Cholecalciferol: all 692 studies that test it

Page 3 of 7. Open to participants first (48), then studies with results posted, then the rest; newest registration first within each.

• Efficacy and Safety of Vitamin D Supplementation Combined With Alarm Therapy in Treating Nocturnal EnuresisCompletedNCT06508333Not applicable
• Effect of Vitamin D Supplementation on Glutathione Peroxidase (GPx) Activity, Interleukin-6 (IL-6) Levels and Clinical Outcomes in Post-COVID-19 PatientsCompletedNCT06419712Not applicable
• Vitamin D in Armenia: Vitamin D Repletion Strategies With Dibase, and Vitamin D and Vitamin D Binding Protein and COVIDCompletedNCT06406543Not applicable
• Effects of Vitamin D3 and Prebiotics Supplementation on Cardiovascular Risk Factors in Patients With Type 2 DiabetesCompletedNCT06351566Not applicable
• Effect of Vitamin D Injection on Hypertrophic Scars and KeloidsCompletedNCT06301178Phase 1/2
• The Effect of Vitamin D Supplementation on Dental Implant Osseointegration: A Randomized Controlled TrialCompletedNCT06274216Not applicable
• High Dose Vitamin D Supplementation in Children With Sickle Cell DiseaseCompletedNCT06274203Not applicable
• An Evaluation of the Effect of Vitamin D Supplementation on Depressive Symptoms Among Chinese Early AdolescentsCompletedNCT06247930Not applicable
• Effect of Vitamin D Supplementation on Testosterone Level in Women With Polycystic Ovary SyndromeCompletedNCT06101147Phase 2
• The Effect of Vitamin D3 Therapy on Vitamin D Status in Pregnant Women With Vitamin D Deficient and InsufficientActive, not recruitingNCT06054919Phase 2/3
• A Study of the Feasibility of Using the Dietary Supplement "ARTNEO" in Patients With OsteoathritisCompletedNCT05975879Not applicable
• Cholecalciferol Supplementation in Hemodialysis PatientsCompletedNCT05922696Phase 2/3
• The Effect of Supplementation of Vitamin D3 on Inflammation Induced by 100 km Running, Iron Metabolism and ErythropoiesisCompletedNCT05880030Not applicable
• The Genetic Effects on Vitamin D SupplementationStatus unknownNCT05802433Not applicable
• Efficacy of Vitamin D Supplementation for Children With BronchiolitisCompletedNCT05795933Phase 2/3
• Efficacy and Safety of High Dose Vitamin D Supplementation for Overactive Bladder Dry in ChildrenCompletedNCT05709990Not applicable
• Randomized Trial of Enteral Vitamin D Supplementation in Infants < 28 Weeks Gestational Age or <1000 Grams Birth WeightActive, not recruitingNCT05694689Not applicable
• Vitamins D and K Effects on Vascular Function in Obese Adults.Status unknownNCT05689632Not applicable
• Effects of Stoss Therapy of Vitamin D3 on Peri-operative Outcomes in Patients Receiving General SurgeryWithdrawnNCT05650268Not applicable
• Effectiveness of Inactive Vitamin D Supplementation in Non-Alcoholic Fatty Liver Disease PatientsStatus unknownNCT05613192Phase 3
• Effect of Preoperative High-dose Cholecalciferol in Prevention of Post-thyroidectomy HypocalcaemiaStatus unknownNCT05586529Not applicable
• High Oral Loading Dose of Cholecalciferol in Non-Alcoholic Fatty Liver DiseaseCompletedNCT05578404Phase 2
• Vitamin D, Oxidative Stress and Inflammation in HemodialysisCompletedNCT05460338Phase 2/3
• ViDES Trial (Vitamin D Extra Supplementation)Active, not recruitingNCT05459298Not applicable
• Vitamin D and Curcumin Piperine Attenuates Disease Activity and Cytokine Levels in Systemic Lupus Erythematosus PatientsCompletedNCT05430087Phase 2
• Effect of Raloxifene Plus Cholecalciferol and Cholecalciferol Alone on the Bone Mineral Density in Postmenopausal Women With OsteopeniaCompletedNCT05386784Phase 4
• HMB Cerebral Palsy Pilot StudyActive, not recruitingNCT05384951Not applicable
• Vitamin D Supplementation and Clinical Outcomes in Severe COVID-19 PatientsStatus unknownNCT05384574Not applicable
• Effect of Vitamin D and Denosumab on Bone Remodelling in Women With Postmenopausal OsteoporosisCompletedNCT05372224Not applicable
• Synergistic Effect of Vitamin D Supplementation in Patients With Vitiligo and Vitamin D DeficiencyCompletedNCT05364567Not applicable
