Clinical trials: Cholecalciferol
Chronic Kidney Disease
Differential Effects of Ergocalciferol and Cholecalciferol Therapies in Chronic Kidney Disease
This study is to research two questions. First, is vitamin D3 more effective than vitamin D2 in raising 25-hydroxyvitamin D [25(OH)D] levels in chronic kidney disease (CKD) patients? And secondly, what are the differential…
- Trial name
- NCT01835691
- Testing
- Vitamin D2 (ergocalciferol), Vitamin D3 (cholecalciferol)
- Where
- United States
- Volunteers
- 44 people
- Sponsor
- University of Kansas Medical Center
Osteomalacia
Serum Prolidase Activity and the Role of Leptin in Osteomalacia
Evaluation of the change of serum Prolidase and Leptin values in the diagnosis and follow-up of osteomalacia and its clinical usability
- Trial name
- NCT05716750
- Testing
- Vitamin D
- Volunteers
- 38 people
- Sponsor
- TUĞBA ŞAHBAZ
Child, Hospitalized, Vitamin D Deficiency
Effect of Vitamin D Supplementation on Improvement of Pneumonic Children
In Egypt, according to UNICEF 2018, Acute Respiratory Tract Infection (ARTIs)was estimated to account for 11% and 19% of the under-five and post-neonatal mortalities respectively.
- Conditions
- Child, Hospitalized, Vitamin D Deficiency, Pneumonia
- Trial name
- NCT04244474
- Testing
- A single one ml injection
- Where
- Egypt
- Volunteers
- 191 people
- Sponsor
- Cairo University
Female Hormone Profile
Acute Vitamin D Supplementation on Testosterone in Females
Participation will take place over two visits to the Clinical Exercise Research Center (CERC) at the University of Southern California Health Sciences Campus.
- Trial name
- NCT06610968
- Testing
- Vitamin D (Cholecalciferol )
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Southern California
COVID-19 Pneumonia
Efficacy and Safety of Oral Immunotherapy With GcMAF in Hospitalized Patients With COVID-19 Pneumonia
As of August 16, 2020, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has been responsible for more than 21 294 000 infections and about 760 000 deaths worldwide.
- Trial name
- COral-MAF1 (NCT04845971)
- Testing
- Saisei Maf capsules
- Where
- Italy
- Volunteers
- 97 people
- Sponsor
- Dr. Spadera Lucrezia
Aggressive Non-Hodgkin Lymphoma, Anaplastic Large Cell Lymphoma
Cholecalciferol in Improving Survival in Patients With Newly Diagnosed Cancer With Vitamin D Insufficiency
This partially randomized clinical trial studies cholecalciferol in improving survival in patients with newly diagnosed cancer with vitamin D insufficiency.
- Conditions
- Aggressive Non-Hodgkin Lymphoma, Anaplastic Large Cell Lymphoma, Angioimmunoblastic T-Cell Lymphoma, Chronic Lymphocytic Leukemia
- Trial name
- NCT01787409
- Testing
- Cholecalciferol, Laboratory Biomarker Analysis
- Where
- 5 sites in United States
- Volunteers
- 565 people
- Sponsor
- Mayo Clinic
Urolithiasis
Effect of Vitamin D Replacement in Patients With Urolithiasis
When Vitamin D replacement is initiated in patients with history of urolithiasis, there will be higher incidence of hypercalciuria but with careful follow-up of these patients, hypercalciuria could be appropriately managed with…
- Trial name
- NCT01349764
- Testing
- Vitamin D3
- Where
- Canada
- Volunteers
- 10 people
- Sponsor
- McGill University Health Centre/Research Institute of the McGill University Health Centre
Infertility
Vitamin D Deficiency and Pregnancy Rates in Women Undergoing Frozen Embryo Transfer
Vitamin D receptors are present and differently expressed in murine endometrium and ovary throughout the estrous cycle , whereas knock-out experiments have shown that vitamin D receptor null mice experience uterine hypoplasia and…
- Trial name
- NCT01985672
- Testing
- Frozen embryo transfer
- Where
- Belgium
- Volunteers
- 280 people
- Sponsor
- Universitair Ziekenhuis Brussel
Femur Neck Fracture
Second Study of the Effect of Teriparatide on Hip Fracture Healing
The purpose of this study is to see whether teriparatide, given for 6 months versus placebo, will improve the healing of hip (femoral neck) fractures that are repaired during surgery using certain types of orthopedic screws.
- Trial name
- NCT01473602
- Testing
- Teriparatide, Calcium supplementation, Vitamin D supplementation
- Where
- 75 sites in United States, Belgium and 12 more
- Volunteers
- 39 people
- Sponsor
- Eli Lilly and Company
Vitamin D Deficiency, Osteopenia of Prematurity
The High Initial Dose of Monitored Vitamin D Supplementation in Preterm Infants.
