Clinical trials: D Vitamin Deficiency Patients
Vitamin A Deficiency in Children
The Effects of Biscuits Containing Red Palm Oil on School Children With Vitamin A Deficiency in West and East Malaysia
Based on recent nutrition survey (SEANUTS Malaysia) on a total of 3542 Malaysian Children aged between 6 months to 12 years old, 4.4% of the children had vitamin A deficiency.
- Trial name
- NCT03256123
- Testing
- red palm shortening group, palm shortening group
- Where
- Malaysia
- Volunteers
- 651 people, healthy volunteers welcome
- Sponsor
- Malaysia Palm Oil Board
Prostate Cancer, Vitamin D Deficiency
Vitamin D Supplementation in RNA-seq Profiles of Single-core Prostate Samples, Among Veterans
Veterans between the ages of 50-75, who are having a prostate biopsy, will be recruited for their permission to collect an extra biopsy core for RNA-sequencing.
- Conditions
- Prostate Cancer, Vitamin D Deficiency, Stress Reaction
- Trial name
- VitD/RNA-seq (NCT04621500)
- Testing
- cholecalciferol, Standard of Care Prostate Biopsy - collection of 13th core for RNA-seq, Standard of Care Prostate Biopsies at baseline and after one year vitamin D3 supplementation
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Medical University of South Carolina
Endometriosis, Vitamin D Deficiency/Insufficiency
Analysis of Vitamin D and VDR Expression in Endometriosis: A Case-Control Study
The goal of this cross-sectional prospective matching study is to evaluate whether serum vitamin D levels and vitamin D receptor (VDR) expression are associated with the presence and severity of endometriosis in women of…
- Conditions
- Endometriosis, Vitamin D Deficiency/Insufficiency, Vitamin D Status
- Trial name
- NCT06289257
- Testing
- Vitamin D level, Vitamin D receptor
- Where
- Thailand
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- Khon Kaen University
Hypertensive Disorder of Pregnancy, Vitamin D Deficiency
Vitamin D Deficiency With Selected Vitamin D Receptor Gene Polymorphism in Gestational Hypertension
This study aim to look into the prevalence of Vitamin D deficiency among Malaysian pregnant women and its associated risk factors.
- Trial name
- NCT05659173
- Testing
- Blood taking
- Where
- Malaysia
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Universiti Putra Malaysia
Healthy, Vitamin D Deficiency
Can Correction of Low Vitamin D Status in Infancy Program for a Leaner Body Composition?
One in four infants are born with low amounts of vitamin D stored in their body. This study is designed to test whether improving vitamin D status quickly after birth helps infants to build muscle and to normalize growth.
- Conditions
- Healthy, Vitamin D Deficiency, Gestational Diabetes
- Trial name
- NCT02563015
- Testing
- cholecalciferol, Reference 400
- Where
- Canada
- Volunteers
- 139 people, healthy volunteers welcome
- Sponsor
- McGill University
Vitamin Deficiency, Mineral Deficiency
Role of Centrum® Silver® in Improving Micronutrient Status in Older Men
Older adults are susceptible to vitamin and mineral deficiencies for a variety of reasons and have an increased demand for many of these micronutrients.
- Conditions
- Vitamin Deficiency, Mineral Deficiency, Aging
- Trial name
- NCT03004807
- Testing
- Centrum Silver Mens' Formula, Control
- Where
- United States
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Oregon State University
Vitamin D Deficiency
OASIS Study: Vitamin D Deficiency Prevention Among Older Adults in Ireland
Vitamin D deficiency is common. It is caused by limited sun availability together with a low supply of vitamin D in the food system. There is a high prevalence of low vitamin D status around the world.
- Trial name
- OASIS (NCT06705582)
- Testing
- Fortified Bread, Unfortified bread
- Where
- 2 sites in Ireland
- Volunteers
- 117 people, healthy volunteers welcome
- Sponsor
- University College Cork
Vitamin D Deficiency
Vitamin D in Armenia: Vitamin D Repletion Strategies With Dibase, and Vitamin D and Vitamin D Binding Protein and COVID
This is a three-arm unblinded prospective interventional study of vitamin D supplementation in participants with insufficient vitamin D at three different induction and maintenance dosing regimens (high dose, low frequency…
- Trial name
- NCT06406543
- Testing
- Vitamin D3 (Cholecalciferol)
- Where
- Armenia
- Volunteers
- 77 people, healthy volunteers welcome
- Sponsor
- Columbia University
Bell Palsy, Vitamin D Deficiency
The Effect Vitamin D on the Recovery Rate of Bell Palsy
Patients aged between 18-65 who visit the Physical Medicine and Rehabilitation outpatient clinic diagnosed with Bell Palsy will be included in the study.
