Clinical trials: Cholecalciferol
Chronic Heart Failure
VItamiN D treatIng Chronic heArT Failure (the Effect of Vitamin D Supplementation in Patients With Heart Failure)
VINDICATE 2 will be a randomised, placebo-controlled, parallel group, double-blind study of vitamin D versus placebo in otherwise optimally-managed patients with CHF due to LVSD and vitamin D deficiency (<50nmol/L).
- Trial name
- VINDICATE2 (NCT03416361)
- Testing
- 4000IU Vitamin D3
- Where
- United Kingdom
- Volunteers
- 1,253 people
- Sponsor
- University of Leeds
Sarcopenia
Mixed Exercise Training and Novel Multi-Nutrient Supplementation in Young Adults
This study aims to elucidate the effects of 12 weeks of novel multi-nutrient supplementation combined with mixed aerobic/resistance exercise training on skeletal muscle function in young adults.
- Trial name
- NCT06231069
- Testing
- Multi-nutrient supplement, Exercise
- Where
- Canada
- Volunteers
- healthy volunteers welcome
- Sponsor
- McMaster University
Gaucher Disease
Study of the Effect of Velaglucerase Alfa (VPRIV®) on Bone-related Pathology in Treatment-naïve Participants With Type 1 Gaucher Disease
The primary purpose of this study is to evaluate the effect of VPRIV therapy (60 units per kilogram [U/kg] every other week [EOW]) in treatment-naive participants with type 1 Gaucher disease on change from baseline in lumbar…
- Trial name
- NCT02574286
- Testing
- Velaglucerase alfa, Vitamin D
- Where
- 15 sites in United States, Israel and 2 more
- Volunteers
- 21 people
- Sponsor
- Shire
Prostatic Neoplasms, Bone Mineral Density Quantitative Trait Locus 3
High-dose Vitamin D Supplementation for ADT-induced Side Effects
The purpose of this study is to test the efficacy of a high-dose vitamin D supplementation regimen in reducing androgen deprivation therapy (ADT)-related side effects in older prostate cancer patients on ADT.
- Trial name
- NCT02064946
- Testing
- vitamin D
- Where
- United States
- Volunteers
- 108 people
- Sponsor
- University of Rochester
Obesity, Insulin Resistance
Vitamin D Supplementation to Obese Chinese Males
Hypothesis: Oral Supplementation of Vitamin D can Reduce Hypersecretion of Parathyroid Hormone and Insulin Resistance in Obese Chinese Males.
- Trial name
- NCT01781169
- Testing
- Oral supplementation of vitamin D
- Where
- China
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Shenzhen Center for Chronic Disease Control
Lower Urinary Tract Symptoms, Vitamin D Deficiency
Uroflowmetry Results and Vitamin D Levels
The investigators aimed to evaluate the relationship between LUTS and vitamin D with uroflowmetry parameters in female patients. They found no relation between vitamin D levels and LUTS in respect to uroflowmetry.
- Conditions
- Lower Urinary Tract Symptoms, Vitamin D Deficiency, Calcium Deficiency
- Trial name
- NCT04405141
- Volunteers
- 186 people
- Sponsor
- Umraniye Education and Research Hospital
Vitamin D Deficiency, Pre-Eclampsia
Vitamin D in Pregnancy
Danish pregnant women are recommended ad daily vitamin D supplement of 10 µg. Despite the fact that 9 out of 10 women take vitamin D supplements, more than 40% of pregnant women are vitamin D deficient, putting them at an…
- Conditions
- Vitamin D Deficiency, Pre-Eclampsia, Fetal Growth Retardation, Gestational Diabetes
- Trial name
- GRAVITD (NCT04291313)
- Testing
- Vitamin D3 (90µg), Vitamin D3 (10µg)
- Where
- 2 sites in Denmark
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Nephrolithiasis, Urolithiasis
Vitamin D Repletion in Stone Formers With Hypercalciuria
Vitamin D plays a critical role in maintaining bone health, as well as preventing cardiovascular disease, cancer, and various autoimmune diseases, such as diabetes.
- Conditions
- Nephrolithiasis, Urolithiasis, Idiopathic Hypercalciuria, Vitamin D Deficiency
- Trial name
- NCT01295879
- Testing
- Ergocalciferol
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- New York Presbyterian Hospital
Osteoporosis
Safety/Efficacy of Zoledronic Acid and Alendronate on Bone Metabolism in Postmenopausal Women With Osteoporosis
The aim of this study was to examine the effect of zoledronic acid and alendronate on bone metabolism as measured by biomarkers in postmenopausal women with osteoporosis.
- Trial name
- ROSE (NCT00404820)
- Testing
- Zoledronic acid 5 mg solution, Alendronate 70 mg tablets, Calcium/Vitamin D
- Where
- Germany
- Volunteers
- 604 people
- Sponsor
- Novartis
Intrauterine Growth Retardation, Low Birth Weight
Effect of Prenatal Nutritional Supplementation on Birth Outcome in Hounde District, Burkina Faso
Low birth weight (LBW; birth weight<2,500g) is the most important determinant of mortality and morbidity in the neonatal period.
