Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jul 23, 2026, 4:45 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 227 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Antioxidant Clear all
Completed Not applicable Interventional Accepts healthy volunteers

The Long-term Effects of Oceanix™ on Resistance Training Adaptations

NCT04136821
View directory record Official record
Conditions
Oxidative Stress, Muscle Strength, Resistance Training, Body Composition, Muscle Damage
Interventions
Oceanix, Resistance Training
Dietary Supplement · Other
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
18 Years to 45 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Feb 26, 2020 · Synced Jul 23, 2026, 4:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Role of Flavanols in Exercise and Aging

NCT01557738
View directory record Official record
Conditions
Aging
Interventions
High Flavanol Trial, Low Flavanol Trial, High Flavanol Trial; long-term, Low Flavanol Trial; long-term effects
Dietary Supplement
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 24, 2014 · Synced Jul 23, 2026, 4:45 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 3, 2021 · Synced Jul 23, 2026, 4:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Purple Grape Juice Study

NCT00551746
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Purple Grape Juice
Dietary Supplement
Lead sponsor
Intermountain Health Care, Inc.
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Murray, Utah
Source: ClinicalTrials.gov public record
Updated Sep 15, 2011 · Synced Jul 23, 2026, 4:45 PM EDT
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 28, 2023 · Synced Jul 23, 2026, 4:45 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Alpha-lipoic Acid/L-acetyl Carnitine for Progressive Supranuclear Palsy

NCT01537549
View directory record Official record
Conditions
Progressive Supranuclear Palsy
Interventions
alpha-lipoic acid and L-acetyl carnitine
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
40 Years to 75 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Jul 23, 2026, 4:45 PM EDT
Active, not recruiting No phase listed Observational

Role of ROS and cAMP-PKA Biomarkers in ADPKD

NCT07217158
View directory record Official record
Conditions
Autosomal Dominant Polycystic Kidney Disease
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
15 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 26, 2025 · Synced Jul 23, 2026, 4:45 PM EDT
Completed Not applicable Interventional

Skin and Serum Carotenoids in Preterm Infants Fed on a Formula Supplemented With Carotenoids

NCT00872664
View directory record Official record
Conditions
Retinopathy of Prematurity
Interventions
carotenoids
Dietary Supplement
Lead sponsor
University of Utah
Other
Eligibility
Up to 21 Days
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 3, 2013 · Synced Jul 23, 2026, 4:45 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Improving Exercise Rehabilitation Efficacy Outcomes Veterans Peripheral Artery Disease

NCT05648630
View directory record Official record
Conditions
Peripheral Artery Disease (D058729), Oxidative Stress (D018384), Inflammation (D007249)
Interventions
PB125, Placebo, Exercise Rehabilitation
Dietary Supplement · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
2
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 9, 2025 · Synced Jul 23, 2026, 4:45 PM EDT
Completed Phase 1Phase 2 Interventional

Safety and Efficacy of an Antioxidant-rich Multivitamin Supplement in Cystic Fibrosis

NCT01018303
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
AquADEK
Dietary Supplement
Lead sponsor
University of Colorado, Denver
Other
Eligibility
10 Years to 40 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 14, 2012 · Synced Jul 23, 2026, 4:45 PM EDT
Terminated Phase 1 Interventional

A Phase I Study of Inhaled Sodium Pyruvate for the Treatment of Cystic Fibrosis.

NCT00332215
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Inhaled Sodium Pyruvate
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 30, 2008 · Synced Jul 23, 2026, 4:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Absorption, Metabolism, and Excretion of (-)-[2-14C]Epicatechin in Humans

NCT01969994
View directory record Official record
Conditions
ADME
Interventions
Controlled dietary background, (-)-[2-14C]epicatechin intake
Other
Lead sponsor
The Institutes for Pharmaceutical Discovery, LLC
Industry
Eligibility
18 Years to 50 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 24, 2013 · Synced Jul 23, 2026, 4:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Antioxidants on Cardiovascular Risk Measures (Spice Study)

NCT00954902
View directory record Official record
Conditions
Cardiovascular, Psychological Stress
Interventions
High Antioxidant Spice Blend, Trier Psychological Stressor, Placebo antioxidant concentrate
Dietary Supplement · Behavioral · Other
Lead sponsor
Penn State University
Other
Eligibility
30 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 24, 2018 · Synced Jul 23, 2026, 4:45 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Rapid Effects of a Biofield Patch on Antioxidant Status and Cellular Energy

