Search clinical trials for: vitamin A supplements

Total 38419 results

RWTH Aachen University

Completed

Incorporation of Vitamin K Into Uremic Lipoproteins

Vitamin K Deficiency

Germany
Johns Hopkins University

Completed

Comparison of Retinol 1.0% and Tretinoin 0.02% in the Treatment of Moderate to Severe Photodamage and Wrinkles

Wrinkles | Photodamaged Skin

United States
Beth Israel Deaconess Medical Center
National Heart, Lung, and Blood Institute (NHLBI)

Terminated

Thiamine vs. Placebo to Increase Oxygen Consumption After Cardiac Arrest

Shock | Cardiac Arrest | Lactic Acidosis | Thiamin Deficiency

United States
Boston Children's Hospital

Completed

Vitamin D Supplementation in Healthy Adolescents

Vitamin D Supplementation

United States
Wake Forest University Health Sciences

Completed

Vitamin D Deficiency and Dysautonomia

Nausea | Vitamin D Deficiency | Orthostatic Intolerance

United States
Universidade Federal do Rio de Janeiro

Completed

Relative-dose-response Test (RDR) Adaptation for Chronic Liver Disease

Chronic Liver Disease

Brazil
Wake Forest University Health Sciences
National Cancer Institute (NCI)

Terminated

High Dose Vitamin A Compound in Treating Participants With Resectable Non-Small Cell Lung Cancer

Non Small Cell Lung Cancer | Stage Ib Lung Carcinoma | Stage IIA Lung Carcinoma | Stage IIIA Lung Carcinoma | Stage I Lung Cancer | Stage IA Lung Carcinoma AJCC V7

United States
University of Miami
Fight for Sight

Withdrawn

The Role of Antioxidant Supplementation in Keratoconus Patients

Keratoconus

United States
Bambino Gesù Hospital and Research Institute

Completed

DHA and Vitamin D in Children With Biopsy-proven NAFLD (VitD_DHA)

NAFLD | Non Alcoholic Steatohepatitis (NASH)

Italy
Icahn School of Medicine at Mount Sinai

Withdrawn

The Use of Fish Oil Supplementation in Treatment of Intrahepatic Cholestasis of Pregnancy

Intrahepatic Cholestasis of Pregnancy
National Eye Institute (NEI)

Completed

Randomized Trial of Vitamin A and Vitamin E Supplementation for Retinitis Pigmentosa

Retinitis Pigmentosa
Cairo University

Completed

Effect of Adjunctive Systemic Vitamin E on Clinical Parameters and Salivary Total Antioxidant Capacity in Symptomatic Oral Lichen Planus Patients: Randomized-controlled Clinical Trial

Oral Lichen Planus

Egypt
University of California, San Diego
University of California, Los Angeles; Gilead Sciences; University of Southern... and other collaborators

Completed

Effect of Vitamin D Supplementation on Bone Turnover Markers During PrEP in MSM (CCTG595VitD)

Patient Adherence

United States
National Nutrition and Food Technology Institute

Completed

Vitamin D Supplementation in Physical Performance

Healthy | Athletes

Iran, Islamic Republic of
Azienda di Servizi alla Persona di Pavia
University of Pavia

Completed

Efficacy of Dietary Supplementation and Physical Activity in Sarcopenic Elderly

Sarcopenia

Italy
University of Pavia

Completed

Creatine, D-Ribose, B1 Vitamin, and B6 Vitamin in Ischemic Heart Disease

Ischemic Heart Disease
Stanford University

Completed

Retinol on Human Skin Aging in East Asian Descent

Intrinsic Aging of Skin

United States
Second Affiliated Hospital, School of Medicine,...

Unknown

The Correlation Between Vitamin A / E Levels and Preeclampsia

Vitamin A Deficiency | Preeclampsia | Vitamin E Deficiency

China
Cairo University

Not yet recruiting

Evaluation of Modified Minimally Invasive Surgical Technique and Platelet Rich Fibrin With or Without Vitamin Pool A and C for Management of Periodontal Intrabony Defects

Intrabony Periodontal Defect

Egypt
University of North Carolina, Chapel Hill
National Institute on Drug Abuse (NIDA); National Institute of Mental Health...

Completed

Vitamin D Reabsorption in Adolescents and Young Adults With HIV Infection

HIV Infections

United States, Puerto Rico
Colorado State University
University of the Sciences, Techniques and Technologies of Bamako

Completed

Pilot Feasibility of Rice Bran Supplementation in Children

Dietary Rice Bran Supplementation

United States, Mali
McMaster University

Recruiting

The Effects of Protein Supplementation With or Without Urolithin A During Single-leg Immobilization

Healthy | Muscle Disuse Atrophy

Canada
Cosmetique Active International
Innovaderm Research Inc.

Completed

Comparison of Redermic, Rejuva-A and Combination of Both Redermic and Rejuva-A in Subjects With Signs of Aging

Skin Aging

Canada
Assistance Publique - Hôpitaux de Paris

Recruiting

Correcting GUT microbioTa by Combined Supplementation of fibERs and bIotiN to Improve Microbiome and Optimize Bariatric Surgery Outcomes (GUTERRING)

Metabolic Syndrome | Severe Obesity

France
University College Dublin

Completed

Absorption Kinetics and Efficacy of Vitamin D Enriched Supplements in Older Adults.

Vitamin D Deficiency

Ireland
University Hospital, Geneva

Completed

Vitamin E Supplement in Patients With Cirrhosis and Acanthocytosis

Cirrhosis

Switzerland
National Center for Complementary and Integrative...

