Clinical trials: Cholecalciferol
Vitamin D Deficiency, Hypocalcemia
Effect of Vitamin D Supplement on Disease Activity in SLE
To study the effect of vitamin D supplementation on disease activity of SLE ( SLEDAI-2K ) and IL-6 level
- Conditions
- Vitamin D Deficiency, Hypocalcemia, Hyperparathyroidism, Systemic Lupus Erythematosus (Disorder)
- Trial name
- NCT05260255
- Testing
- vitamin D2 ( calciferol )
- Where
- Thailand
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Department of Medical Services Ministry of Public Health of Thailand
Fall Prevention, Autonomy of Older People
Advanced Practice Nurses for Fall Incidence PrevenTion in Very Old Robust Adults
APN-FIT is a hybrid type 1 clinical trial comparing the effect of an APN delivered fall prevention programme with standard care in non-frail patients.
- Conditions
- Fall Prevention, Autonomy of Older People, Frail Elderly, Advanced Practice Nursing
- Trial name
- APN-FIT (NCT06617806)
- Testing
- Follow-up by the Advanced Practice Nurse
- Where
- France
- Volunteers
- 386 people
- Sponsor
- Nantes University Hospital
Migraine, Magnesium, Pediatric
Serum Magnesium Level and Pediatric Migraine
Aim: The purpose of this study is to compare serum magnesium levels between patients with migraine and a control group and to examine the relationship between the frequency and duration of attacks in patients with migraine and…
- Trial name
- Migraine (NCT06274255)
- Where
- 4 sites in Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Mersin University
Vitamin D Deficiency, Leiomyoma
Correlation Between Serum Vitamin D3 and Incidence of Uterine Leiomyoma
The aim of the current study is to evaluate the association between low serum vitamin D level and incidence of uterine leiomyoma in Egyptian women as the research hypothesis that low serum vitamin D is considered a risk factor…
- Trial name
- NCT05151393
- Testing
- Measuring vitamin D3 level
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Mineral Absorption
Evaluation of Calcium, Vitamin D, Magnesium, and Zinc Absorption in Children
The goal of our research is to provide data to enhance the development of nutritional guidelines, especially as related to mineral nutrition, in children.
- Trial name
- NCT00868738
- Testing
- Vitamin D
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Baylor College of Medicine
Healthy
Study Assessing Dosing Time and Calcium and Vitamin D on the Relative BA of 35 mg DR Risedronate Dosed With Food
Randomized, open-label, single dose, 3-treatment, 3-period crossover study, with a 14- to 17-day washout period between doses. The study will consist of a screening visit, study center admission (preceding Treatment Periods 1, 2…
- Trial name
- NCT00868907
- Testing
- 35 mg risedronate DR tablet
- Where
- 4 sites in United States
- Volunteers
- 101 people, healthy volunteers welcome
- Sponsor
- Warner Chilcott
Overweight
Effect of a Dietary Supplement on Weight Loss and Psychological Wellbeing in Overweight Individuals
The aim of this randomized, parallel, two-arm, placebo-controlled, double-blind, multicenter clinical trial is to evaluate the efficacy of a dietary supplement on weight loss and psychological well-being in overweight individuals.
- Trial name
- NCT05758363
- Testing
- Consumption of dietary supplement., Consumption of control product
- Where
- Spain
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Universidad Católica San Antonio de Murcia
Osteoporosis
Radiological Biological Genetic and Micro-architectural Bone Determinants of Fractures in Men With Low Bone Mineral Density
Rational: Osteoporosis in men is responsible for one third of fragility fractures. However the definition and especially the determinants of fracture in humans are less well known than in women.
- Trial name
- OSTEHOM (NCT01250314)
- Testing
- Radiology, Biological, biochemical and genetic samples
- Where
- France
- Volunteers
- 79 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Formula Milk, Breast Milk Collection
Metabolomic Profile in Breastfed Late Preterm Infants
Exclusive breast milk is recommended from birth to 6 months of life to promote the development of a balanced intestinal microbiota.
- Conditions
- Formula Milk, Breast Milk Collection, Postbiotic Supplemented Formula Milk
- Trial name
- NCT06052592
- Testing
- Milk
- Where
- 2 sites in Italy
- Volunteers
- 54 people
- Sponsor
- Ospedale Buon Consiglio Fatebenefratelli
Vitamin D Deficiency in Older Persons
Daily Vitamin D Supplementation Compared to a Loading Dose and Monthly Supplementation in Elderly Nursing Home Residents
Vitamin D deficiency is common in older persons, in particular in residents of nursing homes. This is mainly explained by the fact that older persons do not often go outside in the sunshine.
