Clinical trials: Hypovitaminosis
Short Bowel Syndrome, Vitamin E Deficiency
Use of Tocofersolan (Vedrop®) to Prevent or Treat Refractive Vitamin E Deficiency in Infants and Children
Patients with short bowel syndrome or other forms of intestinal failure/fat malabsorption are unable to tolerate adequate oral or enteral feedings.
- Trial name
- NCT03582384
- Testing
- Tocofersolan
- Sponsor
- Boston Children's Hospital
Vitamin A Deficiency
Vitamin A Bioavailability in Lactating Women With Marginal Vitamin A Status
The study will assess the relative bioavailability and bioefficacy of cryptoxanthin (CX) and beta-carotene (BC) from food sources for increasing breast milk carotenoid and retinol concentrations in lactating Bangladeshi women.
- Trial name
- NCT01420406
- Testing
- 0 mg retinol activity equivalents, 12 mg of BC, 6 mg of CX
- Where
- Bangladesh
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
Metabolic Syndrome
Metabolic Syndrome and Insulin Resistance at Allina
Vitamin D deficiency is widespread and appears to represent one easily and inexpensively modifiable risk factor for diabetes and cardiovascular disease.
- Trial name
- MISURA (NCT01545830)
- Testing
- vitamin D3 (cholecalciferol)
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Allina Health System
Ckd-Mbd
Relationship Between Cardiopulmonary Exercise Testing and Ca-P in Chronic Kidney Disease (CKD)
Reductions in exercise capacity associated with exercise intolerance augment cardiovascular disease risk and predict mortality in chronic kidney disease.
- Trial name
- NCT04013139
- Testing
- CPET
- Where
- Iran
- Volunteers
- 200 people
- Sponsor
- Shahid Beheshti University of Medical Sciences
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.
Sepsis, Thiamine Deficiency
Effect of Thiamine on Serum Glucagon And Reactive Oxygen Species (ROS)
This research is a clinical trial with a Randomized Controlled Trial (RCT) design. The purpose is to identify the effect of intravenous thiamine administration compared to normal saline placebo on glucagon levels and ROS levels…
- Trial name
- NCT05663164
- Testing
- Vitamin B
- Where
- Indonesia
- Volunteers
- 30 people
- Sponsor
- Universitas Sumatera Utara
Vitamin D Deficiency, Implant Assesment
Effect of Vitamin D on the Clinical and Radiographic of Unsplinted Mandibular Implant Overdentures
This study investigates the effect of vitamin D on bone loss around mandibular implant overdentures. Bone levels around implants will be measured to understand how vitamin Daffect the health of implant-supported dentures.
- Conditions
- Vitamin D Deficiency, Implant Assesment, Radiography, Clinical and Radiographic Effect
- Trial name
- Vit D and bone (NCT07200011)
- Testing
- Observational: Serum Vitamin D Levels
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Mansoura University
Chronic Kidney Disease Mineral and Bone Disorder
The Effect of REgulation of PArathyroId hoRmone in Patients With Chronic Kidney Disease to Investigate the Change in Bone Mineral Density
The prevalence of chronic kidney disease (CKD) in the adult population is estimated to 10%. CKD increases risk of bone fractures, cardiovascular disease and death.
- Trial name
- REPAIR-CKD (NCT07171216)
- Testing
- Treat to target
- Where
- Denmark
- Volunteers
- 70 people
- Sponsor
- Herlev Hospital
Vitamin D Deficiency, Infection
Vitamin D Level and Risk of Infections in Cirrhotic Patients
It is widely known that vitamin D has an important role in calcium metabolism and bone mineralization. Its deficiency is related to rickets and osteomalacia in children and adults respectively.
- Conditions
- Vitamin D Deficiency, Infection, Liver Cirrhosis
- Trial name
- NCT03391245
- Testing
- 3- Serum 25-Hydroxy Vitamin D level will be measured by Competitive ELISA technique
- Where
- Egypt
- Volunteers
- 87 people
- Sponsor
- Assiut University
Pediatric Migraine, Migraine Disorders, Brain
Comorbidity-Based Propranolol Use in Pediatric Migraine
This observational retrospective cohort study aims to identify clinical and biochemical predictors of response to propranolol prophylaxis in pediatric migraine.
