Vitamin D Clinical Trials

53 clinical trials for Vitamin D across international registries, including 8 currently recruiting participants. Compare status, phase, eligibility criteria and locations.

• Exercise Training and Vitamin D Metabolism — RECRUITING · NA
• Vitamin D, Epigallocatechin Gallate, D-chiro-inositol and Vitamin B6 in Uterine Fibroid — RECRUITING · NA
• Vitamin D for Preventing Recurrent Preeclampsia in Pregnant Women — RECRUITING · PHASE4
• Free Vitamin D and Steroid Metabolism in Endocrine Disorders — RECRUITING
• Assessing Bone Fracture Healing Effect of Almonds — RECRUITING · NA
• Efficacy and Safety of Vitamin D Supplementation in Pediatric Patients with Obesity — RECRUITING · NA
• Effect of Vitamin D Supplementation on the Efficacy and Adverse Effects of Neoadjuvant Therapy in Patients with Breast Cancer — RECRUITING · NA
• Effect of Vitamin D Supplementation on Chemotherapy Side Effects After Adjuvant Chemotherapy for Breast Cancer — RECRUITING · NA
• Does Vitamin C Increase the Body Heat Generated By The Nervous System? — ACTIVE_NOT_RECRUITING · NA
• Can Vitamin D Replacement Correct Chronic Disease Anemia? — COMPLETED · PHASE4
• The Effect of Vitamin D on in Vitro Fertilization Outcome — COMPLETED
• Relationships Between Vitamin D and Orthopedic Trauma — COMPLETED
• Pilates vs Aerobic Exercises on Vitamin D and Ionized Calcium in Postnatal — NOT_YET_RECRUITING · NA
• Non-inferiority RCT on Fish Waste-Derived vs. Synthetic Vitamin D Supplementation in Healthy Adults With Suboptimal Vitamin D Levels — NOT_YET_RECRUITING · NA
• Omega-3 Supplementation and Mental Health in College Students — COMPLETED · NA
• Bone Turnover Markers and Vitamin D Survey Among Health Professionals in Taiwan — COMPLETED
• Relationship Between Serum Vitamin D and Atherosclerosis in Hemodialysis Patients — COMPLETED
• Vitamin D, Bones, Nutritional and Cardiovascular Status — COMPLETED · NA
• Vitamin D In the Prevention of Viral-induced Asthma in Preschoolers — COMPLETED · PHASE3
• Clinical and Radiographic Evaluation of Topical Vitamin D on Immediate Dental Implants — COMPLETED · NA
• Association of Vitamin D Intake, and Associated Factors with Low Back Pain: a Retrospective Cohort Study — COMPLETED
• Vitamin D Supplementation Prior to Non-surgical Periodontal Therapy — COMPLETED · NA
• Vitamin D, Hashimato's Thyroiditis and Thyroid Functions — COMPLETED
• Preventing Curve Progression and the Need for Bracing in Adolescent Idiopathic Scoliosis With Calcium + Vitamin D Supplementation — COMPLETED · NA
• The Effects of Vitamin D and Calcium Supplementation to Parathyroid Hormone in CHB Patients Treated With TDF — COMPLETED · PHASE4
• Effect of Vitamin D Supplementation on Testosterone Level in Women With Polycystic Ovary Syndrome — COMPLETED · PHASE2
• Pharmacokinetics Evaluation of Vitamin D Formulations — COMPLETED · NA
• Vitamin D Status and Dose Response in Infants — COMPLETED · NA
• The Efficacy and Safety of Topical Vitamin D and Supplementation In Acne Vulgaris The Study of VDR, IL-1β, IL-6, IL-10 and IL-17 Expression — OTHER · PHASE4
• Vitamin D Level Among Athletes in Uzbekistan — SUSPENDED
• Evaluation of the Efficacy of Vertistop® D and Vertistop® L in the Prevention of BPPV Recurrence — COMPLETED · PHASE1
• Diamyd Administered Into Lymph Nodes in Combination With Vitamin D in Type 1 Diabetes — COMPLETED · PHASE2
• The Effect of an Acute Bout of Exercise on Serum Vitamin D Concentration — COMPLETED
• Effects of Vitamin D and Omega-3 on Cerebrovascular Disease — COMPLETED · NA
• Efficacy of Vitamin D Treatment in Pediatric Patients Hospitalized by COVID-19 — COMPLETED · PHASE3
• Correlation Between Vitamin D and Symptoms Severity of Autonomic Nervous Mediated Syncope Child and it 's RAAS — OTHER · PHASE1
• Vitamin D Supplementation for the Prevention of GDM — OTHER · PHASE1
• The Effect of Vitamin D and Calcium Supplementation on the Prevention of Stress Fractures. — OTHER · NA
• Efficacy of Vitamin D Supplementation to Prevent the Risk of Acquiring COVID-19 in Healthcare Workers — COMPLETED · PHASE3
• The Effect of Oral Vitamin D Supplements on Fusion Outcome in Patients Receiving Elective Lumbar Spinal Fusion — COMPLETED · NA
• Assessment of the Safety & Tolerability of Long-term Use of Patented Transdermal Patches in Healthy Adults. — COMPLETED · NA
• Vitamin D Supplementation and TB — OTHER · NA
• Development of a Screening Tool for the Risk of Vitamin D Deficiency — OTHER
• 6 Years Study on Changes in Bone Quality, Bone Turnover and Curve Severity in AIS With and Without Calcium and Vit-D Supplementation — COMPLETED
• Vitamin D and Physical Function in Older Adults — COMPLETED
• Effect of Ergocalciferol on Iron Metabolism in Individuals With Chronic Kidney Disease — WITHDRAWN · PHASE4
• Effects of Cholecalciferol Supplementation on Bone Health and Muscle Strength in Adults During Post-burn Period — COMPLETED · NA
• The Influence of Proton Pump Inhibitors (PPI's) on Blood Levels of 25-Hydroxyvitamin D. — WITHDRAWN
• Role of Fat Tissue in Vitamin D Metabolism — COMPLETED
• Longitudinal Study of Patients Following Long Bone Fracture — COMPLETED

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