Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 20, 2026, 6:46 PM EDT

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Showing 361–371 of 371 matching trials from the live ClinicalTrials.gov search.
Conditions
Acute Lung Injury, Sepsis
Interventions
Ascorbic Acid, Placebo: 5% Dextrose in water
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
5
States / cities
Atlanta, Georgia • Lexington, Kentucky • Cleveland, Ohio + 2 more
Conditions
Cancer
Interventions
Ascorbic Acid
Drug
Lead sponsor
Midwestern Regional Medical Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Zion, Illinois
Conditions
Frailty, Inflammation
Interventions
Epigallocatechin-3-Gallate (EGCG), Microcrystalline cellulose (MCC), Ascorbic Acid (Vitamin C)
Drug · Dietary Supplement
Lead sponsor
University of Rochester
Other
Eligibility
65 Years and older
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Rochester, New York
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Influence of Obesity on Endogenous Oxalate Synthesis

NCT03704350
Conditions
Kidney Stone
Interventions
controlled diet
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Completed Not applicable Interventional Accepts healthy volunteers

Gender, Obesity, C-Reactive Protein, and Oxidative Stress

NCT00079963
Conditions
Cardiovascular Disease
Interventions
Vitamin C, Vitamin E, Placebo
Dietary Supplement
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
396 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Berkeley, California
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Mechanisms for Vascular Dysfunction and Exercise Tolerance in CF

NCT02690064
Conditions
Cystic Fibrosis
Interventions
Acute Antioxidant, Chronic Antioxidant, Placebo
Dietary Supplement · Other
Lead sponsor
Augusta University
Other
Eligibility
7 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
Augusta, Georgia
Conditions
Bladder Cancer
Interventions
Intravenous ascorbic acid/vitamin C
Drug
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
2
States / cities
Iowa City, Iowa • Kansas City, Kansas
Conditions
Reperfusion Injury
Interventions
Ascorbic Acid, 5 % Dextrose Water or Normal Saline
Drug · Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
New Brunswick, New Jersey
Conditions
Intrauterine Growth Restriction
Interventions
Pomegranate Juice, Placebo
Dietary Supplement
Lead sponsor
Washington University School of Medicine
Other
Eligibility
Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
St Louis, Missouri
Completed Early Phase 1 Interventional

Exercise and NO in HFrEF

NCT03136029
Conditions
Heart Failure With Reduced Ejection Fraction
Interventions
Antioxidant, Tetrahydrobiopterin (BH4), Exercise training
Dietary Supplement · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Septic Shock
Interventions
Vitamin C, Normal saline
Drug
Lead sponsor
New York Presbyterian Brooklyn Methodist Hospital
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Brooklyn, New York