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Showing 1–24 of 120 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: grapes Clear all
Completed Not applicable Interventional Results available

The BRAINFOOD Trial to Prevent Recurrent Hepatic Encephalopathy.

NCT04675775
View directory record Official record
Conditions
Cirrhosis, Ascites, Liver Diseases, Frailty, Sarcopenia, Hepatic Encephalopathy
Interventions
Medically-tailored meals (MTM), Protein supplements, Nutrition education handout
Other · Dietary Supplement · Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 5, 2024 · Synced Sep 8, 2026, 5:18 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Nutraceutical Effects on Long-Term Memory

NCT01963767
View directory record Official record
Conditions
Aging
Interventions
NT-020, Placebo
Drug · Dietary Supplement
Lead sponsor
University of South Florida
Other
Eligibility
65 Years to 85 Years
Enrollment
139 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jul 3, 2014 · Synced Sep 8, 2026, 5:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Influence of Daily Grapes Intake on Sarcopenia in Postmenopausal Women

NCT05863507
View directory record Official record
Conditions
Sarcopenia
Interventions
Grape powder supplementation, Placebo
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
60 Years and older · Female only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Nov 11, 2024 · Synced Sep 8, 2026, 5:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of 7 Days of Grape Seed Extract Supplementation on Cold Pressor Test and Muscle Metaboreflex in Individuals With Elevated and Stage 1 Hypertension

NCT06428890
View directory record Official record
Conditions
Prehypertension
Interventions
Grape Seed Extract, Placebo
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
2022 – 2024
U.S. locations
1
States / cities
Riverside, California
Source: ClinicalTrials.gov public record
Updated May 23, 2024 · Synced Sep 8, 2026, 5:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Watching a Television Show on the Liking of Snack Foods

NCT01694043
View directory record Official record
Conditions
Measure Grams and Kcals of Snack Foods Consumed in Each Condition
Interventions
Healthy Foods, Unhealthy Snack Foods
Other
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Sep 8, 2026, 5:18 PM EDT
Recruiting Not applicable Interventional

Effects of Grape Consumption on the Immune-Gut Axis in Obesity

NCT07231484
View directory record Official record
Conditions
Obesity &Amp; Overweight
Interventions
Freeze-dried grape powder, Placebo powder
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 60 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Sep 8, 2026, 5:18 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 14, 2024 · Synced Sep 8, 2026, 5:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Study of Raisins Versus Alternative Snacks on Cardiovascular Risk Factors In Generally Healthy Subjects

NCT01260272
View directory record Official record
Conditions
Cardiovascular Risk Factors
Interventions
Alternative Snack Comparator, Raisins
Other
Lead sponsor
Louisville Metabolic and Atherosclerosis Research Center
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 28, 2014 · Synced Sep 8, 2026, 5:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Red Wine and White Wine on Blood Estrogen and Progesterone Levels

NCT00572351
View directory record Official record
Conditions
Healthy
Interventions
Red Wine, White Wine
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
21 Years and older · Female only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 22, 2019 · Synced Sep 8, 2026, 5:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Concord Grape Juice on Endothelial Function

NCT01775748
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Active Concord Grape Juice 12 oz per day, Placebo Grape Juice 12 oz per day
Other
Lead sponsor
Boston University
Other
Eligibility
50 Years and older
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 11, 2018 · Synced Sep 8, 2026, 5:18 PM EDT
Terminated Phase 1 Interventional

AGE Levels in ER+ Metastatic Breast Cancer Patients Receiving Endocrine Therapy

NCT03092635
View directory record Official record
Conditions
Breast Cancer
Interventions
OPC
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 5, 2025 · Synced Sep 8, 2026, 5:18 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 12, 2020 · Synced Sep 8, 2026, 5:18 PM EDT
Completed Phase 2 Interventional Results available

Postoperative Ibuprofen and the Risk of Bleeding After Tonsillectomy With or Without Adenoidectomy

NCT01605903
View directory record Official record
Conditions
Tonsillectomy, Adenoidectomy
Interventions
Ibuprofen, Acetaminophen
Drug
Lead sponsor
Massachusetts Eye and Ear Infirmary
Other
Eligibility
2 Years to 18 Years
Enrollment
741 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
5
States / cities
San Diego, California • Boston, Massachusetts • San Antonio, Texas + 2 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2018 · Synced Sep 8, 2026, 5:18 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Evaluate the Effects of an Eye Serum on Improving the Appearance of the Periorbital Area

NCT06143033
View directory record Official record
Conditions
Periorbital Area
Interventions
DIME Beauty Luminosity Eye Serum
Other
Lead sponsor
Dime Beauty Co.
Industry
Eligibility
18 Years to 65 Years · Female only
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Feb 21, 2024 · Synced Sep 8, 2026, 5:18 PM 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 4, 2020 · Synced Sep 8, 2026, 5:18 PM EDT
Completed Phase 1 Interventional

Clinical Trial to Evaluate the Safety of PT150 (Formerly ORG34517) When it is Taken Concurrently With Alcohol

NCT03548714
View directory record Official record
Conditions
Alcohol Dependence, Alcohol Interaction
Interventions
PT150, Beverage
Drug · Other
Lead sponsor
Pop Test Oncology LLC
Industry
Eligibility
21 Years to 64 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 21, 2019 · Synced Sep 8, 2026, 5:18 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Assessing the Value of Avocados on Glycemic Control in Type 2 Diabetes

NCT05958368
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Insulin, Fructosamine, C-Reactive Protein, Glucose, Overweight and Obesity
Interventions
Avocado, Other Fruit(s)
Other
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Sep 8, 2026, 5:18 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 22, 2025 · Synced Sep 8, 2026, 5:18 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

IH636 Grape Seed Extract in Preventing Breast Cancer in Postmenopausal Women at Risk of Developing Breast Cancer

NCT00100893
View directory record Official record
Conditions
Breast Cancer
Interventions
IH636 grape seed proanthocyanidin extract
Dietary Supplement
Lead sponsor
City of Hope Medical Center
Other
Eligibility
40 Years to 75 Years · Female only
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2013
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Jun 7, 2015 · Synced Sep 8, 2026, 5:18 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 Aug 31, 2026 · Synced Sep 8, 2026, 5:18 PM EDT
Completed Phase 3 Interventional

Randomized Trial of a Nutritional Supplement in Alzheimer's Disease

NCT00678431
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Resveratrol with Glucose, and Malate, Placebo
Dietary Supplement
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
50 Years to 90 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 14, 2012 · Synced Sep 8, 2026, 5:18 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 5, 2012 · Synced Sep 8, 2026, 5:18 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 29, 2024 · Synced Sep 8, 2026, 5:18 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 11, 2018 · Synced Sep 8, 2026, 5:18 PM EDT