Clinical trials: Deficiency, Vitamin D
Vitamin D Deficiency, Hematopoietic Stem Cell Transplantation (HSCT)
Vitamin D Replacement Using Oral Thin Film (OTF) Cholecalciferol in Patients Undergoing Hematopoietic Stem Cell Transplantation
The investigators hypothesize that vitamin D levels can be improved in hematopoietic stem cell transplantation (HSCT) recipients not responding or tolerating standard enteral supplementation options by using vitamin D oral thin…
- Trial name
- NCT04818957
- Testing
- Oral Thin Film (OTF) Cholecalciferol (Vitamin D3)
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Early Childhood Caries, Vitamin D Deficiency
Vitamin D Status With Early Childhood Caries
Studies that give people vitamin D supplements to prevent caries have found that vitamin D is effective at preventing the development of caries.
- Trial name
- NCT03521492
- Testing
- serum vitamin D , calcium , parathyroid hormone and albumin level
- Where
- Saudi Arabia
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Ministry of Health, Saudi Arabia
Vitamin D Deficiency
A Study to Assess the Effectiveness of an Investigational Drug in Elderly Subjects With Low Vitamin D Levels (0822A-009)
This study will assess the effectiveness of an investigational drug in elderly subjects with low vitamin D levels.
- Trial name
- NCT00242476
- Testing
- MK0822A
- Volunteers
- 216 people, healthy volunteers welcome
- Sponsor
- Merck Sharp & Dohme LLC
Vitamin D Deficiency, Crohn Disease
the Effect of Vitamin D in Crohn's Disease
To evaluate the efficacy and safety of 12-week goal-directed therapy in the treatment of refractory inflammatory patients, and to initially explore treatment options.
- Trial name
- NCT04134065
- Testing
- Vitamin D
- Volunteers
- 30 people
- Sponsor
- Nanjing University School of Medicine
Nursing Home, Vitamin D Deficiency
SUN LIGHT EXPOSURE AND VITAMIN D LEVEL IN NURSING HOME
Objective: The aim of the present study was to determine the effect of nursing interventions and sunlight exposure to reach optimum vitamin D levels by individuals living in nursing homes on vitamin D levels.
- Trial name
- NCT04469257
- Testing
- Sunbathing
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people
- Sponsor
- Tokat Gaziosmanpasa University
Vitamin D Deficiency
Rapid Normalization of Vitamin D Deficiency in PICU
Vitamin D plays an important role in calcium balance, heart and lung health, inflammation, infection prevention, and muscle strength.
- Trial name
- VITdALIZE-KIDS (NCT03742505)
- Testing
- Cholecalciferol
- Where
- 10 sites in Canada
- Volunteers
- 424 people
- Sponsor
- Children's Hospital of Eastern Ontario
Vitamin D Deficiency, Periodontal Diseases
Effect of Vitamin D on Periodontal Disease
Background. Vitamin D has both direct effects on bone metabolism and an antimicrobial effect on periodontopathogens. It also inhibits inflammatory mediators that contribute to periodontal destruction.
