- ICH GCP
- US Clinical Trials Registry
- Search trials
Search clinical trials for: vitamin D3, 25 OH vitamin D3 level
Total 77254 results
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Andrea BranchUnknownHepatocellular Carcinoma | Vitamin D DeficiencyUnited States
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Emory UniversityNational Cancer Institute (NCI); National Institutes of Health (NIH)CompletedColorectal Adenomatous PolypsUnited States
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Memorial Sloan Kettering Cancer CenterNational Cancer Institute (NCI)CompletedLymphoma | Leukemia | Anemia | Multiple Myeloma and Plasma Cell NeoplasmUnited States
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Merck KGaA, Darmstadt, GermanyMerck Serono S.A.S, FranceCompleted
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Changhua Christian HospitalCompleted
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University of California, Los AngelesNational Institute on Drug Abuse (NIDA)TerminatedCognitive Function | Methamphetamine Abuse | Dopamine D2/3 Receptor AvailabilityUnited States
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University of TorontoUnknownThe Focus is to Assess 25-hydroxyvitamin D Levels and Well-beingCanada
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Yale UniversityUniversity of PennsylvaniaRecruitingOpioid Use DisorderUnited States
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University of ZurichCharite University, Berlin, Germany; University of Sheffield; University of Basel and other collaboratorsCompletedImprove Healthy Ageing in Seniors; Prevent Disease at Older AgeGermany, Switzerland, Austria, France, Portugal
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Academisch Medisch Centrum - Universiteit van Amsterdam...CompletedCrohn's DiseaseNetherlands
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Saiful Anwar HospitalCompleted
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University of TorontoMultiple Sclerosis Society of Canada; Direct MS-Proactive CharityCompletedMultiple SclerosisCanada
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Semmelweis UniversityPharma Patent Kft.CompletedVitamin D DeficiencyHungary
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University of AarhusCompletedVitamin D DeficiencyDenmark
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Ortho Biotech Products, L.P.CompletedLeukemia | Anemia | Hodgkin Disease | Lymphoma, Non-hodgkin
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University of Wisconsin, MadisonNational Institutes of Health (NIH); National Institute on Aging (NIA)Completed
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Bo FengCompletedQuality of Life | Complications | Pathology | Operation Finding | Neoplasms RecurrenceChina
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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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University of ManitobaCanada Manitoba Agri-Food Research and Development InitiativeWithdrawn
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NYU Langone HealthColumbia University; Stanley Medical Research InstituteWithdrawnSchizophrenia | Schizoaffective DisorderUnited States
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Coordinación de Investigación en Salud, MexicoCompletedVitamin D Deficiency | Scleroderma, SystemicMexico
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Federal University of Rio Grande do SulHospital de Clinicas de Porto Alegre; Conselho Nacional de Desenvolvimento...CompletedVitamin D Deficiency
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Oklahoma State UniversityCompletedVitamin D DeficiencyEthiopia
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Emory UniversityChildren's Healthcare of AtlantaCompletedChronic Kidney DiseaseUnited States
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University of FaisalabadCompletedDry Eye Syndromes | Hypovitaminosis DPakistan
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University of GuadalajaraCompletedDiabetes Mellitus, Type 2 | Insulin Resistance | Bone LossMexico
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Bangabandhu Sheikh Mujib Medical University, Dhaka...RecruitingDengue FeverBangladesh
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Bumi HermanCompleted
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Anhui Medical UniversityRecruiting
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Ludwig-Maximilians - University of MunichBayer; Roche Pharma AGActive, not recruiting
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Alborz Medical UniversityUniversiti Putra MalaysiaCompletedVitamin D Supplementation on Metabolic Syndrome Indicators Among Older Adults, Alborz Province, IranHypertension | Diabetes Mellitus | Vitamin D Deficiency | Lipid Metabolism Disorders | Obesity, AbdominalIran, Islamic Republic of
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University of MichiganCompleted
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Applied Science Private UniversityCompleted
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King Abdulaziz UniversityUnknownPolycystic Ovary SyndromeSaudi Arabia
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University of California, San DiegoThrasher Research FundCompleted
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Universal Adherence LLCNational Eye Institute (NEI); National Institutes of Health (NIH); Oregon State...CompletedGlaucoma | Medication AdherenceUnited States
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Federal University of ParaíbaUnknown
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University College CorkIrish Government Department of Agriculture, Food and Fisheries, IrelandCompletedVitamin D Deficiency | Vitamin D InsufficiencyIreland
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GlaxoSmithKlineCompletedSports Nutritional SciencesUnited Kingdom
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Academisch Ziekenhuis MaastrichtHorizon 2020 - European CommissionNot yet recruitingCoronary Artery Disease | Carotid Artery Disease
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Liaquat University of Medical & Health SciencesCompleted
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Tufts UniversityNational Institute on Aging (NIA); Boston Medical CenterCompletedSarcopenia | FallsUnited States
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Winthrop University HospitalCompletedViral Upper Respiratory Tract Infection
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Jewish General HospitalCompletedRenal Insufficiency, Chronic | Bone Diseases, Metabolic | Vascular StiffnessCanada
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Mayo ClinicNational Center for Research Resources (NCRR); Thrasher Research FundCompleted
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Agricultural University of AthensCompletedAcute Effects of Juice Consumption With Biofunctional Compounds and Probiotics on Glucose MetabolismAppetite Disorders | Potential Abnormality of Glucose ToleranceGreece
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GlaxoSmithKlineCompletedSubstance DependenceUnited Kingdom
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Agricultural University of AthensCompletedSubjective AppetiteGreece
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University of OuluActive, not recruitingLung Diseases | Bone Diseases, Metabolic | Heart Rate Variability | Prematurity | Vitamin D3 Deficiency | Stress PhysiologyFinland