Clinical trials: Cholecalciferol
Weight Loss, Starvation
Resistance Exercise and Protein During Weight Loss
The purpose of this study is to determine if post-exercise protein supplementation can rescue the anabolic response of muscle and bone to resistance exercise during caloric restriction.
- Trial name
- RIDE (NCT03600311)
- Testing
- Caloric Restriction, Post-Exercise Protein, Energy Balance
- Where
- United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- University of Nebraska Lincoln
Osteoporosis
A Study of the Bioequivalence of 70 mg Alendronate and 70 mg Alendronate in Combination With 2800 IU Vitamin D
This study will evaluate the bioequivalence of alendronate in combination with vitamin D (cholecalciferol) compared to alendronate alone and the bioequivalence of vitamin D in combination with alendronate compared to vitamin D…
- Trial name
- NCT00806416
- Testing
- alendronate sodium (+) cholecalciferol, Comparator: alendronate, Comparator: cholecalciferol (Vitamin D)
- Volunteers
- 244 people, healthy volunteers welcome
- Sponsor
- Organon and Co
Healthy Nutrition
Dose Estimation of Jarlsberg Cheese in Young, Active Norwegian Cross-country Skiers (XCS)
The main aim was to estimate the daily OED of Jarlsberg cheese related to increased total serum Osteocalcin (tOC) level in young, active female and male Cross-country skiers (XCS).
- Trial name
- NCT05447936
- Testing
- Jarlsberg cheese
- Where
- Norway
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Meddoc
Healthy Volunteers
Effect of Nutrition Ingredients on Microbiota Modulation
The objective of this study is to evaluate in healthy volunteers the time-dependent effect of daily consumption for four weeks of six different nutrition ingredients on relative abundance of microbial taxa in fecal samples.
- Trial name
- VitaGut (NCT03668964)
- Testing
- Vitamin B2, Vitamin C, Vitamin B2 + C
- Where
- Ireland
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- dsm-firmenich Switzerland AG
Tubulointerstitial Kidney Diseases, MUC1 Kidney Disease
Effect of Cholecalciferol on Mucin-1 Levels in Urinary Extracelllular Vesicles in Individuals With Autosomal Dominant Tubulo-Interstitial Kidney Disease Due to MUC1 Mutations (ADTKD-MUC1)
Autosomal dominant tubulointerstitial kidney disease due to MUC1 mutations (ADTKD-MUC1) is caused by mutations in the MUC1 gene encoding the protein mucin-1.
- Trial name
- CyCHOLEMUC1 (NCT07903909)
- Testing
- Cholecalciferol (Vit D3)
- Where
- Cyprus
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Gregory Papagregoriou
Obesity, Vitamin D Deficiency
Impact of Maternal Body Weight on Vitamin D Status During Pregnancy
Research shows high levels of vitamin D deficiency in pregnant women in Northern Ireland. Body composition is a determinant of vitamin D status.
- Trial name
- MO-VITD (NCT02713009)
- Testing
- Pregnancy multi-vitamin (including 10μg vitamin D3), 10μg vitamin D3
- Where
- United Kingdom
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- University of Ulster
Osteoporosis
A Study of the Bioequivalence of 70-mg Alendronate and 70-mg Alendronate in Combination With 5600 IU Vitamin D (MK0217A-253)
This study will evaluate the bioequivalence of alendronate in combination with vitamin D compared to alendronate alone and the bioequivalence of vitamin D in combination with alendronate compared to vitamin D alone.
- Trial name
- NCT00803790
- Testing
- alendronate sodium+vitamin D combination, Comparator: alendronate, Comparator: Vitamin D
- Volunteers
- 318 people, healthy volunteers welcome
- Sponsor
- Organon and Co
Sarcopenia, Osteopenia
Nutrient Support to Body Composition and Healthy Ageing
The focus is healthy ageing, i.e. delaying the deterioration in health status in older adults. Loss of lean tissue (skeletal muscle) mass, a process termed sarcopenia, or bone tissue mass, a process called osteopenia, is a…
- Trial name
- BCHA (NCT02529124)
- Testing
- CONTROL, PROTEIN, PHYSICAL ACTIVITY
- Volunteers
- 254 people, healthy volunteers welcome
- Sponsor
- Phil Jakeman
COVID-19 Respiratory Infection
Role of Vit-D Supplementation on BioNTech, Pfizer Vaccine Side Effect and Immunoglobulin G Response
The goal of this clinical trial study is to investigate the role of anthropometric indices and Vit-D supplementation on BioNTech, Pfizer vaccine side effect and immunoglobulin G response against SARS-CoV-2 in individuals infected…
- Trial name
- NCT05851313
- Testing
- Vitamin-D
- Where
- Iraq
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Sulaimani Polytechnic University
Sport Medicine, Sport
Ischemic Preconditioning - Perspectives of Use Vivio/in Vitro Studies
Both in sports and medicine, methods that can significantly contribute to improving the ability of tissues to perform their functions are constantly being searched.
