Clinical trials: Polyphenols
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
Hyperglycemia, Postprandial
Effect of Baobab Fruit on Postprandial Glycaemia in Healthy Adults
Baobab fruits have been traditionally used in Africa due to its therapeutic proprieties attributed to it high polyphenol content.
- Trial name
- NCT05140629
- Testing
- Baobab fruit aqueous extract
- Where
- Portugal
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Egas Moniz - Cooperativa de Ensino Superior, CRL
Overweight, Obesity
Efficacy of a Tea Catechin Sports Drink for Enhancing Exercise-Induced Fat Loss
The primary objective of this trial is to evaluate the influence of consuming a tea catechin containing sports beverage on body fat mass during exercise-induced weight loss among overweight and obese men and women.
- Trial name
- NCT00692731
- Testing
- 500 mL/day of a beverage providing approximately 625 mg catechins, Control beverage matched for energy and caffeine content
- Where
- 2 sites in United States
- Volunteers
- 132 people, healthy volunteers welcome
- Sponsor
- Provident Clinical Research
Inflammation, Atherosclerosis
Effects of Short-term Curcumin and Multi-polyphenol Supplementation on the Anti-inflammatory Properties of HDL
Polyphenol supplements, including curcumin and resveratrol, are known to decrease inflammation, but previous polyphenol supplements were poorly absorbed and thus their effects were reduced.
- Conditions
- Inflammation, Atherosclerosis, Cardiovascular Disease
- Trial name
- PSI (NCT02998918)
- Testing
- PolyResveratrol Supplementation, Curcumin Supplementation
- Where
- United States
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- University of South Carolina
Human Health, Reactive Carbonyl Species
Scavenging of Reactive Carbonyl Species by Blueberries in Humans
This is an interventional study to investigate the formation and pharmacokinetics of reactive carbonyl species adducts of blueberry polyphenols in humans after a single dose of dietary flavonoids.
- Conditions
- Human Health, Reactive Carbonyl Species, Polyphenols
- Trial name
- NCT07873723
- Testing
- Blueberries, control group
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- North Carolina Agriculture & Technical State University
Power, Metabolic Disturbance
Effect of 8-week Intake of 2S-hesperidin on Performance, Body Composition and Biochemicals Markers in Amateur Cyclists
This clinical study evaluates the effect of 500 mg of 2S-hesperidin for 8 weeks on performance (power generated in different metabolic zones), body composition (fat and muscle mass) and biochemical (antioxidant, inflammatory…
- Conditions
- Power, Metabolic Disturbance, Change, Body Weight, Changes Fatty
- Trial name
- HESPERFORMAN (NCT04597983)
- Testing
- 2S-hesperidin
- Where
- Spain
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Francisco Javier Martínez Noguera
Healthy
Bioavailability and Vascular Effects of Apple Polyphenols
The main purpose of this study is to determine the oral bioavailability of flavanols (polyphenolic compounds) from apple granules and an apple extract delivered in a water based beverage at two different doses.
- Trial name
- POLYMALUS (NCT01097226)
- Testing
- Apple extract delivering 70 mg epicatechin, Apple extract delivering 140 mg epicatechin, Apple granules delivering 70 mg epicatechin
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Quadram Institute Bioscience
Polyphenol Absorption in Healthy People
Bioactivity of Olive Oils Enriched With Their Own Phenolic Compounds (VOHF1)
Hypothesis: A functional olive oil tailored to provide the best relationship between phenolic compounds (amount and type) phenolic bioavailability and bioactivity (antioxidant and anti-endothelial dysfunction) will be a useful…
- Trial name
- VOHF1 (NCT01347515)
- Testing
- olive oil
- Where
- Spain
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University Rovira i Virgili
Hyperglycemia, Postprandial, Healthy
Effects of Enriched Fruit Juice on Blood Glucose Levels After a Meal in Healthy Subjects
Results from a large number of studies in humans have shown that diets rich in foods that give lower glucose response bring lower risk of type 2 diabetes.
