Search clinical trials for: Vitamin D

Total 15594 results

Universitaire Ziekenhuizen KU Leuven
KU Leuven

Completed

Vitamin D in Bronchiolitis Obliterans Syndrome (VIT001)

Bronchiolitis Obliterans | Lung Transplantation | Allograft Rejection

Belgium
Yangzhou University
Subei People's Hospital of Jiangsu Province

Not yet recruiting

Effects of Different Doses of Vitamin D on Cancer-related Cognitive Impairment in Patients With Gastrointestinal Tumors

Gastrointestinal Neoplasms | Cognitive Impairment

China
Kyowa Kirin, Inc.
Kyowa Kirin Co., Ltd.

Completed

Efficacy and Safety of Burosumab (KRN23) Versus Oral Phosphate and Active Vitamin D Treatment in Pediatric Patients With X Linked Hypophosphatemia (XLH)

X-Linked Hypophosphatemia

Korea, Republic of, Canada, United States, Australia, Japan, United Kingdom, Sweden
Postgraduate Institute of Medical Education and...

Completed

Short Term, High Dose Vitamin D Supplementation in Moderate to Severe COVID-19 Disease (SHADE-S)

Covid19

India
Nemours Children's Clinic
NASPGHAN Foundation

Completed

Vitamin D3 Supplementation in Pediatric IBD: Weely vs Daily Dosing Regimens

Inflammatory Bowel Disease (IBD)

United States
US Department of Veterans Affairs
Kessler Foundation

Completed

Vitamin D and Calcium Study

Spinal Cord Injury

United States
University of Calgary

Recruiting

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

Optic Neuritis

Canada
Queen Mary University of London
Cancer Research UK; Barts and the London School of Medicine and Dentistry

Completed

A Study to Examine the Effectiveness of Aspirin and/or Vitamin D3 to Prevent Prostate Cancer Progression (PROVENT)

Prostate Cancer

United Kingdom
University of North Carolina, Chapel Hill
North Carolina Translational and Clinical Sciences Institute

Recruiting

Precision Medicine and Physical Function (HMB)

Frailty | Multiple Chronic Conditions | Weakness, Muscle

United States
Bumi Herman

Completed

Vitamin D Supplementation and Clinical Improvement in COVID-19

COVID-19

Indonesia
University Hospital, Basel, Switzerland

Completed

Influence of Kidney Performance and Magnesium on Formation of (OH)2-vitamin D3

Hydroxylase Deficiency
Ioannis K. Triantafyllopoulos, MD,MSci,PhD

Completed

Effect of Calcium and Vitamin D Supplementation With and Without Collagen Peptides in Postmenopausal Women With Osteopenia

Osteopenia | Postmenopausal Osteopenia
PepsiCo Global R&D

Completed

Physiological and Dietary Characteristics of Boys and Girls High School Basketball Players

Bone Health

United States
Jewish General Hospital
McGill University

Completed

Vitamin Therapy in JGH Patients

Patients With Hypovitaminosis C and D | Vitamin Deficiencies

Canada
St George's, University of London

Completed

Vitamin D Supplementation in CKD - Vascular Function, Structure and Immune Regulation

Atherosclerosis | Chronic Kidney Disease

United Kingdom
Yaounde Central Hospital

Completed

Short Term Cardiovascular Effects and Oxidative Status of Calcium and Vitamin D Supplementation of Postmenopausal Hypertensive Blacks Women

Hypertension | Postmenopausal Disorder

Cameroon
National Research Council, Spain

Completed

Iron-fortified Flavoured Skimmed Milk With or Without Vitamin D in Iron Deficient Women

Iron Deficiency
Eunice Kennedy Shriver National Institute of Child...

Completed

Prevention of Vitamin D Deficiency

Vitamin D Deficiency

United States
University of Zurich

Completed

Pharmacokinetic Study: Effect of 25(OH)D and Vitamin D3 on Serum 25(OH)D

Healthy

Switzerland
Elvir SAS
University Hospital, Clermont-Ferrand

Completed

Study of the Osteoprotector Effects of a Milk Product Based on Anthocyans and Enriched in Calcium and Vitamin D

Osteoporosis

France
Odense University Hospital
Pfizer; University of Southern Denmark; Region of Southern Denmark; Odense Patient... and other collaborators

Completed

Vitamin D and Cardiovascular Events in Rheumatoid Arthritis

Cardiovascular Disease | Rheumatoid Arthritis
University Hospital, Angers

Completed

GAit, MEmory, Dietary and Vitamin D (GAME-D2)

Memory Complaint Without Cognitive Decline

France
Hillel Yaffe Medical Center

Unknown

Development of Non-invasive Method for Quantifying Vitamin D Levels in the Body Using Spectroscopy

Deficiency of Vitamin D Blood Test

Israel
University of Dublin, Trinity College

Completed

Effects of Vitamin D3 Supplementation on Cognitive Function in Community Dwelling Older Adults

Healthy

Ireland
Indonesia University

Enrolling by invitation

The Efficacy and Safety of Topical Vitamin D and Supplementation In Acne Vulgaris The Study of VDR, IL-1β, IL-6, IL-10 and IL-17 Expression

Acne Vulgaris | Vitamin D

Indonesia
Sohag University

Completed

Nutritional Deficiency After Bariatric Surgeries

Nutritional Deficiency

Egypt
Tufts Medical Center
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK); American... and other collaborators

Completed

Vitamin D and Type 2 Diabetes Study (D2d)

Type 2 Diabetes | Prediabetes

United States
AryoGen Pharmed Co.

