Clinical trials: Deficiency, Vitamin D
Vascular Disease, CKD-MBD - Chronic Kidney Disease Mineral and Bone Disorder
Biomarkers and Event Patterns of Vascular Disease in Hemodialysis
Parathyroid hormone (PTH) remains the central biomarker to classify CKD-metabolic bone disease (CKD-MBD) in hemodialysis patients.
- Trial name
- HEMOcalc (NCT07170761)
- Where
- Austria
- Volunteers
- 475 people
- Sponsor
- Medical University of Graz
Cardiovascular Disease
Does Deficiency in Vitamin D Induced Hypercoagulation or Thrombin Generation
Working hypothesis and aims: The aim of our study is to investigate whether vitamin D deficiency could cause increased thrombin generation and a hypercoagulable state healthy volunteers.
- Trial name
- NCT01761669
- Testing
- Vitamin D
- Where
- Israel
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- HaEmek Medical Center, Israel
Phosphorus and Calcium Disorders, Chronic Kidney Disease Mineral and Bone Disorder
Calcium and Phosphorus Whole-Body Balance and Kinetics in Patients With Moderate Chronic Kidney Disease
This pilot study aims to develop a method for simultaneous whole-body calcium and phosphorus balance and full kinetic modeling of both ions in patients with chronic kidney disease.
- Conditions
- Phosphorus and Calcium Disorders, Chronic Kidney Disease Mineral and Bone Disorder, Chronic Kidney Diseases
- Trial name
- NCT04019379
- Testing
- High Phosphorus Diet, Low Phosphorus Diet
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- University of Minnesota
Schizophrenia, Metabolic Syndrome
The Influence of Vitamin D on Atypical Antipsychotic-induced Weight Gain
Schizophrenia and bipolar disorders are major public health problems. The second generation anti-psychotic drugs have efficacy for both positive and negative symptoms and a favorable risk profile as far as movement disorders.
- Conditions
- Schizophrenia, Metabolic Syndrome, Vitamin D Deficiency
- Trial name
- NCT02281162
- Testing
- Blood Draw
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Creighton University
Epilepsy
Effect of Three Different Doses of Oral Cholecalciferol on 25-Hydroxyvitamin D Changes Among Epilepsy Patients With Hypovitaminosis D
To characterize the effect of three different doses of vitamin D3 supplementation on serum 25-hydroxyvitamin D (25(OH)D) changes in epilepsy patients receiving enzyme-inducing antiepileptic drugs (EIAEDs) versus patients…
- Trial name
- NCT02890823
- Testing
- Cholecalciferol
- Volunteers
- 210 people
- Sponsor
- Chulalongkorn 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.
Nutritional Rickets, Bone Turnover Rate Disorder
Effectiveness of Vitamin C Supplementation in Treatment of Rickets
Effectiveness of therapeutic dose of vitamin C in infants and children with nutritional rickets as an adjuvant therapy with vitamin D and calcium The study is two armed Randomized Control Trial, to validate the role of Vit C…
- Trial name
- NCT05310760
- Testing
- Vit C
- Where
- Egypt
- Volunteers
- 88 people
- Sponsor
- Cairo University
Vitamin D Deficiency, Dental Caries
Maternal Vitamin D Levels in Pregnancy and Dental Caries in Children
The main aim of this study is to investigate potential associations between maternal pre- and postnatal vitamin D level and oral health outcomes (caries and developmental defects of enamel) in their children at 7-9 years of age.
- Conditions
- Vitamin D Deficiency, Dental Caries, Dental Enamel Hypoplasia
- Trial name
- NCT03273725
- Testing
- Dental examination including taking a saliva sample.
- Volunteers
- 178 people, healthy volunteers welcome
- Sponsor
- Tannhelsetjenestens Kompetansesenter Midt-Norge
Neurosonographic Findings of Vitamin D Deficiency
Neurosonographic Findings in Pregnant Women With Vitamin D Deficiency
In the study, the potential effects of vitamin D deficiency on fetal neurodevelopmental parameters will be examined. In this context, fetal brain development will be compared between pregnant women with and without vitamin D…
- Trial name
- NCT06903247
- Testing
- Neurosonographic Findings of Vitamin D Deficiency in Single Healthy Pregnancies Presenting for Routine Antenatal Care Between 20-30 Weeks of Gestation.
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Sanliurfa Education and Research Hospital
Vitamin D Deficiency
Vitamin D During Pregnancy
Vitamin D insufficiency is common globally. Pregnant women, who need an increased supply of this vitamin for the proper development of the fetus, are a significant risk group.
