Vitamin D: all 520 studies that test it

Page 1 of 6. Open to participants first (50), then studies with results posted, then the rest; newest registration first within each.

• Effect of Systemic Vitamin D on Dental Implant OsseointegrationRecruitingNCT07684404Not applicable
• FATIMA Trial: EGCG and Vitamin D3 for Prevention of Fibroid RecurrenceRecruitingNCT07647198Phase 2
• Vitamin D in Diabetic NeuropathyNot yet recruitingNCT07644520Phase 2/3
• Effects of High-Dose Vitamin D on Hormones, Neuromuscular Function, Cognition, and Body Composition in AthletesRecruitingNCT07641075Not applicable
• New Treatment of Common WartNot yet recruitingNCT07543926Not applicable
• Vitamin D for Acute Intracerebral HemorrhageRecruitingNCT07458815Not applicable
• Vitamin D and Type 2 Diabetes - Treat-To-TargetRecruitingNCT07448974Phase 3
• Statin and Vitamin D Treatment in Patients With Thyroid Eye DiseaseRecruitingNCT07400757Not applicable
• Effect of Vitamin D and Branched-chain Amino Acids on Physical Performance and Biomarkers of Muscle Fatigue in RunnersNot yet recruitingNCT07334054Not applicable
• Effects of Vitamin D in Patients Undergoing Fixed Orthodontic MechanotherapyNot yet recruitingNCT07299552Not applicable
• Vonoprazan vs Proton Pump Inhibitor With Vitamin D or Probiotics Based Triple Therapy for Eradication of Helicobacter Pylori InfectionRecruitingNCT07293910Phase 2
• Vitamin D for Preventing Recurrent Preeclampsia in Pregnant WomenRecruitingNCT07288801Phase 4
• Vitamin D Effects on Immune Microenvironment of Nonmelanoma Skin Cancer After Photodynamic Therapy (PDT)RecruitingNCT07241585Not applicable
• Effect of Vitamin D3 Supplementation on Cardiac Autonomic Nerve Function in Male Epileptic Patients With Hypovitaminosis DRecruitingNCT07085598Not applicable
• Effect of Vitamin D3 Supplementation on Cardiac Autonomic Nerve Function in Male Parkinson's Disease Patients With Hypovitaminosis DRecruitingNCT07084597Not applicable
• Effect of Vitamin D Supplementation on the Rehabilitation of Patients After Rotator Cuff Tear RepairNot yet recruitingNCT06984068Not applicable
• The Effect of Vitamin D Supplement as Adjuvant Therapy in Eradication of Helicobacter Pylori InfectionNot yet recruitingNCT06964334Phase 3
• Impact of Vitamin D Supplements on Mental Health and Milk Composition in Mothers Living in IdahoRecruitingNCT06919718Not applicable
• Effects of Vitamin D Supplementation on Postoperative Rehabilitation in Hip and Knee Osteoarthritis PatientsNot yet recruitingNCT06747559Not applicable
• Regime for Vitamin D Maintenance in Post-Operative PatientsRecruitingNCT06708741Phase 3
• Vitamin D Supplementation in Breast Cancer PatientsNot yet recruitingNCT06596122Phase 2
• Effect of Vitamin D Supplementation on Mental Health: An Exploratory Study on A University Students Suffering From Vitamin D DeficiencyNot yet recruitingNCT06458686Phase 1/2
• Efficacy and Safety of Topical Vitamin D Analogue in Treatment of Female Pattern Hair LossRecruitingNCT06333600Phase 1/2
• Vitamin D With Omega-3 or Metformin in OsteoarthritisNot yet recruitingNCT06328426Not applicable
• Combined Microneedling With Either 1% Lactic Acid Solution or Vitamin D3 or Triamcinolone Acetonide in The Treatment of Alopecia AreataRecruitingNCT06327581Not applicable
• The Impact of Vitamin D Supplementation on Pregnant Women With the Risk of GDMNot yet recruitingNCT06139133Not applicable
• Cholecalciferol and Calcifediol Are Both Useful to Improve Vitamin D Serum LevelsRecruitingNCT06138249Not applicable
• Effect of Vitamin D Supplementation on Allostatic Load and Chronic Stress Along Line of Control in Azad Jammu KashmirNot yet recruitingNCT06101589Not applicable
• Use of Vitamin D as An Adjuvant Treatment in Children With Chronic Idiopathic Thrombocytopenic PurpuraNot yet recruitingNCT06073925Early Phase 1
• Estimation of the Dietary Requirement for Vitamin D in Ethnic GroupsRecruitingNCT06067477Not applicable
• Efficacy of Injectable Vitamin D Supplementation in Females With Polycystic Ovary SyndromeRecruitingNCT06045351Phase 1
