Search clinical trials for: Vitamin D3

Total 13423 results

Taipei City Hospital

Completed

Vitamin D for Cognition in Bipolar Disorder

Bipolar Disorder

Taiwan
University of Nebraska

Completed

Serum 25-hydroxy Vitamin D [25(OH)D] Levels, Supplemental Vitamin D, and Parathyroid Hormone Levels in Premature Infants

Premature Infants

United States
Gerald Higa, PharmD.

Terminated

Study to Assess Prevention of Oxaliplatin-induced Neurotoxicity Through Vitamin D Pathway

Neurotoxicity

United States
Vanderbilt University Medical Center
University of Colorado, Denver; Beth Israel Deaconess Medical Center; Montefiore... and other collaborators

Completed

Vitamin D to Improve Outcomes by Leveraging Early Treatment: Long-term Brain Outcomes in Vitamin D Deficient Patients (VIOLET-BUD)

Cognitive Decline

United States
King Abdullah Medical City

Terminated

Cholecalciferol Supplementation in Critically Ill Patients With Severe Vitamin D Deficiency.

Critical Illness | Vitamin D Deficiency

Saudi Arabia
Wafaie Fawzi
Management and Development for Health (MDH)

Completed

Trial of Vitamin D in HIV Progression, Birth Outcomes, and Child Health (ToV5)

HIV

Tanzania
University of Sao Paulo General Hospital

Completed

Effects of Vitamin D Supplementation in Muscle Strength and Balance Training

Osteoporosis, Postmenopausal | Osteoporosis, Osteopenia

Brazil
Columbia University

Completed

Efficacy of Vitamin D Supplementation in Obese Children

Vitamin D Deficiency | Obesity, Morbid | Obesity, Childhood | Obesity, Pediatric

United States
University of Minnesota

Withdrawn

High Dose Cholecalciferol to Reduce the Incidence of Gestational Diabetes in High Risk Pregnant Women

Gestational Diabetes

United States
Amsterdam UMC, location VUmc
Radboud University Medical Center; Leiden University Medical Center

Completed

Vitamin D Supplementation in Patients With COPD (PRECOVID)

Chronic Obstructive Pulmonary Disease

Netherlands
University of Eastern Finland
Finnish Cultural Foundation; Academy of Finland; Juho Vainio Foundation; Finnish...

Completed

Finnish Vitamin D Trial (FIND) (FIND)

Cardiovascular Diseases | Cancer

Finland
University of Massachusetts, Worcester

Completed

Vitamin D Supplementation for Bipolar Depression

Bipolar Disorder | Bipolar Depression

United States
Katherine D. Crew
Prevent Cancer Foundation

Completed

Study of Vitamin D for Premenopausal Women at High Risk for Breast Cancer

Breast Cancer

United States
University of Pittsburgh

Completed

Defining Vitamin D Insufficiency in School Age Children: A Randomized Placebo Controlled Trial of Vitamin D3 (Vitamin D RCT)

Healthy

United States
University of Toronto
Dairy Farmers of Canada; Public Health Agency of Canada (PHAC)

Completed

Effect of Vitamin D Supplementation on Glucose Tolerance in Subjects at Risk for Diabetes With Low Vitamin D. (EVIDENCE)

Type 2 Diabetes Mellitus | Vitamin D Deficiency

Canada
University of Copenhagen
University College Cork; University of Surrey

Completed

The Effect of Vitamin D Supplements on Vitamin D Status, Cardiometabolic Health and Immune Defense in Danish Children (ODIN Junior)

Vitamin D Deficiency

Denmark
Augusta University

Unknown

Periodontal and Cardiometabolic Responses to Vitamin D Intervention in African Americans With Periodontal Disease (GumD)

Vitamin D Deficiency | Periodontal Disease

United States
Dr. Sima Hashemipour

Unknown

Vitamin D Treatment and Hypocalcemic Pregnant Women

Pregnancy Complications

Iran, Islamic Republic of
Ohio State University

Completed

Vitamin D and Sexual Health (DASH)

Bacterial Vaginosis

United States
Mayo Clinic

Completed

Vitamin D Supplementation in Breastfeeding Women

Vitamin D Deficiency | Rickets | Infant Nutrition Disorders

United States
Parc de Salut Mar

Completed

Generation of Positive Biological Samples to Epoetin for Doping Control.

There Are no Conditions Under Study. Healthy Volunteers
Ortho Biotech Products, L.P.

Terminated

A Dose Conversion Study of Epoetin Alfa in Subjects With the Anemia of Chronic Kidney Disease.

Anemia | Chronic Renal Insufficiency
Johnson & Johnson Pharmaceutical Research & Development...

Completed

A Study to Determine Whether Epoetin Alfa Can Reduce the Need for Blood Transfusions in Patients During the Period of Time Around Major Orthopedic Surgery.

Anemia | Blood Transfusion | Orthopedic Procedures
Johnson & Johnson Pharmaceutical Research & Development...

Completed

The Effect of Epoetin Alfa on the Anemia of Patients With Selected Cancers Receiving Chemotherapy

Lymphoma | Breast Cancer | Multiple Myeloma | Anemia | Ovarian Cancer | Prostate Cancer | Neoplasm | Esophagus Cancer | Carcinoma, Small Cell Lung
Johnson & Johnson Pharmaceutical Research & Development...