- Trial name
- PolyGlucHeal (NCT03255876)
- Testing
- Enriched pomegranate juice
- Where
- United Kingdom
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Leeds
Prostate Cancer
WALNUTS for POWER: Polyphenols, Omega-3 Fatty Acids, Weight Loss, and EneRgy
This is a randomized control trial testing the effect of walnut supplementation on prostate cancer progression in 50 men with biopsy confirmed prostate cancer and planning to undergo RP.
- Trial name
- NCT03824652
- Testing
- walnuts, usual diet, phone counseling with dietitian
- Where
- United States
- Volunteers
- 52 people
- Sponsor
- Stephen Freedland
Low Education, Cognition
MINDSpeed Food and Brain Training RCT
The purpose of this study is to learn how foods high in polyphenols and brain training exercises affect older adults' cognitive performance
- Conditions
- Low Education, Cognition, Cognitive Training, Polyphenols
- Trial name
- MINDSpeed (NCT03419052)
- Testing
- Speed of processing training, MIND foods, Cognitive training control
- Where
- United States
- Volunteers
- 212 people, healthy volunteers welcome
- Sponsor
- Indiana University
Sarcopenia, Aging
Effects of Polyphenol Supplementation and Exercise on Physical Performance in Older Adults
After approximately age 40 years, individuals experience a natural loss of muscle mass, strength, and physical function that is linked to higher risks of falls, disability, loss of independence, and mortality.
- Conditions
- Sarcopenia, Aging, Frailty
- Trial name
- NCT07441343
- Testing
- Polyphenol Rich-Extract, Resistance Band-Based & Aerobic Stationary Cycling Exercise
- Where
- Canada
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Dr. Chris McGlory, PhD
Diet, Polyphenols, Flavonoids, Stilbenes, Aged, Dementia, Alzheimer's Disease, Epidemiology
Polyphenols and Risk of Dementia
This project aims to leverage existing data from a large observational prospective study on dementia, the Three-City study, to investigate the relationship between intakes of polyphenols and the risk to develop dementia in the 12…
- Trial name
- NCT03286608
- Testing
- observational study (no intervention)
- Volunteers
- 1,329 people, healthy volunteers welcome
- Sponsor
- Jean-François Dartigues
Overweight, Obese
Characterization of Wild Blueberry Polyphenols Bioavailability and Kinetic Profile Over 24-hour Period
Primary objective is to characterize the relative bioavailability and kinetic profile of wild blueberry polyphenols over 24-hours period.
- Conditions
- Overweight, Obese, Healthy
- Trial name
- WBB (NCT02167555)
- Testing
- Active Comparator
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Clinical Nutrition Research Center, Illinois Institute of Technology
Obesity Adult Onset, Diabetes Mellitus Type 2
Effect of Citrus Flavonoids on Obesity.
The aim of this study is to evaluate whether the intake of a functional juice enriched in citrus polymethoxylated flavonoids is able to improve the glycaemic profile and insulin resistance of obese patients by reversing the…
- Trial name
- NCT06680635
- Testing
- Flavonoid-enriched juice and a low-calorie diet
- Where
- Spain
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Celia Bañuls
Oxidative Stress
Effect of Red Raspberry Consumption on Fasting Oxidative Stress Biomarkers
The purpose of this study is determine whether daily consumption of frozen red raspberries can improve the antioxidant capacity of the blood and reduce the effects of oxidative stress, dose-dependently, in a healthy adult…
- Trial name
- NCT00876811
- Testing
- individually quick frozen red raspberries
- Where
- Canada
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Healthy
The Absorption and Metabolism of Seaweed Polyphenols in Humans
Brown seaweeds are a rich source of phlorotannins, a characteristic class of polyphenols which are unique to seaweeds of this type and can comprise 5 to 15 % of the dried weight.
- Trial name
- SWAFAX (NCT02496806)
- Testing
- Seaweed extract
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Reading