Vitamins: all 2,138 studies that test it
Page 20 of 22. Open to participants first (190), then studies with results posted, then the rest; newest registration first within each.
- Vitamin D Supplementation in Childhood Atopic DermatitisCompletedNCT00879424Not applicable
- Vitamin D Supplementation Prevents Elderly PneumoniaCompletedNCT00877422Not applicable
- Nutritional Intervention for Age-related Muscular Function and Strength LossesCompletedNCT00874575Phase 1
- Cord Blood Plus Vitamin D and Omega 3s in T1DCompletedNCT00873925Phase 1
- Vitamin D Supplement in Preventing Colon Cancer in African Americans With Colon PolypsTerminatedNCT00870961Not applicable
- Vitamin C for Prevention of Urinary Tract Infections in the Spinal Cord InjuredTerminatedNCT00869427Phase 4
- Evaluation of Calcium, Vitamin D, Magnesium, and Zinc Absorption in ChildrenCompletedNCT00868738Not applicable
- Calcitriol in the Treatment of Immunoglobulin A NephropathyStatus unknownNCT00862693Phase 4
- Vitamin D and Calcium StudyCompletedNCT00857831Not applicable
- Study Comparing Two Vitamin D Supplements for Infants: Liquid Versus D-StripsCompletedNCT00846677Phase 4
- Study of Antioxidants on Prostate Tumors in Men Undergoing Radical Prostatectomy for Prostate CancerCompletedNCT00844792Phase 2
- Vitamin E Treatment for Long-Chain 3-Hydroxyacyl Coenzyme A (CoA) Dehydrogenase (LCHAD) Associated NeuropathyTerminatedNCT00840112Not applicable
- Comparison of Ascorbic Acid and Grape Seed Extract in Oxidative Stress Induced by on Pump Heart SurgeryStatus unknownNCT00839085Not applicable
- In Vitro Basophil Responsiveness to Allergen Challenge After Gamma-tocopherol Supplementation in Allergic AsthmaticsCompletedNCT00836368Phase 1
- Nutritional Problems After Lung and Heart TransplantationStatus unknownNCT00826254Not applicable
- Vitamin A and Maternal-infant Flu Vaccine ResponseCompletedNCT00817661Not applicable
- Effects of EPA and Vitamin E on Leptin, Adiponectin and Enzymatic Antioxidants in Type 2 DMCompletedNCT00817622Phase 4
- Metabolic Effects of Vitamin D in Patients With Type 2 DiabetesCompletedNCT00812578Phase 2
- Vitamin D AND Glucose Handling Evaluated by Glucose ClampCompletedNCT00809744Phase 2
- Vitamin D Treatment in Patients With Chronic Hepatitis CStatus unknownNCT00804752Not applicable
- Study of Association of Arsenic Trioxide (ATO) and Ascorbic Acid in Myelodysplastic SyndromesTerminatedNCT00803530Phase 2
- Effect of 25-hydroxyvitamin D and a Structured Exercise Program on Dialysis PatientsCompletedNCT00798993Phase 4
- Low Dose Supplementation to Improve Anticoagulation Control With Oral Vitamin K as an Adjuvant to Warfarin TherapyCompletedNCT00794755Phase 3
- Vitamin D in Active Tuberculosis (TB) StudyWithdrawnNCT00788320Not applicable
- Effects of Vitamin D Supplementation on Lung Function in an Acute Pulmonary Exacerbation of Cystic FibrosisCompletedNCT00788138Not applicable
- Can Vitamin D Supplementation Prevent Bone Loss in Persons With Multiple SclerosisCompletedNCT00785473Phase 4
- Vitamin D, Glucose Control and Insulin Sensitivity in African-AmericansCompletedNCT00784511Phase 2
- Prevention of Secondary Hyperparathyroidism With Vitamin D in Stage II/III Chronic Kidney DiseaseCompletedNCT00781417Not applicable
- Hyperglycemia and Oxidative Stress in the Human Brain With DiabetesTerminatedNCT00775541Not applicable
- Pharmacokinetic (PK) and Pharmacodynamic (PD) Study of CD 2027 Spray in Adults With Plaque-type PsoriasisCompletedNCT00763503Phase 2
- Vitamin D3 for the Treatment of Low Vitamin D in Cystic FibrosisWithdrawnNCT00762918Phase 3