Unknown

Comparing Efficacy and Safety of AryoGen Pharmed Biosimilar Denosumab 60 mg (Arylia) Versus Prolia® in Improvement of Bone Mineral Densitometry (BMD) Among Osteoporotic Postmenopausal Women

Osteoporosis

Iran, Islamic Republic of
Barts & The London NHS Trust

Completed

Vitamin D, Chronic Kidney Disease (CKD) and the Microcirculation

Vitamin D Deficiency | Chronic Kidney Disease

United Kingdom
Oxford Brookes University
University of Oxford; HM Prison and Probation Service, United Kingdom; Ministry... and other collaborators

Recruiting

Effects of Vitamin D on the Behaviours, Mental, and Physical Health of Prisoners

Vitamin D Deficiency | Depression, Anxiety | Behavior | Bone Density, Low | Mental Wellbeing

United Kingdom
Pauls Stradins Clinical University Hospital

Completed

The Effects of a Sublingual Sprayable Microemulsion of Vitamin D on Inflammatory Markers in COVID-19 Patients

COVID-19 | Vitamin D Deficiency

Latvia
Drexel University
American Heart Association

Completed

Magnesium and Vitamin D Supplementation and Cardiometabolic Outcomes

Vitamin D Deficiency | Overweight and Obesity | Cardiovascular Risk Factor | Magnesium Deficiency

United States
Arkansas Children's Hospital Research Institute
University of Arkansas

Unknown

Effects of Swallowed Steroids on Bone Density and Growth in Pediatric Eosinophilic Esophagitis

Eosinophilic Esophagitis

United States
Brigham and Women's Hospital

Terminated

Vitamin D 2 to Dialysis Patients (D2D)

Pain | Fractures, Bone | Muscle Weakness | Kidney Disease
Chuncheon Sacred Heart Hospital
Korean Diabetes Association

Completed

The Effect of Vitamin D Supplementation in Type 2 Diabetes (VD2000)

DIABETES MELLITUS

Korea, Republic of
Augusta University

Completed

Vitamin D Supplement Study for Adolescents (VIP)

Obesity | Overweight | Vitamin D Deficiency

United States
Inspired Life Medical, Inc.

Completed

Vitamin D Absorbance Study - Clinical Trial of the Absorbance of Nano Liquid D3 (ViDAS)

Vitamin D Deficiency

United States
Federal Research Clinical Center of Federal Medical...

Completed

The Efficacy of Vitamin D Supplementation in Patients With Severe and Extremely Severe COVID-19 (COVID-VIT)

SARS-CoV2 Infection

Russian Federation
University of Minnesota

Completed

Vitamin D Levels Following Topical Application of Vitamin D Ointment (VITD-001)

Vitamin D Deficiency

United States
Massachusetts General Hospital

Completed

Vitamin D Deficiency in Adolescent Girls

Healthy | Vitamin D Deficiency

United States
Solvay Pharmaceuticals

Completed

Study to Investigate if Adding Lactulose to Vitamin D and Calcium Has an Effect on the Preservation of Bone in Postmenopausal Women

Osteopenia

Spain
University Hospital, Basel, Switzerland

Completed

Vitamin D 24'000 IU for Oral Intermittent Supplementation (DO-IT)

Vitamin D Deficiency

Switzerland
Laval University
Canadian Institutes of Health Research (CIHR)

Completed

Pilot Study on Metabolic Effects of Fish Peptides and Vitamin D (BONITO)

Insulin Resistance | Prediabetes

Canada
Takayuki Hamano
The Japan Kidney Foundation; Molecular Physiological Chemistry Laboratory,... and other collaborators

Completed

Cholecalciferol Supplementation for Anemia and Mineral and Bone Disorder in Hemodialysis Patients (CHAMBER)

Anemia | Vitamin D Deficiency | Kidney Failure, Chronic | Bone Diseases, Metabolic

Japan
University of Helsinki
Päivikki and Sakari Sohlberg Foundation, Finland; Lilly Foundation

Completed

Oral Vitamin D Supplementation in Elderly Women

Optimal Vitamin D Administration

Finland
Imam Abdulrahman Bin Faisal University

Completed

Topical Delivery of Vitamin D3 as Vitamin D Supplementation

Vitamin D Deficiency

Saudi Arabia
Emory University
Dermatology Foundation

Terminated

Vitamin D Status, Disease Specific and Quality of Life Outcomes in Patients With Cutaneous Lupus

Cutaneous Lupus Erythematosus

United States
Brigham and Women's Hospital
National Cancer Institute (NCI)

Active, not recruiting

VITamin D and OmegA-3 TriaL: Effects on Mammographic Density and Breast Tissue (VITAL)

Benign Breast Disease

United States
Baqai Institute of Diabetology and Endocrinology
Scotmann Pharmaceuticals

Recruiting

Vitamin D and Painful Diabetic Neuropathy

Painful Diabetic Neuropathy

Pakistan
Institut Phoceen de Nephrologie

Recruiting

Does Correction of 25 OH-VITAmin D With Cholecalciferol Supplementation Increase Muscle Strength in hemoDIALysis Patients? (VITADIAL)

hemoDIALysis Patients

France

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