Vitamins: all 2,138 studies that test it
Page 10 of 22. Open to participants first (190), then studies with results posted, then the rest; newest registration first within each.
- Influence of Military Preventive Policy for reCruit Training on COVID-19 SeroconversionStatus unknownNCT04476680Not applicable
- The Efficacy and the Safety of Vitamin D3 30,000 IU for Loading Dose SchedulesCompletedNCT04476511Phase 3
- Vitamin D Effect in Rheumatoid Arthritis.CompletedNCT04472481Phase 4
- Can Vitamin C Reduce the Risk of Postoperative Shoulder Stiffness?TerminatedNCT04472000Phase 4
- Efficacy Evaluation of 16 Weeks' Dietary Supplementation With Iron Bis-glycinate Plus Vitamin C on Cognitive Function, Subjective Mood, Fatigue, Health and Well-beingCompletedNCT04469010Not applicable
- Vitamin D in Egyptian Children With Atopic DermatitisCompletedNCT04468711Phase 3
- The Study of Quadruple Therapy Zinc, Quercetin, Bromelain and Vitamin C on the Clinical Outcomes of Patients Infected With COVID-19Status unknownNCT04468139Phase 4
- Effect of Vitamin C and E in Breast Cancer Patients Undergoing ChemotherapyStatus unknownNCT04463459Not applicable
- Short Term, High Dose Vitamin D Supplementation for COVID-19CompletedNCT04459247Not applicable
- Does Supplementing Vitamin D Deficiency Affect Fusion Healing Rates in Elective Foot and Ankle Surgery?CompletedNCT04450199Early Phase 1
- Vitamin D Supplementation in Patients With COVID-19CompletedNCT04449718Not applicable
- Efficacy of Vitamin C Supplement vs Spinal Manipulation to Treatment in Lateral EpicondylitisStatus unknownNCT04445727Not applicable
- Vitamin D Regulates the Expression of Glucocorticoid Receptors in Blood of Severe Asthmatic PatientsCompletedNCT04443387Not applicable
- Determining the Effect of Vitamin D, Dyslipidemia and Microvascular in Patients With Type 2 DiabetesCompletedNCT04439474Not applicable
- SLOW-Slower Progress of caLcificatiOn With Vitamin K2Status unknownNCT04429035Not applicable
- The Role of Vitamin D3 in Pediatric Bronchiectasis SeverityCompletedNCT04411901Phase 2/3
- Cholecalciferol to Improve the Outcomes of COVID-19 PatientsCompletedNCT04411446Phase 4
- Vitamin D Testing and Treatment for COVID 19CompletedNCT04407286Phase 1
- Lessening Organ Dysfunction With VITamin C - COVID-19CompletedNCT04401150Phase 3
- Oral Colecalciferol Treatment in Spinal Cord LesionCompletedNCT04400747Not applicable
- Ivermectin-Azithromycin-Cholecalciferol (IvAzCol) Combination Therapy for COVID-19CompletedNCT04399746Not applicable
- International ALLIANCE Study of Therapies to Prevent Progression of COVID-19Status unknownNCT04395768Phase 2
- Oral 25-hydroxyvitamin D3 and COVID-19Status unknownNCT04386850Phase 2/3
- Vitamin D as a Therapeutic Adjunct in the Stimulant Treatment of ADHD: a Proof-of-concept Tele-health Study of Stimulant-induced Improvement in Neurocognitive Functioning.TerminatedNCT04386811Phase 1
- Pharmacokinetics of Omega-3 MonoglyceridesCompletedNCT04382027Not applicable
- Vitamin D Supplementation in CKD - Vascular Function, Structure and Immune RegulationCompletedNCT04380467Not applicable
- High vs Low Dose Vitamin D in Patients With Diabetic Peripheral NeuropathyCompletedNCT04377399Phase 4
- Efficacy of Oral Vitamin D Supplementation in Adolescents and Young Adults.CompletedNCT04377386Not applicable
- Clinical Trial to Optimise Levels of Vitamin D for Rhinovirus ProtectionWithdrawnNCT04368520Phase 2
- Prevention and Treatment With Calcifediol of COVID-19 Induced Acute Respiratory SyndromeCompletedNCT04366908Phase 2
- The LEAD COVID-19 Trial: Low-risk, Early Aspirin and Vitamin D to Reduce COVID-19 HospitalizationsWithdrawnNCT04363840Phase 2
