Clinical trials: Cholecalciferol
Vitamin D Deficiency, Type2 Diabetes
Effect of Vitamin D Supplementation on Inflammatory Markers
Previous studies have shown that improving vitamin D status among the elderly may lead to an improvement in some inflammatory markers, especially with patients with type 2 diabetes.
- Trial name
- NCT03782805
- Testing
- cholecalciferol (Euro-Pharm International, Canada)
- Where
- Lebanon
- Volunteers
- 88 people
- Sponsor
- Université d'Auvergne
Schizophrenia, Metabolic Syndrome
The Influence of Vitamin D on Atypical Antipsychotic-induced Weight Gain
Schizophrenia and bipolar disorders are major public health problems. The second generation anti-psychotic drugs have efficacy for both positive and negative symptoms and a favorable risk profile as far as movement disorders.
- Conditions
- Schizophrenia, Metabolic Syndrome, Vitamin D Deficiency
- Trial name
- NCT02281162
- Testing
- Blood Draw
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Creighton University
Allergic Rhinitis, Allergic Rhinitis (AR)
Effect of Combined Probiotics and Vitamin D on Symptoms of Allergic Rhinitis
The goal of this clinical trial is to learn if taking probiotics, vitamin D, or both together can help lower symptoms of allergic rhinitis (AR) and improve quality of life in adults.
- Trial name
- NCT07115342
- Testing
- Standard Allergic Rhinitis Treatment, Combined Vitamin D and Probiotics Supplementation
- Where
- Egypt
- Volunteers
- 120 people
- Sponsor
- Tanta University
Preterm Birth, Preterm Labor
Correlation Between Maternal Vitamin D Level And Preterm Birth
Assessment of correlation between vitamin D level and prevalence of preterm births remains limited. The exact role of vitamin D in preterm birth has not yet been clearly defined ,where some studies showed vitamin D deficiency…
- Conditions
- Preterm Birth, Preterm Labor, Vitamin D Deficiency
- Trial name
- NCT03638037
- Testing
- Vitamin D measurement
- Where
- Egypt
- Volunteers
- 138 people
- Sponsor
- Ain Shams Maternity Hospital
Type 1 Diabetes
Effects of Vitamin D Supplementation in Subjects With New Onset of Type 1 Diabetes
In this placebo controlled study the investigators aim to investigate the effects of vitamin D supplementation in subjects with new onset of type 1 diabetes on immunological, endocrine and metabolic parameters.
- Trial name
- NCT01390480
- Testing
- Cholecalciferol
- Where
- Austria
- Volunteers
- 31 people
- Sponsor
- Medical University of Graz
Secondary Hyperparathyroidism, End Stage Renal Disease
A Study to Follow-up Patients With End Stage Renal Disease Undergoing Hemodialysis, Receiving Selective Vitamin D Receptor Activator's for Prevention and Treatment of Secondary Hyperparathyroidism
The aim of this post-marketing observational study is to obtain further data on the long term use, safety and efficacy of selective Vitamin D Receptor Activator's as it is prescribed in the normal clinical setting and according…
- Trial name
- NCT01149291
- Where
- 22 sites in Turkey (Türkiye)
- Volunteers
- 511 people
- Sponsor
- AbbVie (prior sponsor, Abbott)
Glomerular Disease
Vitamin D Supplementation in Glomerular Disease
This multi-site, pilot study will assess vitamin D supplementation in children and young adults with Glomerular Disease. .
- Trial name
- NCT01835639
- Testing
- Cholecalciferol, 2000 or 4000 IUs by mouth daily for 12 weeks
- Where
- 5 sites in United States
- Volunteers
- 32 people
- Sponsor
- Children's Hospital of Philadelphia
Osteoporosis
Development of Non-invasive Method for Quantifying Vitamin D Levels in the Body Using Spectroscopy
Lack in vitamin D reduces the absorption of calcium in the body, accelerates bone loss and may increase the risk of fractures due to osteoporosis.
