Vitamins: all 2,138 studies that test it
Page 2 of 22. Open to participants first (190), then studies with results posted, then the rest; newest registration first within each.
- Intravenous Ascorbate Plus Gemcitabine/Carboplatin: a Novel and Cost-Effective Alternative with Evident Efficacy in Patients with Muscle Invasive Bladder CancerRecruitingNCT06493370Phase 2
- Effect of Vitamin D Supplementation on Mental Health: An Exploratory Study on A University Students Suffering From Vitamin D DeficiencyNot yet recruitingNCT06458686Phase 1/2
- Vitamin A Supplementation in Allogeneic Stem Cell Transplantation.RecruitingNCT06450925Phase 2
- Evaluation of Ascorbate-Meglumine Therapeutic for SRSEnrolling by invitationNCT06433791Phase 1
- Effect of Vitamin C on Postoperative Pulmonary Complications After Intracranial Tumor SurgeryNot yet recruitingNCT06421688Phase 2
- Combination of Vitamin C and N-Acetylcysteine to Improve Functional Outcome After Rotator Cuff RepairNot yet recruitingNCT06384833Phase 4
- Analgesic Effect of Melatonin and Vitamin C Administration, Alone or In Combination in Major Abdominal Surgery.Not yet recruitingNCT06374771Not applicable
- Effect of Intravenous Vitamin C on Intrapartum Maternal Fever After Epidural Labor AnalgesiaRecruitingNCT06354582Phase 4
- Efficacy and Safety of Topical Vitamin D Analogue in Treatment of Female Pattern Hair LossRecruitingNCT06333600Phase 1/2
- Vitamin D With Omega-3 or Metformin in OsteoarthritisNot yet recruitingNCT06328426Not applicable
- Combined Microneedling With Either 1% Lactic Acid Solution or Vitamin D3 or Triamcinolone Acetonide in The Treatment of Alopecia AreataRecruitingNCT06327581Not applicable
- Effect of Vitamin C on Pain Reduction After an Emergency Department VisitRecruitingNCT06306183Not applicable
- Efficacious Iron for Iron Deficiency Anemia in Adults Aged ≥18 YearsEnrolling by invitationNCT06303531Not applicable
- Effects of Vitamin C on Skeletal MuscleNot yet recruitingNCT06262711Not applicable
- REstoration of VItamin D in Pulmonary Arterial HypertensionNot yet recruitingNCT06258850Phase 4
- Vitamin D Treat-to-Target Strategy for Children With Overactive Bladder-WetRecruitingNCT06201013Not applicable
- The High Initial Dose of Monitored Vitamin D Supplementation in Preterm Infants.Not yet recruitingNCT06199102Not applicable
- Vitamin D Supplementation in Pediatrics. Oral or Parenteral! D2 or D3Not yet recruitingNCT06176157Phase 4
- 2D/3D Imaging to Analyze the Regeneration Rate of Autologous BoneRecruitingNCT06141239Not applicable
- The Impact of Vitamin D Supplementation on Pregnant Women With the Risk of GDMNot yet recruitingNCT06139133Not applicable
- Cholecalciferol and Calcifediol Are Both Useful to Improve Vitamin D Serum LevelsRecruitingNCT06138249Not applicable
- Perioperative Vitamin C to Reduce Persistent Pain After Total Knee ArthroplastyRecruitingNCT06123715Phase 2
- Epigenetic Memory of Vitamin D SupplementationRecruitingNCT06104111Phase 1
- Effect of Vitamin D Supplementation on Allostatic Load and Chronic Stress Along Line of Control in Azad Jammu KashmirNot yet recruitingNCT06101589Not applicable
- Use of Vitamin D as An Adjuvant Treatment in Children With Chronic Idiopathic Thrombocytopenic PurpuraNot yet recruitingNCT06073925Early Phase 1
- Estimation of the Dietary Requirement for Vitamin D in Ethnic GroupsRecruitingNCT06067477Not applicable
- Intralymphatic Immunotherapy Enhanced by Vitamin-D, a Randomized Placebo-controlled Trial and Comparison With SLITRecruitingNCT06061848Phase 2/3
- The Effect of Exercise and Presleep Nutrition on Muscle Connective Tissue RemodellingRecruitingNCT06054620Not applicable
- The Role of Vitamin D in Neuroinflammatory on Drug Resistant EpilepsyRecruitingNCT06053281Early Phase 1
- Efficacy of Injectable Vitamin D Supplementation in Females With Polycystic Ovary SyndromeRecruitingNCT06045351Phase 1
