Clinical trials: Vitamin D3
Major Depression, Vitamin D Deficiency
Effects of Vitamin D Supplementation on Depression and Inflammatory Markers
The current study is designed as a prospective partially randomized patient preference (PRPP) trial and recruit psychiatric outpatients or inpatients.
- Trial name
- NCT04898725
- Testing
- Vitamin D3
- Where
- Taiwan
- Volunteers
- 142 people
- Sponsor
- Mackay Memorial Hospital
Benign Paroxysmal Positional Vertigo
Serum Levels of Otolin-1 and Vitamin D in Pre- and Post-treatments of BPPV
BPPV is the most common cause of vertigo. The pathophysiology of BPPV has not been cleared, several studies show that symptoms are caused by the displacement of otoconia from the macula of the utricle into the semicircular…
- Trial name
- NCT05446506
- Where
- Thailand
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Chiang Mai University
Osteoporosis
Evaluating the Pharmacokinetic Characteristics of AD-102 in Healthy Volunteers
The purpose of this study is to evaluate the pharmacokinetic characteristics of AD-102 in healthy male subjects
- Trial name
- NCT03824171
- Testing
- Raloxifene 60mg/Cholecalciferol 800IU, AD-102
- Where
- South Korea
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Addpharma Inc.
Osteopenia, Osteoporosis
Calcium-Rich Food Versus Calcium Carbonate for Bone Health
This study will compare adherence, tolerability, safety, and treatment satisfaction between a calcium-rich food and a traditional calcium carbonate supplement in women ages 40 to 90 who are at increased risk for osteoporosis.
- Conditions
- Osteopenia, Osteoporosis, Bone Health in Perimenopausal Women, Menopause Related Conditions
- Trial name
- NCT07763509
- Testing
- 500 mg calcium from milk-derived minerals, Calcium Carbonate 500 MG
- Where
- United States
- Volunteers
- 217 people, healthy volunteers welcome
- Sponsor
- Cornell University
Type 2 Diabetes
the Effect of Vitamin D on the Serum Thioredoxin, TBP-2, Thioredoxin Reductase, Gene Expression of TBP-2 in Patients With Type II Diabetes
The aim of this study is the comparision between the effects of vitamin D or placebo supplementation for 2 months in serum level of thioredoxin, TBP-2 and thioredoxin reductase activity in patients with type 2 diabetes
- Trial name
- NCT01876563
- Testing
- vitamin D
- Where
- 2 sites in Iran
- Volunteers
- 30 people
- Sponsor
- Tehran University of Medical Sciences
Vitamin D Deficiency, Sarcopenia
Impact of Vitamin D on 25-hydroxyvitamin D Levels and Physical Function
This one-year study will test the hypothesis that supplementation with vitamin D will improve lower extremity muscle performance in older men and women with vitamin D insufficiency.
- Trial name
- NCT02293187
- Testing
- vitamin D3
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Tufts University
Upper Respiratory Tract Infections, Lower Respiratory Tract Infections
Maternal Vitamin D for Acute Respiratory Infections in Infancy
There is a growing body of data suggesting that vitamin D modulates the host's immune response to acute respiratory infection (ARI).
- Trial name
- MDARI (NCT02388516)
- Testing
- Vitamin D3
- Where
- Bangladesh
- Volunteers
- 1,214 people, healthy volunteers welcome
- Sponsor
- The Hospital for Sick Children
Vitamin D Deficiency, Tuberculosis
Role of Vitamin D in Innate Immunity to Tuberculosis
The investigators proposed a pilot study preparatory to developing a randomized trial of vitamin D for the prevention of TB infection. The specific aims are presented below: 1.
- Trial name
- NCT01244204
- Testing
- Vitamin D
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Harvard School of Public Health (HSPH)
Osteoporosis, Postmenopausal, Exercise Therapy
Effects of Whole-Body Vibration and High Impact Exercises in Postmenopausal Women
We investigated the effects of whole body vibration (WBV) and high-impact (HI) exercises in postmenopausal women with low bone mineral density.
- Trial name
- NCT03910348
- Testing
- Whole-body vibration exercise, High-impact exercise
- Volunteers
- 58 people
- Sponsor
- Istanbul University
Uterine Fibroids (Leiomyoma)
FATIMA Trial: EGCG and Vitamin D3 for Prevention of Fibroid Recurrence
The aim of this randomized controlled clinical trial is to evaluate the efficacy of green tea (EGCG) and vitamin D3 supplementation in preventing uterine fibroid recurrence following fibroid removal.
