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ClinicalTrials.gov public records Last synced Oct 26, 2026, 5:37 AM EDT

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Showing 25–48 of 112 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Grape Extract Clear all
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 26, 2026, 5:37 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Cardioprotective Effects of Freeze Dried Grape Powder on Blood Pressure and Plasma Lipids/Lipoproteins

NCT03659695
View directory record Official record
Conditions
Cardiovascular Risk Factor
Interventions
Grape Powder, Placebo Powder
Dietary Supplement
Lead sponsor
University of Arizona
Other
Eligibility
30 Years to 65 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 15, 2024 · Synced Oct 26, 2026, 5:37 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Neural Correlates During Alcohol Intoxication

NCT06118580
View directory record Official record
Conditions
Alcohol Use Disorder, Intermittent Explosive Disorder
Interventions
Alcohol (Ethanol), Placebo
Drug
Lead sponsor
Ohio State University
Other
Eligibility
21 Years to 55 Years
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 27, 2025 · Synced Oct 26, 2026, 5:37 AM 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 26, 2026, 5:37 AM EDT
Completed Phase 1 Interventional

Phase I Assay-guided Trial of Anti-inflammatory Phytochemicals in Patients With Advanced Cancer

NCT01820299
View directory record Official record
Conditions
Solid Cancers
Interventions
Grape Seed Extract, Vitamin D
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 18, 2018 · Synced Oct 26, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Concord Grape Juice Alone on Glycemia, Appetite and Cognitive Function in Healthy Adults

NCT03409484
View directory record Official record
Conditions
Glycemic Response, Appetitive Behavior
Interventions
Concord Grape Juice, Low flavoniod low essence beverage, Low flavonoid beverage
Other
Lead sponsor
Purdue University
Other
Eligibility
25 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated Nov 5, 2020 · Synced Oct 26, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Multiple Daily Condensed Tannin Supplementation and Iron Bioavailability: The Tannin Dose Response Trial

NCT03030716
View directory record Official record
Conditions
Iron Deficiency Anemia, Iron-deficiency
Interventions
95% condensed proanthocyanidins from grape seed extract
Dietary Supplement
Lead sponsor
Kansas State University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Manhattan, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 25, 2017 · Synced Oct 26, 2026, 5:37 AM 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 26, 2026, 5:37 AM 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 14, 2015 · Synced Oct 26, 2026, 5:37 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Effects of Two Doses of MPX Capsules on Rising Prostate-specific Antigen Levels in Men Following Initial Therapy for Prostate Cancer

NCT01317199
View directory record Official record
Conditions
Prostate Cancer
Interventions
Muscadine Plus Grape Skin Extract, Low-dose MPX, High-dose MPX, Placebo oral capsule
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Enrollment
143 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
8
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2021 · Synced Oct 26, 2026, 5:37 AM 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 26, 2026, 5:37 AM 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 26, 2026, 5:37 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Studying the Effect of Freeze-Dried Table Grape Powder on Blood Estrogen Levels in Postmenopausal Women

NCT00611104
View directory record Official record
Conditions
Breast Cancer
Interventions
standardized freeze-dried table grape powder, laboratory biomarker analysis, pharmacological study
Dietary Supplement · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 120 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 19, 2024 · Synced Oct 26, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Blood Pressure Lowering Effects of Grape Juice

NCT00302809
View directory record Official record
Conditions
Hypertension
Interventions
Concord Grape Juice
Dietary Supplement
Lead sponsor
Boston University
Other
Eligibility
21 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 18, 2009 · Synced Oct 26, 2026, 5:37 AM EDT
Recruiting Phase 1Phase 2 Interventional

Anthocyanin-Rich Table Grape Powder for Prophylaxis of Post-Operative Atrial Fibrillation

NCT05991700
View directory record Official record
Conditions
Post-operative Atrial Fibrillation (POAF)
Interventions
Freeze-Dried California Table Grape, Placebo
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 79 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Oct 26, 2026, 5:37 AM 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 26, 2026, 5:37 AM 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 26, 2026, 5:37 AM 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 26, 2026, 5:37 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Phase I Biomarker Study of Dietary Grape-derived Low Dose Resveratrol for Colon Cancer Prevention

NCT00578396
View directory record Official record
Conditions
Colon Cancer
Interventions
grapes
Dietary Supplement
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2007
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Jan 25, 2021 · Synced Oct 26, 2026, 5:37 AM EDT
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 26, 2026, 5:37 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Laboratory Smoking of Marijuana "Blunts"

NCT03546790
View directory record Official record
Conditions
Cannabis
Interventions
Marijuana
Drug
Lead sponsor
Battelle Memorial Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 2, 2019 · Synced Oct 26, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Xoçai Antioxidant Supplements on Atherosclerosis Risk Factors

NCT00666250
View directory record Official record
Conditions
Hypertension, Dyslipidemia, Hyperglycemia
Interventions
Xocai Activ drink
Dietary Supplement
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 95 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 8, 2016 · Synced Oct 26, 2026, 5:37 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluation of the Potential of Grape Consumption to Improve Muscle Strength and Cognitive Function

NCT07208916
View directory record Official record
Conditions
Healthy
Interventions
Grape Powder
Dietary Supplement
Lead sponsor
Western New England University
Other
Eligibility
65 Years and older · Female only
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Springfield, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 6, 2025 · Synced Oct 26, 2026, 5:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Circadian Modulation of Grape Consumption and Oxidative Stress Response

NCT05873530
View directory record Official record
Conditions
Oxidative Stress
Interventions
Grape
Other
Lead sponsor
Idaho State University
Other
Eligibility
18 Years to 50 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Pocatello, Idaho
Source: ClinicalTrials.gov public record
Updated May 24, 2023 · Synced Oct 26, 2026, 5:37 AM EDT