Clinical trials: Deficiency of Vitamin D3
Vitamin D Deficiency, Immunosuppression
Helminth Infection During Pregnancy on Vitamin D Regulation: HELMVIT Study
Purpose: To examine whether helminth infection during pregnancy alters Vitamin-D-metabolism and reactivity of the child's immune system Hypothesis: Helminth infection during pregnancy is associated with altered Vitamin D levels…
- Trial name
- HELMVIT (NCT04324853)
- Testing
- Microscopy ( Urine filtration), UCAA test, qPCR,, Microscopy (Kato Katz, Coproculture, Harada Mori, MIF), qPCR,
- Where
- Gabon
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Centre de Recherche Médicale de Lambaréné
Pneumonia, Vitamin D Deficiency
Kabul Vitamin D Supplementation Trial
Background: Pneumonia is the leading cause of childhood mortality, accounting for 19% of the 10.6 million deaths that occur each year1.
- Trial name
- NCT00548379
- Testing
- vitamin D
- Where
- 2 sites in Afghanistan
- Volunteers
- 3,048 people, healthy volunteers welcome
- Sponsor
- London School of Hygiene and Tropical Medicine
Vitamin D Deficiency
Vitamin D of Chinese Children and Adolescents
The aim of this study was to assess the vitamin D status and analyze risk factors for vitamin D inadequacy of Chinese children and adolescents aged 6-17y.
- Trial name
- NCT03221972
- Where
- China
- Volunteers
- 15,000 people
- Sponsor
- Lichen Yang
Hemodialysis, Hyperphosphatemia
Outcome Study of Lanthanum Carbonate Compared With Calcium Carbonate in Hemodialysis Patients : Landmark Study
The purpose of this study is to demonstrate decrease in cardiovascular mortality and morbidity in Japanese hemodialysis patients treated with Lanthanum carbonate compared with those with Calcium carbonate.
- Trial name
- LANDMARK (NCT01578200)
- Testing
- Lanthanum Carbonate, Calcium Carbonate
- Where
- Japan
- Volunteers
- 2,309 people
- Sponsor
- Translational Research Center for Medical Innovation, Kobe, Hyogo, Japan
X-linked Hypophosphatemia
Study of KRN23 (Burosumab), a Recombinant Fully Human Monoclonal Antibody Against Fibroblast Growth Factor 23 (FGF23), in Pediatric Subjects With X-linked Hypophosphatemia (XLH)
The objectives of the study are to: Identify a dose and dosing regimen of burosumab, based on safety and pharmacodynamic (PD) effect, in pediatric XLH participants Establish the safety profile of burosumab for the treatment of…
- Trial name
- NCT02163577
- Testing
- burosumab
- Where
- 9 sites in United States, France and 2 more
- Volunteers
- 52 people
- Sponsor
- Kyowa Kirin, Inc.
Rickets
Study to Assess the Use of a Simple Lab Test to Screen for Rickets in Children
Some experts recommend that all breastfed babies receive supplemental vitamin D. The purpose of this study is to determine the rate of vitamin D use in breastfed babies, the recommendations of pediatricians regarding vitamin D…
- Trial name
- NCT00502866
- Where
- United States
- Volunteers
- 246 people, healthy volunteers welcome
- Sponsor
- Agency for Healthcare Research and Quality (AHRQ)
Vitamin D Deficiency, Body Composition
GraviD-child Follow-up of the Children´s Health, Growth and Development Within the GraviD-study
GraviD is a multi-ethnic population-based pregnancy cohort. Pregnant women were invited to participate in the GraviD study when registering for antenatal care in parts of the region of Västra Götaland in Sweden in 2013-2014.
- Conditions
- Vitamin D Deficiency, Body Composition, Vascular Health, Cardiometabolic Risk
- Trial name
- NCT05228925
- Testing
- Maternal vitamin D status
- Where
- Sweden
- Volunteers
- 172 people
- Sponsor
- Göteborg University
X-Linked Hypophosphatemia
Study of the Safety, Pharmacodynamics (PD) and Efficacy of KRN23 in Children From 1 to 4 Years Old With X-linked Hypophosphatemia (XLH)
The primary objectives of the study are to: Establish the safety profile of KRN23 for the treatment of XLH in children between 1 and 4 years old Determine the PD effects of KRN23 treatment on serum phosphorus and other PD markers…
- Trial name
- NCT02750618
- Testing
- Burosumab
- Where
- 3 sites in United States
- Volunteers
- 13 people
- Sponsor
- Kyowa Kirin, Inc.
Obesity, Insulin Resistance
Correction of Vitamin D Levels and Its Effect on Insulin Resistance and Weight Gain in Obese Youth
Vitamin D deficiency is extremely common in obese youth. In our obese population followed in the Endocrinology clinic at Children's Medical Center Dallas, vitamin D levels were inversely correlated with a measure of insulin…
- Conditions
- Obesity, Insulin Resistance, Vitamin D Deficiency
- Trial name
- NCT02168660
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 109 people
- Sponsor
- Perrin C White, MD
Obesity, Vitamin D Deficiency
Effect of Exercise on Vitamin d in Obese
The aim of the current study was to investigate the effect of exercise-induced lipolysis on vitamin D status in obese children. Two types of exercises that have different effects on lipolysis were used.
- Trial name
- NCT05066490
- Testing
- Endurance exercise, Resistance exersises.
