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Showing 1–24 of 29 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Quercetin, Placebo - sugar chew
Drug · Other
Lead sponsor
University of Michigan
Other
Eligibility
40 Years to 80 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Active, not recruiting Not applicable Interventional Accepts healthy volunteers Results available

Carotenoid and Flavonoid Absorption From Red and Tangerine-Type Tomatoes

NCT01696773
Conditions
Carotenoid and Flavonoid Absorption
Interventions
Tangerine tomato juice, Red tomato juice
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 70 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Coronary Artery Disease
Interventions
Grape seed extract and ascorbic acid
Dietary Supplement
Lead sponsor
Boston University
Other
Eligibility
21 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Hepatitis C Virus, HCV Infection, Chronic HCV, Hepatitis C
Interventions
Naringenin
Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Blood Pressure Lowering Effects of Grape Juice

NCT00302809
Conditions
Hypertension
Interventions
Concord Grape Juice
Dietary Supplement
Lead sponsor
Boston University
Other
Eligibility
21 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
End Stage Renal Disease, Cardiovascular Disease, Inflammation
Interventions
Pomegranate juice, Pomegranate fruit extract
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 85 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
Seattle, Washington
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Flavonoids on Gut Permeability in Cyclists

NCT03427879
Conditions
Gut Permeability, Gut Inflammation
Interventions
Low flavonoid beverage, High flavonoid beverage
Drug
Lead sponsor
Utah State University
Other
Eligibility
18 Years to 49 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Logan, Utah
Conditions
Sleep Problems, Insomnia
Interventions
Tart Cherry Juice, Placebo juice
Other
Lead sponsor
Courtney Millar
Other
Eligibility
65 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Roslindale, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Flavonoid-rich Supplement Influence on the Human Metabolome

NCT03004742
Conditions
Inflammation
Interventions
Flavonoid, Placebo
Dietary Supplement
Lead sponsor
Appalachian State University
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Kannapolis, North Carolina
Conditions
Hepatitis B Virus Infection
Interventions
Flavonoid, Tenofovir
Drug
Lead sponsor
Trieu, Nguyen Thi, M.D.
Individual
Eligibility
18 Years to 80 Years
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2026
U.S. locations
1
States / cities
Wilmington, Delaware
Recruiting Not applicable Interventional Accepts healthy volunteers

Cognition, Flavonoids, Exercise, Gut Microbiome

NCT06495190
Conditions
Cognitive Decline, Mild
Interventions
Blueberry, Walking, Placebo, Stretching
Dietary Supplement · Behavioral
Lead sponsor
Appalachian State University
Other
Eligibility
65 Years to 85 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Kannapolis, North Carolina
Conditions
Healthy
Interventions
Low calorie, sugar-free cranberry juice cocktail (54% juice)
Other
Lead sponsor
Tufts University
Other
Eligibility
50 Years to 70 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Flavonoids and Caffeine Supplementation on Resting Metabolism

NCT03752125
Conditions
Diet Modification
Interventions
Flavonoid, caffeine, Placebo
Dietary Supplement
Lead sponsor
Appalachian State University
Other
Eligibility
20 Years to 47 Years · Female only
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Kannapolis, North Carolina
Completed Phase 4 Interventional Accepts healthy volunteers

Composition for Treating Cirrhosis and Liver Cancer (SB-1121)

NCT05178303
Conditions
Cirrhosis of the Liver
Interventions
SB-1121(1), SB-1121(2)
Drug
Lead sponsor
Nguyen Thi Trieu, MD
Individual
Eligibility
18 Years to 80 Years
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Wilmington, Delaware
Completed Not applicable Interventional Accepts healthy volunteers

The Cognitive Ageing Nutrition and Neurogenesis (CANN) Trial

NCT02525198
Conditions
Mild Cognitive Impairment, Subjective Memory Impairment
Interventions
fatty acid/flavonoid blend, Placebo
Dietary Supplement
Lead sponsor
University of East Anglia
Other
Eligibility
55 Years and older
Enrollment
259 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Urbana, Illinois
Completed Not applicable Interventional Accepts healthy volunteers Results available

Scavenging of Reactive Carbonyl Species by Dietary Flavonoids in Humans

NCT05773794
Conditions
Human Health, Reactive Carbonyl Species, Polyphenols
Interventions
Soymilk, green tea, or blueberry, Control group
Dietary Supplement
Lead sponsor
North Carolina Agriculture & Technical State University
Other
Eligibility
25 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Kannapolis, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers Results available

ABSORB (Amount of Blueberries So Older Adults Reap Benefits)

NCT05937165
Conditions
Depressive Symptoms, Aging
Interventions
Freeze-dried Blueberry Powder
Other
Lead sponsor
Hebrew SeniorLife
Other
Eligibility
65 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Roslindale, Massachusetts
Conditions
Metabolic Syndrome X, Inflammation
Interventions
High Dietary Flavonoids, Low Dietary Flavonoids
Other
Lead sponsor
Utah State University
Other
Eligibility
18 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Logan, Utah
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Black Tea Intake on Serum Lipids

NCT01882283
Conditions
Hypercholesterolemia
Interventions
Tea Treatment Group, Placebo
Dietary Supplement
Lead sponsor
University of Minnesota
Other
Eligibility
45 Years to 65 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
Minneapolis, Minnesota
Conditions
Sickle Cell Disease
Interventions
Isoquercetin, Placebo
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 70 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Healthy
Interventions
Green tea, 70% dark chocolate
Dietary Supplement
Lead sponsor
LifeBridge Health
Other
Eligibility
18 Years to 55 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Accepts healthy volunteers

Flavonoids, Exercise, Gut-Derived Phenolics

NCT03249571
Conditions
Exercise and Gut-derived Phenolics
Interventions
Flavonoid supplement, Placebo
Dietary Supplement
Lead sponsor
Appalachian State University
Other
Eligibility
18 Years to 50 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Kannapolis, North Carolina
Recruiting Not applicable Interventional Accepts healthy volunteers

Polyphenols and Cognitive Decline

NCT06507254
Conditions
Cognitive Decline, Cognitive Dysfunction
Interventions
Polyphenol Supplement, Placebo Supplement
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
50 Years and older
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Los Angeles, California
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Evaluation of AppleX™ Apple Extract on Anti-Inflammatory and Healthy Aging Effects

NCT07678346
Conditions
Systemic Inflammation (hsCRP), Healthy Aging, Vitality, Healthy Adult Participants
Interventions
Apple Extract, Placebo
Dietary Supplement · Other
Lead sponsor
Nutraland USA, Inc.
Industry
Eligibility
45 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
San Francisco, California