Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 1:00 PM EDT

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Showing 1–24 of 58 matching trials from the live ClinicalTrials.gov search.
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Conditions
Becker Muscular Dystrophy
Interventions
(-)-epicatechin
Drug
Lead sponsor
Craig McDonald, MD
Other
Eligibility
18 Years to 60 Years · Male only
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Sacramento, California
Conditions
Healthy
Interventions
CF Control, CF-Theobromine, CF-Caffeine
Other
Lead sponsor
University of California, Davis
Other
Eligibility
25 Years to 60 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
2
States / cities
Davis, California
Conditions
Chronic Hepatitis C, Oxidative Stress
Interventions
silymarin, green tea extract (EGCG)
Drug · Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Inflammation, Cardiovascular Diseases
Interventions
Cherry consumption
Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
45 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2004
U.S. locations
1
States / cities
Davis, California
Completed Phase 2 Interventional

Interstitial Cystitis

NCT00056251
Conditions
Interstitial Cystitis
Interventions
H&P; ECG; Blood tests; voiding diary; Cystoscopy
Procedure
Lead sponsor
ICOS Corporation
Industry
Eligibility
18 Years to 70 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003
U.S. locations
24
States / cities
Anchorage, Alaska • Glendora, California • La Mesa, California + 20 more
Conditions
Barrett Esophagus
Interventions
placebo, defined green tea catechin extract
Other · Drug
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
3
States / cities
New York, New York • Houston, Texas
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Green Tea and Reduction of Breast Cancer Risk

NCT00917735
Conditions
Breast Cancer
Interventions
Green tea extract supplement, Placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
50 Years to 70 Years · Female only
Enrollment
1,075 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
5
States / cities
Edina, Minnesota • Maple Grove, Minnesota • Minneapolis, Minnesota + 2 more
Conditions
Multiple Myeloma and Plasma Cell Neoplasm, Precancerous Condition
Interventions
defined green tea catechin extract, gene expression analysis, protein analysis, laboratory biomarker analysis
Dietary Supplement · Genetic · Other
Lead sponsor
Barbara Ann Karmanos Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Detroit, Michigan
Conditions
Neuropathic Pain, Cancer Treatment
Interventions
Green Tea Leaf Extract Decaffeinated, Placebo Control
Dietary Supplement · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Cirrhosis, Liver
Interventions
Epigallocatechin gallate (EGCG), Placebo
Drug · Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Dallas, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating Whole Foods Supplementation on Cognition

NCT01672359
Conditions
Sub-optimal Cognitive Function, Sub-optimal Immune Function
Interventions
Ginkgo Synergy® and Choline, OPC Synergy® and Catalyn, Placebo
Dietary Supplement
Lead sponsor
University of Miami
Other
Eligibility
60 Years and older
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Miami, Florida
Conditions
Duchenne Muscular Dystrophy
Interventions
(+)- Epicatechin
Drug
Lead sponsor
Craig McDonald, MD
Other
Eligibility
8 Years to 17 Years · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Sacramento, California
Conditions
Pre-diabetes
Interventions
epicatechin, Placebo
Drug
Lead sponsor
Veterans Medical Research Foundation
Other
Eligibility
21 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
2
States / cities
San Diego, California
Completed Not applicable Interventional Accepts healthy volunteers

Impact of an Online Behavioral Weight Loss Program

NCT01492413
Conditions
Overweight, Obesity
Interventions
online lifestyle counseling and a fortified diet beverage
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
572 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Epicatechin-rich Cocoa on Collagen Synthesis

NCT03214133
Conditions
Collagen Synthesis
Interventions
Epicatechin-rich cocoa dose response, Epicatechin-rich cocoa vs placebo on performance
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 25 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Davis, California
Conditions
Quality of Life, Renal Insufficiency, Cardiac Event
Interventions
General and Neurological examination, Vital signs, 12 lead electrocardiogram, Echocardiogram, Blood draw, Urine collection, 2-hour Holter Monitor, Brief Pain Inventory questionnaire, Quality of Life questionnaire
Other · Procedure
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Dallas, Texas
Completed Phase 2 Interventional Results available

(+) Epicatechin to Treat Friedreich's Ataxia

NCT02660112
Conditions
Friedreich's Ataxia
Interventions
(+)-Epicatechin
Drug
Lead sponsor
Ralitza Gavrilova
Other
Eligibility
10 Years to 50 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Heart Failure
Interventions
CocoaVia
Dietary Supplement
Lead sponsor
University of California, San Diego
Other
Eligibility
40 Years to 60 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
La Jolla, California
Conditions
Stage I Bladder Cancer, Stage II Bladder Cancer, Stage III Bladder Cancer
Interventions
Defined Green Tea Catechin Extract, Laboratory Biomarker Analysis, Pharmacological Study, Placebo, Therapeutic Conventional Surgery
Dietary Supplement · Other · Drug + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2017
U.S. locations
6
States / cities
Birmingham, Alabama • Burlington, Massachusetts • Minneapolis, Minnesota + 3 more
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Early Phase Pre-Clinical and Initial Clinical Research on Epicatechin

NCT02330276
Conditions
Pre-diabetes
Interventions
(+)-Epicatechin
Drug
Lead sponsor
Veterans Medical Research Foundation
Other
Eligibility
21 Years to 75 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
San Diego, California
Conditions
Mobility Disability
Interventions
(-)-Epicatechin-rich cocoa supplementation combined with exercise training, Placebo combined with exercise training
Combination Product
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
55 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Recruiting Phase 3 Interventional

The COCOA-PAD II Trial

NCT04794530
Conditions
Peripheral Artery Disease
Interventions
cocoa flavanols, placebo
Drug
Lead sponsor
Northwestern University
Other
Eligibility
55 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
3
States / cities
Chicago, Illinois • Minneapolis, Minnesota
Conditions
Unspecified Adult Solid Tumor, Protocol Specific
Interventions
defined green tea catechin extract
Dietary Supplement
Lead sponsor
University of Arizona
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2004
U.S. locations
1
States / cities
Tucson, Arizona
Completed Not applicable Interventional Accepts healthy volunteers Results available

Gut-level Antiinflammatory Activities of Green Tea in Metabolic Syndrome

NCT03973996
Conditions
Dysbiosis, Endotoxemia, Metabolic Syndrome, Inflammation
Interventions
Green Tea Extract, Placebo
Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Columbus, Ohio