- Trial name
- NCT01770262
- Where
- Israel
- Volunteers
- healthy volunteers welcome
- Sponsor
- Hadassah Medical Organization
Hepatocellular Carcinoma, Liver Function
Effects of Vitamin D Status and Multiple Mega-dose Supplementation on Health Care Disparities in Perioperative Patients With Hepatocellular Carcinoma Receiving Hepatectomy
High concentrations of parathyroid hormone (PTH) are common in patients with hepatocellular carcinoma (HCC). This study is aimed to investigate effects of vitamin D status and its multiple mega-dosage supplementation on PTH and…
- Conditions
- Hepatocellular Carcinoma, Liver Function, Postoperative Complications
- Trial name
- NCT05887505
- Testing
- Vitamin D
- Volunteers
- 120 people
- Sponsor
- Taoyuan General Hospital
Alopecia Areata
Combined Microneedling With Either 1% Lactic Acid Solution or Vitamin D3 or Triamcinolone Acetonide in The Treatment of Alopecia Areata
Alopecia areata (AA) is an immunologically mediated disease characterized by non-scarring hair loss (Madni and Shapiro, 2000). AA is presented by rapid and complete hair loss in one or more round or oval patches, usually on the…
- Trial name
- NCT06327581
- Testing
- Lactic Acid, vit D, Triamcinolone Acetonide
- Where
- Egypt
- Volunteers
- 88 people
- Sponsor
- Zagazig University
Vitamin D Status
The Impact of Vitamin D Status on in Vitro Fertilization (IVF) Outcomes
Infertility is a common and psychologically devastating problem for 20% of Canadian couples. Approximately, 20% of infertile couples are diagnosed with unexplained infertility and left without an explanation for their inability…
- Trial name
- NCT01348594
- Where
- Canada
- Volunteers
- 182 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Osteogenesis Imperfecta
Effect of High-Dose Vitamin D on Bone Density in Osteogenesis Imperfecta
Overall Objective: To test the hypothesis that oral vitamin D supplementation at higher than currently prescribed doses has a beneficial effect on the skeleton of young patients with osteogenesis imperfecta (OI).
- Trial name
- NCT01713231
- Testing
- standard-dose vitamin D (400IU per day), high-dose vitamin D (2000 IU per day)
- Where
- Canada
- Volunteers
- 60 people
- Sponsor
- Louis-Nicolas Veilleux Ph.D.
Autism
A Study Evaluating the Effect of Vitamin D on Clinical Outcome in Autistic Children
The purpose of this study to determine whether high dose vitamin D has positive effect on behavior of autistic children.
- Trial name
- NCT02550912
- Testing
- Vitamin D3
- Where
- Egypt
- Volunteers
- 42 people
- Sponsor
- Ain Shams University
Stroke
Vitamin D and Stroke
Stroke remains one of the most devastating neurological diseases, often causing death, or gross physical impairment. It is the second most common cause of death worldwide and a major cause of acquired disability in adults.Vitamin…
- Trial name
- NCT02916030
- Testing
- Vit D
- Where
- Egypt
- Volunteers
- 50 people
- Sponsor
- Assiut University
Dyslipidemias, Single Nucleotide Polymorphism
VDR SNPs & 25OHD Correlated With Dyslipidemia
The project was aimed to explore the associations of single nucleotide polymorphisms (SNPs) of vitamin D receptor gene with specific circulating lipids in adult Chinese.
- Trial name
- NCT04707612
- Testing
- No intervention.
- Where
- China
- Volunteers
- 1,987 people, healthy volunteers welcome
- Sponsor
- Shenzhen Center for Chronic Disease Control
Osteoporosis
Zometa Study in Pediatric Acute Lymphoblastic Leukemia
Acute Lymphoblastic Leukemia (ALL) is the most common malignancy in children. It accounts for one fourth of all childhood cancers \& 74 % of childhood leukemia.
- Trial name
- NCT01656512
- Testing
- zolendronic acid, calcium & vitamin D
- Where
- Egypt
- Volunteers
- 95 people
- Sponsor
- Children's Cancer Hospital Egypt 57357
Vitamin D Status
The Vitamin D Dose-Response Relationship
The purpose of the study is to determine the importance of the UV intensity and the UVB dose on the Vitamin D response after UVB.
- Trial name
- NCT01074541
- Testing
- UVB
- Where
- Denmark
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Bispebjerg Hospital
Dyslipidemias
Effect of Vitamin D Supplementation on Exercise Adaptations in Patients on Statin Therapy
Statins along with lifestyle modifications including exercise are commonly prescribed to patients with type 2 diabetes. American diabetes association recommends using moderate-intensity statin and lifestyle therapy for patients…
- Trial name
- NCT02030041
- Testing
- Vitamin D, Simvastatin
- Where
- India
- Volunteers
- 33 people
- Sponsor
- Post Graduate Institute of Medical Education and Research, Chandigarh
Sarcoidosis, Vitamin D Insufficiency
Vitamin D Homeostasis in Sarcoidosis
This study evaluates the relationship between vitamin-D status and severity of sarcoidosis, and the effects of vitamin-D repletion in vitamin-D insufficient patients with sarcoidosis.
- Trial name
- NCT03621553
- Testing
- Ergocalciferol, Calcium Citrate with Vitamin D2
- Where
- United States
- Volunteers
- 90 people
- Sponsor
- University of Texas Southwestern Medical Center
Cardiometabolic Risk Factors
Effect of Vitamin D on Cardiovascular Metabolic Risk in Overweight/Obesity Adolescents in China
The goal of this randomized controlled clinical trial is to investigate the effects of vitamin D3 supplementation on cardiometabolic risk in Chinese adolescents with overweight/obesity and vitamin D deficiency.
- Trial name
- NCT07053657
- Testing
- Dietary Supplement: Vitamin D3
- Where
- 2 sites in China
- Volunteers
- 130 people
- Sponsor
- Anhui Medical University
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