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ClinicalTrials.gov public records Last synced Oct 18, 2026, 7:05 AM EDT

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Showing 1–24 of 60 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: quercetin Clear all
Completed Phase 1Phase 2 Interventional Results available

Safety and Feasibility of Dasatinib and Quercetin in Adults at Risk for Alzheimer's Disease

NCT05422885
View directory record Official record
Conditions
Aging
Interventions
Dasatinib, Quercetin
Drug
Lead sponsor
Lewis Lipsitz
Other
Eligibility
65 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 17, 2025 · Synced Oct 18, 2026, 7:05 AM EDT
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 Oct 18, 2026, 7:05 AM EDT
Completed Phase 2 Interventional

A Study to Evaluate the Safety and Efficacy of RQC for AMD

NCT05062486
View directory record Official record
Conditions
Age-related Macular Degeneration
Interventions
Resveratrol, Quercetin, Curcumin (RQC), Curcumin
Drug
Lead sponsor
Paul A Knepper, MD PhD
Other
Eligibility
50 Years to 90 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Oct 18, 2026, 7:05 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 Oct 18, 2026, 7:05 AM EDT
Active, not recruiting Phase 2 Interventional

An Open-Label Intervention Trial to Reduce Senescence and Improve Frailty in Adult Survivors of Childhood Cancer

NCT04733534
View directory record Official record
Conditions
Frailty, Childhood Cancer
Interventions
Dasatinib plus Quercetin, Fisetin
Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 30, 2026 · Synced Oct 18, 2026, 7:05 AM EDT
Recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

Single Nuclei RNA-seq to Map Adipose Cellular Populations and Senescent Cells in Older Subjects

NCT05653258
View directory record Official record
Conditions
Obesity, Healthy Lifestyle
Interventions
Lifestyle Intervention, Dasatinib 100 MG, Quercetin 1000mg, Placebo, Abdominal adipose tissue biopsy
Other · Drug · Procedure
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Oct 18, 2026, 7:05 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 Oct 18, 2026, 7:05 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 Oct 18, 2026, 7:05 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Quercetin PK/PD Study in Healthy Adults and Patients With Hypercoagulable States

NCT01722669
View directory record Official record
Conditions
Healthy
Interventions
isoquercetin or quercetin
Drug
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 12, 2020 · Synced Oct 18, 2026, 7:05 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Comparison of Plasma Caffeine Concentration After Oral Consumption of Caffeinated Beverages With Varied Bioactive Compounds in Healthy Volunteers

NCT04281758
View directory record Official record
Conditions
Plasma Caffeine Concentration
Interventions
Beverage
Other
Lead sponsor
PepsiCo Global R&D
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 30, 2020 · Synced Oct 18, 2026, 7:05 AM EDT
Not yet recruiting Phase 2 Interventional Accepts healthy volunteers

RQC for the Prevention of Alzheimer's Disease and Retinal Amyloid-β

NCT06470061
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Cognitive Decline
Interventions
Resveratrol, Quercetin, and Curcumin (RQC), Curcumin
Drug
Lead sponsor
Zaparackas and Knepper LTD
Other
Eligibility
50 Years to 90 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 26, 2024 · Synced Oct 18, 2026, 7:05 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 Oct 18, 2026, 7:05 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 Oct 18, 2026, 7:05 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 Oct 18, 2026, 7:05 AM EDT
Completed Phase 1 Interventional

Can Quercetin Increase Claudin-4 and Improve Esophageal Barrier Function in GERD?

NCT02226484
View directory record Official record
Conditions
Gastroesophageal Reflux Disease, GERD, Acid Reflux, Reflux
Interventions
Quercetin
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 80 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 20, 2016 · Synced Oct 18, 2026, 7:05 AM EDT
Not listed Phase 1Phase 2 Interventional

Biological Effects of Quercetin in COPD

NCT03989271
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Quercetin
Drug
Lead sponsor
Temple University
Other
Eligibility
40 Years to 80 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 16, 2023 · Synced Oct 18, 2026, 7:05 AM EDT
Active, not recruiting Phase 2 Interventional

Senolytic Therapy to Modulate the Progression of Alzheimer's Disease (SToMP-AD) Study

NCT04685590
View directory record Official record
Conditions
Alzheimer Disease, Early Onset, Mild Cognitive Impairment
Interventions
Dasatinib + Quercetin, Placebo Capsules
Drug · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
60 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Oct 18, 2026, 7:05 AM EDT
Active, not recruiting Phase 2 Interventional

Dasatinib Plus Quercetin for Accelerated Aging in Mental Disorders

NCT05838560
View directory record Official record
Conditions
Schizophrenia, Treatment Resistant Depression, Aging, Premature
Interventions
Dasatinib, quercetin
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
50 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Oct 18, 2026, 7:05 AM EDT
Completed Phase 2 Interventional Results available

Fixed Dose Flavonoid Isoquercetin on Thrombo-Inflammatory Biomarkers in Subjects With Stable Sickle Cell Disease

NCT04514510
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Isoquercetin, Placebo
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 70 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 2, 2024 · Synced Oct 18, 2026, 7:05 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 Oct 18, 2026, 7:05 AM EDT
Active, not recruiting Phase 1Phase 2 Interventional

ALSENLITE: Senolytics for Alzheimer's Disease

NCT04785300
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer Disease
Interventions
Dasatinib, Quercetin
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
55 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 18, 2026, 7:05 AM EDT
Completed Phase 1 Interventional

Physiological Effects of Grape Seed Extract in Diastolic Heart Failure

NCT01185067
View directory record Official record
Conditions
Diastolic Heart Failure, Hypertensive Heart Disease, Heart Failure With Preserved Ejection Fraction, Hypertension, Oxidative Stress
Interventions
grape seed extract (MegaNatural BP, Polyphenolics, Inc.)
Drug
Lead sponsor
University of Michigan
Other
Eligibility
50 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 6, 2017 · Synced Oct 18, 2026, 7:05 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 Oct 18, 2026, 7:05 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 Oct 18, 2026, 7:05 AM EDT