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ClinicalTrials.gov public records Last synced Oct 17, 2026, 7:41 PM EDT

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Showing 49–72 of 121 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Grape Clear all
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, 7:41 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Grape Impact on Human Gut Microbiome

NCT07797803
View directory record Official record
Conditions
Gut Microbiomes
Interventions
Grape Powder, Placebo Powder
Dietary Supplement · Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
45 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 17, 2026, 7:41 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, 7:41 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, 7:41 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, 7:41 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, 7:41 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Antibiotics Versus Placebo in the Treatment of Abscesses in the Emergency Department

NCT00867789
View directory record Official record
Conditions
Abscess
Interventions
Trimethoprim-sulfamethoxazole, Sugar pill
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
3 Months to 17 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 26, 2021 · Synced Oct 17, 2026, 7:41 PM EDT
Completed Not applicable Interventional

Effects of Chardonnay Seed Flour on Vascular Health

NCT02093455
View directory record Official record
Conditions
1. Endothelial Dysfunction (EndoPAT Score <=2)
Interventions
Chardonnay Seed Flour (CSF), Placebo
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 80 Years
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 11, 2022 · Synced Oct 17, 2026, 7:41 PM EDT
Completed Not applicable Interventional

Effects of a Standardized Freeze-dried Grape Powder on High Density Lipoprotein (HDL) Function in Metabolic Syndrome

NCT02542176
View directory record Official record
Conditions
Metabolic Syndrome X
Interventions
Freeze-dried Whole Grape Powder, Grape Powder Placebo
Other
Lead sponsor
University of Connecticut
Other
Eligibility
30 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 23, 2018 · Synced Oct 17, 2026, 7:41 PM EDT
Completed Phase 1Phase 2 Interventional

Development of a Polyphenol-rich Dietary Preparation for Treating Veterans With Gulf War Illness

NCT02915237
View directory record Official record
Conditions
Gulf War Illness
Interventions
Concord grape juice, Placebo Beverage
Dietary Supplement
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
East Orange, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 29, 2020 · Synced Oct 17, 2026, 7:41 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, 7:41 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 16, 2011 · Synced Oct 17, 2026, 7:41 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, 7:41 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, 7:41 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Resveratrol for Improved Performance in the Elderly

NCT01126229
View directory record Official record
Conditions
Memory
Interventions
Placebo, Low dose Resveratrol, High dose Resveratrol
Dietary Supplement · Drug
Lead sponsor
University of Florida
Other
Eligibility
65 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 11, 2013 · Synced Oct 17, 2026, 7:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Nitrate-rich Fruit and Vegetable Supplement on Blood Pressure

NCT03486145
View directory record Official record
Conditions
High Blood Pressure, Flow Mediated Dilation
Interventions
fruit and vegetable juice supplement, Placebo
Dietary Supplement
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 40 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 3, 2018 · Synced Oct 17, 2026, 7:41 PM EDT
Terminated Not applicable Interventional Results available

Flavanol Augmentation for Antidepressant Non-Responsive Late Life Depression

NCT02943096
View directory record Official record
Conditions
Depression, Major Depressive Disorder
Interventions
CocoaVia, Placebo
Dietary Supplement · Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
60 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 6, 2019 · Synced Oct 17, 2026, 7:41 PM EDT
Completed Early Phase 1 Interventional Results available

Muscadine Grape Extract to Improve Fatigue

NCT04495751
View directory record Official record
Conditions
Fatigue
Interventions
Muscadine grape extract, Placebo, Quality of Life Assessment, Questionnaires, Participant Feedback
Dietary Supplement · Drug · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
65 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 16, 2025 · Synced Oct 17, 2026, 7:41 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Increased Maternal Choline Intake on Child Cognitive Development

NCT04987099
View directory record Official record
Conditions
Pregnancy
Interventions
550 mg/day Choline, 25 mg/day Choline
Dietary Supplement
Lead sponsor
Cornell University
Other
Eligibility
21 Years to 40 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Oct 2, 2024 · Synced Oct 17, 2026, 7:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate the Efficacy and Safety of Clear Skin Formula on Mitigating Mild to Moderate Non-cystic Acne

NCT05879406
View directory record Official record
Conditions
Non-Cystic Acne
Interventions
VitaMedica® Clear Skin Formula capsules, Placebo Capsules
Dietary Supplement · Other
Lead sponsor
Ablon Skin Institute Research Center
Other
Eligibility
18 Years to 40 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Manhattan Beach, California
Source: ClinicalTrials.gov public record
Updated Apr 6, 2025 · Synced Oct 17, 2026, 7:41 PM EDT
Completed Phase 1 Interventional Results available

Purple Grape Juice in Improving Vascular Health in Childhood Cancer Survivors

NCT01043939
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Purple Grape Juice, Apple Juice
Other
Lead sponsor
University of Minnesota
Other
Eligibility
10 Years to 30 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 31, 2014 · Synced Oct 17, 2026, 7:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Whole-grape Powder on Body Composition, Fat and Bone Serum Biomarkers in Postmenopausal Women

NCT01717820
View directory record Official record
Conditions
Obesity
Interventions
Freeze-dried whole-grape powder
Dietary Supplement
Lead sponsor
Texas Woman's University
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Denton, Texas
Source: ClinicalTrials.gov public record
Updated Oct 31, 2012 · Synced Oct 17, 2026, 7:41 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Freeze-dried Grape Powder on Immune Profiles in Healthy Aging Adults

NCT07079982
View directory record Official record
Conditions
Healthy Aging, Inflammation
Interventions
Freeze-dried whole grape powder, Control grape-free powder
Other
Lead sponsor
University of Connecticut
Other
Eligibility
50 Years to 75 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 17, 2026, 7:41 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Enhanced vs. Routine Clear Liquid Intake in Labor

NCT02524002
View directory record Official record
Conditions
Abnormal Labor, Failed Induction of Labor, Ketosis
Interventions
Accel Gel, Usual clear diet
Dietary Supplement
Lead sponsor
Temple University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 12, 2018 · Synced Oct 17, 2026, 7:41 PM EDT