Clinical Trials on Vitamin D Deficiency

Total 9421 results

Milton S. Hershey Medical Center

Completed

Genetic, Dietary and Environmental Influences on Vitamin D Metabolism

Vitamin D Deficiency

United States
University of Wisconsin, Madison

Withdrawn

Evaluation of a Transdermal Vitamin D3 Delivery System, D3forME (D3forME)

Vitamin D Deficiency

United States
Guy's and St Thomas' NHS Foundation Trust

Completed

Vitamin D and Immunity: Photosynthesis Versus Supplementation (IMMUNI-D)

Vitamin D Deficiency
Charles Drew University of Medicine and Science
National Center for Research Resources (NCRR)

Completed

Effect of Vitamin D3 on Vascular Function

Vitamin D Deficiency
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
Medical University of South Carolina
Eunice Kennedy Shriver National Institute of Child Health and Human Development... and other collaborators

Completed

Establishing the Vitamin D Requirements During Lactation

Vitamin D Deficiency

United States
Universitaire Ziekenhuizen KU Leuven

Unknown

Isolation of Vitamin D Binding Protein Isoforms From Human Volunteers

Vitamin D Deficiency

Belgium
Pontificia Universidad Catolica de Chile
Harvard Medical School (HMS and HSDM); Fuerza Aérea de Chile; Instituto Antártico...

Completed

Effects of Antarctic Environment on Vitamin D Status and Health Risk Biomarkers of Its Inhabitants (AntarD)

Vitamin D Deficiency
King Faisal Specialist Hospital & Research Center

Withdrawn

Magnitude of Changes in 25 OH Vitamin D3 Levels After Vitamin D3 Supplementation

Vitamin D Deficiency

Saudi Arabia
Rockefeller University

Completed

The Effect of Oral Vitamin D Versus Narrow-Band UV-B Exposure on the Lipid Profile

Vitamin D Deficiency

United States
University of Surrey
Conselho Nacional de Desenvolvimento Científico e Tecnológico; Universidade...

Completed

Vitamin D Supplementation and Sunlight Exposure in Brazilian Women Living in Opposite Latitudes (The D-SOL Study) (D-SOL)

Vitamin D Deficiency

United Kingdom, Brazil
DongGuk University

Completed

Vitamin D Deficiency Still Growing

Vitamin D Deficiency
Imam Abdulrahman Bin Faisal University

Completed

Topical Delivery of Vitamin D3 as Vitamin D Supplementation

Vitamin D Deficiency

Saudi Arabia
Nancy Ahmed El Salmawy

Unknown

Prevalence of Early Childhood Caries in Egyptian Children With Serum Vitamin D Deficiency.

Vitamin D Deficiency
Bangor University
University of East Anglia

Completed

Vitamin D Status and Immune Function

Vitamin D Deficiency

United Kingdom
Boston University

Completed

The Effect Of Vitamin D On Measures Of Bone Health And Gene Expression

Vitamin D Deficiency

United States
Boston University

Completed

Availability of Vitamin D in Orange Juice

Vitamin D Deficiency

United States
Hospital for Special Surgery, New York

Completed

Vitamin D and Functional Outcomes After Total Hip Arthroplasty (THA)

Vitamin D Deficiency

United States
University of Miami
Merck Sharp & Dohme LLC

Completed

Safety of Vitamin D Supplementation in Older Persons

Vitamin D Deficiency

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
University Hospital Inselspital, Berne
Significantis GmbH

Completed

Prevalence and Consequences of Vitamin D Deficiency in Pregnant Women in Switzerland (PCVDDPWS)

Vitamin D Deficiency

Switzerland
Kwang Dong Pharmaceutical co., ltd.

Completed

A Prospective, Multi-center Study to Evaluate the Efficacy and Safety of Vitamin D3 B.O.N. Intramuscular Injection in Adults With Vitamin D Deficiency

Vitamin D Deficiency
Meir Medical Center

Unknown

Empirical Comperative Study Of Variation Blood Level Antibody Vitamin D at Different Groups Of Patients Compared Healthy Peoples

Vitamin D Deficiency
Chinese Academy of Sciences

Completed

Vitamin D Intervention Trial in Healthy Chinese, Phase II

Vitamin D Deficiency

China
Chinese Academy of Sciences

Completed

Vitamin D Intervention Trial in Healthy Chinese

Vitamin D Deficiency

China
Medical University of Graz
European Union

Completed

Vitamin D and Mortality: an Individual Participant Data Meta-analysis of Standardized 25-hydroxyvitamin D

Vitamin D Deficiency

Austria
Fujirebio Diagnostics, Inc.

