Clinical trials: Polyphenols, open to volunteers
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
Nutrition, Absorption
Bioavailability From Chickpea Meals in Ileostomists?
The matrix of a food can significantly affect how well humans can absorb and use nutrients. Plants like fruits, vegetables, nuts, grains, and legumes have cell walls that form a network around their cells.
- Conditions
- Nutrition, Absorption, Polyphenolic Compounds and Metabolism, Polyphenols Absorption Profile
- Trial name
- NCT06921811
- Testing
- Intact chickpeas, Broken chickpeas
- Where
- United Kingdom
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- University of Ulster
Systemic Inflammation (hsCRP), Healthy Aging
Evaluation of AppleX™ Apple Extract on Anti-Inflammatory and Healthy Aging Effects
The goal of this clinical trial is to learn if AppleX™ Apple Extract can help lower systemic inflammation in adults aged 45-70 with signs of low-grade inflammation.
- Conditions
- Systemic Inflammation (hsCRP), Healthy Aging, Vitality, Healthy Adult Participants
- Trial name
- NCT07678346
- Testing
- Apple Extract
- Where
- United States
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Nutraland USA, Inc.
ADHD - Attention Deficit Disorder With Hyperactivity
Study of the Nutritional, Inflammatory, and Metabolic Endophenotypes of Attention-Deficit/Hyperactivity Disorder (ADHD)
This study aims to better understand the biological mechanisms involved in attention deficit hyperactivity disorder (ADHD) and to clarify why some children and adolescents respond well to methylphenidate (MPH)-the most commonly…
- Trial name
- ANIME (NCT07417878)
- Testing
- Clinical and Biological Evaluation - ADHD Cases, Clinical and Biological Evaluation - Controls
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University Hospital, Montpellier
Vitamin b12, Supplementation During Endurance Performance
Effects of Vitamin B12 and Natural Orange Extract, and Their Combination on Physical and Mental Performance
The aim of this study was to determine the effects of a new formulation of vitamin B12, natural orange extract, and their combination on physical and mental performance.
- Conditions
- Vitamin b12, Supplementation During Endurance Performance, Flavonoids, Mental Fatigue
- Trial name
- MECHEPS (NCT07341789)
- Testing
- Vitamin B 12, Natural orange extract, Vitamina B12 + natural orange extract
- Where
- Spain
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Francisco Javier Martínez Noguera
Mild Cognitive Impairment (MCI)
Effects of Hydroxytyrosol-Rich Olive Polyphenol Dietary Supplement Combined With Mediterranean Diet Adherence on the Cognitive Health of Patients With Mild Cognitive Impairment
Nutrition is an important modifiable risk factor of human cognitive health. Increasing data suggests that certain nutrients or food ingredients, such as plant polyphenols, have the potential to benefit cognitive abilities even in…
- Trial name
- MEDIPHENO-HT (NCT07672938)
- Testing
- Low-Dose Hydroxytyrosol-Rich Olive Juice Polyphenol Supplement, High-Dose Hydroxytyrosol-Rich Olive Juice Polyphenol Supplement
- Where
- Greece
- Volunteers
- 141 people
- Sponsor
- Panhellenic Federation of Alzheimer's Disease and Related Disorders
Mild Cognitive Impairment
The Effect of Combination of Mediterranean Diet and Oleocanthal in Patients With Mild Cognitive Impairment
BACKGROUND: Mild cognitive impairment (MCI) constitutes a form of preclinical dementia and characterizes a cognitive decline that exceeds what is expected for one's age and education status, but at the same time does not fulfill…
- Trial name
- MeDi-SUPOL (NCT06705738)
- Testing
- SUPOL, Dietary Pattern: MeDi
- Where
- 2 sites in Greece
- Volunteers
- 200 people
- Sponsor
- Aristotle University Of Thessaloniki
Immune System Tolerance, Depression
ESAN II - Energy Sensing in Depression
The purpose of this study is to assess the effects of polyphenols from natural aronia juice on the immune system. Therefore, the study aims to distinguish the effects of natural juices that are rich in phytonutrients such as…
- Conditions
- Immune System Tolerance, Depression, Obesity, Microbial Colonization
- Trial name
- NCT05432362
- Testing
- Aronia Juice
- Where
- Austria
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Medical University of Graz
Bioavailability
Bioavailability of Ration Items Containing Tart Cherry Extract
To determine how consuming food items containing shelf-stored tart cherry impacts your body's ability to absorb and use the compounds within tart cherry.
- Trial name
- Tart Cherry (NCT07063173)
- Testing
- Fruit Bar, Powdered Drink, Commercially available 100% tart cherry juice
- Where
- United States
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- United States Army Research Institute of Environmental Medicine
Healthy
Adding Polyphenol-rich Pulses to Daily Diet Improves Skin Health by Reshaping the Skin Microbiome
Skin health is influenced by the microbiome, lipids, oxidative stress, inflammation, and UV exposure. A 12-week trial with 48 women aged 45-65 will test if polyphenol-rich pulses improve skin health by affecting these factors.
