What this trial is testingVitamin D Status and the Adequacy of Vitamin D Intake in Early Preterm InfantsWho this might be right forHypovitaminosis D Children's Hospital Medical Center, Cincinnati 120
Not applicableUnknownNCT05802433What this trial is testingThe Genetic Effects on Vitamin D SupplementationWho this might be right forVitamin D Deficiency St. Mary's University, Twickenham 67
Not applicableNot Yet RecruitingNCT07111767What this trial is testingEffectiveness of a Modified Cost-Effective Dietary Plan in Promoting Weight Loss and Preservation of Lean Body Mass in Patients After Bariatric SurgeryWho this might be right forObesityBariatric SurgeryNutritional Status+1 more Khyber Teaching Hospital 122
Not applicableStudy completedNCT04780776What this trial is testingEvaluating the Effect of SOLIUS UV Light Source in Improving Vitamin D StatusWho this might be right forVitamin D DeficiencyVitamin D Insufficiency Boston University 69
Testing effectiveness (Phase 2)Study completedNCT01656070What this trial is testingVitamin D Supplementation in HIV-infected YouthWho this might be right forHIV DiseaseVitamin D DeficiencyHypovitaminosis D+1 more University of Milan 50
Not applicableStudy completedNCT02636348What this trial is testingEvaluation of Calcium and Vitamin D Supplementation During Marine Corps TrainingWho this might be right forNutrition StatusBone Health United States Army Research Institute of Environmental Medicine 380
Large-scale testing (Phase 3)Study completedNCT01153568What this trial is testingVitamin D and Osteoporosis Prevention in Elderly African American WomenWho this might be right forDetermine Effect of Vitamin D on Bone Health in Elderly African American Women Winthrop University Hospital 260
Large-scale testing (Phase 3)WithdrawnNCT02684487What this trial is testingVitamin D Status in Patients With Severe SepsisWho this might be right forSepsisSevere SepsisEnd Organ Damage+1 more Massachusetts General Hospital
Not applicableStudy completedNCT02860663What this trial is testingEffect of Different Vitamin D Vitamers on Vitamin D StatusWho this might be right forVitamin D Status University of Copenhagen 14
Not applicableStudy completedNCT02930434What this trial is testingEffects of Antarctic Environment on Vitamin D Status and Health Risk Biomarkers of Its InhabitantsWho this might be right forVitamin D Deficiency Pontificia Universidad Catolica de Chile 75