Clinical Trials on Vitamin A Deficiency
Total 13748 results
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Cornell UniversityCenters for Disease Control and Prevention; St. John's Research Institute; Arogyavaram...Active, not recruiting
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University of Wisconsin, MadisonCompletedVitamin A Status With Maize Feeding
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Ethiopian Public Health InstituteInternational Atomic Energy AgencyCompletedVitamin A DeficiencyEthiopia
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Instituto Materno Infantil Prof. Fernando FigueiraCompletedVitamin A Deficiency | HypovitaminosisBrazil
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Centre for Food and Nutrition Research, YaoundeInternational Atomic Energy AgencyCompleted
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Cornell UniversityCenters for Disease Control and Prevention; Arogyavaram Medical CentreActive, not recruitingAnemia | Vitamin B 12 Deficiency | Folate DeficiencyIndia
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Cairo UniversityCompletedImplant Stability With Vitamin D DeficiencyEgypt
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Ministry of Health, Saudi ArabiaCompletedEarly Childhood Caries, Vitamin D DeficiencySaudi Arabia
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Second Affiliated Hospital, School of Medicine,...UnknownVitamin A Deficiency | Preeclampsia | Vitamin E DeficiencyChina
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Medical University of GrazCompletedHealthy | Oxidative Stress | Vitamin B 12 Deficiency | Polyphenols | Thiamine and Niacin Deficiency States | Pyridoxine Deficiency | Folic Acid Deficiency Anemia, Dietary | Peroxidase; Defect | Homocystine; Metabolic DisorderAustria
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Rijnstate HospitalCompletedVitamin D Deficiency in Older PersonsNetherlands
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Martin-Luther-Universität Halle-WittenbergGerman Federal Ministry of Education and ResearchCompletedDeficiency of Vitamin D3Germany
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Ohio State UniversityCompletedAnemia | Type 2 Diabetes | Neuropathy | Vitamin B12 DeficiencyUnited States
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Nutrition Institute, SloveniaNational Institute of Public Health, Slovenia; University Medical Centre Ljubljana and other collaboratorsEnrolling by invitationObesity | Iron-deficiency | Vitamin D Deficiency | Nutritional Status | Sarcopenia | Vitamin B 12 Deficiency | Folic Acid Deficiency | Diet | Nutrient Deficiency | Micronutrient Deficiency | Protein DeficiencySlovenia
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Universität des SaarlandesInstitute of Alternative and Sustainable Nutrition (IFANE)CompletedCobalamin DeficiencyGermany
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SEAMEO Regional Centre for Food and NutritionLondon School of Hygiene and Tropical Medicine; University College, London; University... and other collaboratorsRecruitingProtozoan Infections | Birth Weight | Weight Gain | Vitamin A Deficiency | Folate Deficiency | Zinc Deficiency | Child Development | Salmonella Infections | Anemia, Iron Deficiency | Fatty Acid Deficiency | Birth Length | B12 Deficiency Vitamin | Mineral Deficiency | E. Coli Infection | Shigella Infection | Amino Acid Deficiency and other conditionsIndonesia
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Children's Hospital of PhiladelphiaPenn State University; Newcastle UniversityCompletedSickle Cell Anemia in Children | Vitamin A Deficiency in ChildrenUnited States
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University of Wisconsin, MadisonCompletedVitamin D Deficiency | Vitamin D InadequacyUnited States
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University of Wisconsin, MadisonCompletedVitamin D Deficiency | Vitamin D InsufficiencyUnited States
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Boston UniversityCompletedVitamin D Deficiency | Vitamin D InsufficiencyUnited States
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Johns Hopkins UniversityBariatric AdvantageTerminatedVitamin D Deficiency | Vitamin D InsufficiencyUnited States
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University of California, San FranciscoCompleted
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Meir Medical CenterTerminated
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Johns Hopkins Bloomberg School of Public HealthTropical Diseases Research Centre, Zambia; HarvestPlus; Canadian International... and other collaboratorsCompletedVitamin A Deficiency | Low Serum RetinolZambia