- Trial name
- MISAME2 (NCT00909974)
- Testing
- UNIMMAP - multiple micronutrients, Food supplement enriched with multiple micronutrients
- Where
- Burkina Faso
- Volunteers
- 1,302 people
- Sponsor
- Institute of Tropical Medicine, Belgium
Vitamin D Deficiency, Osteoporosis
Does Vitamin D Alter Bone's Response to Vibration?
Fractures in children are common and the incidence is increasing. They are more common in children who have small, narrow and weak bones.
- Trial name
- NCT02743559
- Testing
- Mechanical Stimulation using whole body vibration
- Where
- United Kingdom
- Sponsor
- Sheffield Children's NHS Foundation Trust
Cancer Breast, Hypovitaminosis D
Influence of Preoperative Vitamin D Level on Postoperative Pain in Breast Cancer Surgery Patients
Vitamin D deficiency is a general problem that vigorously affects human health . Breast cancer is the most frequently diagnosed life-threatening cancer in women and the leading cause of cancer death among women.Vitamin D…
- Trial name
- NCT06551688
- Testing
- Serum 25(OH)D level
- Where
- Egypt
- Volunteers
- 184 people
- Sponsor
- Fayoum University
Vitamin D Deficiency
Effect of Vitamin D3 and Omega-3FA on Leptin and HbA1C With Vitamin D Deficiency
The Combined effect of Vitamin D3 and Omega-3 supplements on serum leptin and Glycated hemoglobin (Hb A1C) levels in Jordanian people with vitamin D deficiency.
- Trial name
- NCT03735303
- Testing
- VD3 group, omega 3 FA group, VD3 and omega- 3FA group
- Where
- Jordan
- Volunteers
- 146 people, healthy volunteers welcome
- Sponsor
- Applied Science Private University
Heart Failure, Iron-deficiency
Beneficial Effects of Vitamin D Combined With Oral Iron Supplementation in Patients With Chronic Heart Failure and Iron Deficiency
The goal of this randomized, controlled, open-label, interventional study is to evaluate whether, in patients with heart failure (HF) and iron deficiency (ID), the administration of vitamin D in combination with sucrosomial iron…
- Conditions
- Heart Failure, Iron-deficiency, Heart Failure, Systolic, Heart Failure NYHA Class II
- Trial name
- VICTORID-HF (NCT05702970)
- Testing
- Sucrosomial iron, Vitamin D, Ferric Carboxymaltose 50 MG/ML
- Volunteers
- 258 people
- Sponsor
- University of Padova
Type 2 Diabetes Mellitus
Effect of Vitamin D Supplementation on Hemoglobin A1c in Patients With Uncontrolled Type 2 Diabetes Mellitus
The purpose of this study is to determine if daily supplementation with 2000 International Units of Vitamin D will improve hemoglobin A1c in uncontrolled type 2 diabetics.
- Trial name
- NCT00985361
- Testing
- Vitamin D3 2000 international units daily, Vitamin C 500mg daily
- Where
- 3 sites in United States
- Volunteers
- 37 people
- Sponsor
- ProMedica Health System
Stress Fracture
Calcium and Vitamin D Supplementation Decreases Incidence of Stress Fractures in Female Navy Recruits
We conducted a double-blind, placebo-controlled randomized clinical trial of calcium and vitamin D supplementation in 5201 female Naval recruits.
- Trial name
- NCT00476346
- Testing
- Calcium & Vitamin D
- Where
- United States
- Volunteers
- 5,201 people, healthy volunteers welcome
- Sponsor
- Creighton University
Sickle Cell Disease, Vitamin D Deficiency
High Dose Vitamin D Supplementation in Children With Sickle Cell Disease
Suboptimal vitamin D status is well reported in sickle cell disease (SCD) patients and associated with a negative impact on health-related quality of life (HRQL).
- Conditions
- Sickle Cell Disease, Vitamin D Deficiency, Health Related Quality of Life, Hand Grip Strength
- Trial name
- NCT06274203
- Testing
- Vitamin D3
- Where
- Egypt
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Zagazig University
Vitamin D Deficiency
Effects of Vitamin D Insufficiency in Man
We would like to determine if vitamin D insufficiency exists in different ethnic groups, if it has an effect on bone mass and muscle function, if it has an impact on the function of the cells of the immune system, and if the…
- Trial name
- NCT01848236
- Testing
- Vitamin D2, Vitamin D3
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- University of California, Los Angeles
Vitamin D Deficiency
Effect of Vitamin D-biofortified Eggs on Wintertime Serum 25-hydroxyvitamin D in Adults: Randomized Controlled Trial
While there have been a considerable number of studies on the impact of additional vitamin D in the diets of hens on the resulting egg vitamin D content, the effect of consumption of such vitamin D-enhanced eggs on vitamin D…
- Trial name
- EnhanceDeggs (NCT02678364)
- Testing
- Control eggs, Vitamin D3 eggs, 25-Hydroxyvitamin D3 eggs
- Where
- Ireland
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- University College Cork
Osteoporosis
Study of AK156 in Primary Osteoporosis Patients
The purpose of this study is to investigate the efficacy and safety of AK156 in Japanese patients with primary osteoporosis.
- Trial name
- NCT01522521
- Testing
- AK156
- Where
- 20 sites in Japan
- Volunteers
- 600 people
- Sponsor
- Asahi Kasei Therapeutics Corporation
The first 1,020 results can be paged through. Add a filter or change the sort order to reach the rest.