Clinical trials: Vitamin Deficiencies
Hashimoto Disease, Treatment Levothyroxine
Effect of Treatment for Vitamin D Deficiency on Thyroid Function and Autoimmunity in Hashimoto's Thyroiditis.
The objective of this study is to evaluate the effect of vitamin D supplementation on thyroid autoimmunity, thyroid function, and other metabolic and clinical variables associated with the thyroid axis in patients with…
- Conditions
- Hashimoto Disease, Treatment Levothyroxine, Vitamin D Deficiency
- Trial name
- NCT04778865
- Testing
- Vitamin D-correction, Vitamin D-RDA
- Where
- Chile
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Universidad de Valparaiso
Epilepsy, Magnesium Deficiency
Magnesium as a Mediator of Bone and Vitamin D Metabolism in Patients on Antiepileptic Drug Therapy
The objective of this study is to determine the role of magnesium on bone and vitamin D metabolism in patients receiving anti-epileptic medications.
- Conditions
- Epilepsy, Magnesium Deficiency, Vitamin D Deficiency
- Trial name
- NCT03471481
- Testing
- No Intervention. Study is Cross Sectional in nature
- Where
- 2 sites in United States
- Volunteers
- 7 people
- Sponsor
- Drexel University
VITAMIN D DEFICIENCY
An Evaluation of the Effect of Vitamin D Supplementation on the Cognitive Function of Older Subjects With Low Levels of This Vitamin
Background: Ageing is associated with an increased risk of cognitive decline and depression. Vitamin D plays an important role in many of the symptoms and conditions related to advanced age, including impaired balance, falls and…
- Trial name
- NCT02381600
- Testing
- Vitamin D
- Where
- Israel
- Volunteers
- 1 people
- Sponsor
- Meir Medical Center
Multi-drug Resistant Tuberculosis
Case Control Study of Vitamin D Status and Adult Multidrug-resistant Pulmonary Tuberculosis in Maharashtra, India
India has the highest incidence of and mortality from multi-drug resistant tuberculosis (MDR-TB) globally. Vitamin D status may be an important determinant of MDR-TB infection and treatment outcomes; however, observational…
- Trial name
- NCT04342598
- Testing
- Serum Vitamin D
- Where
- India
- Volunteers
- 352 people, healthy volunteers welcome
- Sponsor
- Harvard School of Public Health (HSPH)
Nutritional Status, Nutrient Deficiency
Adults Nutrition as a Protective or Health-risk Factor
To obtain up-to-date data on nutrient intakes in adults, a national dietary survey - the EU Menu study will be conducted during 12 consecutive months in 2017/2018, providing data on the consumption of foods and enabling the…
- Conditions
- Nutritional Status, Nutrient Deficiency, Micronutrient Deficiency, Vitamin D Deficiency
- Trial name
- NUTRIHEALTH (NCT03284840)
- Testing
- Assessement of nutritional status, Thyroid size
- Where
- 3 sites in Slovenia
- Volunteers
- 280 people, healthy volunteers welcome
- Sponsor
- Institute of Nutrition, Slovenia (Nutris)
Vitamin D Deficiency, Osteopenia
Monitored vs Standard Supplementation of Vitamin D in Preterm Infants
The purpose of this study is to determine wheather the monitored vitamin D (vit D) therapy is safer and more effective than standard therapy in pretrem infants.
- Conditions
- Vitamin D Deficiency, Osteopenia, Nephrolithiasis, Drug Overdose
- Trial name
- MOSVID (NCT03087149)
- Testing
- monitored vit D supplementation, standard vit D supplementation
- Where
- Poland
- Volunteers
- 109 people
- Sponsor
- Princess Anna Mazowiecka Hospital, Warsaw, Poland
Vitamin D Deficiency
Prognostic Value of Vitamin D Levels in Egyptian Females With Breast Cancer
In our study; we aim to analyze the correlation between pre-treatment serum vitamin D (VD) levels and breast cancer prognostic features in newly diagnosed breast cancer patients presenting to our department.
- Trial name
- NCT03594214
- Testing
- serum vitamin d level measured by ELISA kit
- Where
- Egypt
- Volunteers
- 222 people
- Sponsor
- Assiut University
PCOS, Depression
Metformin, Vitamin D, and Depression in Polycystic Ovary Syndrome (PCOS) Trial
Open-label randomized clinical trial assessing the efficacy of Metformin versus Vitamin D in improving symptoms of depressed mood in polycystic ovary syndrome.
- Conditions
- PCOS, Depression, Vitamin D Deficiency, Insulin Resistance
- Trial name
- MINDD (NCT03380091)
- Testing
- Metformin, Vitamin D
- Where
- United States
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- University of California, San Francisco
Vitamin D Deficiency
Safety, Efficacy, and Feasibility of High-dose Cholecalciferol in Pediatric Patients With Cystic Fibrosis
Children with Cystic Fibrosis, ages greater than and equal to 36 months of age and less than or equal to 18 years of age, with a 25OHD level less than 30 ng/dL will be asked to participate in this study.
