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 come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.

Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Sep 30, 2026, 4:50 AM 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 29 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Quercetin (dietary supplement) Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Advancing Niacin by Inhibiting Flushing (ANTI-FLUSH)

NCT00913081
View directory record Official record
Conditions
Flushing
Interventions
Quercetin, Placebo
Dietary Supplement
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 75 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 5, 2015 · Synced Sep 30, 2026, 4:50 AM EDT
Not yet recruiting Phase 2 Interventional

Palmitic Acid and Human Microvascular Function

NCT06683534
View directory record Official record
Conditions
Microvascular Dysfunction, Microvasculature, Cardiovascular Diseases, Cardiovascular Diseases (CVD), Microvascular Health, Obesity and Overweight
Interventions
Quercetin (dietary supplement), Placebo
Dietary Supplement · Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years to 40 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Wauwatosa, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Sep 30, 2026, 4:50 AM EDT
Terminated Phase 2 Interventional Results available

Trial of Quercetin, Bromelain, Rye Flower Pollen & Papain on Reducing Severity of Radiation-Induced Prostatitis

NCT04252625
View directory record Official record
Conditions
Prostate Adenocarcinoma
Interventions
Q-Urol, Placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older · Male only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Sep 30, 2026, 4:50 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Three New Ideas to Protect Special Forces From the Stress of High Altitude

NCT02463357
View directory record Official record
Conditions
Mountain Sickness
Interventions
Quercetin, Nifedipine extended release, Methazolamide, Metformin, Placebo, Nitrite
Dietary Supplement · Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
148 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Alma, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 30, 2021 · Synced Sep 30, 2026, 4:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Quercetin's Effect on Bone Health and Inflammatory Markers

NCT05371340
View directory record Official record
Conditions
Osteoporosis, Postmenopausal
Interventions
Quercetin (500 mg), Placebo (500 mg)
Dietary Supplement · Other
Lead sponsor
Kennesaw State University
Other
Eligibility
45 Years to 75 Years · Female only
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Kennesaw, Georgia
Source: ClinicalTrials.gov public record
Updated May 12, 2022 · Synced Sep 30, 2026, 4:50 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Evaluation of AppleX™ Apple Extract on Anti-Inflammatory and Healthy Aging Effects

NCT07678346
View directory record Official record
Conditions
Systemic Inflammation (hsCRP), Healthy Aging, Vitality, Healthy Adult Participants
Interventions
Apple Extract, Placebo
Dietary Supplement · Other
Lead sponsor
Nutraland USA, Inc.
Industry
Eligibility
45 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 30, 2026, 4:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Can Fish Oil and Phytochemical Supplements Mimic Anti-Aging Effects of Calorie Restriction?

NCT01752868
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Supplement
Dietary Supplement
Lead sponsor
Washington University School of Medicine
Other
Eligibility
40 Years to 60 Years
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 19, 2012 · Synced Sep 30, 2026, 4:50 AM EDT
Completed Phase 1 Interventional

Lipoic Acid as a Treatment for Acute Optic Neuritis

NCT01294176
View directory record Official record
Conditions
Optic Neuritis
Interventions
Lipoic Acid
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 26, 2019 · Synced Sep 30, 2026, 4:50 AM EDT
Terminated Not applicable Interventional

Sulindac and Plant Compounds in Preventing Colon Cancer

NCT00003365
View directory record Official record
Conditions
Colorectal Cancer
Interventions
curcumin, rutin, quercetin, sulindac
Dietary Supplement · Drug
Lead sponsor
University of Medicine and Dentistry of New Jersey
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2006
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 27, 2011 · Synced Sep 30, 2026, 4:50 AM EDT
Completed Phase 1 Interventional

Short Term Efficacy and Safety of Perispinal Administration of Etanercept in Mild to Moderate Alzheimer's Disease

NCT01716637
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Etanercept, Curcum.Luteol.Theaflav.Lip.Acid,FishOil,Quercet.,Resveratr.
Biological · Dietary Supplement
Lead sponsor
Life Extension Foundation Inc.
Other
Eligibility
60 Years to 85 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
2
States / cities
Coral Springs, Florida • Delray Beach, Florida
Source: ClinicalTrials.gov public record
Updated May 12, 2016 · Synced Sep 30, 2026, 4:50 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Effects of Quercetin on Metabolic Health

NCT05297032
View directory record Official record
Conditions
Quercetin, Lipid Metabolism, Aging
Interventions
Quercetin Phytosome
Dietary Supplement
Lead sponsor
Thorne HealthTech, Inc
Industry
Eligibility
20 Years to 70 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Summerville, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 10, 2023 · Synced Sep 30, 2026, 4:50 AM EDT
Completed Phase 2 Interventional

Nasal Potential Studies Utilizing Cystic Fibrosis Transmembrane Regulator (CFTR) Modulators

NCT01348204
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
quercetin
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
8 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 31, 2012 · Synced Sep 30, 2026, 4:50 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Effects of Quercefit® and Ubiqsome™ in Mitigating Inflammation and Promoting Metabolic Health