NCT07314359
View directory record Official record
Conditions
Antioxidant Status
Interventions
Active dermal patch, Placebo dermal patch
Other
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 1, 2026 · Synced Jul 23, 2026, 4:45 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Oral Supplement Containing L-Histidine and Antioxidants on the Skin Barrier Function and Systemic Inflammation in Rosacea

NCT06072066
View directory record Official record
Conditions
Rosacea, Systemic Inflammation
Interventions
Skin Barrier Oral Supplement
Dietary Supplement
Lead sponsor
Integrative Skin Science and Research
Industry
Eligibility
30 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Aug 26, 2024 · Synced Jul 23, 2026, 4:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Benefits of Eggs in Combination With a Plant-based Diet

NCT04234334
View directory record Official record
Conditions
Coronary Artery Disease, Diabetes, Metabolic Syndrome
Interventions
Consume 2 eggs with spinach per day, Egg Subsitute with spinach per day
Other
Lead sponsor
University of Connecticut
Other
Eligibility
35 Years to 70 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 2, 2022 · Synced Jul 23, 2026, 4:45 PM EDT
Completed Not applicable Interventional

CoQ10 Biomarker Trial

NCT01408680
View directory record Official record
Conditions
Oxidative Stress, Inflammation, Endothelial Dysfunction
Interventions
Coenzyme Q10, Placebo
Dietary Supplement
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 85 Years
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 3, 2014 · Synced Jul 23, 2026, 4:45 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 30, 2020 · Synced Jul 23, 2026, 4:45 PM EDT
Withdrawn Phase 2 Interventional

Melatonin Supplementation to Improve Sleep in Patients With Heart Failure

NCT00869869
View directory record Official record
Conditions
Heart Failure, Sleep Disorders
Interventions
melatonin, placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
35 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 18, 2018 · Synced Jul 23, 2026, 4:45 PM EDT
Completed Phase 2 Interventional

Effects of Herbal Antioxidants on Cardiovascular Disease in Older Blacks

NCT00010725
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
MAK, Vitamin Supplements
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
60 Years and older
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Fairfield, Iowa
Source: ClinicalTrials.gov public record
Updated Jan 11, 2010 · Synced Jul 23, 2026, 4:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study for the Liquid Chromatography-mass Spectrometry (LC-MS/MS) Assessment of Oxidative DNA Damage in Relation to Antioxidant Usage

NCT01038024
View directory record Official record
Conditions
Cancer
Interventions
1 tablet composed of antioxidants and minerals
Dietary Supplement
Lead sponsor
Roswell Park Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Mar 7, 2013 · Synced Jul 23, 2026, 4:45 PM EDT
Not listed Not applicable Interventional

Prospective Study of Adjunctive Carotenoids Plus Anti-oxidants in Anti-VEGF Treated Diabetic Macular Edema

NCT03866005
View directory record Official record
Conditions
Center-involved Diabetic Macular Edema (CI-DME)
Interventions
Diabetes Visual Function Study (DiVFuSS) softgels, canola oil placebo softgels, 2 per day
Dietary Supplement · Other
Lead sponsor
ZeaVision, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
2
States / cities
Olympia, Washington • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jul 1, 2020 · Synced Jul 23, 2026, 4:45 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Watermelon on Cardiometabolic Health

NCT07006636
View directory record Official record
Conditions
Cardiometabolic Health Indicators, Whole-body Antioxidant Capacity
Interventions
Watermelon Juice + liquid meal test at baseline, Sweetened placebo beverage +liquid meal test at baseline
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Jul 23, 2026, 4:45 PM EDT
Withdrawn Not applicable Interventional

A Study to See if Certain Antioxidants and Vitamins Will Keep Lactate Levels Down in Patients Taking Anti-HIV Drugs

NCT00037063
View directory record Official record
Conditions
HIV Infections
Interventions
Thiamine hydrochloride, Riboflavin, Ascorbic acid, Vitamin E
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
4
States / cities
Denver, Colorado • Cleveland, Ohio • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 3, 2015 · Synced Jul 23, 2026, 4:45 PM EDT