Clinical trials: Vitamin D
Osteoporosis
Diagnosis of Decreased Bone Density by Dental Cone Beam Computed Tomography
The purpose of this study is to elucidate the role of Dental Cone Beam Computed Tomography (CBCT) in assessment of bone density.
- Trial name
- NCT02303340
- Testing
- Dual Energy X-ray Absorptiometry
- Where
- Israel
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Soroka University Medical Center
Menopause, Perimenopause
A Study to Examine the Effects of a Daily Supplement on Common Symptoms of Perimenopause and Menopause
Symptoms of perimenopause and menopause can significantly affect overall quality of life. It is hypothesized that daily supplements can reduce the severity of these symptoms.
- Trial name
- NCT06018740
- Testing
- Daily Balance Gummy
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Hologram Sciences
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
Vitamin D Deficiency
Immunologic Action of a Single Dose Cholecalciferol
Vitamin D receptors are expressed in activated different immune cells. It is not known, which immune cell type is targeted by exogenous vitamin D. Here, vitamin D-deficient individuals will receive once 100.000 I.U.
- Trial name
- ViDImmun (NCT01845142)
- Testing
- single administration of 100.000 I.U. vitamin D
- Where
- Germany
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Margitta Worm
Thyroid Diseases, Parathyroid Diseases
PaThERAS: ERAS Protocols in Thyroid & Parathyroid Surgery
Enhanced recovery after surgery (ERASP) are evidence-based perioperative protocols devised to expedite postoperative recovery and discharge, decrease surgical stress and costs.
- Conditions
- Thyroid Diseases, Parathyroid Diseases, ERAS
- Trial name
- PaThERAS (NCT06274970)
- Testing
- Enhanced recovery protocols, Conventional Protocols
- Where
- India
- Volunteers
- 96 people
- Sponsor
- Sanjay Gandhi Postgraduate Institute of Medical Sciences
Memory Disorders, Age-Related Cognitive Decline
Effect of Vitamin D on Cognitive Decline of Patients With Memory Complaint
As recommended allowance of oral vitamine D are unable to ensure the recommended serum concentration of vitamine D, the purpose of this study is to show that a dose of vitamin D3 higher than the recommended allowance may slow the…
- Trial name
- D-COG (NCT02185222)
- Testing
- Cholecalciferol 100 000 UI
- Where
- 11 sites in France
- Volunteers
- 68 people
- Sponsor
- University Hospital, Tours
Diabetes Mellitus, Type 2
Effects of Vitamin D3 and Yeast Beta-Glucan Supplementation on Glycemic Control and Cardiovascular Disease Risk in Patients With Type 2 Diabetes
This study is a randomized, double-blind, placebo-controlled trial involving 2,500 individuals aged 40-79 with type 2 diabetes (T2D).
- Trial name
- NCT06861062
- Testing
- Vitamin D3, yeast β-glucan
- Where
- 5 sites in China
- Volunteers
- 2,500 people
- Sponsor
- Huazhong University of Science and Technology
Pediatric Migraine, Migraine Disorders, Brain
Comorbidity-Based Propranolol Use in Pediatric Migraine
This observational retrospective cohort study aims to identify clinical and biochemical predictors of response to propranolol prophylaxis in pediatric migraine.
- Conditions
- Pediatric Migraine, Migraine Disorders, Brain, Vitamin D Deficiency
- Trial name
- NCT07103031
- Testing
- Behavioral therapy, Propranolol
- Where
- Turkey (Türkiye)
- Volunteers
- 488 people
- Sponsor
- Kayseri University
Vitamin d Deficiency, COVID-19
Risk in Devel Long-COVID in Contracting SARS-CoV-2 Infection After COVID-19 Vaccination in Relation to Vitamin D3 Suppl
The aim of this observational retrospective study is to evaluate the effect of supplementation with cholecalciferol D3 in reducing the risk of: occurence of Long COVID syndrome after acute COVID-19 illness occurence of SARS-CoV-2…
- Conditions
- Vitamin d Deficiency, COVID-19, Long COVID
- Trial name
- LONGVITAVAX2 (NCT06452082)
- Where
- Italy
- Volunteers
- 200 people
- Sponsor
- IRCCS San Raffaele
Chronic Lymphoid Leukemia
The Effect of 25-OH-Vitamin-D3 Substitution in Patients With Malignant and Immune-hematologic Diseases
Recent data have shown that the inadequate vitamin D status plays a role in the manifestation of the haematologic tumors and serum vitamin D level has a prognostic role also as it determines the tumor mortality.
- Trial name
- D-HEM (NCT01518959)
- Testing
- Cholecalciferol, oleum neutralicum
- Where
- Hungary
- Volunteers
- 31 people
- Sponsor
- Semmelweis University
Iron Deficiency Anemia of Pregnancy
Adiposity and Iron Requirements in Pregnancy
This study aims to explore how body fat influences the response to either 25 or 50 mg of daily iron supplements during pregnancy.