• Pilot Study of Vitamin K2 (MK-7) and Vitamin D3 Supplementation and the Effects on PASC Symptomatology and Inflammatory BiomarkersCompletedNCT05356936Not applicable
• Frequency of Hyperparathyroidism in Postmenopausal Osteoporosis and Its TreatmentCompletedNCT05347082Not applicable
• Investigating the Effects of Hydroxyvitamin D3 on Multiple SclerosisStatus unknownNCT05340985Phase 4
• Effect of Cholecalciferol Supplementation on Disease Activity and Quality of Life of Systemic Lupus Erythematosus Patients .CompletedNCT05326841Phase 3
• Early High-Dose Vitamin D and Residual β-Cell Function in Pediatric Type 1 DiabetesStatus unknownNCT05270343Phase 3
• Vitamin D Nasal Drops in Post COVID-19 ParosmiaStatus unknownNCT05269017Phase 2
• Outcome of High Dose Vitamin D on Prognosis of Sepsis Requiring Mechanical VentilationCompletedNCT05244018Phase 4
• Prevention of Postoperative Hypocalcemia of Oral Vitamin D Supplementation Before Total ThyroidectomyCompletedNCT05216419Phase 4
• Pharmacokinetics Evaluation of Vitamin D FormulationsCompletedNCT05209425Not applicable
• Vitamin D Supplementation for the Prevention of GDMStatus unknownNCT05208827Early Phase 1
• Design and Application of Vitamin D Films for Burn Healing After Cauterizing SurgeryCompletedNCT05142072Early Phase 1
• Vitamin D Supplementation and Clinical Improvement in COVID-19CompletedNCT05126602Not applicable
• Vitamin D Supplementation and Improvement of PCOS Therapy and IVF Outcomes in Infertile Saudi WomenStatus unknownNCT05106712Not applicable
• Vitamin D and Painful Diabetic NeuropathyStatus unknownNCT05080530Not applicable
• Role of Vitamin D3 Supplementation With Conventional Synthetic Disease Modifying Antirheumatic Drugs(csDMARD) in Rheumatoid Arthritis PatientsCompletedNCT05078502Not applicable
• Open Label Randomized Clinical Study to Promote a Healthy Lifestyle in Medical StudentsCompletedNCT05073029Not applicable
• The Effect of Oral Vitamin D Supplements on Fusion Outcome in Patients Receiving Elective Lumbar Spinal FusionCompletedNCT05023122Not applicable
• Vitamin D Supplementation for the Prevention of Acute Respiratory Infections: a RCT in Young Finnish MenCompletedNCT05014048Not applicable
• Vit D3 for Early Symptoms of COVID-19Status unknownNCT05008003Not applicable
• Cholecalciferol Comedication in IBD - the 5C-studyCompletedNCT04991324Phase 3
• Effect of Vitamin D in Patients With Diabetic Peripheral Neuropathy to Alleviate Pain and Improvement of SymptomsCompletedNCT04984044Not applicable
• Vitamin D Supplementation in Estonian ConscriptsCompletedNCT04939636Not applicable
• Cholecalciferol on Depressive Symptoms in Type 2 Diabetes Mellitus PatientsStatus unknownNCT04917458Phase 2
• Effects of Vitamin D Supplementation on Depression and Inflammatory MarkersCompletedNCT04898725Not applicable
• Vitamin D Absorbance Study - Clinical Trial of the Absorbance of Nano Liquid D3CompletedNCT04885803Not applicable
• The Effect of Cholecalciferol in Pre-frail ElderlyCompletedNCT04847947Phase 3
• The Effect of Vitamin D Supplementation in Overweight and Obese Pregnant WomenCompletedNCT04841265Not applicable
• 30000 IU Per Week Vitamin D Treatment in PCOS PatientsCompletedNCT04840238Phase 2
• Immunomodulating Effects of Supplementation With 25-OH Vitamin DCompletedNCT04822038Not applicable
• Vitamin D Replacement Using Oral Thin Film (OTF) Cholecalciferol in Patients Undergoing Hematopoietic Stem Cell TransplantationCompletedNCT04818957Not applicable
• Is Involucrin Has a Role in Verruca Vulgaris? A Clinical and Immunohistochemical StudyCompletedNCT04793529Not applicable
• Vitamin D3 Levels in COVID-19 Outpatients From Western MexicoCompletedNCT04793243Not applicable
• Temporal Profile of Serum Vitamin D Levels in Foot and Ankle Fusion SurgeryActive, not recruitingNCT04772196Early Phase 1
• 12 Weeks Vitamin D Supplementation and Physical Activity in PD Patients With DBSCompletedNCT04768023Not applicable
• Effect of Maternal Vitamin D3 Supplementation on Iron Status During Pregnancy and Early InfancyCompletedNCT04764955Phase 3
