Vitamins: all 2,138 studies that test it
Page 1 of 22. Open to participants first (190), then studies with results posted, then the rest; newest registration first within each.
- Intra-articular Vitamin D3 Injection for Patients With Temporomandibular Joint OsteoarthritisEnrolling by invitationNCT07929103Not applicable
- Effect of Rutin and Vitamin C on Outcomes in Adults With Sepsis Admitted to the Intensive Care UnitRecruitingNCT07922213Not applicable
- Role of Vitamin D Supplementation in Children With Irritable Bowel SyndromeRecruitingNCT07914478Not applicable
- Effect of Vitamin D Supplementation Added to Iron Therapy in Children With Iron Deficiency AnemiaNot yet recruitingNCT07892170Not applicable
- COMPARISON OF TOPICAL VITAMIN C VS NIACINAMIDE IN TREATMENT OF MELASMANot yet recruitingNCT07890571Not applicable
- Effect of Vitamin D3 Supplementation on Serum Sphingosine-1-Phosphate Levels and Dental Implant Osseointegration: A Prospective StudyNot yet recruitingNCT07883811Not applicable
- Comparative Study of Combination Treatment of Bionerv E+ Versus Vitamin B Complex in Treatment of Diabetic Polyneuropathy in Type 2 Diabetic Patients and Its Effect on Wound HealingRecruitingNCT07877948Not applicable
- Rutin and Ascorbic Acid for Prevention of Vancomycin-Induced Nephrotoxicity in Adult Patients" - a Clinical Trial Protocol Evaluating Whether Combined Rutin/Vitamin C Supplementation Reduces Kidney Toxicity From Vancomycin, Compared to Vitamin C Alone and Control.Enrolling by invitationNCT07873372Not applicable
- Effect of Vitamin C Administration on Intraoperative Bleeding in Patients Undergoing SinusoscopyNot yet recruitingNCT07866274Phase 2
- Vitamin E Versus Silymarin in Non Diabetic MASLD PatientsNot yet recruitingNCT07863648Phase 3
- Injectable Platelet-Rich Fibrin and Microneedling With or Without Vitamin C for Gingival Phenotype Augmentation.Not yet recruitingNCT07848035Not applicable
- Multiple Adjunct Therapies to Improve Immunotherapy Treatment in Patients With Locally Advanced or Metastatic Melanoma or Advanced Hepatocellular CancerNot yet recruitingNCT07836712Phase 2
- Evaluating the Impact of Vitamin D Supplementation on Healing Bed Sores in ICU.RecruitingNCT07813975Not applicable
- Supplementation Absorption ComparisonRecruitingNCT07791797Phase 4
- Effect of Tocopherol and Ascorbic Acid on Neuroinflammation Markers Associated With Neuropeptide Expression in the AgRP/NPY and POMC Pathways in Mexican Population With ObesityNot yet recruitingNCT07782411Not applicable
- Vitamin E Add-On Therapy, Thyroid Function & Oxidative Stress in Levothyroxine-Treated HypothyroidismEnrolling by invitationNCT07781514Not applicable
- NCT + PD1 + Ketogenic Diet and/or Vitamin C for LARCNot yet recruitingNCT07765667Phase 2
- Antidepressant Therapy for Improved Blood Vessel Health After PreeclampsiaRecruitingNCT07715669Early Phase 1
- A Study of CA201A Eye Drops to Prevent Corneal Endothelial Cell Loss in Patients Undergoing Cataract SurgeryRecruitingNCT07694375Phase 2
- Effect of Systemic Vitamin D on Dental Implant OsseointegrationRecruitingNCT07684404Not applicable
- Effect of Co-enzyme Q10 and Vitamin C Alone or in Combination After a Surgical Gingival DepigmentationRecruitingNCT07677826Not applicable
- Vitamin D2 vs Vitamin D2 Plus Calcitriol in Cholestatic Children With Vitamin D DeficiencyRecruitingNCT07670611Phase 4
- The Efficacy of Vitamin D Supplementation to Sustain Performance OutcomesRecruitingNCT07654777Not applicable
- Vitamin D3 Supplementation Regimens and Preeclampsia RiskRecruitingNCT07648706Not 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
- High-Dose Vitamin C in G6PDA and Pyruvate Kinase Deficiency: A Safety StudyNot yet recruitingNCT07612345Phase 1
- COMPARISON OF THE EFFICACY BETWEEN PREOPERATIVE CALCIUM & VITAMIN D3 VERSUS CALCIUM SUPPLEMENTATION ALONE TO PREVENT POST OPERATIVE SYMPTOMATIC HYPOCALCEMIA AFTER TOTAL THYROIDECTOMY IN EUTHYROID PATIENTSNot yet recruitingNCT07597096Not applicable
- Gingival Hyperpigmentation TreatmentRecruitingNCT07595705Phase 2