- Trial name
- NCT01589783
- Testing
- completion of a questionnaire, Blood draw
- Where
- Israel
- Volunteers
- 764 people, healthy volunteers welcome
- Sponsor
- Hadassah Medical Organization
Fracture Healing, Vitamin D3
The Vitamin K2 and D3 Intervention Trial in Children and Adolescents With the Low-energy Fractures
a prospective, three- month, randomized, double-blind, placebo-controlled, intervention trial (RDBPC), investigating the effect of vitamin K2 (menaquinone-7) and vitamin D3 on the healing process of low-energy bone fractures in…
- Conditions
- Fracture Healing, Vitamin D3, Deficiency of Vitamin K2
- Trial name
- NCT03871322
- Testing
- Vitamin D and K2 supplementation, Vitamin D supplementation
- Where
- Poland
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Medical University of Bialystok
Chronic Kidney Disease Mineral and Bone Disorder, Renal Osteodystrophy
The Effect of Etelcalcetide on CKD-MBD
The proposed study will investigate the effects of etelcalcetide on the bone and blood-vessel health in patients with CKD-MBD. The investigators will test if etelcalcetide makes bone and blood-vessels healthier.
- Conditions
- Chronic Kidney Disease Mineral and Bone Disorder, Renal Osteodystrophy, Vascular Calcification, Hyperparathyroidism; Secondary, Renal
- Trial name
- Parsabiv-MBD (NCT03960437)
- Testing
- Etelcalcetide
- Where
- United States
- Volunteers
- 22 people
- Sponsor
- Thomas Nickolas, MD MS
Vitamin D Deficiency, Diabetes Mellitus
Vitamin D and HbA1c Levels in Diabetic Patients With CKD
The purpose of this study is to determine the association between serum 25-hydroxyvitamin D and HbA1c levels in diabetic patients with chronic kidney disease.
- Trial name
- NCT02906319
- Volunteers
- 100 people
- Sponsor
- Ng Yong Muh
Vitamin D Deficiency
Efficacy of Vitamin D2 to Treat Chronic Kidney Disease Mineral and Bone Disorder
It is hypothesised that the efficacy and safety of Vitamin D2 soft capsule to treat the Chronic Kidney Disease Mineral and Bone Disease (CKD-MBD) are equal to 1,25(OH)2 Vitamin D3 (Rocaltrol) in the patients with CKD stage 3-5.
- Trial name
- NCT01633853
- Testing
- Vitamin D2, 1,25(OH)2 Vit D3
- Where
- China
- Volunteers
- 204 people
- Sponsor
- Dongliang Zhang, MD
Vitamin D Deficiency, End Stage Renal Disease
A Study of Fixed Dose Versus Serum Level-Based Titration Regimen of Vitamin D Supplementation in Dialysis Patients
Vitamin D insufficiency, defined as serum 25-hydroxyvitamin (OH) D level less than 30 ng/ml, is highly prevalent not only in the general population but also in chronic kidney disease (CKD) population.
- Trial name
- NCT05434377
- Testing
- ergocalciferol supplementation, dialysis techniques, sunlight exposure time
- Where
- Thailand
- Volunteers
- 78 people
- Sponsor
- Chulalongkorn University
Hypovitaminosis D
The Effect of Hypovitaminosis D and Vitamin D Supplementation on Fracture Nonunion Rates
The purpose of the study is to determine whether vitamin D supplementation in patients with hypovitaminosis D can decrease nonunion (failure to heal) incidence in patients with fractures of the humerus, femur, or tibia.
- Trial name
- VitD (NCT01691833)
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 113 people
- Sponsor
- Wake Forest University Health Sciences
Hypovitaminosis D
Impact of Hypovitaminosis D on Bone Disease in HIV Infected Patients
To determine the prevalence of hypovitaminosis D in HIV infected patients, and the consequences on secondary hyperparathyroidism, and bone mineral density (BMD).
- Trial name
- PuraVIHta (NCT02351284)
- Testing
- Measurement
- Where
- Spain
- Volunteers
- 300 people
- Sponsor
- Jose L. Casado
Secondary Hyperparathyroidism
Etelcalcetide to Treat Secondary Hyperparathyroidism in Hemodialysis Patients With Chronic Kidney Disease-Mineral and Bone Disorder
The purpose of this study is to evaluate the effect of thrice weekly intravenous (IV) administration of etelcalcetide in the treatment of secondary hyperparathyroidism (SHPT) in hemodialysis patients with chronic kidney…
- Trial name
- NCT01414114
- Testing
- Etelcalcetide
- Volunteers
- 37 people
- Sponsor
- KAI Pharmaceuticals
Deficiency of Vitamin D3
Dietary Intake and Vitamin D Level in Adult Women
Vitamin D deficiency is most diagnosed among women living in the Kingdom of Saudi Arabia. Many factors have been attributed to the incidence of vitamin D deficiency.
- Trial name
- VDAW (NCT02921204)
- Testing
- Vitamin D status
- Volunteers
- 168 people, healthy volunteers welcome
- Sponsor
- Princess Nourah Bint Abdulrahman University
Cancer Cachexia, Vitamin D Deficiency
Vitamin D for Muscle Metabolic Function in Cancer Cachexia
The proposed study is aimed at examining mitochondrial function as a potential target of action of vitamin D on muscle metabolism, size, and strength in preventing the progression of cachexia.
- Trial name
- NCT03144128
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- David Travis Thomas
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