The aim of this study will be to assess the effectiveness of monitored vit D supplementation in a population of preterm infants and to identify whether the proper vit D supplementation in preterm infants can reduce the incidence…
- Conditions
- Vitamin D Deficiency, Osteopenia of Prematurity, Nephrolithiasis, Metabolic Bone Disease
- Trial name
- HIDVID (NCT06199102)
- Testing
- cholecalciferol/ Devikap
- Where
- Poland
- Volunteers
- 130 people
- Sponsor
- Princess Anna Mazowiecka Hospital, Warsaw, Poland
Cognitive Decline
A Large Randomized Trial of Vitamin D, Omega-3 Fatty Acids and Cognitive Decline
The VITamin D and OmegA-3 TriaL (VITAL; NCT 01169259) is an ongoing randomized clinical trial in 25,875 U.S. men and women investigating whether taking daily dietary supplements of vitamin D3 (2000 IU) or omega-3 fatty acids…
- Trial name
- VITAL-Cog (NCT01669915)
- Testing
- vitamin D3, omega-3 fatty acids (fish oil)
- Where
- United States
- Volunteers
- 3,424 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Severe Acute Malnutrition in Childhood, Malnutrition, Child
Treatment of Severe Acute Malnutrition in Children 6 to 59 Months Old With Standard Ready To Use Therapeutic Food Compared to a Newly Formulated Lipid Optimized Ready To Use Therapeutic Food
The goal of this randomized clinical trial is to learn if a newly formulated Lipid-Optimized Ready-to-Use Therapeutic Food (LO-RUTF) can treat severe acute malnutrition in children aged 6 to 59 months.
- Conditions
- Severe Acute Malnutrition in Childhood, Malnutrition, Child, Neurocognition, Child
- Trial name
- NCT07345884
- Testing
- Lipid-Optimized Ready to Use Therapeutic Food (RUTF), Ready to Use Therapeutic Food (RUTF)
- Where
- Pakistan
- Volunteers
- 125 people
- Sponsor
- University of California, Los Angeles
Vitamin D Deficiency, Vascular Calcification
Effects of Cholecalciferol on Osteoprotegerin Levels in Patients on Peritoneal Dialysis
Aim: To investigate whether cholecalciferol (4800 U/daily) or placebo for 16 weeks reduces proteins levels associated with vascular calcification (osteoprotegerin, osteopontin, osteocalcin) in patients treated with peritoneal…
- Conditions
- Vitamin D Deficiency, Vascular Calcification, Renal Insufficiency, End Stage Renal Failure on Dialysis
- Trial name
- NCT02598635
- Testing
- Cholecalciferol
- Where
- Mexico
- Volunteers
- 58 people
- Sponsor
- Instituto Nacional de Ciencias Medicas y Nutricion Salvador Zubiran
Covid19, Acute Respiratory Tract Infection
Trial of Vitamin D to Reduce Risk and Severity of COVID-19 and Other Acute Respiratory Infections
CORONAVIT is an open-label, phase 3, randomised clinical trial testing whether implementation of a test-and-treat approach to correction of sub-optimal vitamin D status results in reduced risk and/or severity of COVID-19 and…
- Trial name
- CORONAVIT (NCT04579640)
- Testing
- Vitamin D
- Where
- United Kingdom
- Volunteers
- 6,200 people, healthy volunteers welcome
- Sponsor
- Queen Mary University of London
Healthy
Relative Efficacy of Vitamins D2 and D3 in Adult Humans
Vitamin D2 in chronic dosing will produce less of an elevation of serum 25(OH)D than will the same dose of vitamin D3.
- Trial name
- NCT01139840
- Testing
- vitamin D2, vitamin D3
- Where
- United States
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Creighton University
Type 1 Diabetes
Cord Blood Plus Vitamin D and Omega 3s in T1D
In this pilot study the investigators are trying to see if a single intravenous infusion of autologous (self) cord blood cells followed by 1 year of daily vitamin D and omega 3 fatty acid supplementation can preserve beta cell…
- Trial name
- NCT00873925
- Testing
- Autologous UCB, Omega 3 FA, Vitamin D
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- University of Florida
Bronchial Asthma, Vitamin D Deficiency
Vitamin D Status and Asthma Control, Pulmonary Function, and Oxidative Stress in Adults With Bronchial Asthma
Asthma is a chronic inflammatory airway disease associated with variable airflow limitation and persistent respiratory symptoms.
- Conditions
- Bronchial Asthma, Vitamin D Deficiency, Pulmonary Function Impairment, Oxidative Stress
- Trial name
- VD-ASTHMA (NCT07733635)
- Volunteers
- 134 people
- Sponsor
- Sinai University
Bacterial Pneumonia
Vitamin D Supplementation Prevents Elderly Pneumonia
Pneumonia is the fourth leading cause of death and frequently occurs in institutionalized elderly people in Japan. Recently, several clinical and experimental studies have reported the importance of vitamin D in the regulation of…
- Trial name
- NCT00877422
- Testing
- Vitamin D3
- Where
- Japan
- Volunteers
- 100 people
- Sponsor
- Tohoku University
Migraine
Statin/Vitamin D & Migraine Study
The investigators are studying if taking simvastatin and vitamin D together will help prevent episodic migraines. Simvastatin is an FDA approved drug that is typically used to treat high cholesterol and reduce the risk of stroke…
- Trial name
- NCT01225263
- Testing
- Simvastatin, Vitamin D
- Where
- United States
- Volunteers
- 89 people
- Sponsor
- Rami Burstein
Prostate Adenocarcinoma
Cholecalciferol Supplement in Treating Patients With Localized Prostate Cancer Undergoing Observation
This randomized clinical trial studies how well cholecalciferol supplement works in treating patients with localized prostate cancer undergoing observation.
- Trial name
- NCT00887432
- Testing
- Cholecalciferol, Laboratory Biomarker Analysis, Patient Observation
- Where
- United States
- Volunteers
- 132 people
- Sponsor
- Roswell Park Cancer Institute
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