- Vitamin E and Infection in the ElderlyCompletedNCT00758914Not applicable
- Vitamin D3 Substitution in Vitamin D Deficient Kidney Transplant RecipientsStatus unknownNCT00752401Phase 3
- Effect of Vitamin D Deficiency and Vitamin D Supplementation on Glucose MetabolismCompletedNCT00749918Not applicable
- The Role of Vitamin D in Immune Function in Patients With Chronic Kidney Disease (CKD) Stages 3 and 4.CompletedNCT00749736Phase 4
- Study of Antioxidants on MRI Detectable Early Stage Prostate Cancer Among Men on Active SurveillanceCompletedNCT00744549Phase 2
- Impact of Maternal Supplementation With Dual Megadose of Vitamin ACompletedNCT00742937Phase 2/3
- Vitamin D Effects on Prostate PathologyStatus unknownNCT00741364Phase 2
- Comparing the Use of Vitamin c (Ascorbic Acid) in Eye Burn in Subconjunctival Injection to Topical or Oral Treatment.WithdrawnNCT00734695Phase 1
- The Effect of Vitamin D and Calcium on Bone in Pediatric HIVCompletedNCT00724178Phase 2/3
- Effects of Vitamin D on LipidsCompletedNCT00723385Not applicable
- Pharmacokinetic Study: Effect of 25(OH)D and Vitamin D3 on Serum 25(OH)DCompletedNCT00718276Phase 1
- Effects of Vitamin C on Hyperoxia-Induced Reduction of Retinal Blood FlowCompletedNCT00712907Not applicable
- Carotene and Retinol Efficacy TrialCompletedNCT00712647Phase 4
- Vitamin D for the Treatment of Severe AsthmaStatus unknownNCT00712205Phase 4
- Effect of Vitamin A in the Treatment of Neonatal Sepsis and Necrotizing EnterocolitisCompletedNCT00707785Phase 3
- Combination Natural Health Product in Children With Attention Deficit/Hyperactivity Disorder (ADHD)CompletedNCT00704990Phase 2/3
- Vitamin B12 and Folic Acid Supplementation for Preventing Fractures in Elderly PeopleStatus unknownNCT00696514Phase 1
- Clinical Approaches to Correcting Vitamin D Inadequacy and Maintaining AdequacyCompletedNCT00692120Not applicable
- Vitamin D Inadequacy in Rural Populations, Evaluation of Correction by Food SupplementationCompletedNCT00690417Not applicable
- Vitamin D for the Prevention of Diabetes Type 2CompletedNCT00685594Phase 2/3
- Cholecalciferol Supplementation, Muscle StrengthCompletedNCT00682214Phase 1
- L-arginine and Vitamin D Adjunctive Therapy in Pulmonary Tuberculosis (TB)CompletedNCT00677339Phase 3
- Newborn Vitamin A (VA) Supplementation Pilot Project, PakistanCompletedNCT00674089Not applicable
- Randomized Controlled Trial of Vitamin D3 Supplementation for Viral Upper Respiratory Tract Infections (URI) PreventionCompletedNCT00656929Not applicable
- Safety Trial of High Dose Oral Vitamin D3 With Calcium in Multiple SclerosisCompletedNCT00644904Phase 1/2
- Changes of Biomarkers in Response to Training and Antioxidant TreatmentCompletedNCT00638560Phase 1
- Vitamin C Supplementation as a Preventive Treatment of Diabetic Peripheral NeuropathyCompletedNCT00634998Phase 1
- Efficacy of Vitamin C Injection on Fatigue in Workers After WorkCompletedNCT00633581Phase 2/3
- Evaluating the Effects of Supplemental Vitamin C on Infant Lung Function in Pregnant Smoking WomenCompletedNCT00632476Not applicable
- Effect of Gamma Tocopherol Supplementation on Neutrophil Response to 20,000 EU of Clinical Center Reference Endotoxin in Normal AdultsCompletedNCT00631085Phase 1
- Ascorbic Acid and Ibuprofen in Infants With Hypoxic Ischemic EncephalopathyCompletedNCT00624871Not applicable
- The Effect of Vitamin D Repletion on Insulin ResistanceCompletedNCT00606957Not applicable
- Bioequivalency Study of Calcitriol Tablets Under Fasting ConditionsCompletedNCT00601328Not applicable
- Zurich Multiple Endpoint Vitamin D Trial in Knee OA PatientsCompletedNCT00599807Phase 4
