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- US Clinical Trials Registry
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Search clinical trials for: vitamin A supplements
Total 38306 results
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Vanderbilt UniversityCompleted
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Beth Israel Deaconess Medical CenterUniversity of Aarhus; American Heart AssociationCompletedCoronary Artery Bypass | Cardiac Surgical ProceduresUnited States
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Thomas Jefferson UniversityRothman Institute OrthopaedicsTerminated
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Kasr El Aini HospitalUnknownVitamin D Intake in First Trimester and Incidence of Gestational Diabetes RecurrenceEgypt
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City University of New YorkMaimonides Medical CenterRecruitingNutrition, Healthy | Lactation Disorder - Postpartum Condition or ComplicationUnited States
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Hillel Yaffe Medical CenterUnknown
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Alkeus Pharmaceuticals, Inc.RecruitingStargardt Disease | Stargardt Macular Degeneration | Stargardt Macular Dystrophy | Autosomal Recessive Stargardt Disease 1 (ABCA4-related)United States
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University of California, DavisAmpHP, IncRecruitingExercise | Dietary Supplements | Connective TissueUnited States
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University College DublinSmartfish ASUnknown
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Children's Hospital Medical Center, CincinnatiCompletedHematopoietic Stem Cell TransplantUnited States
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Tor A. StrandThrasher Research Fund; Society for Essential Health Action and Training, New...Completed
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Institute of Child HealthCompleted
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British Columbia Cancer AgencyNational Cancer Institute (NCI)CompletedLung Cancer | Precancerous ConditionCanada
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Columbia UniversityNational Institute of Allergy and Infectious Diseases (NIAID)Completed
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Mclean HospitalRecruitingStress | Depression, Anxiety | Bipolar I DisorderUnited States
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University College DublinUniversity of UlsterCompleted
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Catholic University of the Sacred HeartUnknownPolycystic Ovary SyndromeItaly
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Hospital Clinic of BarcelonaAbbottTerminated
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Chemist Confessions, Inc.CitruslabsCompletedAging | WrinkleUnited States
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National Nutrition and Food Technology InstituteCompleted
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Indiana UniversityWithdrawnArthritis, Rheumatoid | Vitamin D DeficiencyUnited States
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Northwestern UniversityTerminatedVitamin D for Women at Increased Risk of Developing Ovarian, Fallopian, or Primary Peritoneal CancerOvarian Cancer | Fallopian Tube Cancer | Primary Peritoneal CancerUnited States
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Johns Hopkins Bloomberg School of Public HealthUniversity of California, Davis; Newcastle University; HarvestPlusCompletedVitamin A DeficiencyZambia
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Harvard School of Public Health (HSPH)Muhimbili University of Health and Allied SciencesCompletedHIV Infections | Disease Transmission, VerticalUnited States
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Khyber Medical University PeshawarCompleted
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University Department of Geriatric Medicine FELIX...Not yet recruitingFrailty | Sarcopenia | Malnutrition; Protein
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Fresenius Medical Care North AmericaMedical Nutrition USA, Inc.Terminated
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Taichung Veterans General HospitalCompleted
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The Canadian College of Naturopathic MedicineCentre for Addiction and Mental Health; Health Canada; SickKids FoundationCompletedAttention Deficit Hyperactivity DisorderCanada
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Lo.Li.Pharma s.r.lCompleted
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University of La VerneCompletedObesity | Metabolic SyndromeUnited States
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Michael DonninoNational Heart, Lung, and Blood Institute (NHLBI)Terminated
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Dwight OwenRecruitingMetastatic Lung Non-Small Cell Carcinoma | Stage IVA Lung Cancer AJCC v8 | Stage IVB Lung Cancer AJCC v8 | Stage IV Lung Cancer AJCC v8 | Recurrent Lung Non-Small Cell CarcinomaUnited States
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A. Menarini Industrie Farmaceutiche Riunite S.r.l.Completed
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University of WashingtonNational Center for Complementary and Integrative Health (NCCIH)CompletedCardiovascular Disease | Atherosclerosis | End Stage Renal Disease | Oxidative StressUnited States
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Rabin Medical CenterUnknown
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Pauls Stradins Clinical University HospitalCompletedCOVID-19 | Vitamin D DeficiencyLatvia
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Alkeus Pharmaceuticals, Inc.CompletedAge-related Macular Degeneration | Stargardt Disease | Other Retinal Dystrophies
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University of HelsinkiPäivikki and Sakari Sohlberg Foundation, Finland; Lilly FoundationCompleted
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Kilo HealthCitruslabsActive, not recruitingWeight Loss | Metabolism | Energy | Gut HealthUnited States
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McGill UniversityRéseau québécois de recherche sur le vieillissement; MUHC-Montreal General...Completed
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Physicians Committee for Responsible MedicineCompleted
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Ioannis K. Triantafyllopoulos, MD,MSci,PhDCompletedOsteopenia | Postmenopausal Osteopenia
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Xiaodong ZhouCompletedPrimary Open-angle Glaucoma
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University of California, DavisJohns Hopkins University; Tropical Diseases Research Centre, ZambiaCompletedVitamin A DeficiencyZambia
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M.D. Anderson Cancer CenterRoche Pharma AGCompletedHematological MalignanciesUnited States
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St. Mary's University, TwickenhamRecruiting
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4Life Research, LLCCompletedSleep Quality | Sleep HealthUnited States
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Applied Science Private UniversityCompleted