- Trial name
- NCT02613884
- Testing
- Treatment
- Where
- United States
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins All Children's Hospital
Hip Fracture, Vitamin D Deficiency
The Effect of Supplementation of Vitamin D Deficiency in Older People With Acute Hip Fracture:
This study will be done to evaluate the effect of load dose of vitamin D compared to the dose of usual clinical practice, in improving mobility and reducing disability in older people following a hip fracture.
- Trial name
- VITAMINA_D (NCT03213886)
- Testing
- Calcifediol (Vitamin D)
- Where
- Spain
- Volunteers
- 50 people
- Sponsor
- Leonor Cuadra Llopart
Vitamin D Deficiency
Treatment of Vitamin D Deficiency With Large Bolus Cholecalciferol
Comparing two treatment regimens (solitary large dose vs daily smaller dose) in patients diagnosed with vitamin D deficiency.
- Trial name
- NCT04120064
- Testing
- Cholecalciferol
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- Parkview Medical Center
Coronavirus Disease 2019 (COVID-19)
Increased Risk of Severe Coronavirus Disease 2019 in Patients With Vitamin D Deficiency
In this prospective observational study we aim to study the association of vitamin D deficiency with adverse clinical outcomes in patients infected with Coronavirus disease 2019
- Trial name
- COVIT-D (NCT04403932)
- Where
- Spain
- Volunteers
- 300 people
- Sponsor
- Hospital San Carlos, Madrid
Hip Fracture, Vitamin D Deficiency
Vitamin D Levels in Frail Elderly Patients With a Hip Fracture
The purpose of this study is to assess whether all frail elderly admitted with hip fracture has a vitamin D deficiency, and if s-25(OH)D deficiency increases the risk of hip fracture in frail elderly.
- Trial name
- NCT01816711
- Where
- Denmark
- Volunteers
- 447 people
- Sponsor
- University of Aarhus
Coronary Artery Disease
ABI for Screening of Coronary Artery Disease
Large population cross sectional study between 2019-2020 for 4207 new patients that refer to professor Kojuri cardiovascular clinic in shiraz, Iran, was conducted.
- Trial name
- NCT04667832
- Testing
- selective coronary artery angiography
- Where
- Iran
- Volunteers
- 4,207 people
- Sponsor
- Shiraz University of Medical Sciences
Macrocytic Anemia With Vitamin B12 Deficiency
Transdermal Iontophoresis of Vitamin B12 Under Three Different Skin Preparations
STUDY DESIGN: Phase I Clinical Trial The researchers set out to assess the effectiveness of transdermal iontophoretic administration of Vitamin B12 (V.B12) under three different skin preparatory conditions. SETTING: James J.
- Trial name
- NCT04027959
- Testing
- Vitamin B12
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- James J. Peters Veterans Affairs Medical Center
Coronary Disease
Vitamin D Deficiency in Coronary Artery Disease
Large population cross sectional study, was conducted between 2018-2020 by attendance of 4526 patients in shiraz, Iran. Patients were undergone selective coronary angiography from radial artery approach by an expert…
- Trial name
- NCT04651101
- Testing
- coronary angiography
- Where
- Iran
- Volunteers
- 4,526 people
- Sponsor
- Shiraz University of Medical Sciences
Vitamin D Deficiency
Personalized Vitamin D Supplementation in European and African Americans
The proposed study is a randomized, double-blind, controlled, multi-center clinical trial of six months of daily oral vitamin D3 (cholecalciferol).
- Trial name
- NCT02362269
- Testing
- Vitamin D
- Where
- 2 sites in United States
- Volunteers
- 169 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Vitamin d Deficiency, Preeclampsia
25- Hydroxyvitamin D Levels in Pregnancy and Effects on Pregnancy Related Disorders
Evaluation of 25- Hydroxyvitamin D levels in pregnant women in Austria and potential related disorders Hypothesis: Austrian pregnant women are Vitamin D deficient Present vitamin D supplementation in pregnancy is insufficient…
- Conditions
- Vitamin d Deficiency, Preeclampsia, Preterm Delivery, Gestational Hypertension
- Trial name
- VIDIS (NCT04637880)
- Where
- Austria
- Volunteers
- 249 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Vitamin D Deficiency, Stem Cell Transplant Complications
A Randomized Phase IV Control Trial of Single High Dose Oral Vitamin D3 in Pediatric Patients Undergoing HSCT
Research has suggested that children with sufficient vitamin D levels undergoing hematopoietic stem cell transplant (HSCT) have improved outcomes, including lower incidences of infection and graft-versus-host disease (GVHD), as…
- Conditions
- Vitamin D Deficiency, Stem Cell Transplant Complications, Pediatric Cancer, Blood Disorder
- Trial name
- NCT03176849
- Testing
- Vitamin D3, Standard Vitamin D3 Supplementation
- Where
- United States
- Volunteers
- 49 people
- Sponsor
- Phoenix Children's Hospital
Vitamin A Deficiency
Bioefficacy of Beta-cryptoxanthin From Biofortified Maize
Since no quantitative information currently exists on how effectively the pro-vitamin A carotenoid (pVAC) β-cryptoxanthin (βCX) is converted to vitamin A (VA) in humans, this proof of principle study aims to compare the efficacy…
- Trial name
- BIOCRYPT (NCT04153968)
- Testing
- β-cryptoxanthin
- Where
- United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Newcastle University