Clinical trials: Polyphenol
Healthy Adults
Differential Absorption Kinetics of Grape Seed Extract Polyphenols
Grape seed extracts (GSEs) contain (poly)phenols that vary in their degree of polymerization, which may lead to differences in absorption, metabolism, and biological efficacy.
- Trial name
- GSE_PK (NCT07886385)
- Testing
- MN-BP Grape Seed Extract, Commercially Available Grape Seed Extract, Gen 2 GSE - Monomer-Enriched
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Clinical Nutrition Research Center, Illinois Institute of Technology
Photoaging
Effects of Mango Intake on Skin Health and Gut Microbiome Changes in Postmenopausal Women
Mangos are a rich source of nutrients such as carotenoids, vitamin C and fiber, as well as polyphenols and phenolic acids such as mangiferin, ellagic acid, and gallotannins.
- Trial name
- NCT04869852
- Testing
- Food
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Integrative Skin Science and Research
Healthy
Acute Effect of a Standardized Botanical Blend Rich in Polyphenols on Cognitive Functions in Healthy Students
Available literature suggests that flavanols-rich foods, and more especially monomeric flavanols-rich foods such as grape, can have an acute effect on cognitive functions via different mechanisms such as cerebral blood flow…
- Trial name
- NCT03508206
- Testing
- SBRP
- Where
- France
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Activ'inside
Healthy
Effect of Red Grape Cells (RGC) Powder Consumption on Measures of Aerobic Fitness and Mood
This is a 3-arm double blind placebo controlled study to investigate the effect of Red Grape Cell (RGC) powder containing all the matrix of polyphenols that can be found in red grapes.
- Trial name
- NCT01832584
- Testing
- RGC
- Where
- Israel
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Fruitura Bioscience Ltd.
Prediabetic State, Dysglycemia
Mode of Action (MoA) Study of TOTUM-63 in Individuals at Increased Cardio-metabolic Risk
This clinical study aims to investigate the effects of TOTUM-63, a mix of 5 plant extracts, consumed at the daily regimen of three times per day, on cardiometabolic health and gut microbiota profile in overweight-obese…
- Conditions
- Prediabetic State, Dysglycemia, Overweight and Obesity
- Trial name
- NCT05369585
- Testing
- TOTUM-63
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Valbiotis
Vaginal Microbiome, Gut Microbiome
The Effect Cranberry-Based Products on the Female Microbiome
The overall objective of this clinical trial is to compare the effects of a cranberry-based product to a placebo-control product on vaginal and GI microbiome outcomes and associated participant reported outcomes in generally…
- Conditions
- Vaginal Microbiome, Gut Microbiome, Gut Health
- Trial name
- NCT07109713
- Testing
- Active
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Ocean Spray Cranberries, Inc.
Healthy
Acute Effect of a Proprietary Botanical Blend Rich in Polyphenols on Flow-mediated Dilation in Healthy Subjects
It is well established that endothelial dysfunction is an early predictor of cardiovascular events in at-risk patients. Finding safe and effective product able to improve endothelial function is of public health interest.
- Trial name
- NCT04697589
- Testing
- Memophenol 300 mg, Memophenol 600 mg
- Where
- France
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Activ'inside
Overweight or Obesity, Healthy
Berries, Inflammation, and Gut Microbiome
The primary objectives are to characterize changes in indices of systemic and gut inflammation, assess host- and microbial-derived metabolite pools, and describe and link functional metagenomics and metatranscriptomic alterations…
- Trial name
- NCT04100200
- Testing
- Mixed berries, FOS, Control
- Where
- United States
- Volunteers
- 105 people, healthy volunteers welcome
- Sponsor
- Clinical Nutrition Research Center, Illinois Institute of Technology
No Disease
Efficacy of Polyphenols From Milk and Dark Chocolate
Dark chocolate is one of the richest sources of polyphenols though it has been hypothesised that the bioavailability and therefore probably the bioefficacy of epicatechin from milk chocolate was reduced compared to dark.
- Trial name
- NCT00513344
- Testing
- Dark Chocolate, Milk Chocolate, Control (polyphenol-free) "Chocolate"
- Where
- Switzerland
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Société des Produits Nestlé (SPN)
Gut Health
Effectiveness of a Butyrate Formulation and Butyrate + Polyphenol Formulation on Gut Health, Permeability and Associated Symptoms
The purpose of this study is the assess the effectiveness and safety of a Butyrate formulation and a Butyrate + Polyphenol formulation on gut health, permeability and associated symptoms
- Trial name
- NCT06419231
- Testing
- Butyrate Formulation, Butyrate + Polyphenol Formulation
- Where
- United States
- Volunteers
- 143 people, healthy volunteers welcome
- Sponsor
- Supplement Formulators, Inc.
