Trials / Conditions / Vitamin A Deficiency

Vitamin A Deficiency

54 registered clinical trials studyying Vitamin A Deficiency — 4 currently recruiting.

Status	Trial	Sponsor	Phase
Recruiting	Effect of Vitamin A Supplementation on Idiopathic Scoliosis NCT07335991	Second Affiliated Hospital of Wenzhou Medical University	N/A
Recruiting	Vitamin A Supplementation in Allogeneic Stem Cell Transplantation. NCT06450925	Children's Hospital Medical Center, Cincinnati	Phase 2
Recruiting	Validation and Simplification of the Retinol Isotope Dilution Technique in Burkinabe Schoolchildren NCT06759493	Institut de Recherche en Sciences de la Sante, Burkina Faso	—
Completed	Impact of Food-to-Food Fortified Cereal Products on Diet Quality in Rural Niger Villages NCT05893901	Purdue University	—
Completed	Effect of Household Use of Multiple Micronutrient-fortified Bouillon on Micronutrient Status Among Women and C NCT05178407	University of California, Davis	N/A
Completed	Knowledge of Students About Vitamin A and Assessment of Eye Manifestations in Quranic Schools (Khalwai) Kharto NCT06989879	University of Khartoum	—
Unknown	Efficacy and Safety of Vitamin A Treatment for Children With Sepsis NCT04127968	West China Hospital	N/A
Completed	Impact of Food-to-Food Fortified Cereal Products on Diet Quality in Eldoret, Kenya NCT05882682	Purdue University	—
Enrolling By Invitation	Vitamin A Status in Patients With Vocal Fold Leukoplakia NCT05323292	University of Wisconsin, Madison	—
Completed	Senegal Market Study for Food-to-Food Fortified (F2F) Instant Porridge Flours NCT05872061	Purdue University	—
Active Not Recruiting	Egg Intervention During Pregnancy in Indonesia NCT04694235	SEAMEO Regional Centre for Food and Nutrition	N/A
Completed	Iron and Vitamin A in School Children NCT04137354	University Ghent	N/A
Completed	Nutritional Status and Bouillon Use in Northern Ghana NCT04632771	University of California, Davis	—
Completed	Retinol Status in Preterm Infants and Mothers NCT04780958	Ataturk University	N/A
Unknown	Liver and Bone Retinol Levels in Guatemalan Adolescents and Adults NCT04438200	Newcastle University	—
Unknown	Bioefficacy of Beta-cryptoxanthin From Biofortified Maize NCT04153968	Newcastle University	N/A
Unknown	Effect Of Multiple Biofortified Food Crops On Micronutrient Status And Immune Function Among Indian Infants an NCT02648893	Cornell University	N/A
Unknown	Effects of Fat-soluble Vitamins Supplementation on Common Complications and Neural Development in Very Low Bir NCT03876704	First Affiliated Hospital Xi'an Jiaotong University	Phase 3
Unknown	The Correlation Between Vitamin A / E Levels and Preeclampsia NCT03971604	Second Affiliated Hospital, School of Medicine, Zhejiang University	N/A
Completed	Individualized Dietary Intervention in Breastfeeding Women: Body Weight and Vitamin A Stores NCT03640104	Universidad de Sonora	N/A
Unknown	Sub Regional Micronutrient Survey in Ethiopia NCT03353662	Swiss Federal Institute of Technology	—
Completed	Using Stable Isotope Techniques to Monitor and Assess the Vitamin A Status of Children Susceptible to Infectio NCT02363985	Ethiopian Public Health Institute	N/A
Completed	Assessing Model Parameters for Applying the Retinol Isotope Dilution (RID) Method NCT02996513	Wageningen University	N/A
Completed	Vitamin A Equivalence of the Provitamin A in Biofortified Bananas NCT02702622	Iowa State University	N/A
Completed	Efficacy of Biofortified Maize to Improve Maternal and Infant Vitamin A Status NCT02804490	Johns Hopkins Bloomberg School of Public Health	Phase 3
Completed	The Efficacy of Pro-vitamin A Biofortified Cassava on Vitamin A Status in Nigerian Preschool Children NCT02627222	Wageningen University	N/A
Completed	Effects of EED on Zn Absorption and Retention in Children From a Standard Dose NCT02760095	University of Colorado, Denver	—
Completed	Using Stable Isotopes to Assess the Effectiveness of Vitamin A Supplementation in Cameroon NCT03383744	Centre for Food and Nutrition Research, Yaounde	N/A