• The Effectiveness of Vitamin D Supplementation in Patients With End-stage Knee OsteoarthritisRecruitingNCT05981534Not applicable
• Precision Medicine and Physical FunctionRecruitingNCT05877846Not applicable
• Clinical Trial of Vit D and Calcium for Recurrent BPPVNot yet recruitingNCT05863949Not applicable
• Vitamin D Supplementation in Episodic and Chronic Tension-type HeadacheRecruitingNCT05860062Not applicable
• Vit D and Peripheral Neuropathy in Taxane Naive PatientsNot yet recruitingNCT05852496Phase 2
• Vitamin D for Prostate Endocrine TherapyRecruitingNCT05838716Phase 3
• Effects of Vitamin D on the Behaviours, Mental, and Physical Health of PrisonersRecruitingNCT05724316Not applicable
• Beneficial Effects of Vitamin D Combined With Oral Iron Supplementation in Patients With Chronic Heart Failure and Iron DeficiencyNot yet recruitingNCT05702970Phase 4
• Effect of Vitamin D Therapy in Autism Spectrum DisorderRecruitingNCT05595044Phase 1
• Vitamin D for Critically Traumatic PatientsRecruitingNCT05449522Not applicable
• The Effects of Vitamin D Plus Omega-3 Polyunsaturated Fatty Acids in Patients With Episodic MigraineRecruitingNCT05449145Not applicable
• Vitamin D, Epigallocatechin Gallate, D-chiro-inositol and Vitamin B6 in Uterine FibroidRecruitingNCT05448365Not applicable
• Vitamin D in School ChildrenRecruitingNCT05018988Not applicable
• Maternal Stress on Human Milk and Infant OutcomesRecruitingNCT04821544Not applicable
• Total Post-thyroidectomy Hypocalcemia After Preoperative Cholecalciferol SupplementationRecruitingNCT04775381Phase 3
• Effect of Vitamin D on Ovulation Rate in Women With Polycystic Ovary SyndromeRecruitingNCT04650880Not applicable
• Evaluation of the Clinical and Psychological Impact of Vitamin D Replacement in Adolescent Females at Risk for Polycystic Ovarian Syndrome (PCOS)RecruitingNCT04355572Not applicable
• Vitamin D and Polycystic Ovarian Syndrome (PCOS)RecruitingNCT03989778Phase 2
• Efficacy of Oral Ibandronate in OsteoporosisRecruitingNCT03186131Phase 2
• Effect of Vitamin D as Adjuvant Therapy in Preterm Infants With Neonatal SepsisCompletedNCT07245277Phase 4Results posted
• A Comparative Study to Assess Efficacy of Intralesional MMR Vaccine and Intralesional Vitamin D3 in Treatment of WartsCompletedNCT04428359Not applicableResults posted
• Can Vitamin D Reduce Heart Muscle Damage After Bypass Surgery?CompletedNCT04323852Phase 4Results posted
• Injections of Glutamic Acid Decarboxylase (GAD) for LADA Type of DiabetesCompletedNCT04262479Phase 2Results posted
• Evaluating Vitamin D3 Supplement on Post-Op OutcomesCompletedNCT04177758Phase 4Results posted
• Effects of Vitamin D and Omega-3 on Cerebrovascular DiseaseCompletedNCT04070833Not applicableResults posted
• Effect of Vitamin D Supplementation on Balance in CKDTerminatedNCT03710161Phase 4Results posted
• The Effect of Vitamin D and Exercise on Balance in Postmenopausal WomenCompletedNCT03608488Not applicableResults posted
• Metformin, Vitamin D, and Depression in Polycystic Ovary Syndrome (PCOS) TrialTerminatedNCT03380091Phase 4Results posted
• Diamyd Administered Into Lymph Nodes in Combination With Vitamin D in Type 1 DiabetesCompletedNCT03345004Phase 2Results posted
• A Study to Examine the Effectiveness of Aspirin and/or Vitamin D3 to Prevent Prostate Cancer ProgressionCompletedNCT03103152Phase 2/3Results posted
• A Study to Evaluate the Effect of Vitamin D on PFS in Indolent Non-Hodgkin's LymphomaCompletedNCT03078855Phase 3Results posted
• The Relationship Between Vitamin D and Hepatitis B Virus ReplicationCompletedNCT03068767Not applicableResults posted
• Effects of Vitamin D on Moderate to Severe PeriodontitisCompletedNCT03044886Not applicableResults posted
• Efficacy and Safety of Blue Light (453 nm) Treatment for Mild Psoriasis Vulgaris Over Three Months Compared to Vitamin D.CompletedNCT02735187Not applicableResults posted