- Comparing Three Rescue Bowel Preparation Regimens for Colonoscopy After Failed CleansingRecruitingNCT07557173Not applicable
- New Treatment of Common WartNot yet recruitingNCT07543926Not applicable
- Vitamin D Supplementation Among Pregnant Women in Uganda for the Prevention of Hypertensive Disorders in Pregnancy, and Other Adverse Maternal and Foetal OutcomesNot yet recruitingNCT07510568Phase 4
- Pharmacokinetics, Pharmacodynamics, Safety and Tolerability Evaluation of CTAP101 Extended-release Capsules in Pediatric ParticipantsRecruitingNCT07494045Phase 2
- Effect of Local Use of Vitamin D on the Rate of Canine Distillization: a Split Mouth Randomized Control TrialRecruitingNCT07479290Phase 1
- Renoprotective Role of Vitamin C and Coenzyme Q10 in NephrotoxicityNot yet recruitingNCT07476443Phase 2/3
- Vitamin D for Acute Intracerebral HemorrhageRecruitingNCT07458815Not applicable
- Vitamin D and Type 2 Diabetes - Treat-To-TargetRecruitingNCT07448974Phase 3
- Effect of Vitamin C on Length of Hospital Stay in Children With Severe PneumoniaRecruitingNCT07414693Phase 4
- Statin and Vitamin D Treatment in Patients With Thyroid Eye DiseaseRecruitingNCT07400757Not applicable
- The Impact of 12 Week Retention of Nutrients on Skin and the Perception of Physical Health StatusRecruitingNCT07383974Not applicable
- Effect of Vitamin A Supplementation on Idiopathic ScoliosisRecruitingNCT07335991Not applicable
- RCT - Efficacy of Intravenous Vitamin C Versus Placebo on Estimated Blood Loss in Total Abdominal HysterectomyEnrolling by invitationNCT07335432Not applicable
- Effect of Vitamin D and Branched-chain Amino Acids on Physical Performance and Biomarkers of Muscle Fatigue in RunnersNot yet recruitingNCT07334054Not applicable
- Rutin and Vitamin C in Patients With Metabolic Dysfunction-associated Steatotic Liver Disease (MASLD)Not yet recruitingNCT07310407Phase 2
- 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 D3 for Moderate to Mild Traumatic Brain Injury: A Randomized Trial on Inflammation and Recovery (VIMOT)RecruitingNCT07269457Phase 2
- Vitamin D Effects on Immune Microenvironment of Nonmelanoma Skin Cancer After Photodynamic Therapy (PDT)RecruitingNCT07241585Not applicable
- A Study to Investigate Bowel Cleansing With PLENVU® Compared to Sodium Picosulfate in Participants Aged 1 to < 18 Years of Age in Preparation for ColonoscopyRecruitingNCT07218523Phase 3
- The Role of Vitamin K2 in Preventing Glucocorticoid-Induced Bone Loss in Children With Nephrotic SyndromeRecruitingNCT07206537Not applicable
- Vitamin C With Steroids for Gastrointestinal GVHDNot yet recruitingNCT07197749Early Phase 1
- Vitamin C for Acute Kidney Injury in ACLF With Septic Shock: A Randomized Controlled TrialNot yet recruitingNCT07184866Not applicable
- High-dose Ascorbate (HDA) in Combination With Standard of Care Azacitidine and Venetoclax in Acute Myeloid Leukemia (AML)RecruitingNCT07177079Phase 1
- Effect of Vitamin D3 Supplementation on Brain Waves in Male Epileptic Patients With Hypovitaminosis DRecruitingNCT07096414Not applicable
- Effect of Vitamin D3 on Brain Waves in Male Parkinson's Patients With Low Vitamin D: A qEEG StudyRecruitingNCT07096336Not 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
- Efficacy of Microneedling With Vitamin C in Performing Gingival DepigmentationNot yet recruitingNCT07070024Phase 1/2
- Effect of Vitamin D on Crestal Bone Loss Around Immediate Implant After Mandibular Premolars and Molars ExtractionNot yet recruitingNCT07065877Not applicable
- ICOPE INTENSE-K Pilot StudyRecruitingNCT07048860Not applicable
- Bioavailability of Different Vitamin K Vitamers Studied Using 13C-labelled Vitamin K VitamersNot yet recruitingNCT07041645Not applicable
- Effect of Vitamin D3 Supplementation on Symptomatic Uterine Fibroid in Women With Vitamin D DeficiencyRecruitingNCT07012161Early Phase 1
- Dietary Supplements in Patients With Coronary Artery Bypass Grafting for Improving the Quality of Healthcare Delivery.Not yet recruitingNCT06995586Not applicable
- Vascular Function and Oxidative Stress in Emergency Medical RespondersRecruitingNCT06985394Not 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