Completed

Effects of Creatine and Resistance Exercise Training in People With HIV Infection

HIV Infections

United States
University of Colorado, Denver
International Centre for Diarrhoeal Disease Research, Bangladesh

Completed

Effects of EED on Zn Absorption and Retention in Children From a Standard Dose (ZEED1)

Environmental Enteric Dysfunction | Vitamin A Deficiency | Zinc Deficiency

United States, Bangladesh
Pamlab, L.L.C.
HealthCore, Inc.

Completed

Administrative Claims Analysis of Metanx® in Diabetic Peripheral Neuropathy

Diabetic Peripheral Neuropathy (DPN)

United States
G. d'Annunzio University

Completed

Improved Outcomes Associated With Inositol Dietary Supplementation in Women With Gestational Diabetes Mellitus (inositol)

Gestational Diabetes Mellitus

Italy
Auburn University

Completed

The Effects of a Multi-vitamin Supplement in Adult Females (MVS)

Health, Subjective

United States
University of Ulster
Dairy Council for Northern Ireland; Agri-food & Biosciences Institute; Center...

Completed

D-Light Intervention (D-Light)

25-hydroxyvitamin D Concentration (Vitamin D Status)

United Kingdom
Ivan FN Hung MD
Pamela Youde Nethersole Eastern Hospital

Recruiting

Olfactory and Neurosensory Rehabilitation in COVID-19-related Olfactory Dysfunction

Coronavirus Disease 2019

Hong Kong
Alkeus Pharmaceuticals, Inc.

Enrolling by invitation

Open-Label Extension: Tolerability and Effects of ALK-001 on Stargardt Disease (TEASE)

Stargardt Disease | Stargardt Macular Degeneration | Stargardt Macular Dystrophy | Autosomal Recessive Stargardt Disease 1 (ABCA4-related)

United States
Emory University

Completed

Improving Infant Nutrition in Southern Ethiopia

Nutrition Disorders

United States, Ethiopia
KU Leuven
Universitaire Ziekenhuizen KU Leuven

Completed

A Cross-sectional Study Evaluating Pregnancy Related Use of Vitamins and Medication (PREVIM)

Pregnant Women | Medication and Supplement Use
Shih Chien University
Shin Kong Wu Ho-Su Memorial Hospital

Completed

Effects of Vitamin D Supplementation on Immune Function in Infants

Vitamin D Deficiency

Taiwan
McMaster University

Withdrawn

Mixed Exercise Training and Novel Multi-Nutrient Supplementation in Young Adults

Sarcopenia

Canada
Jonsson Comprehensive Cancer Center
Do Well Laboratories Inc.; Hirshberg Foundation for Pancreatic Cancer Research

Terminated

Nutrition Support to Improve Outcomes in Patients With Unresectable Pancreatic Cancer

Cancer of Pancreas

United States
Ronald M. Glick, MD
Jarrow Formulas Inc; The Fine Foundation

Withdrawn

Inositol for Comorbid Anxiety in Children and Adolescents With Bipolar Disorder

Anxiety Disorders | Anxiety | Bipolar Disorder

United States
AGUNCO Obstetrics and Gynecology Centre
Centro Clinico Colle Cesarano Tivoli Rome Italy

Terminated

Myoinositol for the Treatment of Ovarian and Psychiatric Disorder in Polycystic Ovary Syndrome (PCOS) Patients

Depression | PCOS

Italy
Universidad Autonoma del Estado de Mexico

Unknown

Effect of Vitamin C, D and Zinc Supplementation on the Immune and Inflammatory Process in Type 2 Diabetic Subjects

Diabetes Mellitus, Type 2
Instituto Nacional de Enfermedades Respiratorias

Unknown

Effect of Vitamin D as Adjunctive Therapy in Patients With Pulmonary Evolution Tuberculosis (VitaminD)

Pulmonary Tuberculosis

Mexico
Medical University of Graz

Unknown

PROVIT The Influence of Probiotics on Body and Mind in Individuals With Psychiatric Disorders

Depression | Mood Disorders

Austria
Indonesia University

Completed

Effect of Intravenous Vitamin C on SOFA Score Among Septic Patients

Sepsis

Indonesia
National Aeronautics and Space Administration (NASA)
Mayo Clinic; Texas A&M University

Recruiting

B-Complex: A Nutraceutical SANS Countermeasure

Endothelial Dysfunction | Optic Disc Edema

United States
Cubist Pharmaceuticals LLC
GlaxoSmithKline

Completed

Study Of Alvimopan Drug For Treatment Of Constipation Due To Prescription Pain Medication

Constipation | Bowel Dysfunction

United States, Netherlands, Spain, Taiwan, Peru, Philippines, France, United Kingdom, Canada, Czechia, Finland, Korea, Republic of, Hong Kong, Pakistan, Thailand, Italy, Argentina, Poland, Hungary, Germany, Russian Federation, South... and more
Vanderbilt University

Completed

Acetyl-L-Carnitine in the Treatment of Septic Shock (ALC)

Septic Shock

United States
Beth Israel Deaconess Medical Center
University of Aarhus; American Heart Association

Completed

Thiamine as an Adjunctive Therapy in Cardiac Surgery

Coronary Artery Bypass | Cardiac Surgical Procedures

United States
CES University

Unknown

Effect of Home-fortification With Sprinkles in Hematologic and Nutritional Status in Preschool Children in Medellín

Malnutrition

Colombia

Search clinical trials for: vitamin A supplements

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