Drug or intervention
Vitamin D3 Clinical Trials
Studies that test Vitamin D3, alone, with other treatments or as the comparison.
In numbers
Open to volunteers: recruiting, not yet recruiting or enrolling by invitation. Active adds studies under way that have stopped recruiting.
Open to volunteers
All 282Lipid Metabolism Disorders
Plasma Lipids-Dependent Vitamin E Metabolism During Dynamic Hyperlipidemia
Background: Obesity is known to lead to diseases such as diabetes and high cholesterol (or fats) in the blood (hyperlipidemia). But no one knows why.
- Trial name
- NCT07715890
- Testing
- High fat liquid shake
- Where
- United States
- Volunteers
- 48 people
- Sponsor
- National Heart, Lung, and Blood Institute (NHLBI)
Primary Osteoporosis
Quanduzhong Capsules for Primary Osteoporosis
The goal of this clinical trial is to learn if Quan Duzhong Capsules work to treat primary osteoporosis in adults. It will also learn about the safety of Quan Duzhong Capsules.
- Trial name
- QZDC-PO (NCT07895082)
- Testing
- Quan Duzhong Capsules
- Where
- China
- Volunteers
- 300 people
- Sponsor
- Shanghai University of Traditional Chinese Medicine
Iron Deficiency Anemia
Effect of Vitamin D Supplementation Added to Iron Therapy in Children With Iron Deficiency Anemia
This randomized controlled trial will evaluate the effect of two vitamin D3 supplementation regimens, administered in addition to oral iron therapy, on hematological and iron status in children aged 6-60 months with confirmed…
- Trial name
- NCT07892170
- Testing
- Elemental iron, Vitamin D3 2000 IU/day, Vitamin D3 400 IU/day
- Where
- Iraq
- Volunteers
- 120 people
- Sponsor
- AlFayhaa General Hospital
Virus Diseases in Children
A Study to Investigate the Effect of Probiotics (Limosilactobacillus Reuteri DSM 17938 and Limosilactobacillus Reuteri DSM 33633) on Symptoms of Viral Upper Respiratory Tract Infections in Children
This study investigates the effect of Limosilactobacillus reuteri probiotic strains (DSM 17938 and DSM 33633) on symptoms of viral upper-respiratory tract infections in children.
- Trial name
- NCT07870824
- Testing
- Probiotics (L. reuteri DSM 17938 and L. reuteri DSM 33633)
- Where
- Hungary
- Volunteers
- 194 people
- Sponsor
- Milosevits Gergely
Chronic Kidney Disease (CKD), Secondary Hyperparathyroidism
A Study of PLS240 in Pediatric Participants With Secondary Hyperparathyroidism and Chronic Kidney Disease on Hemodialysis
Approximately 56 participants who are 1 month old to 17 years old will be enrolled in this study. The total duration for this study will be 38 weeks (or up to 42 weeks when participants require a washout period due to prior…
- Trial name
- NCT07890584
- Testing
- PLS240, Standard of Care
- Where
- United States
- Volunteers
- 56 people
- Sponsor
- Pathalys Pharma
Psoriasis
Anti Inflammatory Diet With Physical Therapy on Psoriasis
Purpose and Hypotheses The purpose of this study is to find out if changing the diet and adding exercise can help children with psoriasis.
- Trial name
- NCT07736651
- Testing
- Anti-Inflammatory Diet (Gluten-Free, Low-Histamine), Physical Therapy Program, Standard Dermatologic Care
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Mahmoud Usama Mahmoud Ahmed
Hypovitaminosis D
The Effectiveness of a Weight-dependent Algorithm for Dosing Vitamin D.
Vitamin D is essential for calcium absorption and bone growth, brain development, and immune system function. Vitamin D is produced by the body in response to natural sunlight.
- Trial name
- NCT07876843
- Testing
- Vitamin D3, Calcium, and Vitamin C
- Where
- United States
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Atlantic Health System
Upper GI Cancer
Immunonutrition for Surgical Prehabilitation of Patients With Upper GI Cancer
Perioperative immunonutrition has been proposed as a strategy to modulate the inflammatory response and improve outcomes after upper GI surgery.