- Where
- Saudi Arabia
- Volunteers
- 30 people
- Sponsor
- Taif University
Vitamin d Deficiency
Blue Sky Study: Impact of Milk and Vitamin D for Child Growth and Health
This intervention study will address the impact of vitamin D fortified milk and vitamin D supplements on the growth, levels of vitamin D, insulin-like growth factor 1, growth hormone, academic attention, respiratory infections…
- Trial name
- BSS (NCT00886379)
- Testing
- Mongolian milk without vitamin D, Mongolian milk with vitamin D, UHT milk
- Volunteers
- 597 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Autism
Influence of Vitamin D Deficiency on the Development of Autism
The investigators wish to study the effect of Vitamin D on the development of autism in children. The investigators will also investigate the environmental and genetic influences on the level of Vitamin D in children with autism.
- Trial name
- NCT02222311
- Testing
- Blood Samples
- Where
- Israel
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Hillel Yaffe Medical Center
Pediatric Fractures, Hypovitaminosis D
Bone Outcomes, Obesity, Sunlight, and Trauma in Children
Prospective case-control study of children (3-15 years) after low-energy trauma. We compare serum bone metabolic markers (25OHD, PTH, ALP, calcium, phosphate), BMI/percentile, and dietary calcium intake between fracture and…
- Conditions
- Pediatric Fractures, Hypovitaminosis D, Obesity and Overweight
- Trial name
- BOOST (NCT07143552)
- Where
- 2 sites in Italy
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Paracelsus Medical University
Obesity, Childhood
Monthly Boluses Versus Daily Doses for Correcting Blood Vitamin D Deficit in Obese Children and Adolescents
Childhood obesity is one of the most serious public health challenges of the 21st century, with an increasing prevalence over time in developed countries.
- Trial name
- OBEVIDOS (NCT03516968)
- Testing
- Monthly bolus of cholecalciferol per os, Daily dose of cholecalciferol per os
- Where
- 4 sites in France
- Volunteers
- 68 people
- Sponsor
- Hospices Civils de Lyon
End Stage Renal Disease, Hyperparathyroidism, Secondary
Mineral and Bone Disorders Outcomes in Stage 5D of Chronic Kidney Disease
The MBD-5D is a prospective observational study with a case-cohort and a cohort design. Eligible patients are receiving hemodialysis and have secondary hyperparathyroidism.
- Trial name
- MBD-5D (NCT00995163)
- Where
- Japan
- Volunteers
- 8,020 people
- Sponsor
- Kyowa Kirin Co., Ltd.
Vitamin D Deficiency, Osteopenia of Prematurity
The High Initial Dose of Monitored Vitamin D Supplementation in Preterm Infants.
The aim of this study will be to assess the effectiveness of monitored vit D supplementation in a population of preterm infants and to identify whether the proper vit D supplementation in preterm infants can reduce the incidence…
- Conditions
- Vitamin D Deficiency, Osteopenia of Prematurity, Nephrolithiasis, Metabolic Bone Disease
- Trial name
- HIDVID (NCT06199102)
- Testing
- cholecalciferol/ Devikap
- Where
- Poland
- Volunteers
- 130 people
- Sponsor
- Princess Anna Mazowiecka Hospital, Warsaw, Poland
Rickets
Ultrasound Imaging and Quantitative Vibro-Acoustic Assessment of Rickets Under the Age of Ten
The goal of this study is to find out if the use of ultrasound pictures of bones can spot changes in the growth areas of children with rickets, a condition that affects how bones harden.
- Trial name
- NCT06385938
- Testing
- Ultrasound with quantitative vibro-acoustic assessment
- Volunteers
- healthy volunteers welcome
- Sponsor
- Mayo Clinic
Irritable Bowel Syndrome (IBS), Vitamin D Deficiency
Role of Vitamin D Supplementation in Children With Irritable Bowel Syndrome
This study was designed to determine whether vitamin D supplementation improved symptoms in children with irritable bowel syndrome, a condition associated with repeated abdominal pain and changes in bowel habits.
- Trial name
- NCT07914478
- Testing
- Vitamin D3
- Where
- Pakistan
- Volunteers
- 48 people
- Sponsor
- Aziz Bhatti Shaheed Teaching Hospital
Hypophosphatemia, Rickets
The Impact of Phosphate Metabolism on Healthy Aging
Determine the association between duration and dose of chronic conventional therapy with Pi and renal (nephrocalcinosis/nephrolithiasis), vascular (endothelial function), and cardiovascular function (echo- cardiography) in…
- Conditions
- Hypophosphatemia, Rickets, Hypercalciuria, XLH
- Trial name
- NCT03771105
- Testing
- phosphate
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Yale University
Hypovitaminosis D
Rapid Normalization of Vitamin D in Critically Ill Children: A Phase II Dose Evaluation Randomized Controlled Trial
Documented roles for vitamin D in calcium homeostasis, cardiovascular and respiratory health, inflammation, innate immunity, and neuromuscular function have led to the hypothesis that deficiency might represent a modifiable risk…
- Trial name
- VITdAL-PICU (NCT02452762)
- Testing
- Vitamin D3
- Where
- 4 sites in Austria, Canada and 1 more
- Volunteers
- 67 people
- Sponsor
- Children's Hospital of Eastern Ontario