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
Diabetes Mellitus Type 2
Medium-term Effects of a Polyphenol-rich Beverage Based on Red Grape Pomace Extract on Non-alcoholic Fatty Liver Disease, Cardiometabolic Risk Profile and Gut Microbiota in Subjects with Type 2 Diabetes
Nonalcoholic fatty liver disease (NAFLD) is a liver disease characterized by an abnormal accumulation of fat not due to alcohol or drug consumption that can evolve into steatohepatitis (NASH), fibrosis and cirrhosis.
- Trial name
- PoLiFat (NCT06895018)
- Testing
- Supplementation with Polyphenol Rich Drink
- Where
- Italy
- Volunteers
- 20 people
- Sponsor
- Federico II University
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
Metabolic Syndrome, Protection Against
Grape Polyphenols and Metabolic Syndrome
Fruits and vegetables are beneficial for patients with metabolic syndrome, a condition characterized by the coexistence of various risk factors (obesity, hypertension, hypercholesterolemia, insulin resistance) that predispose to…
- Trial name
- PolyGrape (NCT04053569)
- Testing
- Table Grape supplement
- Where
- Italy
- Volunteers
- 40 people
- Sponsor
- Azienda Ospedaliera Specializzata in Gastroenterologia Saverio de Bellis
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)
Hypertension
Antihypertensive and Cardioprotective Evaluation of a Functional Olive Oil
The general objective of this study is to evaluate the effect of a nutritional intervention with an extra virgin olive oil (EVOO) rich in bioactive compounds (polyphenols) and a functional oil of adequate organoleptic quality…
- Trial name
- NCT05460221
- Testing
- Optimized oil group, Functional oil group, Control group
- Where
- 2 sites in Spain
- Volunteers
- 50 people
- Sponsor
- Universidad de Granada
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
Hypercholesterolemia
Hypocholesterolemic Effect of a Phytosterol-enriched Spreadable Cream Prepared With Virgin Olive Oil
This study aims to evaluate the effect of the enriched extra virgin olive oil spread in plant sterols from the olive itself and demonstrate its effect anticholesterolemic and cardioprotective in children and adolescents with…
- Trial name
- NCT05460208
- Testing
- Enriched spread, Control spread
- Where
- 2 sites in Spain
- Volunteers
- 50 people
- Sponsor
- Universidad de Granada
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