Clinical Trials on Vitamin A Deficiency
Total 13736 results
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SourseCitruslabsActive, not recruitingMood | Energy Supply; Deficiency | B12 Deficiency VitaminUnited States
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Boston UniversityCompletedVitamin D Deficiency | Vitamin E Deficiency | Hypovitaminosis AUnited 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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Kansas State UniversityNational Institute for Medical Research, Tanzania; United States Department... and other collaboratorsCompletedAnemia, Iron-Deficiency | Deficiency, Vitamin A
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Newcastle UniversityBill and Melinda Gates Foundation; Institute of Nutrition of Central America... and other collaboratorsUnknownVitamin A Deficiency | Vitamin A Toxicity | Hypervitaminosis AGuatemala, United Kingdom
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Fatih Sultan Mehmet Training and Research HospitalActive, not recruitingVitamin D Deficiency | Lipedema | B12 Deficiency VitaminTurkey
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Nottingham University Hospitals NHS TrustNorthern Care Alliance NHS Foundation Trust; Barts & The London NHS Trust; University... and other collaboratorsNot yet recruitingParesthesia | Neurologic Symptoms | B12 Deficiency Vitamin | Nitrous Oxide Abuse | Subacute Combined Cord Degeneration
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University of Wisconsin, MadisonNational Institute on Deafness and Other Communication Disorders (NIDCD)CompletedVitamin A Deficiency | Vitamin A ToxicityUnited States
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University of California, DavisPenn State University; University of Ghana; Newcastle University; Helen Keller...CompletedAnemia | Dietary Habits | Iron Deficiency | Vitamin A Deficiency | Vitamin B 12 Deficiency | Folate Deficiency | Zinc DeficiencyGhana
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Malaysia Palm Oil BoardUniversity of MalayaUnknownVitamin A Deficiency in ChildrenMalaysia
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University of California, DavisPenn State University; University of Ghana; Newcastle University; Helen Keller...Active, not recruitingIron-deficiency | Anemia | Vitamin A Deficiency | Vitamin B 12 Deficiency | Folate Deficiency | Zinc DeficiencyGhana
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Nutrition Institute, SloveniaEuropean Regional Development Fund; Vizera d.o.o.; Frutarom Etol d.o.o.CompletedVitamin B 12 Deficiency | Vitamin d Deficiency | Protein DeficiencySlovenia
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University of Wisconsin, MadisonNational Institute on Deafness and Other Communication Disorders (NIDCD)Enrolling by invitationVitamin A Deficiency | Leukoplakia | Vitamin A | Vocal Cord NeoplasmUnited States
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University of FloridaCompleted
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Washington University School of MedicineUniversity of California, Davis; Universidad San Francisco de Quito; Pan American...CompletedCholine Deficiency | Vitamin B-12 Deficiency | Lipids Deficiency | Amino Acids DeficiencyEcuador
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University of FloridaNational Institutes of Health (NIH)Completed
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Rajavithi HospitalQueen Sirikit National Institute of Child HealthCompleted
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Universidade de Passo FundoUnknownDeficiency, Vitamin DBrazil
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Charite University, Berlin, GermanyCompletedDeficiency, Vitamin | Vegan's Anemia (Vitamin B12 Deficiency) | Deficiencies MicronutrientGermany
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Federal University of Rio Grande do SulCompletedDeficiency, Vitamin DBrazil
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Cheikh Anta Diop University, SenegalInternational Atomic Energy AgencyNot yet recruiting
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University Hospital, Clermont-FerrandTerminated
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George Washington UniversityIfakara Health InstituteActive, not recruiting
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Fu Jen Catholic UniversityCompletedVitamin B 12 DeficiencyTaiwan
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Sitaram Bhartia Institute of Science and ResearchUniversity College, London; Public Health Foundation of India; Paropakar Matenity...CompletedVitamin B 12 DeficiencyIndia, Nepal
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University of Southern CaliforniaCompleted
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Haukeland University HospitalNorwegian Foundation for Health and Rehabilitation; Foundation to Promote Research...CompletedVitamin B 12 DeficiencyNorway
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University of British ColumbiaCompletedVitamin B12 DeficiencyCanada, Malaysia
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Emisphere Technologies, Inc.CompletedVitamin B 12 Deficiency
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Haukeland University HospitalNorwegian Foundation for Health and Rehabilitation; Foundation to Promote Research...Completed
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University of DelawareCompletedVitamin B12 DeficiencyUnited States
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University of AarhusUniversity of CopenhagenCompleted
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Meir Medical CenterCompletedFolic Acid Deficiency | Vitamin B12 DeficiencyIsrael
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Sykehuset Innlandet HFUniversity of Oslo; University of Bergen; Inland Norway University of Applied...Recruiting
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University Hospital, Basel, SwitzerlandCompleted
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Marmara UniversityCompleted
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Gerencia de Atención Primaria, MadridInstituto de Salud Carlos IIICompleted
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University Hospital, Basel, SwitzerlandUniversity of Basel; Aarelab AGCompleted
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Wageningen UniversityDSM Nutritional Products, Inc.; Top Institute Food and NutritionCompletedElderly, Frail | Deficiency, Vitamin DNetherlands
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USDA, Western Human Nutrition Research CenterCompleted
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University of AarhusUnknown
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Liaquat University of Medical & Health SciencesNot yet recruitingVitamin B 12 DeficiencyPakistan
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University Children's Hospital, ZurichActive, not recruitingVitamin B 12 DeficiencyAustria, Germany
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University of British ColumbiaDairy Farmers of CanadaCompletedVitamin B 12 DeficiencyCanada
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Haukeland University HospitalNorwegian Foundation for Health and Rehabilitation; Foundation to Promote Research...CompletedVitamin B 12 DeficiencyNorway
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University of Wisconsin, MadisonCompleted
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Institute of Nutrition of Central America and PanamaBill and Melinda Gates Foundation; Newcastle University; International Atomic...Completed
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Prince of Songkla UniversityUnknown
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University of California, DavisHelen Keller InternationalCompleted