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- US Clinical Trials Registry
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Search clinical trials for: 25 Hydroxy- Vitamin D3 [25 (OH) D3]
Total 891 results
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Pontificia Universidad Catolica de ChileHarvard Medical School (HMS and HSDM); Fuerza Aérea de Chile; Instituto Antártico...Completed
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Rockefeller UniversityCompletedVitamin D DeficiencyUnited States
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James J. Peters Veterans Affairs Medical CenterCompletedVitamin D Deficiency | Spinal Cord InjuryUnited States
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University of Missouri-ColumbiaCompletedInsulin ResistanceUnited States
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Ottawa Hospital Research InstituteCanadian Breast Cancer FoundationCompleted
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University of ZurichBoston University; Tufts University; Harvard School of Public Health (HSPH)Completed
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Martin-Luther-Universität Halle-WittenbergGerman Federal Ministry of Education and ResearchCompletedDeficiency of Vitamin D3Germany
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Atlanta VA Medical CenterEmory UniversityCompletedKidney DiseaseUnited States
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PfizerCompletedHepatic Impairment | Healthy ParticipantsCzechia, Slovakia, Belgium
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Ain Shams UniversityNot yet recruitingVitamin D Deficiency
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Ain Shams UniversityCompleted
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Beni-Suef UniversityRecruiting
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Queen's University, BelfastNorthern Ireland Chest Heart and Stroke; HSC Research & Development Division... and other collaboratorsCompletedInsulin Resistance | Pre-diabetes | Sub-optimal Vitamin D StatusUnited Kingdom
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Queen Mary University of LondonUniversity of Cape TownCompletedLatent TuberculosisSouth Africa
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University of AarhusAarhus University Hospital; Herning Hospital; Regionshospitalet Viborg, Skive; Regionshospitalet... and other collaboratorsCompleted
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Applied Science Private UniversityCompleted
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Coordinación de Investigación en Salud, MexicoCompletedVitamin D Deficiency | Scleroderma, SystemicMexico
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Dr Mustahsin KhalilKing Edward Medical UniversityCompletedCritically IllPakistan
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University of PittsburghNational Heart, Lung, and Blood Institute (NHLBI); Office of Dietary Supplements...Completed
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Massachusetts General HospitalNational Heart, Lung, and Blood Institute (NHLBI)CompletedCritical Illness | Vitamin D Deficiency | Acute Respiratory Distress SyndromeUnited States
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Children's Hospital of Eastern OntarioMcGill University; Ottawa Hospital Research Institute; The Ottawa Hospital; Children...CompletedVitamin D Deficiency | Heart Defects, Congenital | Thoracic Surgery | Pediatric DisordersCanada
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HealthPartners InstituteUniversity of Southern California; University of MinnesotaCompletedJoint Pain | Muscle PainUnited States
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Bronx Psychiatric CenterCompletedSchizophrenia | Schizoaffective DisorderUnited States
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Tianjin Medical University Cancer Institute and...Unknown
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CHU de Quebec-Universite LavalQuebec Breast Cancer FoundationCompleted
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Johannes Gutenberg University MainzGerman Federal Ministry of Education and ResearchTerminated
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Baqai Institute of Diabetology and EndocrinologyCompletedDiabetic Neuropathy
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Pontificia Universidad Catolica de ChileCompletedAtopic DermatitisChile
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University of ChicagoNorth Shore University HospitalWithdrawnUlcerative Colitis | Inflammatory Bowel DiseaseUnited States
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Emory UniversityCompleted
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Tufts UniversityBoston University; National Heart, Lung, and Blood Institute (NHLBI); Boston... and other collaboratorsCompletedVitamin D DeficiencyUnited States
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Winthrop University HospitalCompletedObesityUnited States
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Medical University of GrazCompleted
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University of TorontoMultiple Sclerosis Society of Canada; Direct MS-Proactive CharityCompletedMultiple SclerosisCanada
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Helsinki University Central HospitalUniversity of HelsinkiCompleted
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Inventprise Inc.PATH; Canadian Center for Vaccinology; Vaccine Evaluation Center, CanadaCompletedPneumococcal VaccinesCanada
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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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Medical University of GrazCompleted
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University of Kansas Medical CenterCompletedEnd-stage Renal Disease (ESRD) | Chronic Kidney Disease (CKD)United States
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Mayo ClinicAndersen FoundationCompletedCancerUnited States
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AIDS Clinical Trials GroupNational Institute of Allergy and Infectious Diseases (NIAID)CompletedHIV-1 InfectionUnited States, Puerto Rico
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Helsinki University Central HospitalCompleted
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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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Beni-Suef UniversityRecruitingPeriodontal HealthEgypt
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Ayub Teaching HospitalLiaquat University of Medical & Health SciencesNot yet recruiting
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Medical University of GrazMedical University of Vienna; University Hospital, Essen; Goethe University; Guy... and other collaboratorsRecruitingCritical Illness | Covid19 | Vitamin D DeficiencyAustria, Belgium
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Florence Nightingale Hospital, IstanbulCompletedVitamin D Deficiency | Chemotherapy Effect | PathologyTurkey
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Combined Military Hospital AbbottabadCompletedCutaneous WartsPakistan
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Emory UniversityTerminatedHIV/AIDS | Vitamin D Deficiency | Smoker LungUnited States
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UConn HealthNovartisTerminatedHypertension | Vitamin D DeficiencyUnited States