- Trial name
- NCT06538415
- Testing
- Pulse Diet, Control Rice Diet
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Florida
Cardiovascular Diseases, Circadian Rhythm Sleep Disorder, Shift Work Type
Effect of a Grape Seed Proanthocyanidin Extract (GSPE) on LDL Cholesterol Levels in Rotating Night Shift Workers
The physiological processes of the body present daily oscillations called circadian rhythm. The circadian rhythm is essential for maintaining the vital functions of organisms, intervening directly and indirectly in a multitude of…
- Conditions
- Cardiovascular Diseases, Circadian Rhythm Sleep Disorder, Shift Work Type, Cholesterol Level, High
- Trial name
- CIRCAFENOL (NCT06422741)
- Testing
- grape seed proanthocyanidin extract
- Where
- 2 sites in Spain
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Fundació Eurecat
Diabete Type 2
Impact of Date Consumption on Metabolic Control and Oxidative Stress in Patients With Type 2 Diabetes
Summary Dates, rich in simple sugars, fiber, and antioxidant polyphenols, have a variable glycemic index and conflicting reported effects on type 2 diabetes.
- Trial name
- NCT07467967
- Testing
- 3 dates per day consumption
- Where
- Tunisia
- Volunteers
- 130 people
- Sponsor
- University Tunis El Manar
Polyphenols, Cancer Vaccine
a Polyphenol Whole Tumor Cell Vaccine in Patients With Advanced Malignant Solid Tumors
This project intends to carry out phase I clinical studies on the basis of the previous work, initially exploring the possible effective dose, evaluating its safety and tolerability, with a view to achieving long-term control of…
- Conditions
- Polyphenols, Cancer Vaccine, Advanced Solid Tumor
- Trial name
- NCT06878612
- Testing
- Polyphenol whole tumor cell vaccine
- Where
- China
- Volunteers
- 9 people
- Sponsor
- Xingchen Peng
Overweight and/or Obesity, Perimenopausal Women
Effects of a 6-months Fiber- and Polyphenol-rich Diet on Brain Inflammatory Processes in Perimenopausal Women Living With Overweight or Obesity
People living with obesity have a higher risk of late-life cognitive decline and developing dementia. In women, the risk of cognitive decline may further raise during the menopausal transition, a period of substantial hormonal…
- Trial name
- INFLAME (NCT07501377)
- Testing
- Polybiotic dietary intervention
- Where
- Germany
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Max Planck Institute for Human Cognitive and Brain Sciences
Oxidative Stress, Physical Activity
Effect of the Combination of Pterostilbene Cocrystal With Silybin and Nicotinamide Riboside on Exercise-Induced Oxidative Stress
This study aims to evaluate the effects of the dietary supplement ccPT-SIL-NR, which contains pterostilbene (ccPT), silybin (SIL), and nicotinamide riboside (NR), on oxidative stress markers after a high-intensity exercise…
- Conditions
- Oxidative Stress, Physical Activity, Antioxidant Effect
- Trial name
- PT-SILAOX (NCT07024966)
- Testing
- Pterostilbene-silybin-nicotinamide riboside, Control Group
- Where
- Spain
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Fundació Eurecat
Healthy
The Effect of Short-term Supplementation of OliPhenolia® on Fat Oxidation
There is current research interest in the use of fruit and plant-based food products containing high levels of natural antioxidants and their impact on exercise, which may be particularly beneficial for recreationally or…
- Trial name
- NCT07210099
- Testing
- Concentrated olive fruit water, Anhydrous caffeine
- Where
- United Kingdom
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Anglia Ruskin University
Liver Functions, Bioequivalence
Coffee Bioequivalence Trial
The goal of this clinical trial is to test if coffee consumed as a tablet is biologically equivalent to that consumed traditionally as a drink.
- Conditions
- Liver Functions, Bioequivalence, Cardiovascular Risk, Cardiometabolic Risk Markers
- Trial name
- NCT06758531
- Testing
- Instant coffee given as a drink, Coffee given in a tablet form
- Where
- United Kingdom
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Reading
Cardiovascular Physiology
Effects of Tart Cherry and Aronia Extract Supplementation on Selected Physiological Parameters in Endurance-Trained Men
This study will evaluate the effects of four weeks of oral supplementation with a double-standardized tart cherry (Prunus cerasus) and aronia (Aronia melanocarpa) extract on cardiovascular regulation and exercise performance in…
- Trial name
- NCT07885098
- Testing
- Standardized Tart Cherry and Aronia Extract
- Where
- Poland
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Wroclaw Medical University