- Pharmacologic Ascorbic Acid as an Activator of Lymphocyte Signaling for COVID-19 TreatmentStatus unknownNCT04363216Phase 2
- Lipid Peroxidation and Options Antioxidant Therapy for Secondary Lymphedema of the Lower ExtremitiesCompletedNCT04360889Phase 4
- Vitamin D Supplementation in ConscriptsCompletedNCT04359524Not applicable
- Vitamin D as a Key Player in Rheumatoid ArthritisCompletedNCT04344405Phase 3
- Coronavirus 2019 (COVID-19)- Using Ascorbic Acid and Zinc SupplementationCompletedNCT04342728Not applicable
- Vitamin D on Prevention and Treatment of COVID-19Status unknownNCT04334005Not applicable
- Use of Ascorbic Acid in Patients With COVID 19Status unknownNCT04323514Not applicable
- Coral Calcium's Effect on Bone Density in Postmenopausal Women With and Without IbandronateCompletedNCT04321837Phase 2
- Influence of Hesperidin and Vitamin C on Uric Acid ConcentrationCompletedNCT04316390Not applicable
- The Effect of Platelet-Rich Plasma-Fibrin Glue in Combination With Vitamin E and C for Treatment of Non-healing Diabetic Foot UlcersStatus unknownNCT04315909Phase 2/3
- Observation of the Effect of Vitamin D Supplementation on Chronic Course of Patients With Ulcerative Colitis Based on Vitamin D Receptor Fok I Gene PolymorphismStatus unknownNCT04309058Early Phase 1
- Exploring the Effects of Vitamin D Supplementation on the Chronic Course of Patients With Crohn's Disease With Vitamin D DeficiencyStatus unknownNCT04308850Early Phase 1
- Vitamin D Oral Gel for Prevention of Radiation Induced Oral MucositisStatus unknownNCT04308161Phase 2
- Different Treatment Modalities in the Management of the Painful Crisis in Pediatric Sickle- Cell AnemiaCompletedNCT04301336Phase 2/3
- Two Low Volume Regimens for Colorectal Cancer Screening ColonoscopyCompletedNCT04297423Phase 4
- Vitamin D in PregnancyStatus unknownNCT04291313Not applicable
- The Clinical Effect of Vitamin K Administration in Type 2 Diabetic PatientsCompletedNCT04285450Not applicable
- Adjuvant Effects of Vitamin A and Vitamin D Supplementation on Treatment of Children With ADHDStatus unknownNCT04284059Phase 4
- PRagmatic Analysis of Vitamin D in ANCA-Associated VasculitisCompletedNCT04280601Not applicable
- Topical Vitamin C for Treatment of Basal Cell CancerCompletedNCT04279535Early Phase 1
- Trial of High-Dose Vitamin D in the Treatment of Complicated Severe Acute MalnutritionCompletedNCT04270643Phase 2
- Vitamin C Infusion for the Treatment of Severe 2019-nCoV Infected PneumoniaTerminatedNCT04264533Phase 2
- Vitamin C for the Prevention of UTI in Women Who Undergo Elective Gynecological SurgeriesWithdrawnNCT04261036Early Phase 1
- Short Term Cardiovascular Effects and Oxidative Status of Calcium and Vitamin D Supplementation of Postmenopausal Hypertensive Blacks WomenCompletedNCT04255992Phase 4
- Efficacy and Safety of JMT103 in Patients With Giant Cell Tumor of BoneStatus unknownNCT04255576Phase 1/2
- Effects of Fhytomenadione on Coronary Artery Calcification of Hemodialysis PatientsCompletedNCT04247087Not applicable
- Tocotrienol and Bevacizumab in Metastatic Colorectal CancerActive, not recruitingNCT04245865Phase 2
- Adjunctive Treatment With Vitamin D3 in Patients With Active IBDSuspendedNCT04225819Not applicable
- Effect of Anti-inflammatory and Anti-microbial Co-supplementations in Traumatic ICU Patients at High Risk of SepsisCompletedNCT04216459Not applicable
- Preoperative Hypocalcaemia, a Comparative Clinical TrialCompletedNCT04212533Not applicable
- The Impact of Vitamin C on Postoperative Acute Kidney Injury in Risk Patients Undergoing Valvular Heart SurgeryStatus unknownNCT04210453Phase 4
- Assessment of Gastric pH Changes Induced by Ascorbic Acid TabletsCompletedNCT04199624Phase 1
- Vitamin C, Thiamine, Cyanocobalamine, Pyridoxine and Hydrocortisone in SepsisCompletedNCT04197115Phase 3
