Clinical trials: Vitamin D3 Deficiency
Vitamin D Deficiency
Effects of Vitamin D Supplementation During Pregnancy on Clinical Outcomes and Immune Function
Researchers at the USDA Western Human Nutrition Research Center and clinicians at UC Davis Medical Center are currently conducting a study on the effects of vitamin D supplementation during pregnancy on maternal health and immune…
- Trial name
- NCT01417351
- Testing
- 400 IU vitamin D3, 2,000 IU Vitamin D3
- Where
- 2 sites in United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
Urticaria, Vitamin D Deficiency
A Trial to Evaluate the Effect of Vitamin D Supplementation in Patients With Chronic Urticaria
This study will be an assessor-blind, randomized controlled trial in patients with CSU. The investigators will compared Vit D level in patients with Chronic spontaneous urticaria (CSU) and controls.
- Trial name
- NCT03991845
- Testing
- Vit D
- Where
- India
- Volunteers
- 262 people, healthy volunteers welcome
- Sponsor
- Post Graduate Institute of Medical Education and Research, Chandigarh
Gingival and Periodontal Disease, Deficiency of Vitamin D3
Study of Vitamin D Supplementation on Improvement of Gums Health
There is a gap in knowledge regarding the effects of Vitamin D supplementation on periodontal status in pregnant wome. The investigators aim to evaluate the potential benefit, if any of vitamin D supplementation during pregnancy…
- Conditions
- Gingival and Periodontal Disease, Deficiency of Vitamin D3, Pregnancy
- Trial name
- VitaminD (NCT01422122)
- Testing
- Vitamin D3
- Where
- Pakistan
- Volunteers
- 115 people
- Sponsor
- Aga Khan University
Multiple Sclerosis, Vitamin D Deficiency
Safety and Immunologic Effect of Low Dose Versus High Dose Vitamin D3 in Multiple Sclerosis
The purpose of this study is to determine the safety and the immunologic effects of supplementation with low-dose and high-dose cholecalciferol (vitamin D3) in patients with multiple sclerosis.
- Trial name
- NCT01024777
- Testing
- Cholecalciferol
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- Johns Hopkins University
Vitamin D Deficiency
Effect of Vitamin D Treatment on Fatigue
Primary objective -Change in Fatigue Assesment Score (FAS) between the first visit (baseline) and 28 (+maximum 7) days after oral administration of 100 000 E vitamin D (Cholecalciferol).
- Trial name
- NCT02022475
- Testing
- Vitamin D
- Where
- Switzerland
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Zurich
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
Nutritional Requirements for Vitamin D in Pregnant Women
Randomised, placebo-controlled dose-response intervention study with vitamin D3 in pregnant women.
- Trial name
- DMAT (NCT02506439)
- Testing
- 10 mcg Vitamin D3, 20 mcg Vitamin D3
- Where
- 2 sites in Ireland
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- University College Cork
Vitamin D Deficiency
The Genetics Behind Vitamin D Status (VitDgen)
The overall purpose of the study is to investigate whether there is a relationship between 26 different single nucleotide polymorphisms (SNPs) in the vitamin D pathway, ultraviolet B (UV-B) irradiation of the skin and vitamin D…
- Trial name
- VitDgen (NCT01741233)
- Testing
- VitDgen
- Where
- 2 sites in Denmark
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- Technical University of Denmark
Kidney Failure, Chronic, Anemia
Cholecalciferol Supplementation for Anemia and Mineral and Bone Disorder in Hemodialysis Patients
The purpose of this study is to determine whether cholecalciferol supplementation decrease the blood concentrations of hepcidin-25 in hemodialysis patients.
- Conditions
- Kidney Failure, Chronic, Anemia, Vitamin D Deficiency, Bone Diseases, Metabolic
- Trial name
- CHAMBER (NCT02214563)
- Testing
- Cholecalciferol, Olive oil
- Where
- 7 sites in Japan
- Volunteers
- 90 people
- Sponsor
- Takayuki Hamano
Asthma-COPD Overlap Syndrome
This Study Include Asthma Chronic Obstructive Pulmonary Disease (COPD) Overlap Patients.Patients Were Vitamin D Deficient.Age Range 40-70 Years, Smokers.Patients Were Advised to Take Either Placebo or Vitamin D3.Lung Functions and Exercise Tolerance Were Assessed at Baseline and at 26th Weeks.
Vitamin D3 supplementation doen not change lung functions and exercise tolerance in vitamin D3 deficient ACO patient was the null hypothesis of the research.