• FLIO and the Influence of Oral Lutein Supplementation on Macular PigmentCompletedNCT04761341Phase 4
• The Effect of Vitamin D Therapy on Morbidity and Moratlity in Patients With SARS-CoV 2 InfectionCompletedNCT04733625Not applicable
• Effect of Weekly High-dose Vitamin D3 Supplementation on the Association Between Circulatory FGF-23 and A1c LevelsCompletedNCT04682626Not applicable
• Vitamin D Supplementation in Children With Sickle Cell DiseaseStatus unknownNCT04662476Not applicable
• Vitamin D Supplementation in Individuals With a Chronic Spinal Cord InjuryCompletedNCT04652544Phase 3
• Vitamin D and Zinc Supplementation for Improving Treatment Outcomes Among COVID-19 Patients in IndiaCompletedNCT04641195Phase 3
• Effect of Vitamin D on Hospitalized Adults With COVID-19 InfectionCompletedNCT04636086Phase 4
• VITamin D and OmegA-3 TriaL: Interrelationship of Vitamin D and Vitamin K on Bone (VITAL)Active, not recruitingNCT04573946Not applicable
• Effect of Vitamin D on Morbidity and Mortality of the COVID-19Status unknownNCT04552951Phase 4
• Efficacy of Vitamin D Supplementation to Prevent the Risk of Acquiring COVID-19 in Healthcare WorkersCompletedNCT04535791Phase 3
• Efficacy of Vitamin D Treatment in Pediatric Patients Hospitalized by COVID-19CompletedNCT04502667Phase 3
• The Effect of D3 on Selected Cytokines Involved in Cytokine Storm in the Covid-19 Uninfected Jordanian PeopleCompletedNCT04476745Not applicable
• The Efficacy and the Safety of Vitamin D3 30,000 IU for Loading Dose SchedulesCompletedNCT04476511Phase 3
• Determining the Effect of Vitamin D, Dyslipidemia and Microvascular in Patients With Type 2 DiabetesCompletedNCT04439474Not applicable
• The Role of Vitamin D3 in Pediatric Bronchiectasis SeverityCompletedNCT04411901Phase 2/3
• Vitamin D Testing and Treatment for COVID 19CompletedNCT04407286Phase 1
• Oral Colecalciferol Treatment in Spinal Cord LesionCompletedNCT04400747Not applicable
• Ivermectin-Azithromycin-Cholecalciferol (IvAzCol) Combination Therapy for COVID-19CompletedNCT04399746Not applicable
• Clinical Trial to Optimise Levels of Vitamin D for Rhinovirus ProtectionWithdrawnNCT04368520Phase 2
• Vitamin D Supplementation in ConscriptsCompletedNCT04359524Not applicable
• Coral Calcium's Effect on Bone Density in Postmenopausal Women With and Without IbandronateCompletedNCT04321837Phase 2
• Vitamin D in PregnancyStatus unknownNCT04291313Not applicable
• Trial of High-Dose Vitamin D in the Treatment of Complicated Severe Acute MalnutritionCompletedNCT04270643Phase 2
• Adjunctive Treatment With Vitamin D3 in Patients With Active IBDSuspendedNCT04225819Not applicable
• Pilot Study- Treat to Target Vitamin D in End Stage Renal DiseaseWithdrawnNCT04167111Not applicable
• Effect of POSTbiotics Supplementation on Microbiome in OBese Children: the POST-OB StudyStatus unknownNCT04151823Phase 4
• Effect of Vitamin K 2 on Vascular Calcification in Hemodialysis PatientsStatus unknownNCT04145492Phase 2/3
• Treatment of Vitamin D Deficiency With Large Bolus CholecalciferolTerminatedNCT04120064Phase 1
• Impact of Vitamin D Supplementation on Cardiometabolic Status and Androgen Profile in Polycystic Ovary SyndromeCompletedNCT04117750Not applicable
• A Study to Investigate the Effect of Vitamin D3 Supplementation on Asthma Symptoms in Adults With Asthma (VITDAS)CompletedNCT04117581Not applicable
• Vitamin D3 in Sensory Recovery After Digital NERVe Suture (D3NERV).Status unknownNCT04115982Phase 3
• This Study Include Chronic Obstructive Pulmonary Disease(COPD) Patients . Patients Were Vitamin D Deficient Age Range 40 to 80 Years, Smokers Patients Were Advised to Take Either Placebo or Vitamin D3 . Antioxidant Enzymes Were Assessed at Baseline and at 26th Weeks.Status unknownNCT04011930Phase 2
• Effect of Vitamin d and Omega 3 on OsteocalcinCompletedNCT04005612Not applicable
• The Vitamin D in Pediatric Crohn's Disease ( ViDiPeC-2 )TerminatedNCT03999580Phase 3
• Vitamin D3 For CGD Patients With BCGosis/ItisCompletedNCT03984890Phase 2/3

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