Clinical trials: Vitamin Status Assessment
Vitamin A Status
Vitamin A Status and Risk of Excessive Vitamin A Intake Among Urban Filipino Children
The goal of this study is to assess whether children 12-18 months of age who are exposed to multiple large-scale vitamin A programs, and who are likely to have vitamin A intakes above the tolerable upper intake level (UL), have…
- Trial name
- GloVitAS-P (NCT03030339)
- Testing
- High VA intake, recent VAS, High VA intake, Low/adequate VA intake
- Where
- Philippines
- Volunteers
- 123 people
- Sponsor
- University of California, Davis
Frailty, Physical Disability
Vitamin D and Calcium Supplementation at Danish Nursing Homes
Nursing home residents are in high risk of vitamin D deficiency, which negatively affects bone health. Vitamin D and calcium supplements have shown to increase bone density and reduce fracture risk and may affect daily physical…
- Conditions
- Frailty, Physical Disability, Aging, Muscle Weakness
- Trial name
- NCT04956705
- Testing
- Vitamin D and calcium
- Where
- 2 sites in Denmark
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- University College Copenhagen
Premature Infants
Effect of Vitamin D in Diets of Preterm Infants
Transitional formulas (22 kcal/oz) are recommended for infants less than 35 weeks gestation at birth. However, few data are available related to follow-up of infants receiving these formulas who were 28-34 weeks gestation at…
- Trial name
- NCT01698840
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 39 people
- Sponsor
- Baylor College of Medicine
Vitamin A Deficiency
Using Stable Isotope Techniques to Monitor and Assess the Vitamin A Status of Children Susceptible to Infection
The combination of infectious diseases and malnutrition is the most prevalent, preventable public health problem in the world, responsible for millions of deaths annually, particularly in infants and children.
- Trial name
- NCT02363985
- Testing
- Mega-dose of vitamin A supplement
- Where
- Ethiopia
- Volunteers
- 138 people, healthy volunteers welcome
- Sponsor
- Ethiopian Public Health Institute
Infection, Vitamin A Overdose
Vitamin A Total Body Stores of Senegalese Children in Relation to Their Infectious Status
Despite economic growth in developing countries, Sub-Saharan Africa still faces food insecurity malnutrition and infections. Micronutrient deficiency and infectious diseases still remain a public health problem and have a…
- Trial name
- NCT03207308
- Testing
- Vitamin A supplementation
- Where
- Senegal
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Cheikh Anta Diop University, Senegal
Knee Osteoarthritis, Vitamin D Deficiency
Prospective, Assessment of Vitamin D and Calcium Supplementation, Improvement of Nutritional Status and Preoperative Rehabilitation in Patients Before Knee Arthroplasty.
Prospective randomized study of 150 patients qualified for knee arthroplasty between 2015 and 2017. Patients were randomized into 3 groups receiving vitamin D and calcium supplementation, increased protein supply and preoperative…
- Conditions
- Knee Osteoarthritis, Vitamin D Deficiency, Pain, Postoperative, Arthropathy of Knee
- Trial name
- NCT04291833
- Testing
- Intervention group 1, Intervention group 2, Control group 0
- Where
- Poland
- Volunteers
- 150 people
- Sponsor
- Jagiellonian University
Healthy
Effect of Regular Consumption of Micronutrient Fortified Beverage on the Micronutrient Status of Indian Schoolchildren
The purpose of this study is to assess the impact of regular consumption of micronutrient fortified drink in improving nutritional and micronutrient status in Indian school children.
- Trial name
- NCT01415557
- Testing
- Non-Fortified Control Product, Micronutrient Fortified Test Product
- Where
- India
- Volunteers
- 227 people, healthy volunteers welcome
- Sponsor
- Mondelēz International, Inc.
Vitamin D Deficiency, Sickle Cell Disease
Vitamin D Status in Children With Sickle Cell Disease Living in Lyon, France
Vitamin D deficiency may be under-diagnosed in sickle cell disease French children. Therefore, the investigator need an epidemiologic study about the prevalence of vitamin D deficiency in this specific population.
- Trial name
- EVADDREP (NCT04694976)
- Testing
- 25-OH Vitamin D measure
- Where
- France
- Volunteers
- 130 people
- Sponsor
- Hospices Civils de Lyon
Celiac Disease
Celiac Disease and Vitamin Status: Evaluation of the Effect of Supplementation With a Probiotic (VIVOMIXX®) in a Cohoort of Celiac Patients
Celiac disease is a disorder caused by a disregulation of the immune system which leads to immune response to gluten. Diet therapy is the gold standard of treatment, and the only effective one.