Completed	Vitamin A, Stool Microbiota and Vaccine Response in Bangladeshi Infants NCT02027610	USDA, Western Human Nutrition Research Center	—
Completed	Beta-carotene Absorption and Bioconversion to Vitamin A From Biofortified Cassava Gari NCT02210507	USDA, Western Human Nutrition Research Center	N/A
Completed	Effect of Daily Consumption of Orange Maize on Breast Milk Retinol in Lactating Zambian Women NCT01922713	University of California, Davis	N/A
Completed	Stopping Postpartum Vitamin A Supplementation: Missing Concealed Benefit NCT02043223	International Centre for Diarrhoeal Disease Research, Bangladesh	Phase 2 / Phase 3
Completed	Efficacy of β-carotene Biofortified Maize in Reducing Vitamin A Deficiency Among Children NCT01695148	Johns Hopkins Bloomberg School of Public Health	Phase 3
Completed	Efficacy of Yellow Cassava to Improve Vitamin A Status of Kenyan School Children NCT01614483	Wageningen University	N/A
Completed	Effect of SNPs in the BCMO1 Enzyme NCT02276014	Newcastle-upon-Tyne Hospitals NHS Trust	N/A
Completed	Vitamin A Liver Reserves and Serum Markers of Vitamin A in US Adults at Time of Death NCT03305042	University of Wisconsin, Madison	—
Completed	Efficacy of Newborn Vitamin A Supplementation in Improving Immune Function NCT01583972	USDA, Western Human Nutrition Research Center	N/A
Unknown	Effect of Vitamin A Supplementation on Immune Responses in Human Neonates NCT01476358	London School of Hygiene and Tropical Medicine	Phase 2
Completed	Vitamin A Absorption From Cassava in Women NCT01381276	USDA, Western Human Nutrition Research Center	Phase 2
Completed	Efficacy of Vitamin A in Fortified Extruded Rice in School Children NCT01199445	Swiss Federal Institute of Technology	EARLY_Phase 1
Completed	Vitamin A Bioavailability in Lactating Women With Marginal Vitamin A Status NCT01420406	USDA, Western Human Nutrition Research Center	N/A
Completed	An Efficacy Trial of Iron, Zinc and Vitamin A Fortified Rice in Children in Satun, Thailand NCT01061307	Swiss Federal Institute of Technology	EARLY_Phase 1
Completed	Dietary Vitamin A Requirement in Chinese Children and the New Technology of Dietary Assessment NCT01559766	Huazhong University of Science and Technology	—
Completed	Vitamin A Equivalence of Plant Carotenoids in Children NCT00680212	Tufts University	Phase 2
Completed	Estimating Average Vitamin A Requirements in Indonesian and American Women NCT04123210	University of Wisconsin, Madison	N/A
Completed	Impact of Maternal Supplementation With Dual Megadose of Vitamin A NCT00742937	Instituto Materno Infantil Prof. Fernando Figueira	Phase 2 / Phase 3
Completed	Newborn Vitamin A (VA) Supplementation Pilot Project, Pakistan NCT00674089	Aga Khan University	N/A
Completed	Impact of Consumption of Orange-fleshed Sweet Potatoes on the Vitamin A Status of Bangladeshi Women of Reprodu NCT00453648	University of California, Davis	N/A
Completed	Retinol Equivalence of Plant Carotenoids in Children NCT00082420	National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)	—
Completed	Community Trial of Newborn Vitamin A Supplementation to Reduce Infant Mortality in Rural Bangladesh NCT00128557	Johns Hopkins Bloomberg School of Public Health	Phase 3
Completed	Impact of Maternal Vitamin A or Beta-Carotene Supplementation on Maternal and Infant Mortality in Bangladesh NCT00198822	Johns Hopkins Bloomberg School of Public Health	Phase 3
Completed	Trial of the Impact of Vitamin A on Maternal Mortality NCT00211341	London School of Hygiene and Tropical Medicine	Phase 3
Completed	Single-dose Postpartum Vitamin A Supplementation of Mothers and Neonates NCT00198718	Johns Hopkins Bloomberg School of Public Health	Phase 2
Completed	Vitamin A to Reduce HIV in Vaginal Secretions and Prevent Viral Transmission NCT00053612	National Institute of Allergy and Infectious Diseases (NIAID)	Phase 2