Clinical trials: Vitamin Deficiencies
Vitamin D Deficiency, Non-ST Elevation Myocardial Infarction (nSTEMI)
Vitamin D Deficiency Treatment Outcomes After Non-ST-Segment Elevation Myocardial Infarction
The leading cause of death in the world is due to cardiovascular events, which originate from coronary artery stenosis therefore it affects myocardial blood flow and finally may cause infarction.
- Conditions
- Vitamin D Deficiency, Non-ST Elevation Myocardial Infarction (nSTEMI), Inflammation, Coronary Artery Disease With Myocardial Infarction
- Trial name
- NAVID (NCT03405207)
- Testing
- Vitamin D3 50000 UNT Oral Capsule
- Where
- Iran
- Volunteers
- 70 people
- Sponsor
- Isfahan University of Medical Sciences
Vitamin B12 Deficiency
How Many Patients Are in Need of Vitamin B12 Injections?
The clinical consequences of vitamin B12 deficiency include megaloblastic anemia and neurological disorders. Therefore, a proper and timely diagnosis and treatment is important.
- Trial name
- NCT00326833
- Testing
- vitamin B12
- Where
- Denmark
- Volunteers
- 50 people
- Sponsor
- University of Aarhus
Cobalamin Deficiency
Effect of Toothpaste Fortified With Cyanocobalamin on Vitamin B12 Status
A 3 months randomized, placebo-controlled study on the effect of toothpaste fortified with vitamin B12 on vitamin B12 status markers and related metabolic markers.
- Trial name
- NCT02679833
- Testing
- Cyanocobalamin
- Where
- 2 sites in Germany
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Universität des Saarlandes
Secondary Hyperparathyroidism, Chronic Kidney Disease
Study to Assess Patient Management Practices and Quality of Life With Paricalcitol Capsules in the Treatment of Secondary Hyperparathyroidism in Stage 3-5 Chronic Kidney Disease Patients Not Yet on Dialysis
Paricalcitol capsules (Zemplar®) received marketing authorization in Sweden in late 2007 for the prevention and treatment of secondary hyperparathyroidism in patients with Stage 3 \& 4 Chronic Kidney Disease (CKD).
- Trial name
- CAPITOL (NCT01265992)
- Where
- 10 sites in Sweden
- Volunteers
- 50 people
- Sponsor
- AbbVie (prior sponsor, Abbott)
Pediatric Disorder, Vitamin D Deficiency
Retinal Changes in Vitamin D Deficiency
Retinal tissue parameters of pediatric patients with vitamin D deficiency will be evaluated in this prospective case-control study. The patients will be divided into 2 groups according to the vitamin D level.
- Conditions
- Pediatric Disorder, Vitamin D Deficiency, Retinal Disease, Choroidal Disease
- Trial name
- VDD (NCT04891211)
- Testing
- Vitamin D deficiency
- Where
- Turkey (Türkiye)
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- Adiyaman University
Vitamin D Deficiency
Treatment of Vitamin D Insufficiency
The purpose of this study is to answer the following questions: Does vitamin D increase calcium absorption, bone mass and muscle mass and function in women past menopause who have mildly low vitamin D levels? Do these benefits…
- Trial name
- NCT00933244
- Testing
- High Dose Vitamin D3, Low Dose Vitamin D3
- Where
- United States
- Volunteers
- 230 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Osteoporosis
The Relationship Between the Residual Renal Function and Osteoporosis Treatment
The relationship between osteoporosis drugs and kidney damage is unclear. In this study, we plan to reveal relationship between osteoporosis drugs and kidney damage.
- Trial name
- NCT02304887
- Testing
- Bis, SERM Teriparatide, Denosumab
- Where
- Japan
- Volunteers
- 1,000 people
- Sponsor
- Toshihiko Kono
Oxidative Stress, Inflammation
Vitamin D, Oxidative Stress and Inflammation in Hemodialysis
Vitamin D deficiency is now considered a global problem in general population, but it seemed to be more prominent in chronic kidney disease (CKD) patients, especially those on regular hemodialysis.
- Conditions
- Oxidative Stress, Inflammation, Vitamin D Deficiency
- Trial name
- NCT05460338
- Testing
- Cholecalciferol
- Where
- Egypt
- Volunteers
- 25 people
- Sponsor
- Ain Shams University
Vitamin D Deficiency
Effect of Oral Daily Supplementation With 400 IU Vs 200 IU of Vitamin D in Term Healthy Neonates
The purpose of the study is to evaluate the effect of daily oral supplementation with vitamin D on serum Vitamin D levels in term healthy newborns.