Completed

Study Vitamin D in Healthy Individuals

Vitamin D Deficiency

United States
Merck Sharp & Dohme LLC

Completed

A Study to Assess the Effectiveness of an Investigational Drug in Elderly Subjects With Low Vitamin D Levels (0822A-009)

Vitamin D Deficiency
Tufts University
Pfizer

Completed

A Pilot Study of the Effect of Dietary Fat Type and Amount on Vitamin D3 Absorption (MUFA/PUFA)

Vitamin D Deficiency

United States
Chinese Academy of Sciences

Completed

A Single High-dose Oral Supplement of Vitamin D in Young Chinese

Vitamin D Deficiency

China
USDA, Western Human Nutrition Research Center

Completed

Assessment of Vitamin D Supplementation and Immune Function (FL-82)

Vitamin D Deficiency

United States
University College Cork

Completed

Inter-relationship Between Vitamin D Requirements and Calcium Intake in Older Adults (VitD-Ca)

Vitamin D Deficiency

Ireland
Rambam Health Care Campus

Unknown

Bioavailability of Vitamin D Encapsulated in Casein Micelles, Compared to Its Bioavailability in a Synthetic Emulsifier Currently Used for Supplementation and Enrichment. (VD)

Vitamin D Deficiency

Israel
Ulrike Lehmann

Completed

Bioefficiency of of Conventional Fish and Vitamin D Fortified Fish

Vitamin D Deficiency

Germany
Eunice Kennedy Shriver National Institute of Child...

Completed

Prevention of Vitamin D Deficiency

Vitamin D Deficiency

United States
Ulrike Lehmann

Completed

Safety and Bioefficacy of Vitamin D2 and Vitamin D3

Vitamin D Deficiency
Massachusetts General Hospital
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Completed

Different Vitamin D Preparations & FGF23 in Humans

Vitamin D Deficiency

United States
Federal University of Rio Grande do Sul
Hospital de Clinicas de Porto Alegre; Conselho Nacional de Desenvolvimento...

Completed

The Effect of Fat on Vitamin D Absorption (VITD_100484)

Vitamin D Deficiency
Lund University

Completed

Alternative Treatments of Vitamin D Deficiency

Vitamin D Deficiency

Sweden
Nemours Children's Clinic

Completed

Utility of a Urine Screening Tool for Vitamin D Deficiency in Infants and Toddlers

Vitamin D Deficiency

United States
Assaf-Harofeh Medical Center

Completed

Vitamin d Levels and Coronary Catheterization

Vitamin D Deficiency

Israel
Rambam Health Care Campus

Unknown

Interventional Trial of Vitamin D Deficiency in the Patients of General Departments

Vitamin D Deficiency

Israel
Johns Hopkins University
National Institute on Aging (NIA)

Terminated

Study To Understand Fall Reduction and Vitamin D in You (STURDY)

Vitamin D Deficiency | Falls

United States
Haukeland University Hospital

Completed

Micronutrient Status During Pregnancy

Deficiency Vitamins
Second Affiliated Hospital of Wenzhou Medical University

Completed

Effect of Vitamin D Supplementation on Infliximab Response in Patients With Crohn's Disease

Vitamin D Deficiency | Crohn Disease | Vitamin D Supplement

China
Nutrition Institute, Slovenia
National Institute of Public Health, Slovenia; University Medical Centre Ljubljana

Completed

Adults Nutrition as a Protective or Health-risk Factor (NUTRIHEALTH)

Thyroid Diseases | Iron-deficiency | Vitamin D Deficiency | Nutritional Status | Vitamin B 12 Deficiency | Folic Acid Deficiency | Diet | Nutrient Deficiency | Micronutrient Deficiency

Slovenia
Second Affiliated Hospital of Wenzhou Medical University

Unknown

Exploring the Effects of Caltrate Supplement on the Chronic Course of Crohn's Disease Patients With Vitamin D Deficiency

Vitamin D Deficiency | Crohn's Disease | Vitamin D Supplement

China
Second Affiliated Hospital of Wenzhou Medical University

Unknown

Exploring the Effects of Vitamin D Supplementation on the Chronic Course of Patients With Crohn's Disease With Vitamin D Deficiency

Vitamin D Deficiency | Crohn's Disease | Vitamin D Supplement

China
National Taiwan University Hospital

Withdrawn

Effects of Stoss Therapy of Vitamin D3 on Peri-operative Outcomes in Patients Receiving General Surgery

Vitamin D Deficiency | Surgery
Ain Shams University

Completed

Correction of Vitamin D Deficiency and Its Effect on Ovulation Induction in Women With PCOS (VIDEO): A Feasibility RCT (PCOSD)

PCOS

Egypt

Clinical Trials on Vitamin D Deficiency

Sponsors and Collaborators

Medical Conditions

Drug Interventions

CROs by country

CROs in Togo

Conditions

Rare Diseases

Drug Interventions

Dietary Supplements

Sponsor/Collaborators

Locations