Search clinical trials for: Vitamin K2

Total 13364 results

Eye and Vision Technologies and Research Institute
ZeaVision, Inc.

Unknown

Oral Nutrition Impact on Tear Film (ONIT)

Dry Eye Syndrome

United States
Cornell University
Arogyavaram Medical Centre

Not yet recruiting

Vitamin D Supplementation and TB

Tuberculosis | Immunity | Vitamin D

United States, India
University of Nebraska
Creighton University Medical Center

Completed

Vitamin D Status and Dose Response in Infants

Prematurity | Vitamin D

United States
James J. Peters Veterans Affairs Medical Center

Completed

Transdermal Iontophoresis of Vitamin B12 Under Three Different Skin Preparations

Macrocytic Anemia With Vitamin B12 Deficiency

United States
Ali Altunkaya
National Cancer Institute (NCI)

Terminated

Dietary, Herbal and Alternative Medicine in Glioblastoma Multiforme

Brain and Central Nervous System Tumors | Cerebral Edema

United States
Virginia Polytechnic Institute and State University

Completed

Effects of Vitamin D Supplementation on Strength, Bone Density, and Injury Risk in Collegiate Athletes

Vitamin D Deficiency

United States
University of Ioannina

Unknown

Effect of Vitamin D on Metabolic Parameters in Patients With the Metabolic Syndrome

Metabolic Syndrome

Greece
University of Leipzig
University of Jena

Completed

Changes of Biomarkers in Response to Training and Antioxidant Treatment

Obesity | Type 2 Diabetes

Germany
Hamilton Health Sciences Corporation
Canadian Institutes of Health Research (CIHR); Population Health Research Institute

Unknown

HOPE-2 Study (Heart Outcomes Prevention Evaluation-2 Study)

Myocardial Infarction | Stroke | Cardiovascular Disease | Cancer

Canada
Creighton University

Completed

Pharmacokinetic Comparison of Vitamin's D2 and D3 in Stage 5 Chronic Kidney Disease Patients on Chronic Hemodialysis

Chronic Kidney Disease

United States
University College Dublin
University of Ulster

Completed

An Intervention Study to Investigate the Effect of B-vitamin Supplementation for 2-years on Bone Health (Opti-Age)

Bone Health

Ireland
Boston University

Completed

Availability of Vitamin D in Orange Juice

Vitamin D Deficiency

United States
Northwell Health

Terminated

An Exploratory, Randomized, Blinded, Placebo-Controlled Trial of Folic Acid and L-methylfolate in Parkinson's Disease

Parkinson's Disease

United States
Umeå University
Region Skane

Completed

Comparing Different Amounts of Vitamin D Supplementation to Preschool Children Living in Northern and Southern Sweden (Dvisum)

Vitamin D Deficiency

Sweden
Taichung Veterans General Hospital

Completed

The Effects of Vitamin B-6 and Coenzyme Q10 Status on Oxidative Stress, Antioxidant Capacities, and Inflammatory Responses in Patients With Liver Cancer

Hepatocellular Carcinoma.

Taiwan
The Canadian College of Naturopathic Medicine
Centre for Addiction and Mental Health; Health Canada; SickKids Foundation

Completed

The Safety and Efficacy of a Compound Natural Health Product in Children With Attention Deficit Hyperactivity Disorder (ADHD)

Attention Deficit Hyperactivity Disorder

Canada
University of Aarhus

Recruiting

Vitamin D in Pregnancy (GRAVITD)

Vitamin D Deficiency | Pre-Eclampsia | Fetal Growth Retardation | Gestational Diabetes

Denmark
Tampere University Hospital
Orion Corporation, Orion Pharma

Active, not recruiting

The Effect of Vitamin D Substitution on the Development of Chronic Pancreatitis

Chronic Pancreatitis

Finland
National Institute of Diabetes and Digestive and...

Completed

Oxidative Stress and Vitamin E Requirements

Smoking

United States
McGill University

Completed

Study Comparing Two Vitamin D Supplements for Infants: Liquid Versus D-Strips

Healthy

Canada
Diabetes Foundation, India

Recruiting

Vitamin D Supplementation on Surrogate Markers of Ageing, Ageing Genes, Glycemic and Metabolic Markers in North India

PreDiabetes | Aging | Vitamin D Supplementation

India
Cairo University

Completed

Impact of Ultraviolet Radiation on Bone Density and Muscle Strength in Postmenopausal Women

Postmenopausal Osteoporosis

Egypt
Hospital Universitario Dr. Jose E. Gonzalez

Completed

Oral Vitamin D Supplementation Combined With Phototherapy as a Treatment for Vitiligo

Autoimmune Diseases | Vitiligo | Vitiligo, Generalized | Autoimmune | Autoimmune Disease Skin

Mexico
Al-Azhar University

Completed

Vitamin D Supplementation and Glycemic Control Improvement Among Type 1 Diabetic Children

