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ClinicalTrials.gov public records Last synced Oct 21, 2026, 6:30 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 32 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Chronic Antioxidant Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Guided Metabolic Detox Program

NCT06061289
View directory record Official record
Conditions
Detoxification Response
Interventions
SP Detox Program
Dietary Supplement
Lead sponsor
Standard Process Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Bloomington, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 29, 2023 · Synced Oct 21, 2026, 6:30 PM EDT
Completed Not applicable Interventional

Functional Medicine in Asthma (FAst) Study

NCT02808689
View directory record Official record
Conditions
Asthma
Interventions
Lifestyle Factors, Customized use of Dietary Supplements, Currently Accepted Asthma Care Guidelines
Behavioral · Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
19 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 1, 2021 · Synced Oct 21, 2026, 6:30 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Mechanisms for Vascular Dysfunction and Exercise Tolerance in CF

NCT02690064
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Oct 21, 2026, 6:30 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Long Term Nitric Oxide Bioavailability on Vascular Health in Chronic Obstructive Pulmonary Disease

NCT02774226
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Tetrahydrobiopterin (BH4), Antioxidant Cocktail
Drug · Dietary Supplement
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 23, 2021 · Synced Oct 21, 2026, 6:30 PM EDT
Completed Phase 1 Interventional

Safety, Metabolism, and Antioxidant Activity of Silymarin and Green Tea Extract in Patients With Chronic Hepatitis C

NCT01018615
View directory record Official record
Conditions
Chronic Hepatitis C, Oxidative Stress
Interventions
silymarin, green tea extract (EGCG)
Drug · Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 18, 2017 · Synced Oct 21, 2026, 6:30 PM EDT
Not listed Phase 2 Interventional

The Synergy Trial: Methylphenidate Plus a CFS-Specific Nutrient Formula as a Treatment for Chronic Fatigue Syndrome

NCT01966276
View directory record Official record
Conditions
Chronic Fatigue Syndrome (CFS), Myalgic Encephalomyelitis (ME)
Interventions
Methyl-P plus Nutrient Formula, Methyl-P plus Nutrient matched placebos
Drug
Lead sponsor
K-PAX Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 59 Years
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
4
States / cities
Stanford, California • Fort Lauderdale, Florida • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2014 · Synced Oct 21, 2026, 6:30 PM EDT
Completed Not applicable Interventional Results available

A Placebo-controlled Trial of Daliresp on Chronic Obstructive Pulmonary Disease (COPD)

NCT01572948
View directory record Official record
Conditions
COPD
Interventions
roflumilast, placebo
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
40 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 19, 2015 · Synced Oct 21, 2026, 6:30 PM EDT
Completed Not applicable Interventional

Effects of a Whole-food, Plant-based Nutrition Program on BP and Potassium in Subjects With CKD

NCT06343129
View directory record Official record
Conditions
Chronic Kidney Diseases
Interventions
Dietary education program
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
2
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Oct 21, 2026, 6:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Nitric Oxide Bioavailability in Chronic Obstructive Pulmonary Disease (COPD)

NCT01398943
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive
Interventions
Tetrahydrobiopterin (BH4), Antioxidant Cocktail
Drug · Dietary Supplement
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 11, 2017 · Synced Oct 21, 2026, 6:30 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Role of Endothelial Function in SCI CVD Risk

NCT06443151
View directory record Official record
Conditions
Spinal Cord Injuries, Cardiovascular Diseases, Endothelial Dysfunction
Interventions
Brachial intra-arterial infusion of vasoactive and antioxidant drugs (acetylcholine, nitroprusside, ascorbic acid), venous occlusion plethysmography, Acetylcholine, Sodium Nitroprusside, Ascorbic acid, venous phlebotomy
Procedure · Drug
Lead sponsor
Craig Hospital
Other
Eligibility
18 Years to 89 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Englewood, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 20, 2024 · Synced Oct 21, 2026, 6:30 PM EDT
Not listed Not applicable Interventional

Efficacy of Oxepa Enteral Feeding in LTAC (Long Term Acute Care Hospital) Patients on Chronic Ventilation- a Pilot Study

NCT02208700
View directory record Official record
Conditions
Acute Lung Injury, Mechanical Ventilation Complication, Dietary Modification
Interventions
Oxepa, Jevity 1.5
Other
Lead sponsor
Grace Hospital, Cleveland, Ohio
Other
Eligibility
19 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 5, 2014 · Synced Oct 21, 2026, 6:30 PM EDT
Not yet recruiting Phase 1Phase 2 Interventional

COQ10 and Vitamin E for Off-Target Radiation Toxicity

NCT07668284
View directory record Official record
Conditions
Prostate Cancer, Uterine Cancer, Cervical Cancer, Anal Cancer
Interventions
Coenzyme Q10 Cap/Tab, Vitamin E Cap/Tab
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 21, 2026, 6:30 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

