Clinical trials: Deficiency, Vitamin D
Leg Cramps, Nocturnal
Vitamin D for Painful Nocturnal Leg Cramps
1. Research question: Does vitamin D reduce the frequency and severity of nocturnal leg cramps in older persons who previously took quinine for leg cramps? 2.
- Trial name
- NCT00715429
- Testing
- vitamin d
- Where
- United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Vitamin D Deficiency
The Effect of Vitamin D3 Therapy on Vitamin D Status in Pregnant Women With Vitamin D Deficient and Insufficient
This study is a randomized controlled trial which compares the effect of vitamin D3 therapy 5,000 IU daily and 50,000 IU on 25(OH)D and 1,25(OH)2D, VDBP, and 24,25(OH)2D maternal serum levels in pregnant women with vitamin D…
- Trial name
- NCT06054919
- Testing
- Cholecalciferol
- Where
- Indonesia
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Universitas Indonesia
Obesity, Vitamin D3 Deficiency
Vitamins D and K Effects on Vascular Function in Obese Adults.
A prospective, randomized, placebo-controlled, double-blind study that aims to evaluate the effects of combined vitamin D3 and K2-MK7 supplementation on vascular function, sympathetic tone, metabolic biomarkers and inflammatory…
- Trial name
- NCT05689632
- Testing
- Vitamin D3 + K2-MK7, Vitamin D3
- Where
- Brazil
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Hospital Universitario Pedro Ernesto
Post Liver Transplant Infection
Effect of Preoperative Vitamin D Supplementation in Liver Transplant Recipients With Vitamin D Deficiency on Post Transplant Outcomes
Liver transplantation (LT) remains the ultimate option to cure intractable end stage liver disease. Vitamin D deficiency is very common in these subsets of patients.
- Trial name
- NCT06736093
- Testing
- Vitamin D3
- Where
- India
- Volunteers
- 140 people
- Sponsor
- Institute of Liver and Biliary Sciences, India
Obesity, Childhood, Vitamin D Deficiency
The Changes of Body Composition, Glucolipid Metabolism and Bone Metabolism in Obese Children After Weight Loss
Vitamin D plays a significant role in calcium and phosphorus homeostasis for maintaining structural integrity and function of musculoskeletal system.
- Trial name
- NCT03490448
- Testing
- aerobic exercise and appropriate caloric control
- Where
- China
- Volunteers
- 53 people
- Sponsor
- Xinhua Hospital, Shanghai Jiao Tong University School of Medicine
Vitamin D Deficiency, Osteoporosis
Vitamin D Deficiency in Elderly African American Women in Central Texas
In order to make bone health a reality for older adults, we need to consider the prevalence of Vitamin D deficiency in relation to environment latitude as well as vitamin D supplementation.
- Conditions
- Vitamin D Deficiency, Osteoporosis, Osteopenia
- Trial name
- NCT01971411
- Testing
- Calcium 500mg with 200 IU Vitamin D - 2 tablets daily, Blood levels of Vitamin D, Serum CTX, Mg, Ca++ and iPTH, Usual sun exposure documentation
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- McLennan County Medical Education and Research Foundation
Diabetes Complications, Vitamin D Deficiency
Myocardial Function and Vitamin D Supplementation in Diabetes.
Vitamin D deficiency is recognized as a cardiovascular risk factor. Diabetic patients are of major risk for cardiovascular diseases and typically present with Vitamin D deficiencies.
- Conditions
- Diabetes Complications, Vitamin D Deficiency, Vitamin D Supplementation, Myocardial Dysfunction
- Trial name
- VitaDD (NCT03437421)
- Testing
- Vitamin D3 (cholecalciferol)
- Where
- France
- Volunteers
- 100 people
- Sponsor
- University of Avignon
Vitamin D Deficiency
Effects of Vitamin D Supplementation During Pregnancy on Clinical Outcomes and Immune Function
Researchers at the USDA Western Human Nutrition Research Center and clinicians at UC Davis Medical Center are currently conducting a study on the effects of vitamin D supplementation during pregnancy on maternal health and immune…
- Trial name
- NCT01417351
- Testing
- 400 IU vitamin D3, 2,000 IU Vitamin D3
- Where
- 2 sites in United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
Cytokine Storm
The Effect of D3 on Selected Cytokines Involved in Cytokine Storm in the Covid-19 Uninfected Jordanian People
The effect of Weekly 50,000 IU vitamin D3 supplements on the serum levels of selected cytokines involved in cytokine storm of Covid-19; A randomized clinical trial in the Covid-19 uninfected people with vitamin D deficiency.
- Trial name
- NCT04476745
- Testing
- Vitamin D3
- Where
- Jordan
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Applied Science Private University
Chronic Kidney Disease, Vitamin D Deficiency
Cholecalciferol (Vitamin D3) Therapy in Chronic Kidney Disease (CKD) Subjects
This is a 12 week pilot and feasibility study with an enrollment goal of 30 subjects. Half of the subjects will be randomized to vitamin D3 and the other half will receive a placebo.
