Vitamins: all 2,138 studies that test it
Page 6 of 22. Open to participants first (190), then studies with results posted, then the rest; newest registration first within each.
- Impact on Reducing the Incidence of Low Serum Calcium by Providing Educational Materials on the Need to Take Daily Supplemental Calcium and Vitamin D to Patients With Paget's Disease Treated With Reclast®CompletedNCT00668200Phase 4Results posted
- Efficacy and Safety of Paricalcitol on the Treatment of Secondary Hyperparathyroidism in Calcitriol Resistant Dialysis SubjectsTerminatedNCT00664430Phase 4Results posted
- Arsenic Trioxide With Ascorbic Acid and Melphalan for Myeloma PatientsCompletedNCT00661544Phase 1/2Results posted
- Safety & Effectiveness of Clobex Spray, Followed by Calcitriol Ointment in Management of Plaque PsoriasisCompletedNCT00658788Phase 3Results posted
- Development of Vitamin D as a Therapy for Breast Cancer - Phase 2CompletedNCT00656019Phase 2Results posted
- Mineral Metabolism and Vascular Effects of Vitamin D Therapy in Kidney Transplant PatientsTerminatedNCT00646282Phase 4Results posted
- Pilot Trial of Intravenous Vitamin C in Refractory Non-Hodgkin Lymphoma (NHL)TerminatedNCT00626444Phase 2Results posted
- Vitamin D Levels in Children With IBDTerminatedNCT00621257Not applicableResults posted
- Cephalon Decitabine, Arsenic Trioxide and Ascorbic Acid for Myelodysplastic SyndromeCompletedNCT00621023Phase 2Results posted
- Controlled Trial of Prenatal Vitamin D3 Supplementation to Prevent Vitamin D Deficiency in Mothers and Their InfantsCompletedNCT00610688Phase 3Results posted
- A Study to Evaluate the Safety and Effectiveness of Doxercalciferol Capsules in Participants With Moderate to Severe PsoriasisCompletedNCT00601107Phase 2Results posted
- Vitamin D for ChemopreventionCompletedNCT00585637Phase 1Results posted
- Trental & Vitamin E for Radiation-Induced FibrosisCompletedNCT00583700Phase 2Results posted
- Does Treatment of Hypovitaminosis D Increase Calcium Absorption?CompletedNCT00581828Phase 4Results posted
- Study on the Role of Treatment With Vitamin E on Asthmatic Responses in Allergic AsthmaticsCompletedNCT00581048Not applicableResults posted
- Randomized Controlled Trial of Vitamin D3 in Diabetic Kidney DiseaseCompletedNCT00552409Phase 2/3Results posted
- Calcitriol in Combination With Ketoconazole and Therapeutic Hydrocortisone in Treating Patients With Prostate CancerTerminatedNCT00536991Phase 1/2Results posted
- How Vitamin D Analogues Affect Endothelial Cells in Patients on DialysisCompletedNCT00528788Phase 4Results posted
- Vitamin D in Treating Patients With Prostate CancerCompletedNCT00524680Phase 2Results posted
- Calcitriol and Dexamethasone in Treating Patients With Prostate Cancer That Did Not Respond to Hormone TherapyTerminatedNCT00524589Phase 2Results posted
- Vitamin D and Soy Supplements in Treating Patients With Recurrent Prostate CancerCompletedNCT00499408Phase 2Results posted
- Vitamin D Effects in Overweight PatientsCompletedNCT00493012Not applicableResults posted
- Clinical Utility of Endothelial Dysfunction in PADTerminatedNCT00491751Phase 1Results posted
- Vitamin D Deficiency, Insulin Resistance and FGF-23CompletedNCT00491322Not applicableResults posted
- Improving Vitamin D Status In Cystic FibrosisCompletedNCT00450073Not applicableResults posted
