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Showing 1–24 of 31 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Quercetin Clear all
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 11, 2020 · Synced Jul 22, 2026, 9:01 PM 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 29, 2025 · Synced Jul 22, 2026, 9:01 PM 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 11, 2024 · Synced Jul 22, 2026, 9:01 PM 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 20, 2026 · Synced Jul 22, 2026, 9:01 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Q-Trial in Patients With Hepatitis C

NCT01438320
View directory record Official record
Conditions
Chronic Hepatitis C
Interventions
Quercetin
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 19, 2015 · Synced Jul 22, 2026, 9:01 PM EDT
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 16, 2025 · Synced Jul 22, 2026, 9:01 PM EDT
Recruiting Phase 1Phase 2 Interventional

Green Tea and Quercetin in Combination With Docetaxel Chemotherapy in Castration-resistant Prostate Cancer Patients

NCT06615752
View directory record Official record
Conditions
Metastatic Castration-resistant Prostate Cancer (mCRPC)
Interventions
green tea and quercetin + docetaxel, Placebo + docetaxel
Drug
Lead sponsor
Charles Drew University of Medicine and Science
Other
Eligibility
18 Years and older · Male only
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Jul 22, 2026, 9:01 PM EDT
Recruiting Phase 1 Interventional

Quercetin in Patients With XIAP (X-linked Inhibitor of Apoptosis) Deficiency

NCT07433621
View directory record Official record
Conditions
XIAP Deficiency
Interventions
Quercetin
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
2 Years and older · Male only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 26, 2026 · Synced Jul 22, 2026, 9:01 PM EDT
Not listed Phase 2 Interventional

Biological Effects of Quercetin in COPD Phase II

NCT06003270
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease, Emphysema, Chronic Bronchitis With Airway Obstruction
Interventions
Quercetin 1000 mg, Quercetin 500 MG, Placebo
Drug
Lead sponsor
Temple University
Other
Eligibility
40 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 7, 2024 · Synced Jul 22, 2026, 9:01 PM 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 9, 2023 · Synced Jul 22, 2026, 9:01 PM EDT
Completed Phase 4 Interventional

Inhibition of HBV Replication and Biological Reversal of Cirrhosis (F3-F4) and HCC by Flavonoids

NCT07084948
View directory record Official record
Conditions
Hepatitis B Virus Infection
Interventions
Flavonoid, Tenofovir
Drug
Lead sponsor
Trieu, Nguyen Thi, M.D.
Individual
Eligibility
18 Years to 80 Years
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2026
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Jul 22, 2026, 9:01 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Modulation of Cerebral Blood Flow Using Quercetin, a Nutritional Supplement

NCT01376011
View directory record Official record
Conditions
Stroke, Problem of Aging
Interventions
quercetin/placebo
Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 27, 2015 · Synced Jul 22, 2026, 9:01 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Safety and Effectivness of Quercetin & Dasatinib on Epigenetic Aging

NCT04946383
View directory record Official record
Conditions
Aging
Interventions
Dasatinib plus Quercetin
Drug
Lead sponsor
TruDiagnostic
Industry
Eligibility
40 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Aug 2, 2021 · Synced Jul 22, 2026, 9:01 PM EDT
Recruiting Early Phase 1 Interventional

Medication Combinations of Dasatinib, Quercetin, Fisetin, Temozolomide, LMP744, and Autologous TLPO Vaccine for the Treatment of Previously Treated Glioma With Residual Disease

NCT07025226
View directory record Official record
Conditions
Glioma
Interventions
Biospecimen Collection, Dasatinib, Fisetin, Magnetic Resonance Imaging, Patient Observation, Positron Emission Tomography, Quercetin, Temozolomide, Topoisomerase-1 Inhibitor LMP744, Single Agent Therapy
Procedure · Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Jul 22, 2026, 9:01 PM 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 5, 2017 · Synced Jul 22, 2026, 9:01 PM 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 27, 2026 · Synced Jul 22, 2026, 9:01 PM EDT
Completed Phase 2 Interventional

Investigating the Use of Quercetin on Glucose Absorption in Obesity, and Obesity With Type 2 Diabetes

NCT00065676
View directory record Official record
Conditions
Obesity, Diabetes
Interventions
Quercetin, Placebo
Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2021
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Jul 22, 2026, 9:01 PM EDT
Recruiting Phase 2 Interventional

Dasatinib and Quercetin With CAR-T Therapy for the Treatment of Patients With Relapsed or Refractory Multiple Myeloma

NCT06940297
View directory record Official record
Conditions
Recurrent Multiple Myeloma, Refractory Multiple Myeloma
Interventions
Biopsy Procedure, Biospecimen Collection, Bone Marrow Aspiration, Bone Marrow Biopsy, Ciltacabtagene Autoleucel, Computed Tomography, Cyclophosphamide, Dasatinib, Fludarabine, Positron Emission Tomography, Quercetin
Procedure · Biological · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2031
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Jul 22, 2026, 9:01 PM 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 28, 2026 · Synced Jul 22, 2026, 9:01 PM EDT
Completed Phase 1 Interventional

Efficacy of Provex CV Supplement to Reduce Inflammation Cytokines and Blood Pressure

NCT01106170
View directory record Official record
Conditions
Blood Pressure
Interventions
Provex CV, placebo
Drug · Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 13, 2015 · Synced Jul 22, 2026, 9:01 PM 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 19, 2016 · Synced Jul 22, 2026, 9:01 PM 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 17, 2015 · Synced Jul 22, 2026, 9:01 PM EDT
Completed Phase 1 Interventional Results available

Beneficial Effects of Quercetin in Chronic Obstructive Pulmonary Disease (COPD)

NCT01708278
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Quercetin, Placebo - sugar chew
Drug · Other
Lead sponsor
University of Michigan
Other
Eligibility
40 Years to 80 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 25, 2016 · Synced Jul 22, 2026, 9:01 PM 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 15, 2023 · Synced Jul 22, 2026, 9:01 PM EDT