- Biological Effect of Vitamin D in Patients With Urothelial CarcinomaCompletedNCT04197089Phase 4
- An Investigator Initiated Prospective, Four Arms Randomized Comparative Study of Efficacy and Safety of Saroglitazar, Vitamin E and Life Style Modification in Patients With Nonalcoholic Fatty Liver Disease (NAFLD)/ Non-alcoholic Steatohepatitis (NASH)Status unknownNCT04193982Phase 3
- Effect of Escalating Oral Vitamin D Replacement on HOMA-IR in Vitamin D Deficient Type 2 DiabeticsCompletedNCT04183257Phase 4
- Bevacizumab and Tocotrienol in Recurrent Ovarian CancerCompletedNCT04175470Phase 2
- Pilot Study- Treat to Target Vitamin D in End Stage Renal DiseaseWithdrawnNCT04167111Not applicable
- Protective Role of Vitamin D in Breast Cancer Patients Treated With DoxorubicinCompletedNCT04166253Phase 2
- Therapy With Hydrocortisone, Ascorbic Acid, Thamine in Patients With SepsisCompletedNCT04160676Not applicable
- Role of Ascorbic Acid Infusion in Critically Ill Patients With Transfusion Related Acute Lung InjuryCompletedNCT04153487Phase 2
- 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
- The Efficacy and Safety of Vitamin E Mixed Tocotrienols In Patients With Amyotrophic Lateral Sclerosis (ALS)Status unknownNCT04140136Phase 2
- VItamin C in Thermal injuRY: The VICToRY TrialSuspendedNCT04138394Phase 3
- Effect of Intravenous Vitamin C on SOFA Score Among Septic PatientsCompletedNCT04137276Not applicable
- Effect of Low Doses of Vitamin C on Salivary Cortisol , Heart Rate , Blood Pressure During Group PresentationCompletedNCT04135378Phase 4
- the Effect of Vitamin D in Crohn's DiseaseStatus unknownNCT04134065Early Phase 1
- Efficacy and Safety of Vitamin A Treatment for Children With SepsisStatus unknownNCT04127968Not applicable
- Vitamin D Supplementation in Knee OsteoarthritisCompletedNCT04121533Not applicable
- 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
- Vit D Role in Post Thyroidectomy HypocalcemiaStatus unknownNCT04094493Early Phase 1
- Compare Effects of EpiCor and Vitamin C to Vitamin C Alone on the Common Cold or Influenza in Healthy ChildrenCompletedNCT04093206Not applicable
- Vitamin D Supplementation to Correct the Vitamin D Deficiency for Breast CancerCompletedNCT04091178Phase 2
- High-dose Intravenous Vitamin C as an Adjunctive Treatment for Sepsis in RwandaWithdrawnNCT04088591Phase 3
- Vitamin D and Pregnancy Outcome in PCOS PatientsCompletedNCT04082650Not applicable
- Iron Supplementation in Hip/Knee SurgeryCompletedNCT04078880Not applicable
- Influence of High Vitamin C Dose on Lactate During and After Extracorporeal CirculationCompletedNCT04046861Not applicable
- The Effectiveness of High-dose Intravenous Vitamin c With Very Low Carbohydrate Diet for Terminal Colon Cancer PatientsStatus unknownNCT04035096Phase 1/2
- High Dose of Vitamin C on Mechanically Ventilated Septic Patients in Intensive Care UnitCompletedNCT04029675Not applicable
- 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
- Vitamin D for Polycystic Ovary Syndrome Clomiphene Resistant WomenCompletedNCT04010942Phase 4
- Effect of Vitamin d and Omega 3 on OsteocalcinCompletedNCT04005612Not applicable
- Efficacy of Fractional CO2 Laser as a Mono- or Adjuvant Therapy for Alopecia AreataStatus unknownNCT04003376Phase 4
- Targeting ER Stress in Vascular DysfunctionTerminatedNCT04001647Early Phase 1
- The Effect of Combination of Vitamin A, Vitamin E, Sodium Hyaluronate 0.15% Eye Drop Compared With Sodium Hyaluronate 0.1% Eye Drop to Tear Film Stability and Conjunctival Goblet Cells Density in Patient With Non-Proliferative Diabetic Retinopathy (NPDR), and Proliferative Diabetic Retinopathy (PDR)Status unknownNCT04000789Not applicable