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ClinicalTrials.gov public records Last synced Oct 2, 2026, 4:09 AM EDT

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Showing 25–48 of 65 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Intravenous vitamin C Clear all
Completed Phase 2 Interventional Results available

High Dose Vitamin C Intravenous Infusion in Patients With Resectable or Metastatic Solid Tumor Malignancies

NCT03146962
View directory record Official record
Conditions
Colorectal Cancer, Pancreatic Cancer, Lung Cancer
Interventions
Vitamin C
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
2
States / cities
Brooklyn, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated May 2, 2024 · Synced Oct 2, 2026, 4:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Assessment of Endogenous Oxalate Synthesis

NCT05229952
View directory record Official record
Conditions
Healthy, Kidney Stone, Obesity
Interventions
Low-oxalate controlled diet, Primed, continuous intravenous infusion of 13C2-oxalate
Dietary Supplement · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 75 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 13, 2025 · Synced Oct 2, 2026, 4:09 AM EDT
Terminated Not applicable Interventional

A Pilot Study of High-Dose, Intravenous Ascorbic Acid (Vitamin C) to Treat Hepatitis C

NCT01250743
View directory record Official record
Conditions
Hepatitis C
Interventions
ascorbic acid (vitamin C)
Dietary Supplement
Lead sponsor
Health Innovations, Frontier Research Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 18, 2011 · Synced Oct 2, 2026, 4:09 AM EDT
Completed Phase 2 Interventional Results available

Acetaminophen and Ascorbate in Sepsis: Targeted Therapy to Enhance Recovery

NCT04291508
View directory record Official record
Conditions
Acute Respiratory Distress Syndrome, Critical Illness, Respiratory Failure, Sepsis
Interventions
Intravenous Acetaminophen (room temperature), Intravenous Vitamin C (refrigerated), 5% Dextrose (room temperature), 5% Dextrose refrigerated
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
41
States / cities
Birmingham, Alabama • Tucson, Arizona • Fresno, California + 34 more
Source: ClinicalTrials.gov public record
Updated Sep 27, 2024 · Synced Oct 2, 2026, 4:09 AM EDT
Active, not recruiting Phase 2 Interventional

A Phase 2 Trial of High-Dose Ascorbate in Glioblastoma Multiforme

NCT02344355
View directory record Official record
Conditions
Glioblastoma Multiforme
Interventions
Temozolomide, radiation therapy, Ascorbic Acid
Drug · Radiation
Lead sponsor
Bryan Allen
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2028
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 2, 2026, 4:09 AM EDT
Terminated Phase 2 Interventional Results available

Pazopanib Hydrochloride With or Without Ascorbic Acid in Treating Patients With Kidney Cancer That Is Metastatic or Cannot Be Removed by Surgery

NCT03334409
View directory record Official record
Conditions
Clear Cell Renal Cell Carcinoma, Metastatic Clear Cell Renal Cell Carcinoma, Stage III Renal Cell Cancer AJCC v8, Stage IV Renal Cell Cancer AJCC v7, Unresectable Renal Cell Carcinoma
Interventions
Ascorbic Acid, Pazopanib Hydrochloride
Drug
Lead sponsor
Academic and Community Cancer Research United
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
5
States / cities
Peoria, Illinois • Urbana, Illinois • Rochester, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 31, 2022 · Synced Oct 2, 2026, 4:09 AM EDT
Terminated Phase 1 Interventional Results available

Safety & Efficacy Study of Gemcitabine...With High Dose IV Vit. C (HDIVC)

NCT01654861
View directory record Official record
Conditions
Metastatic Adenocarcinoma of the Pancreas
Interventions
Gemcitabine, Intravenous and oral Ascorbic Acid (Vitamin C)
Drug
Lead sponsor
Eastern Regional Medical Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 26, 2018 · Synced Oct 2, 2026, 4:09 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of Intravenous Ascorbic Acid

