Clinical trials: Polyphenols
Diet Habit, Diet Modification
Interaction of Salivary Proteins and Polyphenols
Participants will be chosen through an initial sensory test to find high and low-perceivers of astringency. Selected participants will drink a chocolate milk or milk substitute beverage for one week each with washout weeks in…
- Conditions
- Diet Habit, Diet Modification, Taste, Altered, Saliva Altered
- Trial name
- NCT03501238
- Testing
- Chocolate Milk, Chocolate milk substitute, Chocolate milk substitute with gelatin
- Where
- United States
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Purdue University
Non-Alcoholic Fatty Liver Disease
Effects of TOTUM-448 on Liver Fat Content, Cardiometabolic Risk Factors and Gut Microbiota Among Participants with MASLD
This clinical trial aims to investigate the effects of TOTUM-448, a mix of 5 plant extracts and choline, consumed at the daily regimen of two times per day, on liver fat content, cardiometabolic risk factors and gut microbiota…
- Trial name
- CARDIO-LIVER (NCT06704321)
- Testing
- TOTUM-448
- Where
- Canada
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Valbiotis
Obesity, Diabetes
Effect of Pomegranate Extract Intake on Body Composition and Blood Pressure.
Pomegranate has gained widespread popularity since the health effects of the whole fruit, as well as its juices and extracts, have been studied in relation to a variety of chronic conditions such as hypertension, diabetes…
- Conditions
- Obesity, Diabetes, Cardiovascular Disease
- Trial name
- NCT02017132
- Testing
- Pomegranate extract
- Where
- United Kingdom
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Queen Margaret University
Type 2 Diabetes
Effect of Soft Fruit on Postprandial Blood Glucose
Dietary strategies for alleviating health complications associated with type 2 diabetes (T2D) are being pursued as alternatives to pharmaceutical interventions.
- Trial name
- NCT02291250
- Testing
- Blackcurrants with polycal OGTT, Greencurrants with polycal OGTT, Blackcurrants with glucose OGTT
- Where
- United Kingdom
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Aberdeen
Dyslipidemia, Obesity
Metabolic Response to Chardonnay Grape Marc Powder
To determine if the addition of chardonnay grape marc (also called pomace) powder enriched with grape seed extract to the diet will result in reducing blood levels of cholesterol or triglycerides.
- Trial name
- NCT03203915
- Testing
- Chardonnay grape marc marc high polyphenol dose (120mg), Chardonnay grape marc powder low polyphenol dose (75mg)
- Where
- United States
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
Blood Pressure
Effect of Hibiscus and Lippia Extract on Blood Pressure
Determine if a double-blind, randomized, placebo-controlled clinical intervention, based on a dietetic intervention and physical exercise, supplemented with a polyphenolic extract, decreases blood pressure in hypertensive…
- Trial name
- NCT03507023
- Testing
- Metabolaid®
- Where
- Spain
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- Universidad Miguel Hernandez de Elche
Abdominal Obesity
Effects of a Polyphenol-rich Cranberry Extract on Cardiometabolic and Neurocognitive Health
The objective of this double-blind, parallel, randomized placebo-controlled clinical trial is to evaluate the effects of consumption of polyphenol-rich cranberry extract standardized in PACs (36 mg PACs/capsule) on…
- Trial name
- Neurocan (NCT05062954)
- Testing
- Polyphenol-rich cranberry extract supplement standardized in proanthocyanidins
- Where
- Canada
- Volunteers
- 49 people, healthy volunteers welcome
- Sponsor
- Laval University
Healthy Volunteers (Middle-aged Smokers)
Effects of Curcumin on Vascular Reactivity
The aim of this study is to determine if an oral loading-dose of curcumin can improve vascular endothelium reactivity in patients with moderate cardiovascular risk
- Trial name
- CURCUMIN (NCT01543386)
- Testing
- Curcumin
- Where
- France
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University Hospital, Clermont-Ferrand
Endothelial Dysfunction
The Acute Effects of Commercially Available Drinks on the Endothelial Function of Humans Following a High-fat Meal
High fat diets are associated with impaired endothelial function and increased cardiovascular disease risk amongst our population.
