Clinical trials: Vitamin Status Assessment
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
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
Burns, Bone Demineralization
Evaluation of Vitamin D Status in Children With Acute Burns
To see which vitamin D supplement (D2 vs D3) is most beneficial in burned children.
- Trial name
- VitaminD (NCT00536276)
- Testing
- Vitamin D2, Vitamin D3
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- Shriners Hospitals for Children
Assess the Impact of Moringa Leaves on Serum Heamoglobin and Vitamin A Level Among the Adolescent Girls
Moringa Oleifera (Drumstick Leaves) for Improving Haemoglobin, Vitamin A Status and Underweight Among Adolescent Girls in Rural Bangladesh: A Quasi-experimental Study
Background (brief): 1. Burden: Bangladesh has a population of 29.5 million adolescents, which represents nearly one-fifth of the country's total population.
- Trial name
- Moringa (NCT04156321)
- Testing
- Moringa fry
- Where
- Bangladesh
- Volunteers
- 226 people, healthy volunteers welcome
- Sponsor
- International Centre for Diarrhoeal Disease Research, Bangladesh
Vitamin D, Vitamin B 12 and Folic Acid Concentrations, Micronutrient Status in Women of Reproductive Age
Vitamin B12, Folic Acid and Vitamin D Status in Women of Reproductive Age
This cross-sectional observational study aims to assess serum concentrations of vitamin B12, folic acid, and vitamin D in women of reproductive age in Herzegovina.
- Conditions
- Vitamin D, Vitamin B 12 and Folic Acid Concentrations, Micronutrient Status in Women of Reproductive Age, Vitamin Status Assessment
- Trial name
- NCT07100795
- Testing
- No Interventions
- Where
- Bosnia and Herzegovina
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- University of Mostar
Depression
Vitamin D Supplementation in Patients With Depression
Groups (intervention group receives 50000 IU vitamin D and control group receives placebo) through a random allocation. After 8 weeks, blood sample will be collected from each participant.
- Trial name
- NCT03766074
- Testing
- vitamin D supplement
- Where
- Iran
- Volunteers
- 60 people
- Sponsor
- Tirang R. Neyestani, Ph.D.
Nutrient Deficiency
Impact of Fortified Rice on Workers' Nutrition Status
The study is a single center, open label, nutrition intervention study. Healthy adult male working at a Singapore construction site are included if they fulfill inclusion and exclusion criteria.
- Trial name
- NCT04343508
- Testing
- Fortified rice
- Where
- Singapore
- Volunteers
- 133 people, healthy volunteers welcome
- Sponsor
- dsm-firmenich Switzerland AG
Obesity, Nutritional Deficiencies
Assessment of Nutritional Status After Gastric Bypass Surgery
This study is aimed at assessing how Roux-en-Y gastric bypass (RYGP) impacts on energy and nutrients' intake, energy expenditure, and nutritional status in obese patients.
- Trial name
- NCT01891591
- Testing
- Roux-en-Y gastric bypass (RYGP)
- Where
- Switzerland
- Volunteers
- 16 people
- Sponsor
- University of Lausanne
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
Evaluations, Diagnostic Self, Treatment Adherence
Impact of Vitamin D Supplementation on Cardiometabolic Status and Androgen Profile in Polycystic Ovary Syndrome
Polycystic ovary syndrome (PCOS) is a heterogeneous disorder of reproductive, endocrine and metabolic functions. Vitamin D has an influence on metabolic and reproductive functions.
- Trial name
- NCT04117750
- Testing
- cholecalciferol (vit D3)
- Where
- Egypt
- Volunteers
- 145 people, healthy volunteers welcome
- Sponsor
- Zagazig University
Hepatitis C
Hepatitis c and Vitamin D and Iron Status
HCV is associated with vitamin D deficiency. Iron overload is frequently occurred in chronic hepatitis C patients; more than one third of HCV positive patients have elevated serum iron, ferritin, and transferrin which were linked…
- Trial name
- hepatitisc (NCT03166280)
- Testing
- Sofosbuvir 400 mg, Daclatasvir 60 mg/day
- Volunteers
- 87 people
- Sponsor
- Eman Sayed Hassan Abd Allah