Search clinical trials for: Vitamin D3 or Placebo
Total 4307 results
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University of North Carolina, Chapel HillNational Institute on Drug Abuse (NIDA); Eunice Kennedy Shriver National Institute... and other collaboratorsCompletedHIV InfectionUnited States, Puerto Rico
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Mahidol UniversityUnknownCritical Illness | Vitamin D Deficiency | SarcopeniaThailand
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Aalborg UniversityAalborg University Hospital; CCBR Aalborg A/S, Aalborg, DenmarkCompletedMigraine According to International Headache Society (IHS) Criteria (ICHD-II)Denmark
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University Hospitals Cleveland Medical CenterNorthwestern UniversityWithdrawn
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Medical University of GdanskCompletedParkinson Disease | Vitamin D DeficiencyPoland
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Massachusetts General HospitalBrigham and Women's HospitalCompletedCardiovascular DiseaseUnited States
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Columbia UniversityNational Institute of Allergy and Infectious Diseases (NIAID)Completed
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University of NebraskaCreighton University Medical CenterCompleted
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Rambam Health Care CampusCompleted
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Stanford UniversityNational Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) and other collaboratorsCompletedMelanoma, SkinUnited States
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Huazhong University of Science and TechnologyNot yet recruiting
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Emory UniversityTerminatedParkinson's DiseaseUnited States
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National Institute of Allergy and Infectious Diseases...Consortium of Food Allergy ResearchCompletedPsoriasis | Atopic DermatitisUnited States
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Medical University of South CarolinaThrasher Research FundCompletedVitamin D Deficiency | PregnancyUnited States
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Aga Khan UniversityCompletedVitamin D DeficiencyPakistan
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Hospital de Clinicas de Porto AlegreFederal University of Rio Grande do SulTerminated
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Atlanta VA Medical CenterCompletedVitamin D Deficiency | Chronic Kidney DiseaseUnited States
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University of UlsterWestern Health and Social Care TrustCompletedObesity | Vitamin D DeficiencyUnited Kingdom
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Charles Drew University of Medicine and ScienceNational Institute on Minority Health and Health Disparities (NIMHD); Morehouse...CompletedHypovitaminosis DUnited States
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University of UlsterDairy Council for Northern Ireland; Agri-food & Biosciences Institute; Center...Completed
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Mairead Kiely PhDEuropean CommissionCompleted
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Bangor UniversityUniversity of East Anglia; University of ManchesterUnknown
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National Institute of Allergy and Infectious Diseases...Autoimmunity Centers of ExcellenceCompleted
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Hospital Universitario Pedro ErnestoConselho Nacional de Desenvolvimento Científico e Tecnológico; Rio de Janeiro...RecruitingObesity | Vitamin D3 DeficiencyBrazil
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University of North Carolina, Chapel HillTerminatedChronic Pain Following Thermal Burn InjuryUnited States
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Federal University of São PauloConselho Nacional de Desenvolvimento Científico e TecnológicoCompleted
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Universidad Autonoma de Nuevo LeonCompletedFibromyalgia | D Vitamin DeficiencyMexico
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Columbia UniversityNational Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)CompletedPrimary Hyperparathyroidism | Vitamin D DeficiencyUnited States
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Memorial Medical CenterUnited States Department of DefenseCompletedParkinson DiseaseUnited States
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Rutgers UniversityCompleted
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Dana-Farber Cancer InstituteNational Cancer Institute (NCI); Pharmavite LLCRecruitingStage, Colon Cancer | Stage I-III Colon Cancer | Stage IV Colon Cancer With Resectable Liver MetastasesUnited States
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University of CalgaryRecruiting
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King Abdulaziz UniversityUnknownPolycystic Ovary SyndromeSaudi Arabia
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Brigham and Women's HospitalNational Center for Maternal and Child Health Research, Mongolia; Zuun Kharaa...CompletedVitamin D Deficiency | PregnancyMongolia
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Medical University of ViennaUnknownVitamin D Deficiency | Kidney Transplantation | Renal OsteodystrophyAustria
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Medical University of South CarolinaGrassroots Health Nutrition Institute; ZRT LaboratoryActive, not recruitingCOVID-19 | Vitamin D Deficiency | Respiratory Viral InfectionUnited States
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Emory UniversityCompletedCystic Fibrosis | DysbiosisUnited States
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Brigham and Women's HospitalNational Heart, Lung, and Blood Institute (NHLBI); National Center for Complementary... and other collaboratorsUnknown
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King Faisal Specialist Hospital & Research CenterTerminatedDiabetes Mellitus | Vitamin D DeficiencySaudi Arabia
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Indonesia UniversityCompleted
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Boston UniversityCompleted
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University Hospitals Cleveland Medical CenterEmory UniversityCompleted
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St. Justine's HospitalCanadian Institutes of Health Research (CIHR)Completed
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University of Wisconsin, MadisonNational Institutes of Health (NIH); National Institute on Aging (NIA)Completed
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Brigham and Women's HospitalNational Cancer Institute (NCI); National Heart, Lung, and Blood Institute... and other collaboratorsActive, not recruiting
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Medical University of South CarolinaEunice Kennedy Shriver National Institute of Child Health and Human Development... and other collaboratorsCompleted
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Brigham and Women's HospitalNational Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)Active, not recruitingBody Composition | Bone Density | Bone HealthUnited States
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Brigham and Women's HospitalNational Heart, Lung, and Blood Institute (NHLBI)Active, not recruiting
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University of California, San FranciscoCompletedUlcerative Colitis (UC) | Crohn's Disease (CD)United States
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Chinese University of Hong KongRecruitingSpinal Diseases | Scoliosis | Spinal Curvatures | Vitamin D | Bone HealthHong Kong