Clinical Trials on Vitamin A Kinetics
Total 6089 results
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Church & Dwight Company, Inc.Medical University of South CarolinaCompletedMeasure Absorption of Vitamin D in BloodUnited States
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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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HealthPartners InstituteCompletedHemorrhage | Acute Bleeding on Long-Term Anticoagulation Therapy | Significant Bleeding in Patients With a Coagulopathy (Prolonged Thrombin Time) | Urgent Reversal of Vitamin K Antagonist (VKA) AnticoagulationUnited States
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Istanbul Medipol University HospitalCompletedPrimary Dysmenorrhea | Aerobic Exercise | KinesicsTurkey
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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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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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Cornell UniversityCenters for Disease Control and Prevention; Arogyavaram Medical CentreActive, not recruitingAnemia | Vitamin B 12 Deficiency | Folate DeficiencyIndia
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Chulalongkorn UniversityUnknownVitamin D2 Supplementation in Vitamin D InsufficiencyThailand
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Church & Dwight Company, Inc.Medical University of South CarolinaCompletedBioequivalence of Vitamin D in Healthy AdultsUnited States
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NYU Langone HealthWinthrop University HospitalCompleted
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University of UlsterDairy Council for Northern Ireland; Agri-food & Biosciences Institute; Center...Completed
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USDA, Western Human Nutrition Research CenterCompletedBioavailability of Vitamin B12 From Chicken EggsUnited States
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Helsinki University Central HospitalUniversity of HelsinkiUnknownQuality of Life | Genetics | Uterine Myomectomy | Gynecologic Surgical ProceduresFinland
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The First Affiliated Hospital of Zhengzhou UniversityLuoyang maternal and child hospitalCompletedin Vitro Fertilization | Vitamin D | Ongoing Pregnancy RateChina
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University of BathBiotechnology and Biological Sciences Research CouncilCompletedVitamin D | Acute ExerciseUnited Kingdom
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University of BirminghamCompletedInfertility | Vitamin D Deficiency | Vitamin D InsufficiencyUnited Kingdom
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Universidad Autonoma de Nuevo LeonCompletedFibromyalgia | D Vitamin DeficiencyMexico
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University of California, DavisUniversity of California, San Francisco; University of Rhode Island; Ethiopian... and other collaboratorsEnrolling by invitationVitamin B 12 Deficiency | Folate Deficiency | Iodine Deficiency | Anemia Deficiency | Salt Intake | Anemia MacrocyticEthiopia
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Universität des SaarlandesInstitute of Alternative and Sustainable Nutrition (IFANE)CompletedCobalamin DeficiencyGermany
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University of FloridaCompletedVitamin D Deficiency (10 ng/mL to 30 ng/mL)United States
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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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University Hospital, GrenobleCompletedHealthy Volunteer | Patients Under Vitamin K Antagonist (VKA)France
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Bispebjerg HospitalUnknownSunscreen Persistence | Vitamin D Production in the SkinDenmark
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J.J. Amer-CuencaCompletedKinematics | Gait RetrainingSpain
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University Medical Centre LjubljanaCompletedBody Weight | IVF | Nutrient Deficiency | Dietary Vitamin B12 Deficiency Anemia | Dietary Folate Deficiency AnemiaSlovenia
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Rajavithi HospitalCompletedPregnancy Outcome Among Vitamin D Supplementation During PregnancyThailand
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University of Colorado, DenverUniversity of Pittsburgh; National Institute of General Medical Sciences (NIGMS)CompletedChronic Kidney Diseases | Deficiency, Vitamin DUnited States
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Josip Juraj Strossmayer University of OsijekUnknownVitamin E | Selenium | Lutein | n-3 Polyunsaturated Fatty AcidsCroatia
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Jewish General HospitalCompletedVitamin D Deficiency | Vitamin C DeficiencyCanada
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Association Tunisienne d'Etude & de Recherche sur...Faculty of Medicine of Tunis; Rabta University HospitalCompletedVitamin D Deficiency | Intensive Care Unit | Dietary Supplements | Vitamin D Toxicity
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Hacettepe UniversityCompletedDiabetes, Gestational | Deficiency, Vitamin D
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BayerActive, not recruitingPrevention of Vitamin Deficiency During and/or Before PregnancyRussian Federation, Kazakhstan, Uzbekistan
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Assiut UniversityCompletedRole of Vitamin D in IVF for Better OutcomeEgypt
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University of WashingtonNational Institute of General Medical Sciences (NIGMS)Terminated
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Bangor UniversityUniversity of East Anglia; University of ManchesterUnknown
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Taipei Tzu Chi Hospital, Buddhist Tzu Chi Medical...CompletedVitamin D and Hepatitis B VirusTaiwan
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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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Sahlgrenska University Hospital, SwedenCompletedVitamin-D InsufficiencySweden
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Meir Medical CenterUnknownMaternal Vitamin D Status | Neonatal Bone Quantitative Ultrasound MeasurementsIsrael
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Princess Nourah Bint Abdulrahman UniversityUniversity of ConnecticutCompletedDeficiency of Vitamin D3
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University College CorkCompletedVitamin D Status as Reflected by Serum 25-hydroxyvitamin DIreland
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Brigham and Women's HospitalCompleted
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Centre Hospitalier Universitaire de NīmesCompletedVitamin d DeficiencyFrance
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Akdeniz UniversityCompletedInfertility | Vitamin D Deficiency | Infertility, Female | Vitamin D3 DeficiencyTurkey
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London School of Hygiene and Tropical MedicineKintampo Health Research Centre, GhanaCompletedVitamin A Deficiency | Maternal Mortality | Maternal MorbidityGhana
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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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Northwell HealthCompletedType 2 Diabetes Mellitus | Vitamin B12 DeficiencyUnited States
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Helix, IncMedical University of South Carolina; HealthPartners Institute; WellSpan Health; St. Luke's Hospital and Health Network, Pennsylvania and other collaboratorsRecruiting