Human Microbiome
Oral Pomegranate Extract on the Microbiome and Skin Biophysical Properties
Pomegranate extract (Pomella) is well known for its antioxidant properties due to its phenolic compounds. It has also been shown to increase the amount of short chain fatty acid producing Lactobacillus and Bifidobacteria genera.
- Trial name
- NCT04596722
- Testing
- Pomella
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Integrative Skin Science and Research
Hyperglycemia
Efficacy of a Brown Seaweed Extract Rich in Polyphenols on Glycemic Response to Sucrose in Human
The primary endpoint of this trial will be to evaluate if a single administration in human of a lemon ice tea containing 500 mg of a polyphenol-rich algal powder is able to reduce postprandial glycemia and insulinemia.
- Trial name
- NCT01384110
- Testing
- Reduction of glycemic index of ingested foods
- Where
- Canada
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- innoVactiv Inc.
Healthy Subjects
Bioavailability and Pharmacokinetic Parameters of Watermelon (Rind, Flesh and Seeds) Polyphenols
The primary objectives of the study are outlined below: 1. To investigate the relative bioavailability and absorption/kinetic profile of polyphenols after consumption of watermelon rind, flesh and seeds, respectively in an acute…
- Trial name
- WM (NCT03365960)
- Testing
- Watermelon Rind, Watermelon Flesh, Watermelon Seeds
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Clinical Nutrition Research Center, Illinois Institute of Technology
Anthocyanins
Intestinal Inflammatory and Metabolic Responses to a High Fat Meal and Plant Polyphenol Blend
This study will investigate the beneficial effects of supplementation with a plant polyphenol blend rich in anthocyanins on parameters of inflammation and metabolic responses following a challenge with a high-fat (HF) meal.
- Trial name
- NCT03309982
- Testing
- Plant polyphenol blend
- Where
- United States
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Pharmanex
Borderline Hypertension
Effect of an Apple Polyphenol Extract on Brachial Artery Flow-mediated Vasodilatory Function
Effect of apple polyphenols on FMD.
- Trial name
- NCT01690676
- Testing
- Epicatechin, Microcrystalline cellulose
- Where
- Finland
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Danisco
Insulin Resistant
Red Raspberries on Insulin Action and Oxidative Stress
The purpose of this study is to investigate the relative bioavailability and absorption/kinetic profile of red raspberry polyphenols consumed with a meal and further to determine the relationship of these findings on…
- Trial name
- RRB (NCT02479035)
- Testing
- Red raspberry meal 1, Red raspberry meal 2, Control meal
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Clinical Nutrition Research Center, Illinois Institute of Technology
Mental Energy, Physical Performance
Dose Effect of a Plant Extract on Fatigue
Test the short-term effects of the acute consumption of two separate beverages containing different concentrations of polyphenols, a beverage containing 75 mg of caffeine and a flavored placebo beverage on mental energy and…
- Trial name
- NCT03870126
- Testing
- Flavored beverage
- Where
- United States
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- PepsiCo Global R&D
Postprandial Period
Effect of Drinks Containing Fruit Polyphenol Extracts and Fibre on Postprandial Glycaemia. (Glu-MIX)
Postprandial glycaemia refers to the transient rise in blood glucose levels that occurs after consuming a meal. Large fluctuations in blood glucose levels, experienced on a frequent basis, may impair the functioning of pancreatic…
- Trial name
- NCT03572296
- Testing
- Polyphenol and fibre, Fibre
- Where
- United Kingdom
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Lucozade Ribena Suntory
Immunity Disorders, Aging
The Impact of a Polyphenol-Rich Supplement on Epigenetic and Cellular Markers of Immune Age
This is a prospective, interventional, single-arm, open-label pilot study of 50 patients to evaluate the effect of a polyphenol-rich nutritional supplement on epigenetic and cellular markers of immune age.
- Conditions
- Immunity Disorders, Aging, Inflammation
- Trial name
- NCT05234203
- Testing
- HTB Rejuvenate
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Big Bold Health, PBC
Healthy
Polyphenol Bioavailability From Chocolate
Dark chocolate is one of the richest sources of polyphenols though it has been hypothesised that the bioavailability of epicatechin from milk chocolate was reduced compared to dark.
- Trial name
- NCT00492713
- Testing
- dark chocolate, Milk chocolate 1, Milk chocolate 2
- Where
- Switzerland
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Société des Produits Nestlé (SPN)