NCT07760506
View directory record Official record
Conditions
Healthy Aging, Inflammaging, Metabolic Health, Quercetin, Coenzyme Q10
Interventions
Quercetin (dietary supplement), Coenzyme Q10, Rice Flour
Dietary Supplement
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
50 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Sep 30, 2026, 4:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Combined Exercise, Heat, and Quercetin Supplementation on Whole Body Stress Response

NCT01168739
View directory record Official record
Conditions
Heat Acclimation and Thermotolerance
Interventions
Quercetin, Placebo
Dietary Supplement
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years to 39 Years · Male only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Mar 12, 2024 · Synced Sep 30, 2026, 4:50 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Randomized Placebo-Controlled Study to Evaluate the Effects of a Gummy and Capsule Supplement on Symptoms of Premenstrual Syndrome

NCT06763809
View directory record Official record
Conditions
PMS, Menstrual Cramp, Mood Change
Interventions
PMS Capsule, Capsule Placebo, PMS Gummy, Gummy Placebo
Dietary Supplement
Lead sponsor
Semaine Health
Industry
Eligibility
18 Years and older · Female only
Enrollment
176 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jan 8, 2025 · Synced Sep 30, 2026, 4:50 AM EDT
Recruiting Phase 1 Interventional

Quercetin Dyskeratosis Congenita (DC)/Telomere Biology Disorders (TBD)

NCT07628972
View directory record Official record
Conditions
Dyskeratosis Congenita, Telomere Disease
Interventions
Quercetin
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
2 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Sep 30, 2026, 4:50 AM EDT
Completed Phase 1 Interventional

Quercetin in Children With Fanconi Anemia; a Pilot Study

NCT01720147
View directory record Official record
Conditions
Fanconi Anemia
Interventions
Quercetin (dietary supplement)
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Not listed
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2021
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced Sep 30, 2026, 4:50 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Absorption Kinetics of Polyphenols in Angel's Plant (Angelica Keiskei)

NCT00721643
View directory record Official record
Conditions
Oxidative Stress
Interventions
Angel's plant (Angelica keiskei)
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
60 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 25, 2017 · Synced Sep 30, 2026, 4:50 AM EDT
Completed Phase 2 Interventional

Fortifying Healthy Behaviors, Optimizing Medical Therapies and Enhancing Cognitive Function in Older Adults-pilot Study

NCT07000734
View directory record Official record
Conditions
Aging, Cognitive Decline, Older Adults, Cardiovascular, Sedentary Behaviors, Immune Senescence, Motor Function
Interventions
Risk managment, Dasatinib, Quercetin (dietary supplement), Vortioxetine
Behavioral · Drug · Dietary Supplement
Lead sponsor
Washington University School of Medicine
Other
Eligibility
50 Years to 70 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 30, 2026, 4:50 AM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Combination Gerotherapeutic Interventions for Healthspan Improvement

NCT07475546
View directory record Official record
Conditions
Healthspan Improvement, Aging, Longevity
Interventions
Rapamycin, Naltrexone, Metformin, NAD+, GSH, Infinite Supplement, Placebo/control, B12, Intervention: Guided Meditation Program, Control: Podcast Listening Activity, Control: Standard Exercise Regimen, Intervention: Structured Exercise Program
Drug · Dietary Supplement · Behavioral
Lead sponsor
AgelessRx
Industry
Eligibility
60 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Sep 30, 2026, 4:50 AM EDT
Completed Phase 2 Interventional Results available

Quercetin Chemoprevention for Squamous Cell Carcinoma in Patients With Fanconi Anemia

NCT03476330
View directory record Official record
Conditions
Fanconi Anemia, Squamous Cell Carcinoma
Interventions
Quercetin (dietary supplement)
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
2 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Sep 30, 2026, 4:50 AM EDT
Completed Phase 2 Interventional

Effects of Quercetin on Blood Sugar and Blood Vessel Function in Type 2 Diabetes.

NCT01839344
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Quercetin, Acarbose, placebo
Dietary Supplement · Drug
Lead sponsor
Bastyr University
Other
Eligibility
18 Years to 75 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 18, 2015 · Synced Sep 30, 2026, 4:50 AM EDT
Terminated Not applicable Interventional

Vision Preservation and Restoration Following a 6 Month Trial of GlaucoCetin

NCT04784234
View directory record Official record
Conditions
Primary Open Angle Glaucoma
Interventions
GlaucoCetin, Placebo
Dietary Supplement · Other
Lead sponsor
Wills Eye
Other
Eligibility
40 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Sep 30, 2026, 4:50 AM EDT
Completed Phase 1 Interventional

Effect of Quercetin on Green Tea Polyphenol Uptake in Prostate Tissue From Patients With Prostate Cancer Undergoing Surgery

NCT01912820
View directory record Official record
Conditions
Adenocarcinoma of the Prostate, Recurrent Prostate Cancer, Stage I Prostate Cancer, Stage IIA Prostate Cancer, Stage IIB Prostate Cancer, Stage III Prostate Cancer, Stage IV Prostate Cancer
Interventions
green tea extract, quercetin, placebo, therapeutic conventional surgery, laboratory biomarker analysis
Dietary Supplement · Drug · Other + 1 more
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
40 Years to 75 Years · Male only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 23, 2021 · Synced Sep 30, 2026, 4:50 AM EDT