Clinical trials: Vitamin D Deficiency Disease
Coronavirus Disease 2019 (COVID-19)
Increased Risk of Severe Coronavirus Disease 2019 in Patients With Vitamin D Deficiency
In this prospective observational study we aim to study the association of vitamin D deficiency with adverse clinical outcomes in patients infected with Coronavirus disease 2019
- Trial name
- COVIT-D (NCT04403932)
- Where
- Spain
- Volunteers
- 300 people
- Sponsor
- Hospital San Carlos, Madrid
Maternal Care Patterns, Child Nutrition Disorders
Relationship Between Maternal Awareness About Vitamin D for Under- Five Years Children and Their Health Status Outcomes
The observational study aims to identify the relationship between maternal awareness about vitamin D for under-five-year-old children and their health status outcomes.
- Conditions
- Maternal Care Patterns, Child Nutrition Disorders, Vitamin D Deficiency
- Trial name
- Vit-D (NCT06562426)
- Testing
- Descriptive group on vitamin D awareness
- Where
- Egypt
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Alexandria University
Hypovitaminosis D
Changes in Serum Vitamin D Level After Different Loading Doses of Cholecalciferol
it is a clinical trial to observe increase in serum vitamin D level and clinical symptoms after 3 different doses of cholecalciferol given either intramuscularly or oral.
- Trial name
- NCT03504280
- Testing
- Cholecalciferol
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
X-linked Hypophosphatemia
Study of KRN23 in Adults With X-linked Hypophosphatemia (XLH)
The primary efficacy objective of this study is to establish the effect of burosumab treatment compared with placebo on increasing serum phosphorus levels in adults with XLH.
- Trial name
- NCT02526160
- Testing
- burosumab
- Where
- 25 sites in United States, France and 5 more
- Volunteers
- 134 people
- Sponsor
- Kyowa Kirin, Inc.
Multiple Myeloma
VitD3 Supplementation in Patients With Multiple Myeloma
The goal of this clinical trial is to evaluate post-transplant immune reconstitution and lymphocyte recovery as well as the 3-year progression-free survival of patients with multiple myeloma in two treatment arms.
- Trial name
- NCT05846880
- Testing
- Lenalidomide, Maintenance Vitamin D, No maintenance Vitamin D
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Amany Keruakous, MD, MS.
Vitamin D Deficiency
A Single Wintertime Dose of Vitamin D3 to Prevent Winter Decline in Vitamin D Status in Healthy Adults
The purpose of this study is to determine if a single dose of vitamin D administered orally in the fall will provide adequate vitamin D in healthy individuals for the duration of the winter, during which vitamin D levels are…
- Trial name
- NCT01924910
- Testing
- 250,000 IU cholecalciferol as single, oral dose
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Emory University
Asthma, Vitamin D Deficiency
The Effect of Vitamin D Replacement on Airway Reactivity, Allergy and Inflammatory Mediators in Exhaled Breath Condensate in Vitamin D Deficient Asthmatic Children
Research Title: The effect of vitamin D replacement on airway reactivity, allergy and inflammatory mediators in exhaled breath condensate in vitamin D deficient asthmatic children.
- Trial name
- NCT01287455
- Testing
- Vitamin D3 as "BABY D3"
- Where
- Israel
- Volunteers
- 83 people
- Sponsor
- Rambam Health Care Campus
Calcium Deficiency, Vitamin D Deficiency
Human Pharmacology Trial of Calcium-vitamin D3 Tablet in Healthy Participants
The purpose of this study is to demonstrate that the intestinal absorption of calcium from a newly developed calcium carbonate-vitamin D3 chewable tablet formulation increases the amount of calcium excreted in urine and decreases…
- Trial name
- Osteopro (NCT01639222)
- Testing
- Calcium 500 mg and Vitamin D3 800 IU, Low calcium meals
- Where
- Germany
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Takeda
Vitamin D Deficiency, 25-Hydroxyvitamin D3 Deficiency, Selective
Vitamin D3-enhanced Eggs in Preschool Children
This is double-blind, controlled fiel trial, to compare fortified egg with D3-or 25(OH)D3 and non-fortified eggs in healthy preschool-age children 12 to 60 months of age, affiliated to day-care centers at Secretaria de Desarrollo…
- Trial name
- VD3-egg (NCT06096194)
- Testing
- vitamin D-enhanced egg, Control
- Where
- Mexico
- Volunteers
- 275 people
- Sponsor
- Instituto Nacional de Salud Publica, Mexico
Chronic Kidney Disease, Vitamin D Deficiency
Vitamin D and Coronary Calcification Study
Patients with chronic kidney disease (CKD) have a higher mortality rate than the general population, with cardiovascular disease (CVD) accounting for approximately 50% of deaths.
