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- US Clinical Trials Registry
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Search clinical trials for: vitamin A supplements
Total 38419 results
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Ibn Sina HospitalBanoon IVF Center; Qena Fertility CenterCompleted
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Centre Hospitalier Departemental VendeeCompleted
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Cairo UniversityNot yet recruitingIntrabony Periodontal DefectEgypt
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Ionis Pharmaceuticals, Inc.CompletedHealthy Volunteers | hATTR AmyloidosisCanada
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University of PalermoRecruiting
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Universidade do PortoCompletedSpinal Cord InjuriesPortugal
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Ibn Sina HospitalBanoon IVF CenterCompleted
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Danbury HospitalPrograde NutritionCompletedType II Diabetes MellitusUnited States
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University of North Carolina, Chapel HillNational Center for Complementary and Integrative Health (NCCIH)RecruitingChronic Pain | Burn InjuryUnited States
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Kyowa Kirin, Inc.Kyowa Kirin Co., Ltd.CompletedX-Linked HypophosphatemiaKorea, Republic of, Canada, United States, Australia, Japan, United Kingdom, Sweden
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James RubensteinNational Cancer Institute (NCI)RecruitingPrimary CNS LymphomaUnited States
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Ibn Sina HospitalCompleted
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University of ZurichCompletedPulmonary Arterial and Chronic Thromboembolic Pulmonary Hypertension | Chronic Cardiorespiratory DiseaseSwitzerland
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Eli Lilly and CompanyCompletedOsteoporosis, PostmenopausalUnited States, Belgium, Canada, Austria, Czech Republic, Denmark, Netherlands, New Zealand, Sweden, Finland, Argentina, Australia, Hungary, Israel, Italy, Norway, Poland
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University Hospital TuebingenSymbioPharm GmbHUnknownIrritable Bowel Syndrome | Functional Abdominal Pain SyndromeGermany
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University College DublinUniversity of Dublin, Trinity College; St. James's Hospital, Ireland; The Adelaide... and other collaboratorsCompletedObesity | OverweightIreland
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Lo.Li.Pharma s.r.lRecruiting
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American University of Beirut Medical CenterRecruitingInfertility | SterilityLebanon
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University of ChicagoCompleted
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AGUNCO Obstetrics and Gynecology CentreSan Raffaele University Hospital, Italy; Research Center for Reproductive Medicine...Completed
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Oregon Health and Science UniversityCompletedTrifunctional Protein Deficiency | Very Long Chain Acyl Coa Dehydrogenase Deficiency | Long-chain 3-hydroxyacyl-CoA Dehydrogenase Deficiency | Carnitine Palmitoyltransferase Deficiency 2United States
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University of Southern CaliforniaInterHealth Nutraceuticals, Inc.TerminatedObesity | Diabetes Mellitus, Type 2United States
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Quadram Institute BioscienceUniversity of Sheffield; Food Standards Agency, United KingdomCompleted
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Hospital de MataróNutricia ResearchRecruitingStroke | Oropharyngeal Dysphagia | Swallowing DisorderSpain
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City University of New YorkMaimonides Medical CenterRecruitingPregnancy Related | Nutrition, HealthyUnited States
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Haukeland University HospitalThe Research Council of Norway; The Royal Norwegian Ministry of Health; Norwegian... and other collaboratorsCompletedMyocardial Infarction | Coronary Artery Disease | Cerebrovascular StrokeNorway
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Shanghai JMT-Bio Inc.Active, not recruitingGiant Cell Tumor of BoneChina
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University Hospital, AngersCompleted
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The Cleveland ClinicCompletedGastroenteritis | Common ColdUnited States
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University of AthensUnknownObstructive Sleep Apnea SyndromeGreece
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TCI Co., Ltd.CompletedVitamin C DeficiencyTaiwan
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Women's Hospital School Of Medicine Zhejiang UniversityQuzhou Maternal and Child Health Care HospitalCompletedGestational Diabetes Mellitus in PregnancyChina
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McGill University Health Centre/Research Institute...Terminated
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National Cancer Institute (NCI)Not yet recruitingProstate AdenocarcinomaUnited States
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King George's Medical UniversityUnited States Agency for International Development (USAID)Completed
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Oxford Brookes UniversityUniversity of Oxford; HM Prison and Probation Service, United Kingdom; Ministry... and other collaboratorsRecruitingVitamin D Deficiency | Depression, Anxiety | Behavior | Bone Density, Low | Mental WellbeingUnited Kingdom
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Research Center, LLCCompletedErectile DysfunctionRussian Federation
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Institute of Liver and Biliary Sciences, IndiaWithdrawnNon Alcoholic SteatohepatitisIndia
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Augusta UniversityYale University; University of Alabama at Birmingham; Tufts UniversityUnknownObesity | Insulin Resistance | Insulin Sensitivity | Prediabetes | Beta-Cell DysfunctionUnited States
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Azienda Ospedaliera Universitaria Integrata VeronaNot yet recruitingObesity | Insulin Resistance | Dyslipidemias | Prediabetic State
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Universitair Ziekenhuis BrusselUnknown
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Topcon Medical Systems, Inc.Terminated
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Show Chwan Memorial HospitalCompletedSpinal Fusion | Vitamin D | Lumbar Spine DiseaseTaiwan
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Maastricht University Medical CenterZonMw: The Netherlands Organisation for Health Research and DevelopmentUnknown
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Aga Khan UniversityCompleted
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Indiana UniversityTerminated
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University of MessinaUnknownMetabolic SyndromeItaly
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Reproductive Partners Medical GroupTerminated
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Ataturk UniversityScientific Research Fund of Atatürk UniversityCompleted