4 registrations that name grape seed extract as a study arm and are recruiting or about to, as ClinicalTrials.gov listed them on Oct 20, 2026. Read each listing for its full criteria and current status.
Kymata never assesses eligibility. Each listing names its own criteria; only its study team can say whether someone can join. Trial doses are given under the trial's monitoring and are not a schedule for anyone outside it.
Filter 4 registrations
Status
All 4 registrations
RecruitingNCT07090876
Hemodynamic Effects of a Standardized Grape Seed Extract Supplementation
No phase
Indena S.p.A
About 60 people
Started Apr 10, 2026
In plain words A study of grape seed extract in people 18 to 70, run by Indena S.p.A. It plans to enroll about 60 people at 1 site, none in the US.
Who it lists and where
Who the trial lists, as registered
Lists people 18 to 70. Conditions: High-normal Blood Pressure.
Male or female subjects aged ≥18 and ≤70 years;
Subjects with high-normal blood pressure levels, defined as SBP 130-139 mmHg and/or DBP 85-89 mmHg (according to ESH criteria);
Subjects with an estimated 10-year CVD risk <10% (as per the SCORE risk prediction algorithm of the European Society of Cardiology);
Subjects capable of communicating, making themselves understood, and complying with the study requirements;
1 more inclusion criterion and the exclusion criteria are on the listing.
What it tests, as registered
Standardized Grape Seed Extract; Placebo
Registered summary
The purpose of this study is to evaluate whether a standardized grape seed extract, compared to placebo, can significantly influence systolic blood pressure (SBP) in individuals with high-normal blood pressure (BP) who are adhering to a low-sodium Mediterranean diet. Additionally, the effects of the grape seed extract on diastolic blood pressure (DBP), other hemodynamic parameters, and the Perceived Stress Score will be assessed.
Where, as registered
No US site; Italy (1).
Not yet recruitingNCT07806474
Efficacy and Safety of Two Hair Supplements in Men With Androgenic Alopecia
No phase
Activ'inside
About 99 people
Starts Sep 30, 2026 (estimated)
In plain words A study of grape seed extract in male participants 35 to 65, run by Activ'inside. It plans to enroll about 99 people at 6 sites, none in the US.
Who it lists and where
Who the trial lists, as registered
Lists male participants 35 to 65. Conditions: Androgenic Alopecia; Healthy Adult Male.
Healthy male subjects
Subjects of Caucasian ethnicity
Subjects aged between 35 and 65 years (extremes included)
Subjects with mild to moderate androgenetic alopecia, corresponding to the grade II to III vertex on Hamilton-Norwood scale
10 more inclusion criteria and the exclusion criteria are on the listing.
What it tests, as registered
formulation of green tea leaf extract, bamboo shoot extract and selenium-enriched yeast; formulation of grape seed extract, bamboo shoot extract and selenium-enriched yeast; Placebo (maltodextrin)
Registered summary
The goal of this clinical trial is to evaluate the efficacy and safety of two different formulations of a food supplement on hair health in healthy Caucasian male subjects aged 35 to 65 years with mild to moderate androgenetic alopecia. The main questions it aims to answer are: * Whether the two formulations improve hair growth and reduce hair loss after 42 and 84 days, as assessed by phototricogram parameters. * Whether the two formulations improve hair brightness, and colour lightness after 42 and 84 days, as assessed by spectrophotometer/colorimeter. The full summary is on the listing.
Where, as registered
No US site; Italy (6).
Not yet recruitingNCT07236567
Revascularization of Young Immature Permenant Teeth Using Different Types of Intra Canal Medication
No phase
Al-Azhar University
About 45 people
Starts Dec 1, 2025 (estimated)
In plain words A study of grape seed extract in people 7 to 13, run by Al-Azhar University. It plans to enroll about 45 people at 1 site, none in the US.
Who it lists and where
Who the trial lists, as registered
Lists people 7 to 13. Conditions: Traumatic Teeth; Necrotic Teeth.
Evaluation of the Effect of Grape Seed Extract, Glycyrrhizin Compared to Triple Antibiotic Paste as Intra Canal Medication in Revascularization of Necrotic Permanent Immature Teeth in Children: A Randomized Clinical Trial
Where, as registered
No US site; Egypt (1).
Not yet recruitingNCT07106281
Chronic Grape Extract in Crosstraining Athletes: A Randomized Crossover Trial
No phase
Universidad de Granada
About 30 people
Starts Sep 1, 2025 (estimated)
In plain words A study of grape seed extract in male participants 18 to 35, run by Universidad de Granada. It plans to enroll about 30 people at 1 site, none in the US.
Who it lists and where
Who the trial lists, as registered
Lists male participants 18 to 35; healthy volunteers accepted. Conditions: Performance.
Age: 18-35 years.
Body mass index: 18.5-30 kg/m2.
Ability to understand the instructions, objectives, and study protocol.
Minimum of 3 years of experience in crosstraining, with at least 6 hours of weekly training over the past 3 months.
1 more inclusion criterion and the exclusion criteria are on the listing.
What it tests, as registered
Grape Seed Extract; Placebo
Registered summary
The aim of this study is to investigate the effect of cronic GSE intake in crosstraining may have a favorable impact on biochemical markers, recovery, and performance.
Where, as registered
No US site; Spain (1).
ClinicalTrials.gov lists 32 open registrations for this search, including ones where grape seed extract is not a study arm or that are past the 4 we keep. Search them on ClinicalTrials.gov (opens in new tab).