Not applicableWithdrawnNCT05122481What this trial is testingVitamin C 4 Care HomesWho this might be right forHypovitaminosisVitamin C Abnormal University of Aberdeen
Not applicableStudy completedNCT04886752What this trial is testingThe Effect of Liposome Vitamin C on the Absorption and Metabolism of the Human Body.Who this might be right forVitamin C Deficiency TCI Co., Ltd. 11
Not applicableStudy completedNCT00570895What this trial is testingEffect of Vitamin C on Iron AbsorptionWho this might be right forIron Deficiency Baylor College of Medicine 22
Not applicableNot Yet RecruitingNCT06876545What this trial is testing"Vitamin C Deficiency in Hospitalized Adults: Systematic Screening Vs. Traditional Judgment - a Before-and-After Observational Study"Who this might be right forScurvy Internist.Ro 150
Not applicableLooking for participantsNCT06822062What this trial is testingEffect of Chitin and Ascorbic Acid on Dietary Insect Iron AbsorptionWho this might be right forIron Deficiency (Without Anemia) Swiss Distance University of Applied Sciences 25
Not applicableUnknownNCT02838472What this trial is testingAscorbic Acid Treatment in Congenital Glucocorticoids and Mineralocorticoids Deficiency Due to NNT MutationWho this might be right forGlucocorticoids Deficiency Hadassah Medical Organization 3
Not applicableLooking for participantsNCT06012760What this trial is testingThe Effect of Combined Iron Protocols on Perioperative Allogeneic TransfusionWho this might be right forAnemiaIron Deficiency AnemiaPerioperative+2 more Second Affiliated Hospital, Zhejiang University, School of Medicine 400
Not applicableWithdrawnNCT00037063What this trial is testingSee if Certain Antioxidants and Vitamins Will Keep Lactate Levels Down in Patients Taking Anti-HIV DrugsWho this might be right forHIV Infections National Institute of Allergy and Infectious Diseases (NIAID)
Large-scale testing (Phase 3)Study completedNCT01160198What this trial is testingDemonstrate the Efficacy and Tolerability of Ferrous Bisglycinate Chelate in Iron Deficiency Anaemia and to Compare These With Those of Ferrous Ascorbate.Who this might be right forHaematopoiesis GlaxoSmithKline 271
Not applicableStudy completedNCT06096103What this trial is testingA Clinical Study to Check the Safety and Effectiveness of Botanical Extract Standardized for Iron + Vitamin C and Botanical Extract Standardized for Iron in Adult Human Subjects with Anemia or Iron-deficiency AnemiaWho this might be right forAnemia, Iron Deficiency NovoBliss Research Pvt Ltd 96
Testing effectiveness (Phase 2)Study completedNCT00532844What this trial is testingA Phase 2, Pharmacokinetic (PK) Study of 6R-BH4 Alone or 6R-BH4 With Vitamin C in Subjects With Endothelial DysfunctionWho this might be right forEndothelial Dysfunction BioMarin Pharmaceutical 52
Testing effectiveness (Phase 2)Study completedNCT00921622What this trial is testingVitamin Deficiency and Blood Pressure in Hospitalized Jewish General Hospital (JGH) PatientsWho this might be right forVitamin C DeficiencyVitamin D Deficiency Jewish General Hospital 50
Not applicableUnknownNCT06303531What this trial is testingEfficacious Iron for Iron Deficiency Anemia in Adults Aged ≥18 YearsWho this might be right forIron Deficiency Anemia Dr. Anil K. Gupta Medicine Professional Corporation 111
Not applicableStudy completedNCT01191463What this trial is testingThe Efficacy of a Local Vitamin-C Rich Fruit (Guava) in Improving Iron Absorption From Mungbean Based Meals and Its Effect on Iron Status of Rural Indian Children (6-10 Years)Who this might be right forIron DeficiencyAnemia Wageningen University 300
Testing effectiveness (Phase 2)Study completedNCT01630720What this trial is testingVitamin Therapy in JGH PatientsWho this might be right forPatients With Hypovitaminosis C and DVitamin Deficiencies Jewish General Hospital 88
Post-approval studies (Phase 4)WithdrawnNCT04770701What this trial is testingProtect and Improve Cluster of Differentiation 4 (CD4) Cells and B Cells LymphocytesWho this might be right forHIV-1-infectionAIDS Trieu, Nguyen Thi, M.D.
Not applicableLooking for participantsNCT06983847What this trial is testingA Long-term Observational Study to Describe the Use of Vitamin-C Injektopas® 7.5 g in Patients With Vitamin C DeficiencyWho this might be right forDeficiency, Vitamin CChronic DiseaseAcute Disease Pascoe Pharmazeutische Praeparate GmbH 1,000
Not applicableLooking for participantsNCT05353348What this trial is testingEffect of the Combined Programme on Perioperative Anaemia（CPPA）Who this might be right forPatient Blood ManagementCardiac SurgeryIron Deficiency Anemia Second Affiliated Hospital, Zhejiang University, School of Medicine 110
Not applicableActive Not RecruitingNCT06395259What this trial is testingObservational Study on the Variation of Ascorbic Acid in Patients Undergoing Solid Organ TransplantationWho this might be right forTransplantationAscorbic Acid Deficiency Policlinico Hospital 40
Very early researchUnknownNCT05009355What this trial is testingThe Effect of Vitamin C on GCF Total Oxidant Capacity in Smoker Patients With PeriodontitisWho this might be right forVitamin C Deficiency Cairo University 40