- Tumor Necrosis Factor Decreases Vitamin D Dependant Calcium AbsorptionCompletedNCT00427804Not applicableResults posted
- Cholecalciferol (Vitamin D3) Therapy in Chronic Kidney Disease (CKD) SubjectsCompletedNCT00427037Not applicableResults posted
- A Randomised, Controlled Comparison of Vitamin D Strategies is Acute Hip Fracture PatientsCompletedNCT00424619Phase 4Results posted
- Treatment of Hypovitaminosis D in Rheumatoid ArthritisCompletedNCT00423358Not applicableResults posted
- Secondary Prevention of OsteoporosisCompletedNCT00421343Phase 3Results posted
- A Study of Calcitriol BID Topical Treatment in Adolescents With Plaque PsoriasisCompletedNCT00419666Phase 2Results posted
- Vitamin D Status of Pregnant Women and Their Children in Eau Claire, South CarolinaCompletedNCT00412087Phase 3Results posted
- Establishing the Vitamin D Requirements During LactationCompletedNCT00412074Phase 3Results posted
- Vitamin E in Preventing Peripheral Neuropathy Caused by Chemotherapy in Patients Receiving Chemotherapy for CancerCompletedNCT00363129Phase 3Results posted
- Effects of Topical Vitamin K, Vitamin K and Retinol, and Arnica on Post-Laser BruisingCompletedNCT00363038Not applicableResults posted
- Determinants of Vitamin K MetabolismCompletedNCT00336232Not applicableResults posted
- Phase I/II Study of High-Dose Calcitriol Plus Temodar for Patients With Metastatic MelanomaCompletedNCT00301067Phase 1/2Results posted
- Evaluation of Vitamin D Requirements During PregnancyCompletedNCT00292591Phase 3Results posted
- Cholecalciferol Versus Doxercalciferol in the Treatment of Secondary Hyperparathyroidism in Chronic Kidney DiseaseCompletedNCT00285467Not applicableResults posted
- A Study of Zemplar® Injection and Hectorol® Injection on Intestinal Absorption of Calcium in Chronic Kidney DiseaseCompletedNCT00257920Phase 4Results posted
- A Severity-Adapted Clinical Trial of Diminished Bone Mineral Density in Acute Lymphoblastic Leukemia SurvivorsCompletedNCT00186901Phase 3Results posted
- Trial of Arsenic Trioxide With Ascorbic Acid in the Treatment of Adult Non-Acute Promyelocytic Leukemia (APL) Acute Myelogenous LeukemiaTerminatedNCT00184054Phase 2Results posted
- Vitamin D/Calcium Polyp Prevention StudyCompletedNCT00153816Phase 2/3Results posted
- Vitamin K Supplementation in Post-Menopausal OsteopeniaCompletedNCT00150969Phase 3Results posted
- Coenzyme Q10 in Relieving Treatment-Related Fatigue in Women With Breast CancerCompletedNCT00096356Phase 1Results posted
- Calcitriol and Dexamethasone Before Radical Prostatectomy in Treating Patients With Localized Adenocarcinoma (Cancer) of the ProstateTerminatedNCT00084864Phase 2Results posted
- Treatment of Nonalcoholic Fatty Liver Disease in Children (TONIC)CompletedNCT00063635Phase 3Results posted
- Pioglitazone vs Vitamin E vs Placebo for Treatment of Non-Diabetic Patients With Nonalcoholic Steatohepatitis (PIVENS)CompletedNCT00063622Phase 3Results posted
- MOBILE Study - A Study of Bonviva (Ibandronate) Regimens in Women With Post-Menopausal OsteoporosisCompletedNCT00048061Phase 3Results posted
- S0000 Selenium and Vitamin E in Preventing Prostate CancerCompletedNCT00006392Phase 3Results posted
- Treatment of Hypoparathyroidism With Synthetic Human Parathyroid Hormone 1-34CompletedNCT00001304Phase 2Results posted
- Studies With 1,25-DihydroxycholecalciferolTerminatedNCT00001151Phase 2Results posted
- Women's Health Study (WHS): A Randomized Trial of Low-dose Aspirin and Vitamin E in the Primary Prevention of Cardiovascular Disease and CancerCompletedNCT00000479Phase 3Results posted
- Vitamin D3 for Psychological Distress, Dyspepsia Burden and Heart Rate Variability in Functional DyspepsiaCompletedNCT07922473Not applicable
- Vitamin D3 and Monocyte Responses in Pregnant Women With Pulmonary TuberculosisCompletedNCT07907094Not applicable
- Effect of Cholecalciferol on Mucin-1 Levels in Urinary Extracelllular Vesicles in Individuals With Autosomal Dominant Tubulo-Interstitial Kidney Disease Due to MUC1 Mutations (ADTKD-MUC1)CompletedNCT07903909Not applicable
- Effect of Vitamin D and Zinc Supplementation on Inflammatory Biomarkers in Pulmonary Tuberculosis PatientsCompletedNCT07899138Not applicable
- Comparison of Fractional CO2 Laser Monotherapy and Its Combination With Either Topical Vitamin C or Topical Timolol in the Treatment of Post-Acne Erythema: A Split Face StudyCompletedNCT07884565Phase 2
- Thiamine, Ascorbic Acid, and Their Combination on MMP-9/TIMP-1 and Inflammatory Balance in SepsisCompletedNCT07786350Not applicable
- Efficacy of Vitamin D in Post-Stroke Cognitive ImpairmentActive, not recruitingNCT07767214Not applicable
- The Effects of Vitamin D Supplements on Sports Performance of Female Indoor Elite AthletesCompletedNCT07748650Not applicable
- Vitamin D Therapy to Prevent Recurrent Preeclampsia in High-Risk PregnanciesCompletedNCT07717931Phase 4
- Can Vitamin D Replacement Correct Chronic Disease Anemia?CompletedNCT07673497Phase 4
- To Study the Efficacy and Safety of Doxercalciferol on Spinal and Femoral Density in Postmenopausal Osteopenic Women in a Long Term 2 Year StudyCompletedNCT07660536Phase 2/3
- Effect of Isoflavone and Vitamin D Supplementation on Serum Vitamin D Levels, Body Composition, Inflammatory Markers, and Quality of Life in Patients With Inflammatory Bowel DiseaseCompletedNCT07656233Not applicable
- Effect of Alpha Tocopherol and Psyllium on Lipid Levels in Dyslipidaemia PatientsCompletedNCT07610304Phase 2
- Effect of Vitamin D on Postoperative Pain in Symptomatic Irreversible PulpitisActive, not recruitingNCT07579637Not applicable
- Oral Vitamin A Supplementation for Prevention of Bronchopulmonary Dysplasia in Preterm InfantsCompletedNCT07577180Phase 3
- Effect of vitk2 on Atopic Dermatitis Pediatrics PatientsCompletedNCT07574242Not applicable
- Effect of Vitamin D and Folic Acid on Mild Cognitive ImpairmentCompletedNCT07486141Not applicable
- Effect of Vitamin D Supplementation on Metabolic Parameters in Patients With Type 2 Diabetes and Vitamin D DeficiencyCompletedNCT07468721Not applicable
- Vitamin E Plus Mefenamic Acid Versus Mefenamic Acid Alone for Treating Primary Dysmenorrhea in WomenCompletedNCT07466342Phase 4
- Cerebral Hemodynamic Effects of Oxygen and Antioxidants (CHEOXANT)CompletedNCT07369232Not applicable
- Effect of the Consumption of Cookies Enriched With Plant Proteins and of a Vitamin D Supplement on the Progression of Sarcopenia in the ElderlyActive, not recruitingNCT07356440Not applicable
- Cardioprotective Effect of Melatonin Versus Vitamin D in Breast Cancer Patients Receiving DoxorubicinCompletedNCT07349459Not applicable
