NCT06642428
Effect of Vitamin D Supplementation on the Efficacy and Adverse Effects of Neoadjuvant Therapy in Patients With Breast Cancer No drug interventions treatment Not Available not_yet_recruiting NCT06642441
Effect of Vitamin D Supplementation on Chemotherapy Side Effects After Adjuvant Chemotherapy for Breast Cancer No drug interventions treatment Not Available not_yet_recruiting NCT04851990
Assessment of the Safety & Tolerability of Long-term Use of Patented Transdermal Patches in Healthy Adults. No drug interventions treatment Not Available completed NCT02904421
6 Years Study on Changes in Bone Quality, Bone Turnover and Curve Severity in AIS With and Without Calcium and Vit-D Supplementation No drug interventions Not Available Not Available completed NCT04070833
Effects of Vitamin D and Omega-3 on Cerebrovascular Disease prevention Not Available completed NCT06101147
Effect of Vitamin D Supplementation on Testosterone Level in Women With Polycystic Ovary Syndrome treatment 2 completed NCT01275885
Vitamin D Intervention in Infants - Pilot No drug interventions prevention 4 completed NCT05758259
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 treatment 4 enrolling_by_invitation NCT04404842
Development of a Screening Tool for the Risk of Vitamin D Deficiency No drug interventions Not Available Not Available unknown_status NCT03623763
Vitamin D Level Among Athletes in Uzbekistan No drug interventions Not Available Not Available suspended NCT05209425
Pharmacokinetics Evaluation of Vitamin D Formulations No drug interventions treatment Not Available completed NCT00710957
Vitamin D and Physical Function in Older Adults No drug interventions Not Available Not Available completed NCT04844957
Correlation Between Vitamin D and Symptoms Severity of Autonomic Nervous Mediated Syncope Child and it 's RAAS treatment 0 unknown_status NCT05208827
Vitamin D Supplementation for the Prevention of GDM prevention 0 recruiting NCT05214027
The Effect of an Acute Bout of Exercise on Serum Vitamin D Concentration No drug interventions Not Available Not Available completed NCT05186194
The Effect of Vitamin D and Calcium Supplementation on the Prevention of Stress Fractures. prevention Not Available unknown_status NCT04535791
Efficacy of Vitamin D Supplementation to Prevent the Risk of Acquiring COVID-19 in Healthcare Workers treatment 3 completed NCT04502667
Efficacy of Vitamin D Treatment in Pediatric Patients Hospitalized by COVID-19 treatment 3 completed NCT03345004
Diamyd Administered Into Lymph Nodes in Combination With Vitamin D in Type 1 Diabetes treatment 2 completed NCT01302704
The Influence of Proton Pump Inhibitors (PPI's) on Blood Levels of 25-Hydroxyvitamin D. No drug interventions Not Available Not Available withdrawn NCT01170572
Longitudinal Study of Patients Following Long Bone Fracture No drug interventions Not Available Not Available completed NCT03073369
Effect of Ergocalciferol on Iron Metabolism in Individuals With Chronic Kidney Disease treatment 4 withdrawn NCT03533010
Preventing Curve Progression and the Need for Bracing in Adolescent Idiopathic Scoliosis With Calcium + Vitamin D Supplementation No drug interventions treatment Not Available recruiting NCT01080950
Vitamin D Zinc Fever No drug interventions Not Available Not Available unknown_status NCT05313477
The Effects of Vitamin D and Calcium Supplementation to Parathyroid Hormone in CHB Patients Treated With TDF treatment 4 completed NCT01042561
Vitamin D Status and Dose Response in Infants No drug interventions diagnostic Not Available completed NCT00938600
Antenatal Vitamin D3 Dose-finding and Safety Study No drug interventions prevention 1 completed NCT05398770
Randomized Clinical Trial (RCT) on the Effect of Vitamin D Supplement Prior to Non-surgical Periodontal Therapy: a Feasibility Trial No drug interventions supportive_care Not Available not_yet_recruiting NCT05748249
Evaluation of the Efficacy of Vertistop® D and Vertistop® L in the Prevention of BPPV Recurrence No drug interventions prevention 1 completed NCT01992263
Vitamin D Supplementation and TB No drug interventions other Not Available unknown_status NCT05023122
The Effect of Oral Vitamin D Supplements on Fusion Outcome in Patients Receiving Elective Lumbar Spinal Fusion No drug interventions treatment Not Available completed NCT04564625
Relationships Between Vitamin D and Orthopedic Trauma No drug interventions Not Available Not Available active_not_recruiting NCT00033826
Role of Fat Tissue in Vitamin D Metabolism No drug interventions Not Available Not Available completed NCT05448365
Vitamin D, Epigallocatechin Gallate, D-chiro-inositol and Vitamin B6 in Uterine Fibroid No drug interventions treatment 3 recruiting NCT02361827
The Effect of Vitamin D on in Vitro Fertilization Outcome No drug interventions Not Available Not Available completed NCT02092701
Effects of Cholecalciferol Supplementation on Bone Health and Muscle Strength in Adults During Post-burn Period supportive_care Not Available completed NCT01832623
Vitamin D, Bones, Nutritional and Cardiovascular Status No drug interventions health_services_research Not Available completed