- Trial name
- VIVOMIXX (NCT04160767)
- Testing
- Probiotic Vivomixx, Gluten free diet
- Where
- Italy
- Volunteers
- 90 people
- Sponsor
- University of Milan
Diabetes Mellitus, Type 1
GAD-Alum (Diamyd) Administered Into Lymph Nodes in Combination With Vitamin D in Type 1 Diabetes (DIAGNODE-1)
The objectives of the main study is to: Evaluate the safety of giving GAD-Alum (Glutamic acid decarboxylase) (Diamyd) directly into lymph glands in combination with an oral vitamin D regimen Evaluate how the above mentioned…
- Trial name
- DIAGNODE (NCT02352974)
- Testing
- GAD-Alum, Vitamin D
- Where
- Sweden
- Volunteers
- 12 people
- Sponsor
- Johnny Ludvigsson
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
Idiopathic Pulmonary Fibrosis
Nutritional Assessment in Idiopathic Pulmonary Fibrosis
In recent years nutritional status assumed increasing importance in the evaluation of chronic respiratory diseases, considering that their clinical course is often characterized by a progressive loss of weight and reduction of…
- Trial name
- NUTRIPF (NCT03770845)
- Where
- 9 sites in Italy
- Volunteers
- 100 people
- Sponsor
- San Gerardo Hospital
Vitamin A Deficiency
Using Stable Isotopes to Assess the Effectiveness of Vitamin A Supplementation in Cameroon
This is a study to evaluate the effects of vitamin A supplementation program on the vitamin A status of preschool children. All children aged 3-5 years who do not have severe illness and are not planning to move from the study…
- Trial name
- NCT03383744
- Testing
- vitamin A supplementation
- Volunteers
- 104 people
- Sponsor
- Centre for Food and Nutrition Research, Yaounde
Iron Deficiency, Vitamin A Deficiency
Nutritional Status and Bouillon Use in Northern Ghana
This pilot aims to generate data that are critical for informing the design of a planned, more detailed study to evaluate the effect of multiple micronutrient (MN)-fortified bouillon cube on biomarkers of nutrient status of women…
- Conditions
- Iron Deficiency, Vitamin A Deficiency, Vitamin B 12 Deficiency, Folate Deficiency
- Trial name
- NCT04632771
- Testing
- N/A (observational study)
- Where
- Ghana
- Volunteers
- 995 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Vitamin D Deficiency
Vitamin D Status in Young Medical Residents
Retrospective, observational, and anonymous study to assess vitamin D status in young medical residents of both sexes who joined the staff of the Reina Sofia University Hospital (HURS) in Cordoba, Spain, in March 2020.
- Trial name
- NCT07479303
- Testing
- Calcifediol (Vitamin D)
- Where
- Spain
- Volunteers
- 30 people
- Sponsor
- Maimónides Biomedical Research Institute of Córdoba
Nutrition Status, Bone Health
Evaluation of Calcium and Vitamin D Supplementation During Marine Corps Training
The primary objective of this randomized, double-blind, placebo-controlled trial is to determine the efficacy and effectiveness of Ca and vitamin D supplementation provided daily throughout Marine Corps recruit training on…
- Trial name
- MCRD-PI (NCT02636348)
- Testing
- Calcium/Vitamin D
- Where
- United States
- Volunteers
- 380 people, healthy volunteers welcome
- Sponsor
- United States Army Research Institute of Environmental Medicine
Healthy Infants, Infants With an Inflammatory Condition
Novel Isotope Dilution Technique to Assess Vitamin A Status
Background: There is no reliable method for vitamin A (VA) assessment for infants and young children. Serum VA concentration is not an authenticate indicator of VA status, while existing deuterium- VA isotope dilution methods to…
- Trial name
- NCT03000543
- Testing
- Vaccine
- Where
- 2 sites in Bangladesh
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- International Centre for Diarrhoeal Disease Research, Bangladesh
Healthy Infants
Influence of Inflammation on Micronutrient Status Assessment
Inflammation can influence several biochemical measurements those commonly used to interpret micronutrient status in children. Our primary objective is to investigate the effects of inflammation on several biochemical…
- Trial name
- NCT03801161
- Testing
- Pentavalent vaccine. It is a combination of five different antigens (Hepatitis B (HBV)/ Haemophilus influenzae type b (HiB) / Tetanus-Diphtheria-whole cell Pertussis (TDwP)).
- Where
- 2 sites in Bangladesh
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- International Centre for Diarrhoeal Disease Research, Bangladesh
Assessment of Vitamin A Status of Children
Using Stable Isotope Techniques to Monitor & Assess the Vitamin A Status of Children Susceptible to Infection
The relationship between infections and malnutrition is synergistic, each further compromising the outcome of the other. Malnutrition compromises natural immunity leading to increased susceptibility to infections, more frequent…
- Trial name
- NCT03194724
- Testing
- Vitamin A supplementation
- Volunteers
- 120 people
- Sponsor
- National Food Technology Research Centre, Botswana
Obesity, Morbid
Aspiration Therapy for Obese Adolescents
Interventional studies devoted to adolescents are relatively rare in the world. This has several reasons. Treatment and research on obesity are centered on advanced forms of obesity in adults, bearing in mind that social and…
- Trial name
- NCT03598920
- Testing
- AsspireAssist, Nutritional consulting
- Where
- 3 sites in Czechia
- Volunteers
- 20 people
- Sponsor
- University Hospital Ostrava