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Boston UniversityCompletedVitamin D Deficiency | Vitamin D InsufficiencyUnited States
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University College CorkIrish Government Department of Agriculture, Food and Fisheries, IrelandCompletedVitamin D Deficiency | Vitamin D InsufficiencyIreland
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University of Colorado, DenverNational Center for Research Resources (NCRR)CompletedVitamin D Deficiency | Vitamin D InsufficiencyUnited States
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Eisai Co., Ltd.CompletedDementia With Vitamin B12 DeficiencyChina
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Newcastle-upon-Tyne Hospitals NHS TrustNewcastle University; DSM Nutritional Products, Inc.CompletedVitamin A Deficiency | Beta-carotene BioavailabilityUnited Kingdom
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University of Colorado, DenverInternational Centre for Diarrhoeal Disease Research, BangladeshCompletedEnvironmental Enteric Dysfunction | Vitamin A Deficiency | Zinc DeficiencyUnited States, Bangladesh
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Medical University of BialystokLomza State University of Applied Sciences; International Science & Health... and other collaboratorsRecruitingVitamin D3 | Fracture Healing | Deficiency of Vitamin K2Poland
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University of South FloridaCompletedVitamin D 25 OH DeficiencyUnited States
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Jewish General HospitalCompletedVitamin D Deficiency | Vitamin C DeficiencyCanada
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USDA, Western Human Nutrition Research CenterInternational Centre for Diarrhoeal Disease Research, Bangladesh; World Health...CompletedVitamin A DeficiencyBangladesh
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Amsterdam UMC, location VUmcEuropean UnionUnknownVitamin D Deficiency | Vitamin; Excess Vitamin D (Nutritional)
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Medical University of ViennaCompletedObesity, Morbid | Bariatric Surgery Candidate | Vitamin B 12 Deficiency | Folate Deficiency | Homocystine; Metabolic DisorderAustria
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Sheba Medical CenterCompleted
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Dong-A UniversityCompletedVitamin D Deficiency | Vitamin D Insufficiency | Hemodialysis PatientsKorea, Republic of
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University of FloridaCompletedVitamin D Deficiency (10 ng/mL to 30 ng/mL)United States
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University GhentInstitut de Recherche en Sciences de la Sante, Burkina Faso; Addis Ababa University and other collaboratorsRecruitingDepressive Symptoms | Vitamin B 12 Deficiency | Folate Deficiency | Cognitive Development | Anemia, MegaloblasticEthiopia
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Purdue UniversityCompletedIron-deficiency | Vitamin A DeficiencyKenya
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Johns Hopkins Bloomberg School of Public HealthUnited States Agency for International Development (USAID); Bill and Melinda... and other collaboratorsCompletedHIV | Vitamin A Deficiency
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Purdue UniversityCompletedIron-deficiency | Vitamin A DeficiencyNiger
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Purdue UniversityCompletedIron-deficiency | Vitamin A DeficiencySenegal
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Cornell UniversityArogyavaram Medical Centre; SNDT Women's UniversityActive, not recruitingIron Deficiency | Vitamin A Deficiency | Zinc DeficiencyIndia
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Hospices Civils de LyonRecruitingDeficiency, Vitamin CFrance
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BayerActive, not recruitingPrevention of Vitamin Deficiency During and/or Before PregnancyRussian Federation, Kazakhstan, Uzbekistan
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Faes Farma, S.A.CompletedVitamin D Deficiency | Vitamin D InsufficiencySpain, France, Bulgaria, Czechia, Italy, Serbia, Slovakia
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TakedaCompletedCalcium and Vitamin D DeficienciesUnited Kingdom, Germany
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Gary M Brittenham, MDActive, not recruitingRespiratory Tract Infections | Respiratory Tract Diseases | Respiration Disorders | Lung Diseases | Nutrition Disorders | Vitamin D Deficiency | Asthma | Sickle Cell Disease | Anemia, Sickle Cell | Anemia, Hemolytic, Congenital | Acute Chest Syndrome | Deficiency Diseases VitaminUnited States