: Vascular Function in Health and Disease

NCT02966665
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Pulmonary Artery Hypertension, Heart Failure, Hypertension
Interventions
Maximum Exercise Tests, BH4, L-NMMA, Vitamin C, Vitamin E, α-Lipoic Acid and L-Ascorbate, BQ-123, Fexofenadine, Ranitidine, Angiotensin-II, Valsartan, Acetylcholine, Sodium Nitroprusside, Angiotensin-II, Norepinephrine, Phentolamine, BQ-123, MitoQ, BH4
Other · Drug
Lead sponsor
D. Walter Wray
Other
Eligibility
18 Years and older
Enrollment
420 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2030
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 25, 2026 · Synced Oct 21, 2026, 6:30 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Culturally-relevant Micronutrient-dense Plant-rich (mNDPR) Dietary Intervention for Native Americans

NCT04755062
View directory record Official record
Conditions
Obesity, Blood Glucose, High
Interventions
Micronutrient-dense plant-rich Intervention
Behavioral
Lead sponsor
Northern Arizona University
Other
Eligibility
18 Years and older
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Flagstaff, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 14, 2024 · Synced Oct 21, 2026, 6:30 PM EDT
Completed Not applicable Interventional Results available

Nutrition and Aerobic Exercise in Chronic Stroke

NCT02043574
View directory record Official record
Conditions
Stroke
Interventions
Treadmill Exercise, Stretching (control)
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
20 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
2
States / cities
Baltimore, Maryland • San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 31, 2020 · Synced Oct 21, 2026, 6:30 PM EDT
Recruiting Phase 1 Interventional

Adia Med of Winter Park LLC Chronic Kidney Disease Research Study

NCT07572890
View directory record Official record
Conditions
Chronic Kidney Disease, Kidney Disease, Kidney Disease, Chronic, Chronic Kidney Disease (CKD), CKD
Interventions
Umbilical Cord Blood-Derived Stem Cells and Exosomes, Glutathione IV, Glutathione Spray, Placebo IV, Placebo Glutathione IV, Placebo Spray
Biological · Drug · Other
Lead sponsor
Adia Med of Winter Park LLC
Other
Eligibility
18 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Winter Park, Florida
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 21, 2026, 6:30 PM EDT
Terminated Early Phase 1 Interventional

Mitochondrial Derived Reactive Oxygen Species on Cardiovascular Health in Chronic Obstructive Pulmonary Disease (COPD)

NCT05605548
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
MitoQ, Placebo
Drug · Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
40 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 27, 2025 · Synced Oct 21, 2026, 6:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acquiring and Targeting Heat Exposures Necessary for Action

NCT05678738
View directory record Official record
Conditions
Heat Intolerance, Heat Stress, Fatigue; Heat
Interventions
Antioxidant Berry Supplementation, Acute and Chronic Exercise-Heat Stress, Placebo (non-juice) Supplementation
Dietary Supplement · Other
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 50 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Oct 21, 2026, 6:30 PM EDT
Completed Phase 2 Interventional Results available

Treatment Study of Carnosine Versus Placebo in Gulf War Illness (GWI)

NCT00810368
View directory record Official record
Conditions
Persian Gulf Syndrome
Interventions
Carnosine, Placebo
Drug
Lead sponsor
Georgetown University
Other
Eligibility
34 Years to 82 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 28, 2019 · Synced Oct 21, 2026, 6:30 PM EDT
Completed Phase 2 Interventional Results available

Trial of Nicotinamide Riboside and Co-enzyme Q10 in Chronic Kidney Disease

NCT03579693
View directory record Official record
Conditions
Chronic Kidney Disease, Sarcopenia, Frailty
Interventions
CoQ10, Nicotinamide riboside, Placebo
Dietary Supplement
Lead sponsor
University of Washington
Other
Eligibility
30 Years to 79 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 10, 2023 · Synced Oct 21, 2026, 6:30 PM EDT
Completed Not applicable Interventional

Effect of Grape Seed Extract Plus Ascorbic Acid on Endothelial Function

NCT00554242
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Grape seed extract and ascorbic acid
Dietary Supplement
Lead sponsor
Boston University
Other
Eligibility
21 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 18, 2009 · Synced Oct 21, 2026, 6:30 PM EDT
Completed Phase 2 Interventional

N-Acetylcysteine and Milk Thistle for Treatment of Diabetic Nephropathy

NCT00915200
View directory record Official record
Conditions
Diabetic Nephropathies, Proteinuria, Oxidative Stress
Interventions
N-acetylcysteine, silibin, high-dose silibin, N-acetylcysteine placebo, silibin placebo
Dietary Supplement
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 70 Years
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2016
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jun 27, 2016 · Synced Oct 21, 2026, 6:30 PM EDT
Not listed Phase 1 Interventional

Biofeedback and Hydrogen Water as Treatments for Chronic Fatigue Syndrome

NCT05397626
View directory record Official record
Conditions
Chronic Fatigue Syndrome
Interventions
Heart Rhythm Biofeedback, Hydrogen Water, Combined treatment: Heart rhythm biofeedback plus hydrogen water
Behavioral · Dietary Supplement · Combination Product
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years to 65 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated May 31, 2022 · Synced Oct 21, 2026, 6:30 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Linking Epidermal Barrier Function With Anti-Oxidant Defense Mechanisms in Skin Conditions

NCT03198390
View directory record Official record
Conditions
Atopic Dermatitis, Hidradenitis Suppurativa, Contact Dermatitis, Psoriasis
Interventions
Not listed
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 99 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 4, 2021 · Synced Oct 21, 2026, 6:30 PM EDT