- Conditions
- Bell Palsy, Vitamin D Deficiency, Facial Paralysis
- Trial name
- NCT05997199
- Testing
- Vitamin D replacement
- Where
- Turkey (Türkiye)
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Umraniye Education and Research Hospital
Nutritional Status, Nutrient Deficiency
Challenges in Achieving Adequate Dietary Status of Women
The aim of the study is to investigate the dietary habits of women of reproductive age (20-49 years). We aim to obtain epidemiological data on the intake and adequacy of key macronutrients and micronutrients, as well as to…
- Conditions
- Nutritional Status, Nutrient Deficiency, Micronutrient Deficiency, Vitamin D Deficiency
- Trial name
- NutriFem (NCT06745817)
- Testing
- Assessement of nutritional status, Dermis density and thickness, Skin elasticity
- Where
- 3 sites in Slovenia
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Institute of Nutrition, Slovenia (Nutris)
Vitamin A Deficiency, Inflammation
Validation and Simplification of the Retinol Isotope Dilution Technique in Burkinabe Schoolchildren
Two cross-sectional, repeated-pass, community-based studies will be carried out during the school year. The first study will be conducted from November to December.
- Trial name
- RID_VAB (NCT06759493)
- Testing
- Retinol isotope dilution technique
- Where
- Burkina Faso
- Volunteers
- 158 people, healthy volunteers welcome
- Sponsor
- Institut de Recherche en Sciences de la Sante, Burkina Faso
Folate Deficiency, Iodine Deficiency
Acceptability and Nutritional Impact of Double-fortified Salt Containing Iodine and Folic Acid
The overarching objective of this two-phase project is to assess the effects of fortifying iodized salt with folic acid on improving women's folate status.
- Conditions
- Folate Deficiency, Iodine Deficiency, Anemia Macrocytic, Anemia Deficiency
- Trial name
- DFS-IoFA-2 (NCT06223854)
- Testing
- Iodized salt, Experimental: Iodized salt with lower-dose folic acid fortification, Experimental: Iodized salt with higher-dose folic acid fortification
- Where
- Ethiopia
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
D Vitamin Deficiency, Osteocalcin
Serum Vitamin D and Gingival Crevicular Fluid Levels of Osteocalcin and N-Terminal Telopeptide
This study examines the relationship between serum vitamin D levels and bone metabolism markers-osteocalcin and N-terminal telopeptide (NTx)-in gingival crevicular fluid (GCF) of periodontally healthy and periodontitis patients.
- Conditions
- D Vitamin Deficiency, Osteocalcin, Gingival Crevicular Fluid
- Trial name
- NCT06871631
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Ondokuz Mayıs University
PRF, Vitamin D Deficiency
Effect of Vitamin D Deficiency on the Structure of Titanium Platelet-Rich Fibrin
ABSTRACT The aim of the study was to compare the macroscopic properties, chemical degradation levels, and fibrin network structures of T-PRF membranes obtained from systemically healthy individuals with optimal vitamin D levels…
- Conditions
- PRF, Vitamin D Deficiency, Vitamin Deficiency
- Trial name
- T-Prf (NCT06870786)
- Testing
- Vitamin D (Cholecalciferol )
- Where
- Turkey (Türkiye)
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Abant Izzet Baysal University
Vitamin d Deficiency
Effects of Vitamin D on Cardiovascular Health in Black Women
The goal of this clinical trial is to understand the effects of oral vitamin D3 supplementation on various cardiovascular risk factors in generally healthy, young adult black women who are vitamin D deficient or insufficient at…
- Trial name
- NCT05656742
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of Delaware
Vitamin D Deficiency, Hypocalcemia
Effect of Vitamin D Supplement on Disease Activity in SLE
To study the effect of vitamin D supplementation on disease activity of SLE ( SLEDAI-2K ) and IL-6 level
- Conditions
- Vitamin D Deficiency, Hypocalcemia, Hyperparathyroidism, Systemic Lupus Erythematosus (Disorder)
- Trial name
- NCT05260255
- Testing
- vitamin D2 ( calciferol )
- Where
- Thailand
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Department of Medical Services Ministry of Public Health of Thailand
Vitamin B1 Deficiency, Thiamine Deficiency
The Effect of SLC19A3 Inhibition on the Pharmacokinetics of Thiamine
In Part 1, subjects will be administered thiamine, thiamine with metformin, and thiamine with trimethoprim. Part 2 will expand on Part 1 and subjects will be administered thiamine and thiamine with trimethoprim.
- Trial name
- NCT03746106
- Testing
- Trimethoprim, Metformin, Vitamin B1
- Where
- United States
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Vitamin D Deficiency
Vitamin D and Health Status of British African-Caribbean Women
Vitamin D deficiency remains a global public health issue (Wilson 2017). In the United Kingdom (UK). There is a lack of research looking at vitamin D status of the British African-Caribbean population.
- Trial name
- NCT04179370
- Testing
- N/A - no intervention. Observational study.
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Surrey
Oral Lichen Planus, Vitamin D Deficiency
Vitamin D Deficiency As a Risk Factor for the Development and Malignant Transformation of Oral Lichen Planus
To examine how a lack of vitamin D may increase the risk of developing oral lichen planus and its malignant progression while accounting for sex, food habits, sunlight, socioeconomic level, and psychological variables.
- Trial name
- NCT06033105
- Testing
- ELISA
- Where
- Egypt
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Fayoum 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