Completed

A Study to Evaluate the Safety and Effectiveness of Epoetin Alfa Versus Placebo in Facilitating the Presurgical Collection of Blood to be Used for Self-donation During Surgery on the Spine, Hip, or Knee.

Anemia | Orthopedic Procedures | Blood Transfusions, Autologous
Tufts University

Completed

Vitamin D, Glucose Control and Insulin Sensitivity in African-Americans

Type 2 Diabetes

United States
Second Affiliated Hospital of Soochow University

Unknown

The Deferasirox-calcium-vitamin D3 Therapy for Postmenopausal Osteoporosis (PMOP) (PMOP)

Postmenopausal Osteoporosis

China
Hospital del Trabajador de Santiago

Recruiting

Vitamin D Supplementation and Tibia Fracture. Does it Improve Healing Rate? (ViDco)

Vitamin D Deficiency | Tibial Fractures | Fracture Healing

Chile
Belfast Health and Social Care Trust

Completed

Micronutrient Supplementation in Patients With Heart Failure (MINT-HF)

Heart Failure

United Kingdom
Case Comprehensive Cancer Center

Completed

Vitamin D Supplementation as a Neoadjuvant for Photodynamic Therapy of Actinic Keratoses

Actinic Keratosis

United States
Dr Cipto Mangunkusumo General Hospital

Completed

Effect of Cholecalciferol Supplementation on Disease Activity and Quality of Life of Systemic Lupus Erythematosus Patients .

Quality of Life | Lupus Erythematosus, Systemic | Disease Activity | Cholecalciferol Supplementation

Indonesia
Children's Hospital of Eastern Ontario

Completed

Rapid Normalization of Vitamin D in Critically Ill Children: A Phase II Dose Evaluation Randomized Controlled Trial (VITdAL-PICU)

Hypovitaminosis D

Canada, Austria, Chile
University of North Carolina, Chapel Hill
Johns Hopkins University

Completed

Cathelicidin and Vitamin D: Impact on Populations At-Risk and With COPD

Pulmonary Disease, Chronic Obstructive

United States
Peking Union Medical College Hospital
Yale University; Beijing YouAn Hospital; Beijing Ditan Hospital; Shenzhen Third... and other collaborators

Unknown

Preventing Bone Loss Among Chinese Patients With HIV on ART

HIV/AIDS | Osteoporosis | Bone Loss

China
University of Chester

Completed

Effect of Vitamin D3 Supplementation on Cardiometabolic Risk

Cardiovascular Disease | Diabetes | Bone Disease

United Kingdom
University of Calgary
Pure North S'Energy Foundation

Completed

Dose-dependent Effects of Vitamin D on Bone Health

Age-Related Osteoporosis

Canada
European Institute of Oncology

Terminated

MelaViD: A Trial on Vitamin D Supplementation for Resected Stage II Melanoma Patients (MelaViD)

Melanoma

Italy
VA Office of Research and Development
Medical University of South Carolina

Completed

Vitamin D Supplementation in Veterans With Early-Stage Prostate Cancer (vit D & PCa)

Prostate Cancer

United States
Queen Margaret University
University of Birmingham

Unknown

Lifestyle Modifications for the Treatment of Sarcopenic Obesity

Obesity | Sarcopenia | Sarcopenic Obesity

United Kingdom
York University
Women's Health in Women's Hands Community Health Center

Completed

The Role of Vitamin D3 and Calcium Supplementation in Attenuating T2DM Severity

Type 2 Diabetes Mellitus
Federal University of Paraíba

Unknown

Evaluation of the High Dose Vitamin D3 Supplementation Effect and Influence of Polymorphism VDR Gene on Oxidative Stress and Inflammatory Process in Elderly

Disorder of Aging

Brazil
St. Joseph's Healthcare Hamilton
McMaster University

Completed

A Trial of Vitamin D and Health Advice for the Prevention of Upper Respiratory Tract Infections

Infections | Upper Respiratory Tract Infections | Rhinovirus

Canada
Atlanta VA Medical Center

Withdrawn

Vitamin D in Active Tuberculosis (TB) Study

Tuberculosis

United States
University Hospital of North Norway
Norske Kvinners Sanitetsforening Troms

Completed

High Dosage Vitamin D and Osteoporosis

Osteoporosis | Osteopenia

Norway
Noos S.r.l.

Terminated

Evaluation of Lactobacillus Reuteri DSM 17938 + Vitamin D3 in the Prevention of RRI in Paediatric Patients (LR_D3)

Recurrent Respiratory Tract Infections

Italy
University of Leeds

Not yet recruiting

VItamiN D treatIng Chronic heArT Failure (the Effect of Vitamin D Supplementation in Patients With Heart Failure) (VINDICATE2)

Chronic Heart Failure

United Kingdom
University Hospitals Cleveland Medical Center
Northwestern University

Withdrawn

Tele-health Enabled Clinical Trial for COVID-19

SARS-CoV Infection

United States
Leho Rips
University of Tartu; Estonian Defence Forces

Completed

Vitamin D Supplementation in Conscripts

Vitamin D Deficiency | Military Activity

Estonia
Albert Einstein College of Medicine
National Center for Research Resources (NCRR)

Completed

Effect of Vitamin D Repletion on Insulin Resistance and Systemic Inflammation

Insulin Resistance

United States
Rajavithi Hospital
Queen Sirikit National Institute of Child Health

Completed

Vitamin D Supplementation During Lactation

Deficiency, Vitamin D

Thailand

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