- Trial name
- VIDIV (NCT01168544)
- Testing
- loading dose Vitamin D and 50.000 IU vit D3/month, loading dose and 25.000 IU vit D3/month, Vitamin D 800 IU /day
- Where
- Netherlands
- Volunteers
- 160 people
- Sponsor
- Rijnstate Hospital
Prostate Cancer (Adenocarcinoma), Vitamin D on Tumor Response and Inflammatory Markers
Comparative Analysis of Immunological Responses to Vitamin D Replacement Therapy in Black and West African Men Diagnosed With Prostate Cancer: Elucidating Differential Effects on Immune Function Between Patients With Localized Disease and Those With Metastatic Progression
This study is testing whether fixing vitamin D deficiency in Black/West African men with prostate cancer can strengthen their immune system, improve quality of life, and even slow cancer progression compared to those who remain…
- Trial name
- iCCaRE (NCT07598032)
- Testing
- vitamin D 25(OH)D
- Where
- Nigeria
- Volunteers
- 200 people
- Sponsor
- University of Ilorin Teaching Hospital
Secondary Hyperparathyroidism, Hypocalcemia
Bioequivalency Study of Calcitriol Tablets Under Fasting Conditions
The objective of this study was to assess the bioequivalence of Roxane Laboratories' Calcitriol capsules, 0.25 mcg, to ROCALTROL® capsules, 0.25 mcg (Roche) using a single-dose, 2-treatment, 2-period, crossover design, under…
- Trial name
- NCT00601328
- Testing
- Calcitriol
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Roxane Laboratories
Osteoporosis
Impact of Vitamin D Supplementation on Lactation Associated Bone Loss
Studies have shown that lactation is associated with a loss of bone density from four to seven percent at the spine and hip among women who lactate for six months. Decline in bone density with lactation occurs rapidly.
- Trial name
- NCT00903344
- Testing
- Vitamin D3, Multivitamin
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Leigh Eck, MD
Vitamin D Deficiency, Vitamin D Insufficiency
Vitamin D to Improve Nutrition Prior to Bariatric Surgery and Investigate the Relationship With Negative Outcomes
VISTA is looking to see if vitamin D supplements before bariatric surgery might improve vitamin D stores, which may help to prevent some complications like infections.
- Trial name
- VISTA (NCT02212652)
- Testing
- Vitamin D, Standard of Care
- Where
- United States
- Volunteers
- 70 people
- Sponsor
- Johns Hopkins University
Vitamin D
The Influence of Proton Pump Inhibitors (PPI's) on Blood Levels of 25-Hydroxyvitamin D.
The purpose of this study is to demonstrate if Proton Pump Inhibitors (PPI's) decrease blood levels of 25-Hydroxyvitamin D (25-OH Vitamin D).
- Trial name
- NCT01302704
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Mike O'Callaghan Military Hospital
Chronic Kidney Disease, Vitamin D Deficiency
Effect of Vitamin D Supplementation on Coronary Calcification and Parathyroid Hormone in CKD Patients
The investigators hypothesize that the chronic kidney disease patients who suffer from vitamin D deficiency will be benefit from given Vitamin D2 because coronary artery calcification and hyperparathyroidism will be improved.
- Trial name
- EVIDENCE (NCT01672047)
- Testing
- Vitamin D2
- Where
- China
- Volunteers
- 350 people
- Sponsor
- Peking University People's Hospital
Benign Paroxysmal Positional Vertigo (BPPV)
Association Between Benign Paroxysmal Positional Vertigo and Vitamin D Deficiency .
Association between Benign Paroxysmal Positional Vertigo and Vitamin D deficiency
- Trial name
- NCT07491965
- Testing
- Vitamin D
- Where
- Egypt
- Volunteers
- 160 people
- Sponsor
- Sohag University
Stem Cell Transplantation
Investigating Cytokine Genes of Stem Cell Donors
This study seeks to investigate the factors that may account for the differences in the way a stem cell recipient s immune system works after a transplant.
- Trial name
- NCT00353821
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Pregnancy
Vitamin D Dynamics in Women
The goal of this project is to utilize stable isotopically labeled vitamin D3 and state of the art mass spectrometric methodology to assess vitamin D dynamics during pregnancy in relation to relation to obesity and vitamin D…
- Trial name
- NCT02705287
- Testing
- Vitamin D dynamics-pregnant, Vitamin D dynamics-nonpregnant
- Where
- United States
- Volunteers
- 160 people
- Sponsor
- Cornell University
COVID-19, Coronavirus Infection
A Study of Hydroxychloroquine, Vitamin C, Vitamin D, and Zinc for the Prevention of COVID-19 Infection
This is a Phase II interventional study testing whether treatment with hydroxychloroquine, Vitamin C, Vitamin D, and Zinc can prevent symptoms of COVID-19
- Conditions
- COVID-19, Coronavirus Infection, Sars-CoV2, Corona Virus Infection
- Trial name
- HELPCOVID-19 (NCT04335084)
- Testing
- Hydroxychloroquine, Vitamin C, Vitamin D
- Where
- United States
- Volunteers
- 254 people, healthy volunteers welcome
- Sponsor
- ProgenaBiome
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