• EDCR Study - Etanercept Diamyd Combination Regimen -Open Trial to Evaluate Safety in Children With Type 1 DiabetesCompletedNCT02464033Phase 2Results posted
• Effect of Vitamin D Supplementation on Bone Turnover Markers During PrEP in MSMCompletedNCT02367599Phase 4Results posted
• Personalized Vitamin D Supplementation in European and African AmericansCompletedNCT02362269Not applicableResults posted
• GAD-Alum (Diamyd) Administered Into Lymph Nodes in Combination With Vitamin D in Type 1 Diabetes (DIAGNODE-1)CompletedNCT02352974Phase 1Results posted
• Intervention With Vitamin D and Omega-3 Supplements and Incident Heart FailureCompletedNCT02271230Phase 3Results posted
• Trial of High Dose Vitamin D in Patient's With Crohn's DiseaseTerminatedNCT02208310Phase 4Results posted
• Vitamin D in Preschoolers With Viral-induced AsthmaCompletedNCT02197702Phase 2/3Results posted
• Vitamin D Supplementation and Muscle Function in Older AdultsCompletedNCT02015611Not applicableResults posted
• Vitamin D and Type 2 Diabetes StudyCompletedNCT01942694Not applicableResults posted
• Fixation Using Alternative Implants for the Treatment of Hip Fractures (FAITH-2)TerminatedNCT01908751Phase 3Results posted
• Vitamin D Supplementation in Cutaneous Malignant Melanoma OutcomeCompletedNCT01748448Phase 3Results posted
• Effect of Vitamin D on the Honeymoon Period in Children and Adolescents With Type 1 DiabetesCompletedNCT01724190Not applicableResults posted
• The Effect of Hypovitaminosis D and Vitamin D Supplementation on Fracture Nonunion RatesCompletedNCT01691833Not applicableResults posted
• Vitamin D and Omega-3 Trial to Prevent and Treat Diabetic Kidney DiseaseCompletedNCT01684722Not applicableResults posted
• Stem Cell Recruitment in Osteoporosis TherapyTerminatedNCT01656629Not applicableResults posted
• Study of Vitamin D in Untreated Metastatic Colorectal CancerCompletedNCT01516216Phase 2Results posted
• Vitamin D and Breast Cancer: Does Weight Make a Difference?TerminatedNCT01472445Phase 2Results posted
• Effect of Vitamin D Repletion on Insulin Resistance and Systemic InflammationCompletedNCT01354964Phase 2Results posted
• Vitamin D and Fish Oil for Autoimmune Disease, Inflammation and Knee PainCompletedNCT01351805Not applicableResults posted
• Effect of Vitamin D on Metabolic Profile in Overweight or Obese WomenCompletedNCT01344161Phase 3Results posted
• Vitamin D Deficiency and Atopic DermatitisTerminatedNCT01337635Not applicableResults posted
• High Dose Vitamin D for Sickle Cell DiseaseCompletedNCT01331148Phase 2Results posted
• Study of Vitamin D and Uric Acid Lowering on Kidney and Blood Vessel FunctionCompletedNCT01320722Phase 3Results posted
• Nutrition and Body Composition in Acute Lymphoblastic LeukemiaCompletedNCT01317940Phase 2Results posted
• Vitamin D in HIV-Infected Patients on HAARTCompletedNCT01250899Not applicableResults posted
• Statin/Vitamin D & Migraine StudyCompletedNCT01225263Phase 2Results posted
• Vitamin D and Breast Cancer Biomarkers in Female PatientsCompletedNCT01224678Phase 3Results posted
• Effect of Vitamin D Supplementation on Muscle Mass and FunctionCompletedNCT01199926Phase 4Results posted
• Vitamin D in Vulnerable Adults (VIVA-VA)CompletedNCT01170273Phase 3Results posted
• Vitamin D Supplementation and Acute Respiratory Infection in Older Long-Term Care ResidentsCompletedNCT01102374Phase 2Results posted
• Study of Vitamin D and Effect on Heart Disease and Insulin ResistanceCompletedNCT01093417Phase 2Results posted
• Vitamin D Supplementation Reduces Renin-Angiotensin System Activity in ObesityCompletedNCT01068418Not applicableResults posted
• Prevalence of Vitamin D Deficiency in Type 1 Diabetes Mellitus and Effect of Supplementation on Insulin RequirementsCompletedNCT01029392Phase 3Results posted
• The Effects of Vitamin D Repletion in Vitamin D Deficient Patients With Stage 3 and 4 Chronic Kidney DiseaseCompletedNCT01029002Phase 3Results posted
• Effect of Vitamin D3 on Vascular FunctionCompletedNCT00948298Not applicableResults posted

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