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107 studies found for:    Open Studies | "Vitamin A"
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Rank Status Study
1 Unknown  Intratracheal Vitamin A Administration With Surfactant for Newborn Respiratory Distress Syndrome
Conditions: RDS;   Infant, Newborn;   Vitamin A;   Surfactant
Interventions: Drug: surfactant;   Drug: surfactant+vitamin A
2 Not yet recruiting Using Stable Isotope Techniques to Monitor and Assess the Vitamin A Status of Children Susceptible to Infection
Condition: Vitamin A Deficiency
Intervention: Dietary Supplement: Mega-dose of vitamin A supplement
3 Recruiting The Efficacy of Pro-vitamin A Biofortified Cassava on Vitamin A Status in Nigerian Preschool Children
Condition: Vitamin A Deficiency
Interventions: Other: Pro-vitamin A biofortified cassava;   Other: White cassava
4 Unknown  Oral Vitamin A Supplementation in Neonates With Birth Weight < 1500 g
Conditions: Bronchopulmonary Dysplasia;   Retinopathy of Prematurity
Intervention: Dietary Supplement: Vitamin A oral drops
5 Recruiting Influenza Virus Vaccine Plus Vitamin A and D Supplements for Prevention of Respiratory Virus Infections in Children
Condition: Healthy Participants
Interventions: Biological: Influenza virus vaccine;   Dietary Supplement: Vitamins A and D;   Other: Placebo
6 Recruiting Efficacy of Biofortified Maize to Improve Maternal and Infant Vitamin A Status
Condition: Vitamin A Deficiency
Interventions: Dietary Supplement: Conventional white maize;   Dietary Supplement: Provitamin A carotenoid biofortified maize;   Dietary Supplement: Preformed vitamin A fortified maize
7 Not yet recruiting The Role of Antioxidant Supplementation in Keratoconus Patients
Condition: Keratoconus
Interventions: Other: Antioxidants (Vitamins A,C,E) plus GSH;   Other: Placebo;   Dietary Supplement: Centrum;   Other: Dietary Sources
8 Recruiting Interventional Testing of Gene-environment Interactions Via the Verifomics Mobile Application
Conditions: Obesity;   Rhinitis;   Rhinitis, Allergic;   Respiratory Sounds;   Dyspnea;   Headache;   Migraine Disorders;   Arthritis;   Arthralgia;   Anxiety;   Sleep Initiation and Maintenance Disorders;   Sleep Deprivation
Interventions: Dietary Supplement: Vitamin A;   Dietary Supplement: Vitamin B6;   Dietary Supplement: Vitamin C;   Dietary Supplement: Nicotinamide;   Dietary Supplement: Vitamin D3;   Dietary Supplement: Vitamin E;   Other: Broccoli;   Other: Spinach;   Dietary Supplement: Caffeine;   Other: Coffee;   Device: Axon Eyewear;   Other: Chocolate
9 Recruiting Effects of EED on Zn Absorption and Retention in Children From a Standard Dose
Conditions: Environmental Enteric Dysfunction;   Zinc Deficiency;   Vitamin A Deficiency
Interventions: Drug: 3 mg zinc sulfate supplement;   Drug: 0.5 mg of 13C10-retinyl-acetate
10 Unknown  Oral Nutrition Impact on Tear Film
Condition: Dry Eye Syndrome
Intervention: Dietary Supplement: Omega 3, Vitamins A, D3 and E
11 Recruiting Retinol on Human Skin Aging in East Asian Descent
Condition: Intrinsic Aging of Skin
Interventions: Drug: Retinol;   Drug: Placebo
12 Recruiting Comparison of Two Nutrition Interventions in Young Children in El Salvador
Condition: Micronutrient Deficiency
Interventions: Dietary Supplement: 21 micronutrient-fortified supplement;   Dietary Supplement: Cereal Fortificado (Fortified Cereal);   Dietary Supplement: Ferrous sulphate;   Dietary Supplement: Vitamin A
13 Not yet recruiting Immunogenicity and Safety Study of GSK Biologicals' Candidate Malaria Vaccine Given at 6, 7.5 and 9 Months of Age in Co-administration With Measles, Rubella and Yellow Fever (YF) Vaccines Followed by a Booster of the Malaria Vaccine.
Condition: Malaria Vaccines
Interventions: Dietary Supplement: Vitamin A;   Biological: Candidate Plasmodium falciparum malaria vaccine;   Biological: MR-Vac;   Biological: Stamaril
14 Recruiting Effect of Lipidic Nutrients on Memory and Well Being in Healthy Aging Adults
Condition: Healthy
Interventions: Dietary Supplement: Vitamin A +Long chain PUFA;   Other: Placebo
15 Unknown  The Impact of Vitamin on the Clinical Course in Cases Infected by Novel H1N1 Influenza Virus A
Condition: H1N1 Influenza
Interventions: Drug: Vitamin (vitamin A 15 mg,C 500 mg, E 400IU);   Drug: Placebo (digestive tablet)
16 Unknown  Long-term Impact and Intervention for Diarrhea in Brazil
Condition: Diarrheal Disorder
Interventions: Drug: Glutamine;   Drug: Vitamin A;   Drug: glycine;   Drug: zinc
17 Unknown  Inflammatory Mediators in Obstructive Sleep Apnoea Syndrome; Mechanisms of Production and the Effect of Long Term Antioxidants Administration
Condition: Obstructive Sleep Apnea Syndrome
Interventions: Device: n-CPAP;   Device: Oxygen supplementation;   Drug: Vitamin A, Vitamin C, Vitamin E, Allopurinol, N-Acetylcysteine
18 Recruiting Tretinoin and Arsenic Trioxide in Treating Patients With Untreated Acute Promyelocytic Leukemia
Conditions: Adult Acute Promyelocytic Leukemia With t(15;17)(q22;q12); PML-RARA;   Childhood Acute Promyelocytic Leukemia With t(15;17)(q22;q12); PML-RARA;   Untreated Adult Acute Myeloid Leukemia;   Untreated Childhood Myeloid Neoplasm
Interventions: Drug: Arsenic Trioxide;   Drug: Cytarabine;   Drug: Dexamethasone;   Drug: Idarubicin;   Other: Laboratory Biomarker Analysis;   Drug: Mitoxantrone Hydrochloride;   Other: Questionnaire Administration;   Drug: Tretinoin
19 Recruiting Vitamin A in Brown Fat Activity
Condition: Brown Adipose Tissue
Intervention: Other: Cold exposure
20 Recruiting Retinol-induced Dermatitis in Aged Skin
Conditions: Aged Skin;   Photoaged Skin
Intervention:

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Indicates status has not been verified in more than two years