Clinical trials: Polyphenol
Fecal Microbiota
Microbiota Diversity and Composition and Polyphenol Bioavailability
Composition and diversity of intestinal microbiota that are subject to the influence of diet have a significant impact on health in the gut and whole body via complex interactions between food constituents, bacteria, and host.
- Trial name
- NCT02677649
- Testing
- cranberry
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Tufts University
Healthy Adults
Enhancing the Benefits of Blueberry Polyphenols With Protein
The purpose of this randomized crossover trial is determine whether acute consumption of blueberries with different proteins from plants (hemp or pea) or dairy (whey) impact the absorption of blueberry phytochemicals, which could…
- Trial name
- NCT05967897
- Testing
- Blueberries, Blueberries and Whey Protein, Blueberries and Pea Protein
- Where
- United States
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Colorado State University
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
The Blueberry Study
This is a research study about the effects of blueberries on the health of children who do not eat much fruits and vegetables. By doing this study, we hope to find out what nutrients from blueberries appear in the blood and urine…
- Trial name
- NCT04421950
- Testing
- Wild blueberry containing foods
- Where
- United States
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Arkansas Children's Hospital Research Institute
Bioavailability
Bioavailability of Anthocyanins From Aronia Extract in Healthy Men - a Pilot Study
In a quadruple cross-over design, 8 healthy men will receive 3 different formulations of Aronia extract as well as placebo (placebo, aronia, and fermented aronia in 1/6 and 1/1 concentration).
- Trial name
- NCT04645394
- Testing
- Aronia melanocarpa, Fermented Aronia Melanocarpa high dose, Fermented Aronia Melanocarpa low dose
- Where
- Denmark
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Insulin Resistance
The Effect of Tea on Vascular Function and Insulin Sensitivity
The aim of this research is to explore changes in peripheral/cerebrovascular function and insulin sensitivity after a 7-day combination of physical activity reduction (-50% steps per day) and overfeeding (+50% kcal per day…
- Trial name
- NCT02777853
- Testing
- Green tea
- Where
- United Kingdom
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Liverpool John Moores University
Overweight, Obesity
Evaluation of a New Orange-Based Beverage Enriched With Polyphenols in Adult Humans
The purpose of this study is to evaluate the effects of a new orange juice-based beverage enriched in fiber and selected phenolic compounds (mainly flavanones) on features of metabolic syndrome and cardiovascular disease risk…
- Trial name
- BIONAOS (NCT01290250)
- Testing
- Orange juice based beverage enriched in polyphenols
- Where
- Spain
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- The Coca-Cola Company
Cognitive Function, Healthy Volunteers
Nutraceutical Clinical Trial to Evaluate the Effects of Different Blends in Cognitive Functions of Healthy Volunteers
The present research is a randomized, sex-stratified, cross-over and placebo-controlled clinical trial, designed to evaluate the effect of daily intake of a dietary supplement (Premium®) on cognitive function and psychological…
- Trial name
- REVIVE (NCT07879703)
- Testing
- Polyphenol-rich fruit and vegetable nutraceutical
- Where
- Spain
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Universidad Católica San Antonio de Murcia
Diabetes Mellitus, Type 2
Rice Intervention in Chronic Health Study
The goal of this clinical trial is to learn if the low glycemic index (GI), polyphenol-rich red pigmented rice (UKMRC9) works to improve cardio-metabolic parameters in Malaysian adults with type 2 diabetes (T2D) and healthy…
- Trial name
- RICH (NCT06560541)
- Testing
- UKMRC9, White rice
- Where
- 10 sites in Malaysia
- Volunteers
- 204 people, healthy volunteers welcome
- Sponsor
- Taylor's University
Obesity
Effect of Polyphenol-rich Dark Chocolate on Obesity
This study aims to investigate the effect of polyphenol-rich dark chocolate (DC) on insulin resistance, adiponectin , blood pressure (BP), lipid profile in obese subjects and determine possible associations between all assessed…
- Trial name
- NCT00815451
- Testing
- Acticoa polyphenol-rich dark chocolate
- Where
- United Kingdom
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Queen Margaret University
Prehypertension, Healthy
Aronia Berry Consumption on Blood Pressure
Aronia berries are a native North American berry with high naturally occurring anthocyanins among other polyphenols. Based on their polyphenol composition, there is growing interest in the potential for Aronia berries to elicit…
- Trial name
- ABP (NCT03434574)
- Testing
- Aronia extract
- Where
- 2 sites in United Kingdom
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- King's College London
Oral Lichen Planus
Evaluation of Green Tea as Antioxidant Agent in Management of Oral Lichen Planus
The study included forty individuals divided into 3 groups. 10 control subjects, 15 oral lichen planus (OLP) patients who were treated with topical corticosteroids and 15 oral lichen planus (OLP) patients who were treated with…
- Trial name
- NCT02329600
- Testing
- green tea tablets (Green tea extract 5:1) 200 mg, Triamcinolone Acetonide
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Cairo University
Hyperglycaemia
Effects of Polyphenols Found in Pomegranate Juice on Postprandial Blood Glucose in Vivo
Consumption of carbohydrate containing foods or sugary drinks brings about changes to the blood glucose levels. After a meal or drink, blood glucose rises until it reaches a peak concentration usually after 30 minutes.
- Trial name
- NCT02624609
- Testing
- Control without pomegranate juice, Test with pomegranate juice
- Where
- United Kingdom
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Leeds
Inflammation
Suppression of Postprandial Monocyte Activation by Blueberries or Docosahexaenoic Acid in Humans
The overall goal of the research study is to determine whether a high-fat meal causes postprandial (after meal) inflammation, and whether eating n-3 polyunsaturated fatty acids (PUFAs) or blueberries that are rich in…
- Trial name
- NCT02472171
- Testing
- High saturated fat meal, blueberry powder and sunflower oil
- Where
- United States
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- USDA, Western Human Nutrition Research Center
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
Mental Processes
Acute Effect of Pomegranate Extract on Cognitive Function
The double-blinded, randomised, placebo-controlled crossover pilot study is conducted as a two week intervention after a pre-intervention registration and preparation period.
- Trial name
- POM-03 (NCT02935777)
- Testing
- Pomegranate Extract
- Where
- United Kingdom
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Angela Stockton
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
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
Overweight
Effect of a Pomegranate Extract on Cardiovascular Risk Markers in Overweight Healthy Subjects
The investigators objective is to carry out a placebo-controlled, dose-response, randomized clinical trial to assess the effects of polyphenols or derived metabolites on cardiovascular disease risk in overweight adult subjects…
- Trial name
- POMEcardio (NCT02061098)
- Testing
- Pomegranate extract-first dose-Group A, Pomegranate extract-first dose-Group B, Pomegranate extract-second dose-Group A
- Where
- Spain
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- National Research Council, Spain
Metabolic Disease, Inflammation
Gut Microbiota-dependent Health Impacts of Haskap Berries
Polyphenol-rich Haskap berries (Haskap) have untapped therapeutic potential to improve human health, and agricultural producers in northern U.S. states are poised to increase production if consumer demand increases.
- Conditions
- Metabolic Disease, Inflammation, Microbial Colonization
- Trial name
- HIH (NCT06546020)
- Testing
- Haskap berry smoothie
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Montana State University