- 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
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–24
of 39
matching trials from the live ClinicalTrials.gov search.
- 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
- 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
- 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
- Conditions
- Metabolic Syndrome
- Interventions
- Grape Seed Extract, Placebo
- Dietary Supplement
- Lead sponsor
- University of California, Davis
- Other
- Eligibility
- 20 Years to 70 Years
- Enrollment
- 19 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 1
- States / cities
- Mather, California
- Conditions
- Polyphenolic Compounds and Metabolism
- Interventions
- Active Capsule, Placebo Capsule
- Dietary Supplement
- Lead sponsor
- Clinical Nutrition Research Center, Illinois Institute of Technology
- Industry
- Eligibility
- 20 Years to 65 Years
- Enrollment
- 13 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2014
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Open-angle Glaucoma, Diabetic Retinopathy
- Interventions
- GlaucoHealth, GlaucoSelect, Placebo
- Drug
- Lead sponsor
- The New York Eye & Ear Infirmary
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 21 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2017
- U.S. locations
- 1
- States / cities
- New York, New York
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- 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
- Conditions
- Dietary Supplementation
- Interventions
- Grape seed extract, Placebo
- Dietary Supplement
- Lead sponsor
- California Baptist University
- Other
- Eligibility
- 18 Years to 30 Years · Male only
- Enrollment
- 11 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019
- U.S. locations
- 1
- States / cities
- Riverside, California
- 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
- 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