- Trial name
- NCT04209231
- Testing
- 1.25(OH)2D3, 25(OH)D
- Where
- Turkey (Türkiye)
- Volunteers
- 82 people
- Sponsor
- Recep Tayyip Erdogan University Training and Research Hospital
Vitamin D Deficiency, Osteoporosis
Vitamin D Administration in the Nursing Home
Administration of vitamin D 50,000 units once monthly will: Maintain serum 25-OH vitamin D above 20 ng/ml Reduce falls Increase calcaneal BMD Reduce bone turnover Be well tolerated: volunteers will not develop hypercalcemia…
- Trial name
- NCT00204919
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 96 people
- Sponsor
- University of Wisconsin, Madison
Lead Poisoning, Vitamin D Deficiency
Penicillamine Chelation for Children With Lead Poisoning
Childhood Lead Poisoning is a widespread disease that has few effective treatments. The specific aims of this proposed clinical trial are threefold: To determine whether a six-week course of a newly formulated d-penicillamine…
- Trial name
- NCT00552630
- Testing
- d-penicillamine
- Where
- United States
- Sponsor
- FDA Office of Orphan Products Development
Chronic Kidney Disease
Ergocalciferol in Chronic Kidney Disease
To examine the effect of ergocalciferol treatment on 25-hydroxyvitamin D and PTH levels in patients with CKD stage 3 and 4
- Trial name
- NCT00411294
- Where
- United States
- Sponsor
- Saint Louis VA Medical Center
Adynamic Bone Disease, Chronic Kidney Diseases
Treatment of Adynamic Bone Disorder With Parathyroid Hormone in Chronic Kidney Disease
This study is a 1:1 randomized controlled trial with an intervention for 18 months and a follow up period of 12 months. The purpose of the study is to assess the safety and efficacy of recombinant human parathyroid hormone for…
- Conditions
- Adynamic Bone Disease, Chronic Kidney Diseases, Cardiac Disease, Chronic Kidney Disease-Mineral and Bone Disorder
- Trial name
- NCT04522622
- Testing
- Teriparatide, DXA,VFA, X-ray, HR-pQCT, 18-F NAF PET/CT, Bone biopsy
- Where
- 4 sites in Denmark
- Volunteers
- 48 people
- Sponsor
- Ditte Hansen
Gynaecological Disease, Vitamin D Deficiency
Association Between Vitamin D and the Development of Uterine Fibroids
the aim of this randomised clinical trial study is to evaluate whether supplementation with vitamin D could inhibit the growth of uterine fibroids in reproductive stage women.
- Trial name
- NCT03584529
- Testing
- Vitamin D 3
- Where
- China
- Volunteers
- 360 people
- Sponsor
- Second Affiliated Hospital of Wenzhou Medical University
Hypovitaminosis D, Insulin Resistance
Hypovitaminosis D : A Link Between Bone/Mineral and Fat/Fuel Metabolism
The optimal dose of vitamin D needed to optimize beneficial effects on musculoskeletal outcomes remains to be defined. Equally unclear is the impact of vitamin D on fuel metabolism and insulin sensitivity in human subjects.
- Conditions
- Hypovitaminosis D, Insulin Resistance, Obesity, Osteoporosis
- Trial name
- GEHF-VitD (NCT01315366)
- Testing
- Euro D and Ci-CalD, Euro D, Ci-CalD
- Where
- Lebanon
- Volunteers
- 257 people, healthy volunteers welcome
- Sponsor
- American University of Beirut Medical Center
Periodontal Disease, Vitamin D Deficiency
Periodontal and Cardiometabolic Responses to Vitamin D Intervention in African Americans With Periodontal Disease
Poor vitamin D status is very common in African Americans. Periodontitis (gum disease) are shown to be related to theincreased risk of cardiometabolic diseases.
- Trial name
- GumD (NCT02337257)
- Testing
- Cholecalciferol
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Augusta University
Case Control Study
Vitamin D Deficiency Among Women With Unexplained Infertility
Does vitamin D is more deficient in women with unexplained infertility than in fertile pregnant women or not?
- Trial name
- Infertility (NCT03396237)
- Volunteers
- 108 people
- Sponsor
- Ain Shams Maternity Hospital
Primary Immune Deficiency Disorder
Study of Vitamin D3 Substitution to Patients With Primary Immunodeficiency
Hypothesis: Cholecalciferol (vitamin D3) prevent respiratory tract infections in patients with primary immunodeficiency.
- Trial name
- VITAPID (NCT01131858)
- Testing
- Vigantol
- Where
- Sweden
- Volunteers
- 140 people
- Sponsor
- Karolinska University Hospital
Chronic Kidney Disease, Vitamin D Deficiency
Effect of Vitamin D Supplementation on Coronary Calcification and Parathyroid Hormone in CKD Patients
The investigators hypothesize that the chronic kidney disease patients who suffer from vitamin D deficiency will be benefit from given Vitamin D2 because coronary artery calcification and hyperparathyroidism will be improved.
- Trial name
- EVIDENCE (NCT01672047)
- Testing
- Vitamin D2
- Where
- China
- Volunteers
- 350 people
- Sponsor
- Peking University People's Hospital
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
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