- Trial name
- FATIMA (NCT07647198)
- Testing
- Vitamin D and Green Tea
- Where
- United Arab Emirates
- Volunteers
- 240 people
- Sponsor
- Sheikh Shakhbout Medical City
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
Hypoparathyroidism
Palopegteriparatide in Chronic Hypoparathyroidism
This is a multicenter, prospective cohort study conducted across 9 tertiary and university hospitals in the rural area of Athens, which investigates the clinical and biochemical effects of palopegteriparatide (TransCon PTH) in…
- Trial name
- PaTHreal (NCT07299838)
- Where
- Greece
- Volunteers
- 90 people
- Sponsor
- National and Kapodistrian University of Athens
Allergic Rhinitis Due to Grass Pollen
Intralymphatic Immunotherapy Enhanced by Vitamin-D, a Randomized Placebo-controlled Trial and Comparison With SLIT
A national, multicenter, randmised double blind study with parallell arms. 360 patients with grass induced allergic rhinitis will be open randomised 1:2 to 3 years Grazax sublingual immunotherapy or 3 intralymphatic injections…
- Trial name
- ILIT vs SLIT (NCT06061848)
- Testing
- SLIT Grazax ALK Nordic 75 000 SQ-T, ILIT + Vitamin D
- Where
- 3 sites in Sweden
- Volunteers
- 360 people
- Sponsor
- Lars Olaf Cardell
Serum, Vitamin D
Relationship Between Serum Vitamin D and Atherosclerosis in Hemodialysis Patients
The study aimed to check if there is a link between good vitamin D levels in the blood and subclinical atherosclerosis in people on hemodialysis.
- Conditions
- Serum, Vitamin D, Atherosclerosis, Hemodialysis
- Trial name
- NCT07200804
- Testing
- Measurement of Serum Vitamin D Level, Measurement of Carotid Intima-Media Thickness
- Where
- Egypt
- Volunteers
- 90 people
- Sponsor
- Ain Shams University
Muscle Fatigue, Muscle Strength
Short Term Omega-3 Supplementation on Performance
Nerves are the rate limiting factor that control muscle function. However, it is unknown if a nutritional supplement can change the nerve-muscle interaction, and therefore alter human performance.
- Trial name
- NCT02014233
- Testing
- Omega-3, Olive oil
- Where
- Canada
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Adiposity
Vitamin D and Omega-3 Adiposity Trial (VITAL Adiposity)
The VITamin D and OmegA-3 TriaL (VITAL; NCT 01169259) is a randomized clinical trial in 20,000 U.S. men and women investigating whether taking daily dietary supplements of vitamin D3 (2000 IU) or omega-3 fatty acids (1 gram of…
- Trial name
- VITAL (NCT01785004)
- Testing
- Vitamin D3 (cholecalciferol), 2000 IU per day, omega-3 fatty acids (fish oil)
- Where
- United States
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Sarcopenic Obesity, Sarcopenia
Lifestyle Modifications for the Treatment of Sarcopenic Obesity
This study evaluates the addition of a high-protein energy-restricted diet to exercise in the treatment of sarcopenic obesity in people aged 65 and over.
- Conditions
- Sarcopenic Obesity, Sarcopenia, Obesity
- Trial name
- NCT02379026
- Testing
- Protein Drink/Diet, Exercise, Vitamin D3
- Where
- United Kingdom
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Queen Margaret University
Osteoporosis
Osteoporosis and Dental Implant
The purpose of this study is to evaluate the influence of alendronate therapy on the wound healing after dental implants in patients with osteoporosis.
- Trial name
- OPOZAHN (NCT00727493)
- Testing
- alendronate once weekly 70mg
- Where
- Germany
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Charite University, Berlin, Germany
Hyperlipidemia
A Pilot Study on the Effect of Vitamin D Treatment in Patients With Statin-Associated Myalgia
The purpose of this study is to measure the effect vitamin D has in alleviating muscle pain or aches that may be caused by taking certain medications for treating high cholesterol.
- Trial name
- NCT01274104
- Testing
- Vitamin D3
- Where
- United States
- Sponsor
- Avera McKennan Hospital & University Health Center
Ergocalciferol
Pilot Study: The Effect of Ergocalciferol on Plasma Mucin-1 Levels
To determine if a one-time oral administration of ergocalciferol results in a decline in plasma mucin-1 levels in healthy individuals and individuals with ADTKD-MUC1.
- Trial name
- NCT03747523
- Testing
- Ergocalciferol
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Wake Forest University Health Sciences