- Conditions
- Sport Medicine, Sport, Physiological Adaptations, Sport Performance
- Trial name
- NCT07117643
- Testing
- Ischemic Preconditioning
- Where
- 2 sites in Poland
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Gdansk University of Physical Education and Sport
Bone Alteration, Dietary Modification
Efficacy of a Once Daily Calcium and Vitamin D Fortified Food Product to Improve Bone Microarchitecture
The primary objective of this randomized, double-blind, placebo controlled trial is to determine the efficacy of a once per day calcium (1000mg) and vitamin D (1000IU) fortified food product on bone turnover markers, including…
- Trial name
- NCT02375503
- Testing
- Calcium/Vitamin D
- Where
- United States
- Volunteers
- 175 people, healthy volunteers welcome
- Sponsor
- United States Army Research Institute of Environmental Medicine
Overweight, Obesity
Effect of Vitamin D on Metabolic Profile in Overweight or Obese Women
The investigators investigated the effect of vitamin D3 supplementation on metabolic profile (anthropometric measures, blood pressure Lipids, lipoproteins and glycemic indices) in overweight or obese women.
- Trial name
- NCT01344161
- Testing
- vitamin D
- Where
- Iran
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- Tehran University of Medical Sciences
VITAMIN D Disorders
Serum Vitamin D Level and Its Association With Ovarian Reserve and IVF Outcome
Vitamin D has a major play in bone and calcium metabolism. Vitamin D deficiency (below 20 ng/ml) has also been linked to adverse health outcomes such as malignancy, cardiovascular disease, immune functioning, and glucose…
- Trial name
- NCT02317718
- Testing
- monitor reproductive outcome
- Where
- United Arab Emirates
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Fakih IVF Fertility Center
Leiomyoma, Vitamin D Deficiency
Vitamin D Deficit in Women With Uterine Fibroids
Determinate the level of vitamin D in blood, and evaluate the prevalence of deficit and insufficiency among patients with diagnosis of uterine fibroids
- Conditions
- Leiomyoma, Vitamin D Deficiency, Fibroid Uterus
- Trial name
- NCT04030182
- Testing
- Level of Vitamin D
- Where
- 2 sites in Mexico
- Volunteers
- 127 people, healthy volunteers welcome
- Sponsor
- Instituto Mexicano del Seguro Social
Type 2 Diabetes Mellitus
Vitamin D Receptor Polymorphisms and Efficacy of Vitamin D-Fortified Yogurt Drink in Patients With Type 2 Diabetes
Study is a 12-week Double blind,controlled experiments designed to examine the possible effects of vitamin D receptor gene polymorphisms on the metabolic, inflammatory and oxidative stress markers in type 2 diabetic patients to…
- Trial name
- NCT01236846
- Testing
- Fortified Yogurt Drink, Plain Yogurt Drink
- Where
- 4 sites in Iran
- Volunteers
- 180 people, healthy volunteers welcome
- Sponsor
- Tirang R. Neyestani
Oral Mucositis Due to Radiation
Vitamin D Oral Gel for Prevention of Radiation Induced Oral Mucositis
The main aim of this study was to evaluate clinically the effect of topical oral vitamin D gel in comparison to conventional therapy in prevention of radiation - induced oral mucositis
- Trial name
- NCT04308161
- Testing
- vitamin D oral gel, Miconazole Topical Gel, BBC oral spray
- Where
- Egypt
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Hams Hamed Abdelrahman
Reproductive Effects, Pregnancy
Vitamin D and Pregnancy: Camden Study
Vitamin D is present in food either naturally or by fortification and included in nutritional supplements. It is also synthesized photochemically by the skin from ultraviolet B radiation.
- Trial name
- NCT02032459
- Where
- United States
- Volunteers
- 1,141 people, healthy volunteers welcome
- Sponsor
- Rowan University
Osteoporosis, Bone Diseases, Metabolic
Patient Activation After DXA Result Notification
There is growing evidence that patients undergoing bone mineral density testing (BMD) often do not take important steps to improve their bone health.
- Trial name
- PAADRN (NCT01507662)
- Testing
- Bone Mineral Density Result Letter and Bone Health Brochure
- Where
- 4 sites in United States, Canada
- Volunteers
- 7,749 people, healthy volunteers welcome
- Sponsor
- Fredric D Wolinsky
Healthy Schoolchildren
Sunlight Exposure and Vitamin D in Children
The purpose of this study is to examine the amount of sunlight exposure and vitamin D status of adolescent schoolchildren in each season throughout the year.
- Trial name
- NCT01477827
- Testing
- None - observational study
- Where
- United Kingdom
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- University of Manchester
Vitamin D, Vitamin D and Calcium Homeostasis
Free Vitamin D and Steroid Metabolism in Endocrine Disorders
This clinical study aims to gain a better understanding of how different forms of vitamin D are processed in the body in healthy individuals, pregnant women, and patients with various hormonal (endocrine) and kidney (renal)…
- Trial name
- FREEDOM (NCT07268742)
- Testing
- Blood draw for the laboratory assessment
- Where
- Belgium
- Volunteers
- 930 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
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