- Trial name
- IMNUTPREH-UGIC (NCT07884214)
- Testing
- Oral nutritional supplements with immunonutrition (enriched with arginine, nucleotides, vitamin D and omega-3-fatty acid), Standart of care
- Where
- Spain
- Volunteers
- 110 people
- Sponsor
- Fundacion para la Investigacion Biomedica del Hospital Universitario Ramon y Cajal
Dental Implant
Effect of Vitamin D3 Supplementation on Serum Sphingosine-1-Phosphate Levels and Dental Implant Osseointegration: A Prospective Study
This study aims to evaluate whether vitamin D3 supplementation can promote dental implant osseointegration by increasing serum sphingosine-1-phosphate (S1P) levels.
- Trial name
- NCT07883811
- Testing
- Vitamin D3 ( Colecalciferol)
- Volunteers
- 60 people
- Sponsor
- Air Force Military Medical University, China
Depression and Anxiety Symptoms, Multiple Sclerosis
An Online Tailored Cognitive Therapy-Based Intervention for Depression in Multiple Sclerosis: ACTION-MS Online
Individuals with MS experience significantly high levels of depression which are higher than in any other chronic illness or neurological disorder. Depression can occur at any point in the course of the disease.
- Trial name
- ACTION-MS onli (NCT07875309)
- Testing
- ACTION-MS website - an 8-week cognitive behavioural therapy intervention for depression., The 'Health and Wellbeing in MS' website
- Where
- 2 sites in Australia, Canada
- Volunteers
- 240 people
- Sponsor
- University of Melbourne
Completed, with results posted
All 400Kidney Stones, Nephrolithiasis
Empiric Versus Selective Prevention Strategies for Kidney Stone Disease
The aims of this study are to 1) Conduct a randomized clinical trial of selective versus empiric diet plus pharmacologic therapy in high-risk stone formers and 2) Determine adverse effects from, and adherence to selective and…
- Trial name
- NCT05365477
- Testing
- Empiric Therapy: Diet, Empiric Therapy: Drug, Selective Therapy: Diet
- Where
- United States
- Volunteers
- 56 people
- Sponsor
- Vanderbilt University Medical Center
Alzheimer Disease
Therapeutic Diets in Alzheimer's Disease
By doing this study, researchers hope to learn how the ketogenic and Therapeutic Lifestyles Changes diets affect cognition in patients with Alzheimer's disease.
- Trial name
- TDAD (NCT03860792)
- Testing
- Ketogenic Diet, Therapeutic Lifestyles Changes Diet
- Where
- United States
- Volunteers
- 84 people
- Sponsor
- University of Kansas Medical Center
Male Osteoporosis
Novel Combination Therapy for Osteoporosis in Men
Osteoporotic fractures are a key health problem in older men. Although there are drugs approved to treat osteoporosis in men [bisphosphonates, denosumab, and teriparatide (TPTD) or PTH(1-34)], there is a lack of knowledge on how…
- Trial name
- Osteo-Men (NCT03994172)
- Testing
- Teriparatide or human parathyroid hormone (PTH) 1-34, Cinacalcet, Calcium citrate tablet
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- VA Office of Research and Development
Chemotherapy-Induced Alopecia
Compound 31543 (Calcitriol, USP) in Patients Receiving Taxane-based Chemotherapy Regimens for the Treatment of Chemotherapy-Induced Alopecia
The goal of this clinical trial is to learn if Compound 31543 (topical calcitriol) for treatment of hair-loss in patients with a diagnosis of breast cancer, gynecologic cancer or sarcomas receiving a taxane-based chemotherapy is…
- Trial name
- NCT01588522
- Testing
- Compound 31543 Calcitriol 5 μg/mL, Compound 31543 Calcitriol 10 μg/mL, Compound 31543 Calcitriol 20 μg/mL
- Where
- 2 sites in United States
- Volunteers
- 28 people
- Sponsor
- BPGbio
SARS-CoV-2 Infection
Low vs. Moderate to High Dose Vitamin D for Prevention of COVID-19
The purpose of this study is to compare the risks of COVID-19 in individuals from Chicagoland communities randomized to low (400 IU/day) vs. moderate (4,000 IU/day) or high (10,000 IU/day) dose vitamin D.
- Trial name
- NCT04868903
- Testing
- Vitamin D3
- Where
- 2 sites in United States
- Volunteers
- 1,475 people, healthy volunteers welcome
- Sponsor
- University of Chicago