- Conditions
- Chronic Kidney Disease, Vitamin D Deficiency, Coronary Calcification, Disorders of Calcium and Bone Metabolism
- Trial name
- VCOR (NCT00752102)
- Testing
- Calcitriol (Rocaltrol®), Paricalcitol
- Where
- United States
- Volunteers
- 44 people
- Sponsor
- Joslin Diabetes Center
Vitamin D Deficiency, Musculoskeletal Diseases
Vitamin D in School Children
The primary purpose of this study it to investigate total circulating 25-hydroxyvitamin D (25(OH)D) in school children (aged 4-11years) in Northern Ireland; thereby establishing the prevalence of vitamin D status (deficiency…
- Conditions
- Vitamin D Deficiency, Musculoskeletal Diseases, Cognitive Delay, Mild
- Trial name
- DVinCHI (NCT05018988)
- Testing
- Oral vitamin D spray
- Where
- United Kingdom
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- University of Ulster
Vitamin D Deficiency, Military Activity
Vitamin D Supplementation in Conscripts
A longitudinal, triple-blinded, randomized, placebo-controlled trial, with a 7-month follow-up period is conducted between October 2016 to April 2017.
- Trial name
- NCT04359524
- Testing
- Vitamin D3 (1200 IU/30µg)
- Where
- Estonia
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Leho Rips
Vitamin D Deficiency, Vitiligo
Synergistic Effect of Vitamin D Supplementation in Patients With Vitiligo and Vitamin D Deficiency
This prospective, randomized, controlled study was approved by the Institutional Review Board of Hallym University Kangnam Sacred Heart Hospital (IRB no. 2018-04-017).
- Trial name
- NCT05364567
- Testing
- cholecalciferol (vitamin D3), Phototherapy
- Where
- South Korea
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- Hallym University Kangnam Sacred Heart Hospital
Vitamin D Deficiency, Hemodialysis Patient
Cholecalciferol Supplementation Effect on Parathyroid Hormone in Hemodialysis Patients
Introduction. Vitamin D regulates mineral metabolism. Its deficiency has been associated with diabetes, cancer and increased mortality. 25OH vitamin D (25VD) is stable and suitable for the evaluation of vitamin D sufficiency.
- Trial name
- NCT03648528
- Testing
- cholecalciferol
- Volunteers
- 120 people
- Sponsor
- Cooperativa Asistencia Sindicato Médico Uruguay
Vitamin D Deficiency, Preterm Infants
Vitamin D Supplementation for Extremely Preterm Infants
The study hypothesis states that giving early enteral Vitamin D supplementation to preterm infants will decrease respiratory morbidity in extremely preterm infants.
- Conditions
- Vitamin D Deficiency, Preterm Infants, Bronchopulmonary Dysplasia
- Trial name
- NCT01600430
- Testing
- Cholecalciferol
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- University of Alabama at Birmingham
Vitamin D Deficiency
Oral or Intra Muscular Vitamin D2 Vs Oral or Intra Muscular Vitamin D3 in Treatment of Vitamin D Deficiency
The main purpose of this research is to find out if there is any difference between treating vitamin D deficiency with oral vitamin D3 or I.M vitamin D2.
- Trial name
- NCT06618365
- Testing
- Vitamin D Deficiency
- Where
- Qatar
- Volunteers
- 100 people
- Sponsor
- Hamad Medical Corporation
Cytokine Storm
The Effect of D3 on Selected Cytokines Involved in Cytokine Storm in the Covid-19 Uninfected Jordanian People
The effect of Weekly 50,000 IU vitamin D3 supplements on the serum levels of selected cytokines involved in cytokine storm of Covid-19; A randomized clinical trial in the Covid-19 uninfected people with vitamin D deficiency.
- Trial name
- NCT04476745
- Testing
- Vitamin D3
- Where
- Jordan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Applied Science Private University
Renal Osteodystrophy
Renal Osteodystrophy: A Fresh Approach
There are two major goals of this project: 1. Comparison of DXA and QCT for diagnosis of bone loss in CKD-5 patients and determination of the prevalence of low bone turnover in CKD-5 patients with bone loss. 2.
- Trial name
- NCT00859612
- Where
- United States
- Volunteers
- 464 people
- Sponsor
- Hartmut Malluche, MD
Chronic Kidney Failure, Chronic Kidney Disease-Mineral and Bone Disorder
Mineral Bone Disorder in Dialysis
This study was conducted with 167 dialysis patients at Erciyes University Faculty of Medicine, Department of Internal Medicine, Department of Nephrology, and Dialysis Unit, with the approval of the Ethics Committee of Erciyes…
- Conditions
- Chronic Kidney Failure, Chronic Kidney Disease-Mineral and Bone Disorder, Dialysis, Hemodialysis
- Trial name
- MBDialysis (NCT07212972)
- Testing
- Hemodialysis or peritoneal Dialysis
- Where
- Turkey (Türkiye)
- Volunteers
- 167 people
- Sponsor
- Çanakkale Onsekiz Mart University
Influenza Vaccine, Immune Response
Evaluation of Metabolic Predictors of Influenza Vaccine Immune Response in the Singapore Elderly Population - the DYNAMIC Trial
The trial aims to evaluate role of metabolic factors including systemic 25-OH D and diabetes in the adaptive immune response (haemagluttination inhibition titer) to influenza vaccine in the elderly.
- Conditions
- Influenza Vaccine, Immune Response, Elderly, Vitamin D Deficiency
- Trial name
- NCT03399357
- Testing
- Influenza Vaccine
- Where
- Singapore
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- Tan Tock Seng Hospital