- Conditions
- Pediatric Migraine, Migraine Disorders, Brain, Vitamin D Deficiency
- Trial name
- NCT07103031
- Testing
- Behavioral therapy, Propranolol
- Where
- Turkey (Türkiye)
- Volunteers
- 488 people
- Sponsor
- Kayseri University
Mortality Through Six Months of Age, Vitamin A Deficiency
Community Trial of Newborn Vitamin A Supplementation to Reduce Infant Mortality in Rural Bangladesh
The purpose of this trial is determine whether a 50,000 IU oral dose of vitamin A delivered to newborn infants within the first days of life, reduces six-month infant mortality by at least 15%.
- Trial name
- NCT00128557
- Testing
- vitamin A supplementation (15,000 ug retinol equivalents or 50,000 IU)
- Where
- Bangladesh
- Volunteers
- 15,937 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins Bloomberg School of Public Health
Hematopoietic Stem Cell Transplantation, Delirium
High Dose Intravenous Thiamine for the Prevention of Delirium in Allogeneic Hematopoietic Stem Cell Transplantation
Purpose: To conduct a randomized controlled pilot study investigating the use of high dose intravenous (IV) thiamine to prevent delirium and mitigate the long-term effects of delirium, including health-related quality of life…
- Conditions
- Hematopoietic Stem Cell Transplantation, Delirium, Thiamine Deficiency
- Trial name
- NCT03263442
- Testing
- Thiamine, Normal saline
- Where
- United States
- Volunteers
- 66 people
- Sponsor
- UNC Lineberger Comprehensive Cancer Center
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
Depression, Chronic Liver Disease
Vitamin D Improves Depression in Liver Patients
This study evaluates the efficacy of vitamin D replacement therapy in reducing depressive symptoms in patients with chronic liver disease and vitamin D deficiency.
- Trial name
- CLDVitD (NCT02359266)
- Testing
- Vitamin D
- Where
- Germany
- Volunteers
- 111 people
- Sponsor
- Universität des Saarlandes
Anemia, Folate Deficiency
Periconceptional Surveillance in India
Women of reproductive age are a high-risk population for anaemia and micronutrient deficiencies. Evidence supports the role of periconceptional nutrition in the development of adverse pregnancy complications.
- Conditions
- Anemia, Folate Deficiency, Vitamin B12 Deficiency
- Trial name
- NCT04048330
- Where
- India
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Cornell University
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
Topical Delivery of Vitamin D3 as Vitamin D Supplementation
After obtaining the approval from the IRB of University of Dammam and informed consent from 550 healthy patients, with vitamin D deficiency and vitamin D insufficiency and deficiency were recruited.
- Trial name
- NCT02735200
- Testing
- Application of topical vitamin d3 (Top-D), Application of Aloe vera gel
- Where
- Saudi Arabia
- Volunteers
- 550 people, healthy volunteers welcome
- Sponsor
- Imam Abdulrahman Bin Faisal University
Tibial Fractures, Vitamin D Deficiency
Vitamin D Supplementation and Tibia Fracture. Does it Improve Healing Rate?
This study evaluates the effect of Vitamin D3 supplementation in healing rate of tibia fractures in adult patients with low vitamin D.
- Conditions
- Tibial Fractures, Vitamin D Deficiency, Fracture Healing
- Trial name
- ViDco (NCT03232216)
- Testing
- Vitamin D3.
- Where
- Chile
- Volunteers
- 682 people, healthy volunteers welcome
- Sponsor
- Hospital del Trabajador de Santiago
Healthy Subjects, Vitamin D Deficiency
hCAP18 Levels and Vitamin D Deficiency in Healthy Subjects
Vitamin D deficiency (low levels of vitamin D in the blood) is a common problem. A recently discovered protein, called hCAP18, likely plays an important role in the immune system and may depend on adequate levels of vitamin D.
- Trial name
- NCT00742235
- Testing
- ergocalciferol
- Where
- United States
- Volunteers
- 99 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Vitamin D Deficiency
The D-BIICEP Study
Athletes and active individuals have been identified as an at-risk group for a low vitamin D status, specifically those residing in countries of higher latitude (such as the United Kingdom).
- Trial name
- D-BIICEP (NCT03253055)
- Testing
- DEXA, pQCT, Lifestyle Questionnaire
- Where
- 2 sites in United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Surrey
The first 1,020 results can be paged through. Add a filter or change the sort order to reach the rest.