- NR vs. Vitamin E in Enhancing FertilityNot yet recruitingNCT06950736Not applicable
- How Can Prefabricated Membranes Load Ascorbic Acid Can Curtail Gingival Recession?Not yet recruitingNCT06936592Not applicable
- The Effect of Vitamin E Supplementation on Hospital Stay Duration in Non-cyanotic Heart Disease Children With Lower Respiratory Tract InfectionsNot yet recruitingNCT06926712Phase 4
- Impact of Vitamin D Supplements on Mental Health and Milk Composition in Mothers Living in IdahoRecruitingNCT06919718Not applicable
- Reversing External-beam Radiotherapy-associated Fibrosis Syndrome: an Interventional Bayesian Adaptive Randomized-controlled Orphan Drug Platform Trial for Orodental Sequelae (Reverse-fibrose)RecruitingNCT06912763Phase 2
- Tranxemic Acid and Vitamin K Injection to Control Upper Gastrointestinal Bleeding in Cirrhotic PatientsRecruitingNCT06881628Phase 4
- A Pilot Study of Vitamin K2 (Menaquinone-7, Soloways ™) in Patients With Osteopenia/Osteoporosis Carrying a VDR Gene VariantRecruitingNCT06867952Not applicable
- Effects of Vitamin D3 and Yeast Beta-Glucan Supplementation on Glycemic Control and Cardiovascular Disease Risk in Patients With Type 2 DiabetesRecruitingNCT06861062Not applicable
- Analgesic and Anti-inflamatory Effect of Vit. BNot yet recruitingNCT06857734Not applicable
- Vitamin K and Cognition in Coronary Heart Disease (NutriCog)Not yet recruitingNCT06855953Not applicable
- Efficacy and Safety of Vitamin D Supplementation in Pediatric Patients with ObesityRecruitingNCT06847373Not applicable
- Prevention and Treatment for Bruises in Patients with Ischemic StrokeNot yet recruitingNCT06823999Phase 4
- Exploratory Study on the Role of Vitamin C in Promoting Health in Middle-Aged and Elderly AdultsRecruitingNCT06794255Not applicable
- Therapeutic Effect of Vitamin C Supplementation in Patients With Ovarian AgingNot yet recruitingNCT06794060Not applicable
- The Effect of VitC on IVF Outcome of DOR PatientsRecruitingNCT06794047Not applicable
- Effect of Vitamin C Supplementation in Corneal Endothelial Damage in Phacoemulsification of Patients with Hard CataractsRecruitingNCT06781970Not applicable
- DOVIPA, a Study Evaluating Efficacy and Safety of DOstarlimab and VItamin D3 With mFOLFIRINOX in PAncreatic CancerRecruitingNCT06757244Phase 2
- Study on the Improvement of Microcirculation in Patients With Sepsis by Vitamin B6, Vitamin B12 and Vitamin CRecruitingNCT06749756Not 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
- The Local Effect of Vitamin K2 on Bone Remodeling in Socket PreservationRecruitingNCT06707909Phase 4
- Evaluating the Pharmacokinetics of Oregano and Potential Oregano-drug Interactions Using a Drug Cocktail ApproachRecruitingNCT06693960Early Phase 1
- Vitamin C's Antioxidant Effects and COPD PrognosisNot yet recruitingNCT06664957Not applicable
- Effect of Vitamin D Supplementation on Chemotherapy Side Effects After Adjuvant Chemotherapy for Breast CancerRecruitingNCT06642441Not applicable
- Effect of Vitamin D Supplementation on the Efficacy and Adverse Effects of Neoadjuvant Therapy in Patients with Breast CancerRecruitingNCT06642428Not applicable
- Effect of Increasing Total Antioxidant Capacity in Autism Spectrum DisorderEnrolling by invitationNCT06623227Not applicable
- Vitamin D Supplementation in Breast Cancer PatientsNot yet recruitingNCT06596122Phase 2
- Effects of Vitamin D and Prebiotic Supplementation on Glucose Control During PregnancyRecruitingNCT06553729Not applicable
- Vitamin D Replacement in BronchiectasisRecruitingNCT06551337Phase 4
- Effects Of Vitamin D On Bone, Muscle, And Adipose Tissue In Obese SubjectsRecruitingNCT06508242Phase 4
- Vitamin A and D Supplementation in Allogeneic HCTRecruitingNCT06508099Phase 2
- Systemic Therapy of Open-label Prophylactic Pravastatin or Pentoxifylline/Tocopherol Prevention of Lymphedema Advancing to Eventual Fibrosis: an Interventional Registry-embedded Bayesian Randomized Trial for Radiation Sequelae (STOP4-LATE-FIBROSE)RecruitingNCT06494111Phase 2