- Vitamin C to Quality of Life in Patients With Terminal Stage Pancreatic CancerRecruitingNCT06018896Phase 2
- Vitamin C and Zinc in Patients With Enterocutaneous Fistulas.RecruitingNCT06009744Not applicable
- The Effectiveness of Vitamin D Supplementation in Patients With End-stage Knee OsteoarthritisRecruitingNCT05981534Not applicable
- Effect of Supplementation With ω-3 Fatty Acids, Vitamin D and Calcium in Patients With Acute Lymphoblastic Leukemia.RecruitingNCT05950204Not applicable
- Role of Vitamin K2 in Chronic Kidney DiseaseRecruitingNCT05942053Phase 4
- Early Vitamin D3 Supplementation for Critically Ill PatientsRecruitingNCT05937789Not applicable
- Using Acetylcysteine and Vitamin E With Psoriasis VulgarisRecruitingNCT05906498Phase 3
- Role of Vitamin D Supplementation as an Adjuvant Therapy inTreatment of Helicobacter Pylori in ChildrenNot yet recruitingNCT05879237Not applicable
- Precision Medicine and Physical FunctionRecruitingNCT05877846Not applicable
- Clinical Trial of Vit D and Calcium for Recurrent BPPVNot yet recruitingNCT05863949Not applicable
- Oral Vitamin D Supplementation Prevent Peritoneal Dialysis-related PeritonitisRecruitingNCT05860270Phase 4
- Vitamin D Supplementation in Episodic and Chronic Tension-type HeadacheRecruitingNCT05860062Not applicable
- Vit D and Peripheral Neuropathy in Taxane Naive PatientsNot yet recruitingNCT05852496Phase 2
- VitD3 Supplementation in Patients With Multiple MyelomaRecruitingNCT05846880Early Phase 1
- Vitamin D for Prostate Endocrine TherapyRecruitingNCT05838716Phase 3
- Effect of Vitamin C on Allergy Skin TestRecruitingNCT05810233Not applicable
- The PENTO Protocol in Medication-related Osteonecrosis of the JawRecruitingNCT05795647Phase 2
- Vitamin E Combined With Fruquintinib and Tislelizumab in Microsatellite Stabilized Metastatic Colorectal Cancer PatientsRecruitingNCT05771181Phase 2
- Effect of Vitamin C Supplementation in Patients With Primary HypothyroidismRecruitingNCT05733078Phase 2
- Effects of Vitamin D on the Behaviours, Mental, and Physical Health of PrisonersRecruitingNCT05724316Not applicable
- Early Blocking Strategy for Metachronous Liver Metastasis of Colorectal Cancer Based on Pre-hepatic CTC DetectionNot yet recruitingNCT05720559Phase 2
- Neutrophil Gelatinase-associated Lipocalin VS Vascular Calcification in Maintenance Hemodialysis PatientsRecruitingNCT05720273Phase 4
- Beneficial Effects of Vitamin D Combined With Oral Iron Supplementation in Patients With Chronic Heart Failure and Iron DeficiencyNot yet recruitingNCT05702970Phase 4
- Pilot Trial of Supplemental Vitamin A and NicotinamideRecruitingNCT05702398Early Phase 1
- Effect of Vitamin D Therapy in Autism Spectrum DisorderRecruitingNCT05595044Phase 1
- Evaluation of the Impact of a Dietary and Nutritional Intervention on Persistent Post-concussive SymptomsRecruitingNCT05589064Not applicable
- Vitamin D and Calcium Supplementation in Breast CancerRecruitingNCT05523609Phase 2/3
- The Role of Vitamin D3 Supplementation in Advanced Cancer Patients With PainRecruitingNCT05450419Not applicable
- Vitamin D for Critically Traumatic PatientsRecruitingNCT05449522Not applicable
- The Effects of Vitamin D Plus Omega-3 Polyunsaturated Fatty Acids in Patients With Episodic MigraineRecruitingNCT05449145Not applicable
- Vitamin D, Epigallocatechin Gallate, D-chiro-inositol and Vitamin B6 in Uterine FibroidRecruitingNCT05448365Not applicable
- A Trial to Compare Efficacy and Tolerability of Plenvu® and Picoprep® as Cleansing Agents Before ColonoscopyRecruitingNCT05436054Phase 4
- Effect of Collagen/Vitamin C in Jumper's Knee; a RCTRecruitingNCT05407194Not applicable
- Vitamin K2 and Muscle Weakness in Type 2 DiabetesRecruitingNCT05375630Not applicable
- Vitamin D to Improve Quadricep Muscle StrengthRecruitingNCT05174611Phase 2
- Immunological Effects of Vitamin D Replacement Among Black/African American Prostate Cancer PatientsRecruitingNCT05045066Early Phase 1