- Trial name
- NCT00427037
- Testing
- Cholecalciferol
- Where
- United States
- Volunteers
- 34 people
- Sponsor
- Atlanta VA Medical Center
Vitamin D Deficiency
Effects of Vitamin D-Enriched Mushrooms on Vitamin D Status and Immune Function and Inflammatory Status in Adults
We propose to assess the effects of including vitamin D-enriched mushrooms as part of participants' usual eating pattern primarily on 25(OH) vitamin D2 status and secondarily on immune function and inflammatory status.
- Trial name
- NCT05559112
- Testing
- Vitamin D-enriched mushrooms, Study Powder
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Purdue University
Vitamin D Deficiency, Diabetes Mellitus
Vitamin D Supplementation on Metabolic Syndrome Indicators Among Older Adults, Alborz Province, Iran
General objective: To assess the effect of vitamin D supplementation on metabolic syndrome among food insecure and vitamin D deficient older adults in Karaj city, Alborz province in Iran.
- Conditions
- Vitamin D Deficiency, Diabetes Mellitus, Hypertension, Lipid Metabolism Disorders
- Trial name
- NCT03193944
- Testing
- D-vitin, soft gelatin capsule (vitamin D3,50000 IU)
- Where
- Iran
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Alborz Medical University
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
Drug Resistant Epilepsy
Vitamine D in Drug Resistant Epilepsy
Almost all patients with epilepsy living in the region of Paris have vitamin D deficiency, which is severe in 1/3 of the cases. The impact of this deficiency on epilepsy is unknown, despite the suggested benefits of vitamin D…
- Trial name
- EPI-D (NCT03475225)
- Testing
- Cholecalciferol
- Where
- 2 sites in France
- Volunteers
- 88 people
- Sponsor
- Centre Hospitalier St Anne
Vitamin D Deficiency
Clinical Assessment of Adjunctive Omega-3 Versus Vitamin D Daily Supplements on Active Periodontal Therapy With Stage II Grade B Periodontitis Patients
Clinical Assessment of Adjunctive Omega-3 Versus Vitamin D daily Supplements on Active Periodontal Therapy with Stage II Grade B Periodontitis Patients: A Randomized controlled clinical trial.
- Trial name
- NCT06654063
- Testing
- non-surgical periodontal therapy (SRP), non-surgical periodontal therapy (SRP)+ Omega-3, non-surgical periodontal therapy (SRP)+ Vitamin D
- Where
- Egypt
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- Cairo University
Hidradenitis Suppurativa, Mediterranean Diet
Nutritional Status and Hidradenitis Suppurativa (Acne Inversa)
Hidradenitis suppurativa (HS) is a chronic inflammatory, debilitating skin disorder. The exacerbating factors of HS include nutrition and adiposity.
- Conditions
- Hidradenitis Suppurativa, Mediterranean Diet, Body Composition, Vitamin D Deficiency
- Trial name
- NutriHidra (NCT03683238)
- Testing
- Mediterranean Diet
- Volunteers
- 81 people, healthy volunteers welcome
- Sponsor
- Federico II University
Vitamin D Deficiency
The Effect of Vitamin D Supplementation on Cardiovascular Risk Factors
Six-hundred subjects with vitamin D deficiency will be randomized to vitamin D 3000 IU per day versus placebo for 4 months, with effects on cardiovascular risk factors as main endpoint
- Trial name
- D-COR (NCT02750293)
- Testing
- Cholecalciferol
- Where
- Norway
- Volunteers
- 411 people, healthy volunteers welcome
- Sponsor
- University of Tromso
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
Deficiency, Vitamin D, Insulin Resistance
Vitamin D Supplementation and and Glycemic Indexes
Age affect insulin sensitivity and the metabolism, and vitamin D status was shown to have a correlation with markers of insulin resistance.
- Trial name
- NCT03478475
- Testing
- cholecalciferol (Euro-Pharm International, Canada)
- Volunteers
- 115 people, healthy volunteers welcome
- Sponsor
- Université d'Auvergne
Type 2 Diabetes Mellitus, Obesity
Vitamin D Status and Lipid Profile in Obese Adults With Type 2 Diabetes
This prospective, single-center, cross-sectional observational study aims to evaluate the association between serum 25-hydroxyvitamin D concentrations and lipid profile parameters among adults with obesity and established type 2…
- Conditions
- Type 2 Diabetes Mellitus, Obesity, Dyslipidemia, Vitamin D Deficiency
- Trial name
- VILD-T2D (NCT07729553)
- Volunteers
- 150 people
- Sponsor
- Sinai University
The first 1,020 results can be paged through. Add a filter or change the sort order to reach the rest.