Vitamin D Deficiency | Type 1 Diabetes Mellitus

Palestinian Territory, occupied
Fatih Sultan Mehmet Training and Research Hospital

Completed

The Relationship Between Vitamin D Levels, Inflammatory Parameters and Disease Severity of COVID-19 Infection

Covid19 | Vitamin D Deficiency

Turkey
Federal University of Paraíba

Completed

Effect of Vitamin E Supplementation in Methylation and microRNAs Profile

Obesity

Brazil
Italian Society of Nephrology
Società Italiana di Nefrologia

Terminated

Clinical Trial on the Use of 25-OH -D Vitamin in Haemodialysis Patients (NUTRIVITA-D001)

Chronic Renal Failure

Italy
Alliance for Clinical Trials in Oncology
National Cancer Institute (NCI)

Completed

Vitamin E in Preventing Peripheral Neuropathy Caused by Chemotherapy in Patients Receiving Chemotherapy for Cancer

Unspecified Adult Solid Tumor, Protocol Specific | Neurotoxicity

United States
Massachusetts General Hospital
National Institute of Mental Health (NIMH)

Completed

Effectiveness of Vitamin Supplementation in Treating People With Residual Symptoms of Schizophrenia

Schizophrenia

United States
French National Agency for Research on AIDS and...

Completed

Efficacy of Vitamin D on Top of Pegylated Interferon and Ribavirin in Patients With Chronic Viral Hepatitis C Null-Responders (ANRS VITAVIC)

Chronic Hepatitis C

France
Weill Medical College of Cornell University

Unknown

Vitamin D and Glucose Metabolism in Pediatrics

Obesity | Insulin Resistance | Vitamin D25 Insufficiency

United States
Medical University of Vienna

Completed

Effect of Antioxidants on Oxygen Induced Vasoconstriction in Lipopolysaccharide (LPS) Induced Inflammatory Model in Humans

Healthy

Austria
Rutgers University

Completed

Vitamin D Supplementation in Obesity and Weight Loss (3DD Study)

Osteoporosis

United States
University of Roma La Sapienza
vingolo enzo maria; domanico daniela; salvatore serena

Completed

Retinal Nerve Fibres Layers Thickness Study in Glaucomatous Patients

Glaucoma

Italy
Fundação Educacional Serra dos Órgãos

Completed

Nucleotides and B Vitamins in the Treatment of Low Back Pain

Low Back Pain
Eli Lilly and Company

Completed

ALIMTA (Pemetrexed) in Patients With Locally Advanced or Metastatic Cancer

Cancer | Metastases

United States
Sohag University

Completed

Assessment of Serum Levels of Vitamin D, Vitamin B12 and Folic Acid Among Patients With Lifelong Premature Ejaculation and Non-responding to Dapoxetine Treatment. (PE)

Vitamin D, Vitamin B12 and Folic Acid Among Patients With Premature Ejaculation

Egypt
University of Calgary

Recruiting

High-Dose Vitamin D Induction in Optic Neuritis (VitaDON2)

Optic Neuritis

Canada
Indonesia University

Completed

Effect of Intravenous Vitamin C on SOFA Score Among Septic Patients

Sepsis

Indonesia
Aga Khan University

Completed

Determination of Effective Vitamin D Replacement and Monitoring Strategies in Vitamin D Deficiency State (EVIREST-D)

Vitamin D Deficiency

Pakistan
Nordsjaellands Hospital

Completed

The Effect of Protein Supplement on Lean Body Mass in Patients With Pneumonia (CAPprotein)

Community-acquired Pneumonia

Denmark
National Institute of Allergy and Infectious Diseases...

Completed

Vitamin A to Reduce HIV in Vaginal Secretions and Prevent Viral Transmission

HIV Infections | Vitamin A Deficiency | HIV Seronegativity
Bandim Health Project
Leiden University Medical Center; Medical Research Council Unit, The Gambia

Completed

Vitamin A With BCG Vaccine

Mortality | Morbidity

Guinea-Bissau
Bandim Health Project

Unknown

Vitamin A Supplementation With Routine Childhood Vaccines and Mortality and Morbidity

Mortality | Morbidity

Guinea-Bissau
Bandim Health Project

Completed

Different Doses of Vitamin A Supplementation and Male and Female Morbidity and Mortality

Mortality | Morbidity

Guinea-Bissau
Tehran University of Medical Sciences

Unknown

The Effect of Vitamin A Supplementation on Cytokine Profile in Obesity

Obesity

Iran, Islamic Republic of
Texas Tech University Health Sciences Center

Completed

Vitamin D and Arterial Stiffness in Elderly

Vitamin D Deficiency | Arterial Stiffness

United States
University of Southern California

Completed

Effects of Vitamin B12 Treatment in Singers

Vitamin B 12 Deficiency

United States
Emory University

Terminated

Clinical Effects of Vitamin D Repletion in Patients With Parkinson's Disease (VIDIP PILOT)

Parkinson's Disease

United States
Medical University of Graz

Unknown

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

Depression | Mood Disorders

Austria

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