- Trial name
- ADIPREG (NCT06425796)
- Testing
- Adiposity and Iron Requirements in Pregnancy (ADIPREG)
- Where
- 3 sites in United Kingdom
- Volunteers
- 312 people, healthy volunteers welcome
- Sponsor
- University of Ulster
Covid19, Progression
Clearing the Fog: Is Hydroxychloroquine Effective in Reducing COVID-19 Progression
Brief Summary: Purpose of this study is to evaluate efficacy of hydroxychloroquine (HCQ) in reducing progression of Corona Virus Disease 2019 (COVID - 19) and achieving viral clearance.
- Trial name
- COVID-19 (NCT04491994)
- Testing
- HCQ
- Where
- Pakistan
- Volunteers
- 540 people
- Sponsor
- UNICEF
Body Composition, Obesity
Efficacy of Liquid Versus Powder Protein Supplementation to Optimize Protein Intake After Bariatric Surgery
The goal of this randomized control trial is to compare the effect of a liquid formula rich in nutrients and low in calories (supplement) with the progressive diet with conventional foods that we usually recommend in patients…
- Conditions
- Body Composition, Obesity, Protein Supplementation, Bariatric Surgery Candidate
- Trial name
- NCT06267677
- Testing
- High protein liquid formula
- Volunteers
- 50 people
- Sponsor
- Hospital Clinic of Barcelona
Hypogonadotropic Hypogonadism, Endothelial Dysfunction
Bone Mineral Markers in Hypogonadism
The aim of this study is to investigate the markers of bone mineral metabolism in an unconfounded group of patients with hypogonadism and to search for a relationship between endothelial dysfunction and insulin resistance.
- Conditions
- Hypogonadotropic Hypogonadism, Endothelial Dysfunction, Insulin Resistance
- Trial name
- NCT02062307
- Where
- Turkey (Türkiye)
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Gulhane School of Medicine
Knee Osteoarthritis
A Study of Alendronate Sodium Vitamin D3 Tablets on Knee Osteoarthritis
The purpose of this study is to evaluate the effect of alendronate sodium vitamin D3 tablets compared with placebo on the improvement of joint structure and joint pain in participants with knee osteoarthritis.
- Trial name
- NCT04739592
- Testing
- alendronate sodium vitamin D3 tablets
- Where
- 3 sites in China
- Volunteers
- 60 people
- Sponsor
- Peking Union Medical College Hospital
Hypoparathyroidism
A Phase 2 Trial Investigating the Safety, Tolerability and Efficacy of EXT608 in Adults With Hypoparathyroidism
The goal of this clinical trial is to investigate the safety, tolerability and efficacy of EXT608 in adults with hypoparathyroidism.
- Trial name
- NCT06988670
- Testing
- EXT608
- Where
- Argentina
- Volunteers
- 35 people
- Sponsor
- Extend Biosciences Inc.
Vitiligo, Vitiligo, Generalized
Oral Vitamin D Supplementation Combined With Phototherapy as a Treatment for Vitiligo
A randomized clinical trial that treats vitiligo patients with oral vitamin D and Narrow-Band Ultraviolet B (NB-UVB) phototherapy (intervention group); or placebo and NB-UVB phototherapy (control group).
- Conditions
- Vitiligo, Vitiligo, Generalized, Autoimmune, Autoimmune Diseases
- Trial name
- NCT04872257
- Testing
- Oral Vitamin D, NB-UVB Phototherapy
- Where
- Mexico
- Volunteers
- 26 people
- Sponsor
- Hospital Universitario Dr. Jose E. Gonzalez
Fibromyalgia, Primary, Fibromyalgic Sindrome
Fibromyalgia Different Approaches: Acupuncture vs Migratens
Fibromyalgia or Fibromyalgic Sindrome (FMS) is a chronic debilitating pain syndrome, characterized by widespread chronic musculoskeletal pain and generalized painful hypersensitivity, which may be associated with systemic…
- Trial name
- FrIDAy (NCT04098757)
- Testing
- Migratens
- Where
- Italy
- Volunteers
- 61 people
- Sponsor
- Vittorio Schweiger
Menstrual Cramps, Women's Health
A Study to Assess the Effect of My Happy Flo on Alleviating Period Symptoms and Heavy Flows.
This clinical study aims to evaluate the effectiveness of My Happy Flo, a dietary supplement, in alleviating period symptoms and heavy menstrual flows.
- Conditions
- Menstrual Cramps, Women's Health, Fatigue
- Trial name
- NCT06522672
- Testing
- My Happy Flo
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- My Happy Flo
Bone Status
Physical Activity, Dietary Intake and Bone Status in 6-12 Years Children
Peak bone mass acquisition through childhood and adolescence has been associated with lower risk of osteopenia and osteoporosis in the elderly.
- Trial name
- Nutri-Bone (NCT03695328)
- Testing
- physical activity level, Dietary Intake
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- Democritus University of Thrace