NCT01833351
View directory record Official record
Conditions
Safety and Pharmacokinetics of Intravenous Ascorbate
Interventions
IV Vitamin C
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
21 Years and older
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 6, 2015 · Synced Oct 2, 2026, 4:09 AM EDT
Terminated Phase 2 Interventional Results available

Pilot Trial of Intravenous Vitamin C in Refractory Non-Hodgkin Lymphoma (NHL)

NCT00626444
View directory record Official record
Conditions
Non-Hodgkin Lymphoma
Interventions
Intravenous vitamin C
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 16, 2025 · Synced Oct 2, 2026, 4:09 AM EDT
Completed Phase 1 Interventional

Intravenous Vitamin C in Combination With Standard Chemotherapy for Pancreatic Cancer

NCT00954525
View directory record Official record
Conditions
Metastatic Pancreatic Cancer
Interventions
Gemcitabine and Erlotinib, Intravenous Vitamin C
Drug · Dietary Supplement
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
Other
Eligibility
18 Years to 75 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 2, 2025 · Synced Oct 2, 2026, 4:09 AM EDT
Completed Phase 2 Interventional Results available

Vitamin C in Atrial Fibrillation Ablation

NCT03148236
View directory record Official record
Conditions
Atrial Fibrillation Ablation
Interventions
Vitamin C, Placebo
Drug · Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
21 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Oct 2, 2026, 4:09 AM EDT
Recruiting Phase 3 Interventional

Trial of IV vs Oral Iron Treatment of Iron Deficiency Anemia in the Post-Operative Bariatric Surgical Patient

NCT04268849
View directory record Official record
Conditions
Iron Deficiency Anemia
Interventions
Ferumoxytol, Saline, Ferrous sulfate tablets, Vitamin C
Drug
Lead sponsor
Auerbach Hematology Oncology Associates P C
Other
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 3, 2025 · Synced Oct 2, 2026, 4:09 AM EDT
Withdrawn Not applicable Interventional

The Effect of High Dose Vitamin C in Burn Patients

NCT00350077
View directory record Official record
Conditions
Burns
Interventions
Intravenous Vitamin C, Vitamin C
Drug
Lead sponsor
United States Army Institute of Surgical Research
Federal
Eligibility
18 Years to 72 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Fort Sam Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 20, 2011 · Synced Oct 2, 2026, 4:09 AM EDT
Completed Phase 1Phase 2 Interventional Results available

High Dose Ascorbate With Preoperative Radiation in Patients With Locally Advanced Soft Tissue Sarcomas

NCT03508726
View directory record Official record
Conditions
Soft Tissue Sarcoma
Interventions
Ascorbate
Drug
Lead sponsor
Mohammed Milhem
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 18, 2026 · Synced Oct 2, 2026, 4:09 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Administration of Intravenous Vitamin C in Novel Coronavirus Infection (COVID-19) and Decreased Oxygenation

NCT04357782
View directory record Official record
Conditions
COVID-19, Hypoxia
Interventions
L-ascorbic acid
Drug
Lead sponsor
Hunter Holmes Mcguire Veteran Affairs Medical Center
Federal
Eligibility
18 Years to 99 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 25, 2022 · Synced Oct 2, 2026, 4:09 AM EDT
Completed Phase 2 Interventional Results available

Therapeutic Use of Intravenous Vitamin C in Allogeneic Stem Cell Transplant Recipients

NCT03613727
View directory record Official record
Conditions
Lymphoid Leukemia, Myeloid Leukemia, Monocytic Leukemia, Myelodysplasia
Interventions
Intravenous (IV) and oral Vitamin C
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 77 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Nov 7, 2023 · Synced Oct 2, 2026, 4:09 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Arsenic Trioxide With Ascorbic Acid and Melphalan for Myeloma Patients

NCT00661544
View directory record Official record
Conditions
Multiple Myeloma, Stem Cell Transplantation
Interventions
Arsenic Trioxide, Melphalan, Ascorbic Acid
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
Up to 70 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 4, 2013 · Synced Oct 2, 2026, 4:09 AM EDT
Recruiting Phase 1 Interventional

SHARON: A Clinical Trial for Metastatic Cancer Using Chemotherapy and Patients' Own Stem Cells

NCT04150042
View directory record Official record
Conditions
Pancreatic Adenocarcinoma Metastatic, BRCA1 Mutation, BRCA2 Mutation, Pancreatic Acinar Cell Carcinoma, Pancreatic Ductal Adenocarcinoma, Pancreatic Cancer, Metastatic Pancreatic Cancer, Metastatic Pancreatic Ductal Adenocarcinoma, Breast Cancer Metastatic, Breast Cancer Stage IV, Pancreatic Cancer Stage IV, HER2-negative Breast Cancer, HER2 Negative Breast Carcinoma, Adenocarcinoma of the Breast, PALB2 Gene Mutation, Pancreas Cancer, Metastatic, Pancreas Cancer, Recurrent, Pancreas Cancer, Stage IV Pancreatic Cancer, Stage 4 Pancreatic Cancer
Interventions
Melphalan, BCNU, Vitamin B12B, Vitamin C, Autologous Hematopoietic Stem Cells
Drug · Device
Lead sponsor
General Oncology, Inc.
Industry
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2028
U.S. locations
2
States / cities
Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Oct 2, 2026, 4:09 AM EDT
Active, not recruiting Phase 2 Interventional Results available

A Phase 2 Study Adding Ascorbate to Chemotherapy and Radiation Therapy for NSCLC

NCT02905591
View directory record Official record
Conditions
Carcinoma, Non-Small-Cell Lung, Non-Small Cell Lung Cancer, Nonsmall Cell Lung Cancer, Non-Small-Cell Lung Carcinoma, NSCLC
Interventions
Radiation Therapy, Paclitaxel, Carboplatin, Ascorbic Acid
Drug
Lead sponsor
Joseph J. Cullen, MD, FACS
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2027
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Oct 2, 2026, 4:09 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Research Study of IV Vitamin C in Combination With Irinotecan vs Irinotecan Alone for Advanced Colorectal CA

NCT01550510
View directory record Official record
Conditions
Stage IV Colorectal Cancer
Interventions
Ascorbic Acid, Irinotecan
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 6, 2025 · Synced Oct 2, 2026, 4:09 AM EDT
Completed Phase 1 Interventional

Vitamin E Pharmacokinetics and Biomarkers in Normal and Obese Women

NCT00862433
View directory record Official record
Conditions
Diabetes, Fatty Liver, Obesity, Healthy Volunteers
Interventions
Alpha tocopherol, Vitamin E, Vitamin C
Drug · Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 55 Years · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 2, 2026, 4:09 AM EDT
Suspended Phase 3 Interventional

VItamin C in Thermal injuRY: The VICToRY Trial

NCT04138394
View directory record Official record
Conditions
Shock, Thermal Burn
Interventions
Ascorbic Acid, placebo
Drug
Lead sponsor
Clinical Evaluation Research Unit at Kingston General Hospital
Other
Eligibility
18 Years and older
Enrollment
666 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
10
States / cities
Phoenix, Arizona • Bridgeport, Connecticut • Washington D.C., District of Columbia + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 2, 2026, 4:09 AM EDT
Completed Phase 1 Interventional

New Treatment Option for Pancreatic Cancer

NCT01364805
View directory record Official record
Conditions
Pancreatic Cancer
Interventions
Intravenous Vitamin C, Gemcitabine
Drug
Lead sponsor
Jeanne Drisko, MD, CNS, FACN
Other
Eligibility
21 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 19, 2018 · Synced Oct 2, 2026, 4:09 AM EDT
Terminated Phase 1 Interventional Results available

High Dose Vitamin C in Cardiac Surgery Patients

NCT02762331
View directory record Official record
Conditions
Disorder of Vitamin C, Atrial Fibrillation, Complications Due to Coronary Artery Bypass Graft, Heart Valve Disease
Interventions
Ascorbic Acid, Placebo
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 70 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 24, 2019 · Synced Oct 2, 2026, 4:09 AM EDT