- Bone Health in Gynecologic Cancers-does FOSAVANCE Help?CompletedNCT00593580Phase 2
- OSTPRE-Fracture Prevention StudyCompletedNCT00592917Phase 4
- High-Dose Vitamin D Deficiency in Burn InjuryWithdrawnNCT00591604Phase 3
- Trisenox, Ascorbic Acid and Bortezomib in Patients With Relapsed/Refractory Multiple MyelomaTerminatedNCT00590603Phase 1
- Effects of Vitamin D on Renin Expression in Hypertensive PatientsTerminatedNCT00585442Early Phase 1
- Study of Docetaxel With Doxercalciferol or Placebo for Advanced Prostate CancerTerminatedNCT00582582Phase 2
- Clinical Effects of Vitamin D Repletion in Patients With Parkinson's DiseaseTerminatedNCT00571285Phase 4
- Effect of Vitamin C on Iron AbsorptionCompletedNCT00570895Not applicable
- Regulation of Bone Formation in Renal OsteodystrophyCompletedNCT00560300Phase 2
- Vitamin A Supplementation for Modulation of Mycobacterium Tuberculosis Immune Responses in Latent TuberculosisWithdrawnNCT00558480Not applicable
- Effect of Grape Seed Extract Plus Ascorbic Acid on Endothelial FunctionCompletedNCT00554242Not applicable
- Selenium and Vitamin E in Preventing Cancer Progression and Recurrence in Patients With Early-Stage Bladder CancerStatus unknownNCT00553345Phase 3
- DNA Changes That Affect Vitamin D Metabolism in Patients With Colorectal Cancer Receiving Vitamin D SupplementsCompletedNCT00550563Not applicable
- Does Ascorbic Acid Reduce Sympathoexcitation in CHF?CompletedNCT00550121Not applicable
- Kabul Vitamin D Supplementation TrialStatus unknownNCT00548379Phase 3
- Effects of Vitamin D Replacement in Patients With Primary Hyperparathyroidism (PHPT)CompletedNCT00538720Phase 1
- A Study of Gemcitabine ± Erlotinib and DN-101 Versus Gemcitabine ± Erlotinib and Placebo in Patients With Advanced Pancreatic CancerSuspendedNCT00536770Phase 2
- The Effects of Post-Conditioning and Administration of Vitamin C on Intramuscular High Energy Phosphate LevelsStatus unknownNCT00534924Not applicable
- Vitamin C and Cardiovascular RiskCompletedNCT00534014Not applicable
- Impact of Ascorbic Acid on Post-Cardiothoracic Surgery InflammationCompletedNCT00519337Phase 4
- Impact Of Antioxidant Micronutrients On Intensive Care Unit (ICU) OutcomeTerminatedNCT00515736Phase 3
- Impact of the WHO Recommended Vitamin A Supplementation at Immunisation ContactsTerminatedNCT00514891Phase 4
- Effects of Oral Cholecalciferol (Vitamin D3) on Bone Health, Neuromuscular Function, and Quality of Life in Adults With Chronic Kidney DiseaseCompletedNCT00511225Not applicable
- Doxercalciferol in Recurrent Pediatric Solid TumorsTerminatedNCT00511017Phase 1
- The Efficacy and Safety of Calcitriol for the Treatment of Lupus Nephritis and Persistent ProteinuriaWithdrawnNCT00508898Phase 4
- Pulmonary Tuberculosis and Vitamin DStatus unknownNCT00507000Phase 3
- Pharmacological Modulations of Allergen-Specific ImmunotherapyCompletedNCT00504946Phase 3
- The Effect of Calcium and Vitamin D in Patients With Heart FailureCompletedNCT00497900Phase 4
- High Dosage Vitamin D and OsteoporosisCompletedNCT00491920Phase 4
- Vitamin D Reabsorption in Adolescents and Young Adults With HIV InfectionCompletedNCT00490412Not applicable
- Chemoprevention of Colorectal AdenomasTerminatedNCT00486512Phase 3
- High Dose Ascorbic Acid Treatment of CMT1ACompletedNCT00484510Phase 2/3
- Calcitriol or Placebo in Men for Prostate Cancer Active SurveillanceWithdrawnNCT00482157Not applicable
- Calcium and Vitamin D Supplementation Decreases Incidence of Stress Fractures in Female Navy RecruitsCompletedNCT00476346Not applicable
- The Pharmacokinetics of a Single Large Dose of Vitamin D3CompletedNCT00473239Not applicable