- Comparison of Different Doses of Vitamin D Supplementation on Glycated Haemoglobin and Blood Glucose Parameters With Type II Diabetes Mellitus Having Vitamin d DeficiencyActive, not recruitingNCT07321223Not applicable
- Effect of Double Nutri® Liposomal Encapsulation Technology on Human Absorption of Vitamin C and Glutathione Liquid SachetCompletedNCT07302828Not applicable
- Vitamin D Versus Desmopressin Versus Combination Therapy in Children With Primary Monosymptomatic Nocturnal Enuresis and Vitamin D DeficiencyCompletedNCT07292753Not applicable
- Therapeutic Efficacy of Nutritional Supplementation in Cachexia Associated With Chronic Pulmonary DiseaseCompletedNCT07288619Not applicable
- Effects of Laser Therapy and Vitamin D Pills on Braces Tooth Movement: A Random Controlled StudyActive, not recruitingNCT07286474Not applicable
- Ascorbate in Myelodysplastic SyndromeSuspendedNCT07283900Phase 2
- Effect of Vitamin D on Body Composition and Functionality of Older AdultsCompletedNCT07275177Not applicable
- Oral Vitamin D3 Effect on Inflammatory Biomarkers in Ulcerative Colitis PatientsCompletedNCT07269223Not applicable
- Effects of Dietary Nitrate and Vitamin C Co-supplementation on Blood Pressure and Endothelial Function in Overweight IndividualsCompletedNCT07242066Not applicable
- Evaluation the of Role of Vitamin D Supplement on Tumor Response, Inflammation and Apoptosis in Patients With Stage II or III Colorectal Cancer Receiving Chemotherapy.CompletedNCT07241247Phase 4
- Evaluation of the Role of N Acetyl Cysteine and Vitamin D in Improving Outcomes After Corrosive IngestionActive, not recruitingNCT07229456Phase 3
- Effect of Parenteral Alpha-Tocopherol in the Definitive Surgery of Tetralogy of FallotCompletedNCT07194304Early Phase 1
- The Prospective Improved Vitamin D Study for Inflammatory Bowel Disease PatientsActive, not recruitingNCT07177157Phase 1
- Evaluation of the Role of Vitamin D in Reducing the Severity and Duration of Rotavirus Infection in Iraqi ChildrenCompletedNCT07167797Not applicable
- Oxidative DNA Damage Enhancement by Vitamin C Among Narghile Smokers and Non-smokersCompletedNCT07141823Not applicable
- High-Dose Vitamin D3 for Diabetic Foot Ulcer Healing: Randomized Controlled TrialCompletedNCT07139964Not applicable
- Can Vitamin D Reduce the Burden of COVID-19?CompletedNCT07128069Not applicable
- The Effects of Vitamin C on Acute-Exercise in Postmenopausal FemalesTerminatedNCT07109115Not applicable
- Effect of Vitamin-D as an Adjuvant to Phototherapy in Reduction of Indirect Serum BilirubinCompletedNCT07098234Not applicable
- Efficacy of Vitamin C Supplementation on Malondialdehid Levels and Disease Activity in SLE PatientsCompletedNCT07083622Not applicable
- Effectiveness of Non-hormonal Treatment on Moderate to Severe Premenstrual SyndromeCompletedNCT07078708Not applicable
- Oral Vitamin C Administration on Erythropoietin Dosing Requirement in End-Stage Renal Disease Patients on Regular HemodialysisCompletedNCT07076108Not applicable
- Efficacy of Vitamin C Supplementation on Serum TNF-α Levels and Disease Activity in SLE PatientsCompletedNCT07071233Not applicable
- Efficacy of Vitamin C Supplementation on Serum IL-6 Levels and Disease Activity in Systemic Lupus Erythematosus PatientsCompletedNCT07071220Not applicable
- The Effect of Novel D3 Use as a Mouthwash in COVID-19 PatientsCompletedNCT07068282Phase 1