- Vitamin D in School ChildrenRecruitingNCT05018988Not applicable
- Better Evidence and Translation for CalciphylaxisRecruitingNCT05018221Phase 3
- The Thoracic Peri-Operative Integrative Surgical Care Evaluation Trial - Stage IIIRecruitingNCT04871412Phase 3
- Phase II Clinical Trial of Vitamin D3 for Reducing Recurrence of Recurrent Lower Urinary Tract InfectionsRecruitingNCT04859621Phase 2
- Maternal Stress on Human Milk and Infant OutcomesRecruitingNCT04821544Not applicable
- Total Post-thyroidectomy Hypocalcemia After Preoperative Cholecalciferol SupplementationRecruitingNCT04775381Phase 3
- Sympathetic-vascular Dysfunction in Obesity and Insulin Resistance (Vitamin C Study)RecruitingNCT04715022Phase 1/2
- Impact of Vitamin D Supplementation on the Rate of Pathologic Complete Response in Vitamin D Deficient PatientsRecruitingNCT04677816Phase 2
- Effect of Vitamin D on Ovulation Rate in Women With Polycystic Ovary SyndromeRecruitingNCT04650880Not applicable
- Prephase Treatment With Prednisone +/- Vitamin D Supplementation Followed by ImmunochemotherapyRecruitingNCT04442412Phase 3
- Evaluation of the Clinical and Psychological Impact of Vitamin D Replacement in Adolescent Females at Risk for Polycystic Ovarian Syndrome (PCOS)RecruitingNCT04355572Not applicable
- Trial of IV vs Oral Iron Treatment of Iron Deficiency Anemia in the Post-Operative Bariatric Surgical PatientRecruitingNCT04268849Phase 3
- Effect of Vitamin D Status and Repletion on Postoperative Total Joint Arthroplasty ComplicationsRecruitingNCT04229368Not applicable
- High Dose Vitamin C Combined With Metformin in the Treatment of Malignant TumorsRecruitingNCT04033107Phase 2
- Effects of VitamIN K2 and D3 supplementaTion on PET/MRI in Carotid Artery DiseaseNot yet recruitingNCT04010578Not applicable
- Combining Active and Passive DNA HypomethylationRecruitingNCT03999723Phase 2
- Single Versus Multi-Dose Oral and Intravenous Tranexamic Acid Patients at High Risk for Blood Transfusion After Spine SurgeryRecruitingNCT03849443Early Phase 1
- Vitamin D Homeostasis in SarcoidosisRecruitingNCT03621553Phase 4
- Ascorbic Acid and Chemotherapy for the Treatment of Relapsed or Refractory Lymphoma, CCUS, and Chronic Myelomonocytic LeukemiaRecruitingNCT03418038Phase 2
- VItamiN D treatIng Chronic heArT Failure (the Effect of Vitamin D Supplementation in Patients With Heart Failure)Not yet recruitingNCT03416361Not applicable
- Efficacy of Oral Ibandronate in OsteoporosisRecruitingNCT03186131Phase 2
- Oral Vitamin D Treatment for the Prevention of Hepatocellular CarcinomaNot yet recruitingNCT02779465Phase 4
- Randomized, Embedded, Multifactorial Adaptive Platform Trial for Community- Acquired PneumoniaRecruitingNCT02735707Phase 3
- Vitamin D in Patients With Stage I-III Colon Cancer or Resectable Colon Cancer Liver MetastasesRecruitingNCT02172651Early Phase 1
- Vitamin D3 Supplementation in Patients With HIV: Effects on Interleukin-6 Levels and CD4 CountsCompletedNCT07553052Not applicableResults posted
- Effect of Vitamin D as Adjuvant Therapy in Preterm Infants With Neonatal SepsisCompletedNCT07245277Phase 4Results posted
- HYPEROXIA Responses and ROSCompletedNCT05958303Not applicableResults posted
- Phase 3 Safety and Efficacy Study of CTAP101 Extended-release Capsules in Children With Secondary HyperparathyroidismTerminatedNCT05543928Phase 3Results posted
- Vitamin D to ENhance TraUma REcoveryCompletedNCT05458024Phase 2Results posted
- Immunonutrition for Diabetic Foot UlcersTerminatedNCT05281562Phase 2/3Results posted
- Low vs. Moderate to High Dose Vitamin D for Prevention of COVID-19CompletedNCT04868903Not applicableResults posted
- Vitamin E Dosing StudyCompletedNCT04801849Phase 2Results posted
- Dietary Supplements for COVID-19TerminatedNCT04780061Phase 3Results posted
- Mothers' Own Milk Optimization for Preterm Infants Project (MoMO PIP) Pilot StudyTerminatedNCT04629534Phase 4Results posted