- Trial name
- NCT03880734
- Testing
- Cholecalciferol
- Where
- Bangladesh
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
Renal Osteodystrophy
Low Magnitude Mechanical Stimuli Effects on Bone Structure in ESRD
The proposed 6 month pilot and feasibility randomized trial will evaluate LMMS as an anabolic stimulus to bone in 30 adults on maintenance hemodialysis.
- Trial name
- NCT00364234
- Testing
- Low magnitude mechanical stimuli
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Vitamin D Deficiency
Impact of Vitamin D Supplementation on Cardiometabolic Risk Factors [The Daily D Health Study]
The purpose of this research is to determine what supplemental doses of vitamin D may be necessary to raise serum levels to optimal levels and how vitamin D supplementation and changes in vitamin D status impact cardiovascular…
- Trial name
- NCT01537809
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 691 people, healthy volunteers welcome
- Sponsor
- Tufts University
Hypertension, Vitamin D Deficiency
Effect of Vitamin D Replacement During Winter Months in Patients With Hypertension
High blood pressure is related to increased risk of cardiovascular disease and death, and accounts for approximately 8 mill deaths worldwide each year.
- Trial name
- NCT01166165
- Testing
- Cholecalciferol
- Where
- Denmark
- Volunteers
- 136 people
- Sponsor
- Regional Hospital Holstebro
Vitamin D Status
Vitamin D Supplementation and Immunity/Physical Performance
The purpose of this study is to examine the effect of vitamin D supplementation on vitamin D status, immunity and physical performance.
- Trial name
- NCT03132103
- Testing
- Oral Vitamin D3, Solar simulated radiation (SSR)
- Where
- United Kingdom
- Volunteers
- 260 people, healthy volunteers welcome
- Sponsor
- Bangor University
Hypertensive Disease, Deficiency of Vitamin D3
Effect of Vitamin D3 on Cardiovascular Risk Factors
The aim of this study is to investigate whether a supplementation of Vitamin D3 can be used to reduce atherosclerotic risk factors.
- Trial name
- NCT01501916
- Testing
- Vitamin D3
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Martin-Luther-Universität Halle-Wittenberg
Obesity, Pediatric, Obesity, Childhood
Efficacy of Vitamin D Supplementation in Obese Children
Vitamin D deficiency is common in the general population in the United States, but is more common in overweight and obese children.
- Conditions
- Obesity, Pediatric, Obesity, Childhood, Obesity, Morbid, Vitamin D Deficiency
- Trial name
- NCT02956408
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 6 people
- Sponsor
- Columbia University
Hip Fracture, Vitamin D Deficiency
The Effect of Supplementation of Vitamin D Deficiency in Older People With Acute Hip Fracture:
This study will be done to evaluate the effect of load dose of vitamin D compared to the dose of usual clinical practice, in improving mobility and reducing disability in older people following a hip fracture.
- Trial name
- VITAMINA_D (NCT03213886)
- Testing
- Calcifediol (Vitamin D)
- Where
- Spain
- Volunteers
- 50 people
- Sponsor
- Leonor Cuadra Llopart
Vitamin D Deficiency
Assessment of Vitamin D Supplementation and Immune Function
Hypothesis: Volunteers with vitamin D insufficiency (serum 25(OH)D 25-50 nmol/L) given intermediate or high dose vitamin D supplements (2,000 or 5,000 IU per day) will have increased production of anti-bacterial peptides and…
- Trial name
- FL-82 (NCT01399151)
- Testing
- Vitamin D - Treatment 1, Vitamin D - Treatment 2, Vitamin D - Treatment 3
- Where
- United States
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
Vitamin D Deficiency
High Dose Vitamin D Replacement in Patients Undergoing Hematopoietic Stem Cell Transplantation
The purpose of this study is to test the efficacy and safety of high dose vitamin D therapy among HSCT patients in a tiered, step-wise manner (step one/two) in order to define treatment doses capable of providing vitamin D…
- Trial name
- NCT02876822
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Sarcopenia, Chronic Kidney Diseases
Sarcopenia, Fall and Osteoporosis in Chronic Kidney Disease
This study is a cross-sectional study that wishes to investigate whether there is an increased incidence of sarcopenia in patients with chronic kidney disease compared to the Danish background population.
- Conditions
- Sarcopenia, Chronic Kidney Diseases, Osteoporosis
- Trial name
- NCT04515342
- Testing
- DXA, Muscle strength and function assessment, Blood samples
- Where
- 2 sites in Denmark
- Volunteers
- 140 people
- Sponsor
- Herlev Hospital