- Trial name
- NCT02186028
- Testing
- Vitamin D
- Where
- India
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Lady Hardinge Medical College
Micronutrient Deficiencies
This Randomized Trial Aims to Investigate the Efficacy of Balanced Nutritional Tablets-Comprehensive Multivitamin and Mineral Supplements- in Preventing Micronutrient Deficiencies Among Patients Utilizing GLP-1 RAs for Weight Loss in Comparison to a Placebo Control
Glucagon-like peptide-1 receptor agonists (GLP-1 RAs), including Ozempic (semaglutide) and Saxenda (liraglutide), are gaining traction in treating obesity and its associated diseases due to their capacity to facilitate…
- Trial name
- NCT06981936
- Testing
- Balance Tablet
- Where
- Egypt
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- General Committee of Teaching Hospitals and Institutes, Egypt
Age-related Macular Degeneration, Vitamin D Deficiency
Omega 3 and Vitamin D Dosage in a Population With Moderate to High Risk of AMD
Objectives: The investigators conducted a prospective study in Belgium with the objective to determine the proportion of subjects identified at moderate-to-high risk for AMD, based on the STARS® questionnaire, in need of…
- Trial name
- OVID-AMD (NCT04482465)
- Testing
- blood sample
- Where
- Belgium
- Volunteers
- 50 people
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
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
Hemodialysis, Hyperphosphatemia
Outcome Study of Lanthanum Carbonate Compared With Calcium Carbonate in Hemodialysis Patients : Landmark Study
The purpose of this study is to demonstrate decrease in cardiovascular mortality and morbidity in Japanese hemodialysis patients treated with Lanthanum carbonate compared with those with Calcium carbonate.
- Trial name
- LANDMARK (NCT01578200)
- Testing
- Lanthanum Carbonate, Calcium Carbonate
- Where
- Japan
- Volunteers
- 2,309 people
- Sponsor
- Translational Research Center for Medical Innovation, Kobe, Hyogo, Japan
Osteoarthritis, Vitamin D Deficiency
Preoperative Correction of Vitamin D Deficiency in Total Joint Arthroplasty (TJA)
The purpose of this study is being conducted to determine whether correcting low levels of vitamin D with a single high-dose supplement reduces complications after the participant's primary TJA.
- Trial name
- NCT07006714
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 200 people
- Sponsor
- University of Miami
Vitamin D Deficiency, Cognitive Decline
High-dose Vitamin D Supplements in Older Adults
This Phase II randomized clinical trial aims to test if supplementation with high dose oral vitamin D will successfully correct vitamin D insufficiency, compared to treatment with standard (RDA) dose vitamin D in a diverse…
- Trial name
- NCT03613116
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 180 people
- Sponsor
- University of California, Davis
Migraine Headache, Arterial Stiffness
Vitamin K2 Supplementation in Adult Episodic Migraine
Migraine is a debilitating illness and a major cause of disability in the world. It is highly prevalent, especially among women.
- Conditions
- Migraine Headache, Arterial Stiffness, Vitamin K Deficiency
- Trial name
- ViKEM (NCT05943457)
- Testing
- Vitamin K2 or menaquinone-7
- Where
- Lebanon
- Volunteers
- 160 people
- Sponsor
- Sola Aoun Bahous, M.D. Ph.D.
Vitamin d Deficiency, Vitamin B 12 Deficiency
ETOL-Elderly Study of the Efficiency of the Innovative Food Supplement in Elderly Adults
The aim of this pilot study is to conduct a study on geriatric population in Slovenia (non-users of dietary supplements/medicines with vitamine D, vitamin B12 and protein) and assess deficiency of selected nutrients, and to…
- Conditions
- Vitamin d Deficiency, Vitamin B 12 Deficiency, Protein Deficiency
- Trial name
- ETOL-Elderly (NCT05661006)
- Testing
- Use of food supplement
- Where
- Slovenia
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Institute of Nutrition, Slovenia (Nutris)
Vitamin D Deficiency, Obesity
Vitamin D and Adipose Tissue Inflammation
Chronic, low-grade adipose tissue inflammation is a major risk factor for type 2 diabetes mellitus. The cause of adipose tissue inflammation has remained largely unclear.
- Conditions
- Vitamin D Deficiency, Obesity, Type 2 Diabetes Mellitus, Intestinal Permeability
- Trial name
- NCT01477034
- Testing
- Vitamin D3
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Fred Hutchinson Cancer Center
Hypovitaminosis D, Hand Grasp
Vitamin D and Hand Grip Strength at 5 Years in Odense Child Cohort
This study will encompass an analysis of an eventual association between vitamin D status (maternal during pregnancy, at birth or at 5 years) and hand grip strength at 5 years in children from Odense Child Cohort.
- Conditions
- Hypovitaminosis D, Hand Grasp, Children
- Trial name
- VITHGS (NCT03381378)
- Volunteers
- 881 people
- Sponsor
- Odense University Hospital
Vitamin D Deficiency
Genetic, Dietary and Environmental Influences on Vitamin D Metabolism
Determine differences in serum vitamin D metabolism by genetic ancestry.
- Trial name
- NCT02590614
- Testing
- 800 IU Vitamin D
- Where
- United States
- Volunteers
- 412 people, healthy volunteers welcome
- Sponsor
- Milton S. Hershey Medical Center
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