- Trial name
- NCT03806829
- Testing
- Water, Red Wine, Green Tea
- Where
- United Kingdom
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- University of the Highlands and Islands
Healthy
Physiological Effects of New Polyphenol-enriched Foods in Humans
Polyphenolic compounds exert several health benefits depending on bioavailability. Encapsulation may improve bioavailability of these compounds.This study will evaluate bioavailability of some polyphenols (curcumin and cocoa…
- Trial name
- NCT01288859
- Testing
- free curcumin, encapsulated curcumin, encapsulated curcumin + PQG
- Where
- Italy
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Federico II University
Zinc Absorption, Iron Absorption
Zinc and Iron Absorption From Common Beans in Young Adult Women
Fifteen female study participants will be enrolled in a randomized crossover study to measure fractional and total zinc and iron absorption from four common bean (Phaseolus vulgaris) varieties with varying phytate and…
- Trial name
- NCT06327529
- Testing
- SER 118, LMP 1001, LPA 586
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- University of California, Davis
Insulin Resistance
Effect of Dietary Polyphenols on Insulin Sensitivity
A large and growing segment of the population is prediabetic. Dietary interventions that improve insulin sensitivity may be important in preventing the progression to full-blown diabetes in these individuals.
- Trial name
- NCT00668928
- Testing
- Polyphenols (flavon-3-ol monomers and oligomers)
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- United States Department of Agriculture (USDA)
Gut Microbiota, Metabolic Syndrome
Effect of Mango on Gut Microbiota and Metabolic Health
Mango is rich in bioactive compounds such as dietary polyphenols and carotenoids, which may explain its beneficial effect on health. Polyphenols accumulate in the gut where they can positively modulate the microbiota.
- Trial name
- NCT03825276
- Testing
- Mango consumption
- Where
- Canada
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Laval University
Processes, Metabolic
Plasma-Induced Changes in the Metabolome Following Polyphenol Consumption
The goal of this clinical trial is to compare the changes in the human metabolome following a low or high acute dose of European tart cherries.
- Trial name
- NCT06144489
- Testing
- Tart Cherry
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Northumbria University
Carcinoma, Squamous Cell
Chemoprevention of Esophageal Squamous Cell Carcinoma (ESCC) With Aspirin and Tea Polyphenols
Evidence from laboratory studies suggests that aspirin and tea polyphenols may have an antineoplastic effect in esophageal squamous cell carcinoma (ESCC).
- Trial name
- CREAT (NCT01496521)
- Testing
- Aspirin, Tea Polyphenols
- Where
- China
- Volunteers
- 600 people, healthy volunteers welcome
- Sponsor
- Beijing Friendship Hospital
Obesity
Enhancing Efficacy of Mango Polyphenols in Lean and Obese
The objective of this research is to determine beneficial impact of mango phytochemicals in lean and obese individuals for cognitive function and gut health.
- Trial name
- NCT04970589
- Testing
- Mango, Probiotics
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Texas A&M University
Fitness
The Effect of a Combination of Orange- and Pomegranate Actives on Physical Fitness in Elderly People
The primary objective of this study is to determine the effect of daily supplementation of a combined orange- and pomegranate extract for a period of 4 weeks on physical fitness compared to placebo.
- Trial name
- NCT03781999
- Testing
- Actiful
- Where
- Netherlands
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- BioActor
Blood Pressure, Platelet Function
The Effect of Berry Consumption on Indicators of Cardiovascular Disease Risk
The purpose of this study is to investigate the effects of berry consumption on indicators of cardiovascular disease risk (blood pressure, cardiovascular biomarkers, nutrigenomics).
- Conditions
- Blood Pressure, Platelet Function, Inflammation
- Trial name
- NCT01019499
- Testing
- berry products, control products
- Where
- 2 sites in Finland
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Finnish Institute for Health and Welfare
Stress Response, Mental Stress
Cranberry Polyphenols and Stress Resilience During Multitasking in Healthy Adults
This randomized, double-blind, placebo-controlled clinical trial evaluates whether 70 days of daily cranberry juice consumption improves cognitive performance and motor accuracy and reduces psychological and physiological stress…
- Conditions
- Stress Response, Mental Stress, Multitasking Behavior and Multitasking Ability, Physiological Stress
- Trial name
- CRAN-MULTI (NCT07453537)
- Testing
- Cranberry juice
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- University of Florida
Vascular Function
The Effect of Chocolate on Vascular Function of Endurance Runners
The aim of this study is to examine the effects of chocolate on the vascular function of endurance runners through a crossover study involving male runners consuming both dark and white chocolate.
- Trial name
- NCT06440512
- Testing
- Dark chocolate Intervention, White chocolate Intervention
- Where
- Greece
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki