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ClinicalTrials.gov public records Last synced Oct 17, 2026, 2:30 PM EDT

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Showing 1–24 of 38 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Grape seed extract Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Metabolic Response to Chardonnay Grape Marc Powder

NCT03203915
View directory record Official record
Conditions
Dyslipidemia, Obesity
Interventions
Chardonnay grape marc marc high polyphenol dose (120mg), Chardonnay grape marc powder low polyphenol dose (75mg), Placebo (0mg)
Dietary Supplement
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
35 Years to 65 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Jul 16, 2021 · Synced Oct 17, 2026, 2:30 PM EDT
Completed Not applicable Interventional

The Effect of Whole Beans on Inflammation and Satiety

NCT01190384
View directory record Official record
Conditions
Metabolic Syndrome
Interventions
Couscous plus fiber, Grape seed extract, Bean Soup
Other · Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
21 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Jul 11, 2017 · Synced Oct 17, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Acute Grape Seed Extract Supplementation on Muscle Metaboreflex in Healthy Young Individuals

NCT05945771
View directory record Official record
Conditions
Dietary Supplementation
Interventions
Grape seed extract
Dietary Supplement
Lead sponsor
California Baptist University
Other
Eligibility
18 Years to 30 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Riverside, California
Source: ClinicalTrials.gov public record
Updated Jul 14, 2023 · Synced Oct 17, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Acute Dietary Supplementation With Grape Seed Extract on Aortic Stiffness, Arterial Pressure, and Blood Vessel Dilation in Collegiate Obese Individuals at Rest

NCT04389060
View directory record Official record
Conditions
Obesity
Interventions
Grape seed extract
Dietary Supplement
Lead sponsor
California Baptist University
Other
Eligibility
18 Years to 29 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Riverside, California
Source: ClinicalTrials.gov public record
Updated May 15, 2020 · Synced Oct 17, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dose-dependent Effect of Grape Seed Extract on Glucose Control in People With Impaired Glucose Tolerance

NCT02254317
View directory record Official record
Conditions
Impaired Glucose Tolerance
Interventions
0 mg placebo, 300 mg GSE, 600 mg GSE, 900 mg GSE
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
40 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 28, 2021 · Synced Oct 17, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating Whole Foods Supplementation on Cognition

NCT01672359
View directory record Official record
Conditions
Sub-optimal Cognitive Function, Sub-optimal Immune Function
Interventions
Ginkgo Synergy® and Choline, OPC Synergy® and Catalyn, Placebo
Dietary Supplement
Lead sponsor
University of Miami
Other
Eligibility
60 Years and older
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 6, 2014 · Synced Oct 17, 2026, 2:30 PM EDT
Not listed Not applicable Interventional

Diabetic Retinopathy Functional Evaluation Study: Monitoring Carotenoid Vitamins Treatment Using ERG

NCT04117022
View directory record Official record
Conditions
Diabetes, Diabetic Retinopathy
Interventions
DVS supplementation
Dietary Supplement
Lead sponsor
ZeaVision, LLC
Industry
Eligibility
21 Years to 80 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
2
States / cities
Pomona, California • Tahlequah, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 23, 2021 · Synced Oct 17, 2026, 2:30 PM 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 17, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Mirtoselect®, Virtiva®, and Enovita® on Cognitive Performance and Mood States

NCT06309914
View directory record Official record
Conditions
Mental Processes, Cognitive Change, Mood Change
Interventions
Placebo, Enovita Grape Seed Extract, Mirtoselect Bilberry Extract, Virtiva Plus Ginko Biloba Extract
Dietary Supplement
Lead sponsor
Applied Science & Performance Institute
Industry
Eligibility
25 Years to 55 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jul 30, 2024 · Synced Oct 17, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Chronic Dietary Grape Seed Extract Supplementation on Aortic Stiffness and Hemodynamic Responses to Exercise in Obese Males

NCT04465110
View directory record Official record
Conditions
Obesity Adult Onset
Interventions
Grape Seed Extract
Dietary Supplement
Lead sponsor
California Baptist University
Other
Eligibility
18 Years to 29 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Riverside, California
Source: ClinicalTrials.gov public record
Updated Jul 13, 2020 · Synced Oct 17, 2026, 2:30 PM EDT
Completed Not applicable Interventional

