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Clinical Trials on Vitamin D Supplement in United States
Total 520 results
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MicrophytTexas A&M UniversityCompletedBody Weight Changes | Exercise | Overweight and Obesity | Healthy Lifestyle | Dietary SupplementUnited States
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Arizona State UniversitySouthwest College of Naturopathic MedicineCompleted
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University of Alabama at BirminghamCompletedUrinary Incontinence | Vitamin D DeficiencyUnited States
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National Institute of Dental and Craniofacial Research...TerminatedOsteomalaciaUnited States
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Columbia UniversityNational Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)WithdrawnPrimary Hyperparathyroidism | Vitamin D Deficiency | Osteoporosis | Osteopenia | HypercalcemiaUnited States
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Johns Hopkins UniversityNational Institute on Drug Abuse (NIDA)Completed
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Texas A&M UniversityUnknownCognitive Change | Nutritional Anemia | Diet, Healthy | Nutrient Deficiency | Diet; Deficiency | Visual Spatial Processing | Dietary Deficiency | Dietary B12 Deficiency | Dietary Zinc Deficiency | Dietary Vitamin B12 Deficiency Anemia | Dietary Deficiency of Selenium and Vitamin EUnited States
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University of EdinburghCompleted
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Johns Hopkins All Children's HospitalCompletedVitamin D DeficiencyUnited States
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Washington University School of MedicineNational Heart, Lung, and Blood Institute (NHLBI); American Diabetes AssociationCompletedHypertension | Cardiovascular Disease | Type 2 Diabetes Mellitus | Vitamin D Deficiency | Insulin ResistanceUnited States
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University of California, San FranciscoCompleted
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University of ChesterMedical Research CouncilCompletedVitamin D Deficiency | Iron Deficiency | Anemia; Deficiency, Nutritional, With Poor Iron AbsorptionUnited Kingdom
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Wake Forest University Health SciencesCompletedLow 25-hydroxyvitamin D ConcentrationsUnited States
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Gilead SciencesRecruitingChronic Hepatitis D InfectionUnited States
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University of Southern CaliforniaTerminated
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OPKO Health, Inc.CompletedChronic Kidney Disease | Secondary Hyperparathyroidism | Vitamin D InsufficiencyUnited States
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Mayo ClinicNational Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) and other collaboratorsEnrolling by invitationOsteopenia | Metabolic Bone Disease | Neonatal RicketsUnited States
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Ohio State UniversityCompletedAnemia | Type 2 Diabetes | Neuropathy | Vitamin B12 DeficiencyUnited States
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Johns Hopkins UniversityNational Institutes of Health (NIH)Not yet recruitingTHC | Subjective Drug Effects | D-limoneneUnited States
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Northwell HealthCompletedType 2 Diabetes Mellitus | Vitamin B12 DeficiencyUnited States
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Yale UniversityNational Center for Research Resources (NCRR)CompletedVitamin D Deficiency | Polycystic Ovarian SyndromeUnited States
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Emory UniversityCompleted
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University of California, San FranciscoNational Institute of Diabetes and Digestive and Kidney Diseases (NIDDK); Tufts... and other collaboratorsCompletedVitamin B1 Deficiency | Thiamine DeficiencyUnited States
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National Institute of Dental and Craniofacial Research...TerminatedOncogenic Osteomalacia | Tumor-Induced OsteomalaciaUnited States
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Virginia Commonwealth UniversityCSL BehringCompletedHemophilia A | Hemophilia B | Vitamin D DeficiencyUnited States
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USDA, Western Human Nutrition Research CenterCompletedBioavailability of Vitamin B12 From Chicken EggsUnited States
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Asian Pacific Liver Center at Coalition of Inclusive...Gilead SciencesNot yet recruitingChronic Hepatitis D Infection With Hepatitis BUnited States
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Yale UniversityNational Center for Advancing Translational Sciences (NCATS)SuspendedRickets | Hypophosphatemia | Hypercalciuria | XLH | HHRHUnited States
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Joslin Diabetes CenterAbbottCompletedVitamin D Deficiency | Chronic Kidney Disease | Coronary Calcification | Disorders of Calcium and Bone MetabolismUnited States
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University of Massachusetts, WorcesterCompletedVitamin D Deficiency | Type 2 Diabetes | Nonalcoholic Fatty Liver DiseaseUnited States
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Wake Forest University Health SciencesNational Cancer Institute (NCI)RecruitingVitamin D Deficiency | Triple Negative Breast Cancer | Invasive Breast CancerUnited States
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Quadram Institute BioscienceNorfolk and Norwich University Hospitals NHS Foundation TrustEnrolling by invitationIron Deficiency (Without Anemia) | B12 Deficiency VitaminUnited Kingdom
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National Institute of Diabetes and Digestive and...CompletedHypocalcemia | Rickets | Osteomalacia | Pseudohypoparathyroidism | PseudopseudohpoparathyroidismUnited States
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University of PennsylvaniaCompleted
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OPKO IP Holdings II, Inc.CompletedVitamin D Deficiency | Chronic Kidney Disease | Hyperparathyroidism, SecondaryUnited States
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OPKO IP Holdings II, Inc.CompletedVitamin D Deficiency | Chronic Kidney Disease | Hyperparathyroidism, SecondaryUnited States
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Sequenom, Inc.NAFTNetCompleted
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University of ChesterCompletedInflammation | Vitamin D Deficiency | Asthma | Nutritional DeficiencyUnited Kingdom
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University of WashingtonNational Institute of General Medical Sciences (NIGMS)Terminated
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Thomas Jefferson UniversityAbbottTerminatedCoronary Artery Disease | Chronic Kidney Disease | Secondary Hyperparathyroidism | Hypovitaminosis DUnited States
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Avera McKennan Hospital & University Health CenterWithdrawnChronic Hepatitis CUnited States
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University of GeorgiaGeorgia Commodity Commission for Pecans; American Pecan CounselRecruitingChange in Plasma Urolithins and Vitamin E After Pecan ConsumptionUnited States
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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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Keesler Air Force Base Medical CenterCompletedVitamin B12 DeficiencyUnited States
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Central DuPage HospitalZimmer Biomet; Halifax Biomedical Inc.UnknownRadiostereometric Analysis | Vitamin E Liner | Zimmer® Continuum® Acetabular CupUnited States
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Ultragenyx Pharmaceutical IncActive, not recruitingTumor-induced Osteomalacia (TIO)United States, Argentina
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IDeA States Pediatric Clinical Trials NetworkNational Institutes of Health (NIH)CompletedVitamin D Deficiency | Asthma | Pediatric ObesityUnited States
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Salem Veterans Affairs Medical CenterAbbottCompletedChronic Kidney Disease | Secondary HyperparathyroidismUnited States
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Tameside General HospitalCompletedCOVID-19 | Vitamin D DeficiencyUnited Kingdom
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University of SurreyCompletedSerum 25-hydroxyvitamin D Concentrations (25OHD)United Kingdom