Study of the Cardiovascular Vitamin, CardioLife

NCT02088307
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
CardioLife
Dietary Supplement
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 90 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 22, 2016 · Synced Oct 17, 2026, 2:30 PM EDT
Terminated Phase 2 Interventional Results available

Study of Pharmacologic Manipulation of AGE (Advanced Glycation Endproducts) Levels in Prostate Cancer Patients Receiving Androgen Deprivation Therapy

NCT02946996
View directory record Official record
Conditions
Prostate Cancer
Interventions
Metformin, OPC
Drug · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older · Male only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 5, 2026 · Synced Oct 17, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A 12 Week, 3-Period Study to Evaluate the Effects of a Dietary Supplement on Lipid Metabolism

NCT02366156
View directory record Official record
Conditions
Hyperlipidemia
Interventions
Placebo, Low Dose Grape Blend, High Dose Grape Blend
Dietary Supplement
Lead sponsor
Access Business Group
Industry
Eligibility
18 Years to 70 Years
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Addison, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 12, 2015 · Synced Oct 17, 2026, 2:30 PM EDT
Terminated Phase 2 Interventional Results available

Leucoselect Phytosome for Neoadjuvant Treatment of Early Stage Lung Cancer

NCT04515004
View directory record Official record
Conditions
Early Stage Lung Cancer (I and II)
Interventions
leucoselect phytosome
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 17, 2026 · Synced Oct 17, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Grape Seed Extract on Estrogen Levels of Postmenopausal Women

NCT00566553
View directory record Official record
Conditions
Breast Cancer
Interventions
Grape Seed Extract
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
55 Years to 75 Years · Female only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 6, 2012 · Synced Oct 17, 2026, 2:30 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 2, 2020 · Synced Oct 17, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Acute Grape Seed Extract Supplementation on the Heart Rate Recovery in Young Individuals

NCT07137988
View directory record Official record
Conditions
Healthy Young Men
Interventions
600 mg grape seed extract, 600 mg Starch
Dietary Supplement
Lead sponsor
California Baptist University
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Riverside, California
Source: ClinicalTrials.gov public record
Updated Aug 22, 2025 · Synced Oct 17, 2026, 2:30 PM EDT
Completed Phase 1 Interventional

BDPP Treatment for Mild Cognitive Impairment (MCI) and Prediabetes or Type 2 Diabetes Mellitus (T2DM)

NCT02502253
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer's Disease
Interventions
grape seed polyphenolic extract, resveratrol
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
50 Years to 90 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 22, 2022 · Synced Oct 17, 2026, 2:30 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 6, 2017 · Synced Oct 17, 2026, 2:30 PM EDT
Completed Not applicable Interventional Results available

The Effect of Grape Seed Extract on Blood Pressure in People With Pre-Hypertension

NCT00979732
View directory record Official record
Conditions
Hypertension
Interventions
grape seed extract, grape seed extract placebo
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
25 Years to 65 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 11, 2021 · Synced Oct 17, 2026, 2:30 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 17, 2026, 2:30 PM EDT
Completed Not applicable Interventional

A Study of Grape Seed Extract in Asymptomatic Non-Metastatic Prostate Cancer Patients With Rising PSA

NCT03087903
View directory record Official record
Conditions
Prostate Cancer
Interventions
Grape Seed Extract
Dietary Supplement
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 99 Years · Male only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
2
States / cities
Aurora, Colorado • Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 25, 2025 · Synced Oct 17, 2026, 2:30 PM EDT
Terminated Phase 2 Interventional

Phase 2 Study to Examine Grape Seed Extract as an Anti-Oligomerization Agent in Alzheimer's Disease (AD)

NCT02033941
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Meganatural-Az Grapeseed Extract, Placebo
Drug
Lead sponsor
Hillel Grossman
Other
Eligibility
Not listed
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 15, 2024 · Synced Oct 17, 2026, 2:30 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Grape Polyphenol Kinetics in Humans

NCT01751750
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Grape
Other
Lead sponsor
Janet Novotny
Federal
Eligibility
Up to 59 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated May 25, 2017 · Synced Oct 17, 2026, 2:30 PM EDT