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ClinicalTrials.gov public records Last synced Oct 21, 2026, 6:38 PM EDT

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Showing 49–72 of 144 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Cocoa Clear all
Not listed Not applicable Interventional Accepts healthy volunteers

Effects of Lactoferrin-enriched Whey on Iron Status in Females

NCT06232642
View directory record Official record
Conditions
Serum Ferritin
Interventions
Lactoferrin, iron and B12 in Whey Protein, Lactoferrin, Iron and B12 in Rice Protein, Lactoferrin, Iron and B12 in Maltrodextrin
Dietary Supplement
Lead sponsor
Utah State University
Other
Eligibility
18 Years to 30 Years · Female only
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Logan, Utah
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Oct 21, 2026, 6:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Absorption, Metabolism, and Excretion of (-)-[2-14C]Epicatechin in Humans

NCT01969994
View directory record Official record
Conditions
ADME
Interventions
Controlled dietary background, (-)-[2-14C]epicatechin intake
Other
Lead sponsor
The Institutes for Pharmaceutical Discovery, LLC
Industry
Eligibility
18 Years to 50 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 25, 2013 · Synced Oct 21, 2026, 6:38 PM EDT
Completed No phase listed Observational

Cocoa, Polyphenols, and the Kidney in Healthy Subjects and in Subjects With Hypertension and Diabetes Mellitus

NCT00639665
View directory record Official record
Conditions
Diabetes
Interventions
Cocoa
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years to 85 Years
Enrollment
228 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 31, 2015 · Synced Oct 21, 2026, 6:38 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Study Assessing the Effect of Chocolate Consumption in Subjects With A History of Acne Vulgaris

NCT01193764
View directory record Official record
Conditions
Acne
Interventions
100% cocoa powder, gelatin (Gelita)
Dietary Supplement
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Feb 20, 2019 · Synced Oct 21, 2026, 6:38 PM EDT
Recruiting Phase 1Phase 2 Interventional

Study Assessing CLENPIQ as Bowel Preparation for Pediatric Colonoscopy

NCT04113382
View directory record Official record
Conditions
Bowel Preparation
Interventions
CLENPIQ, MIRALAX, SENNA
Drug
Lead sponsor
Ferring Pharmaceuticals
Industry
Eligibility
12 Months to 8 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
4
States / cities
Mobile, Alabama • San Diego, California • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 21, 2026, 6:38 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Peanut Butter on Gut and Metabolic Health

NCT06916936
View directory record Official record
Conditions
Dysbiosis
Interventions
Creamy Richards 100% Peanuts! Creamy Natural Peanut Butter, Cadbury Milk Chocolate Spread
Other
Lead sponsor
Florida State University
Other
Eligibility
6 Years to 13 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Apr 9, 2026 · Synced Oct 21, 2026, 6:38 PM EDT
Completed Phase 2 Interventional Results available

Coenzyme Q10 in Post-Cardiac Arrest Cerebral Resuscitation

NCT01319110
View directory record Official record
Conditions
Cardiac Arrest, Sudden Cardiac Arrest
Interventions
Coenzyme Q10, Placebo
Drug · Dietary Supplement
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 31, 2017 · Synced Oct 21, 2026, 6:38 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Chicory Fiber Effect on Satiety and GI Tolerance

NCT04067362
View directory record Official record
Conditions
Diet, Healthy
Interventions
food containing dietary fiber
Other
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 8, 2020 · Synced Oct 21, 2026, 6:38 PM EDT
Completed Not applicable Interventional

Expanded Quantitative Urinary Culture (EQUC) vs Standard Culture (SUC) Techniques in the Clinical Care

NCT03190421
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
Expanded Urinary Culture, Standard Urine Culture (SUC)
Diagnostic Test
Lead sponsor
Loyola University
Other
Eligibility
18 Years and older · Female only
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Maywood, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 16, 2020 · Synced Oct 21, 2026, 6:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Dark Chocolate on Exercise Capacity, and Mitochondrial Structure and Function

NCT01671514
View directory record Official record
Conditions
Heart Failure, Type 2 Diabetes
Interventions
Epicatechin-enriched dark chocolate, Low-epicatechin dark chocolate
Dietary Supplement · Other
Lead sponsor
University of California, San Diego
Other
Eligibility
40 Years to 70 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 3, 2015 · Synced Oct 21, 2026, 6:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Flavonoid Effect on Activation and Stimulation of Thrombocytes, hsCRP and Lipid Profile

NCT00559663
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 20, 2007 · Synced Oct 21, 2026, 6:38 PM EDT
Completed Phase 1 Interventional

Effect of Cocoa Flavanols on Vascular Function

NCT00553774
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
Cocoa Flavanols, Placebo
Dietary Supplement · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 100 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 27, 2016 · Synced Oct 21, 2026, 6:38 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Dark Chocolate on the Risk Factors of Cardiovascular Diseases

NCT06808282
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
White chocolate, Dark chocolate
Other
Lead sponsor
San Diego State University
Other
Eligibility
21 Years to 60 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2026
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 21, 2026, 6:38 PM EDT
Terminated Not applicable Interventional Results available

The Effect of High Antioxidant Cacao on Behaviors in Children With Autism Spectrum Disorder

NCT03195465
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Dark Chocolate
Dietary Supplement
Lead sponsor
Loma Linda University
Other
Eligibility
4 Years to 18 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Loma Linda, California
Source: ClinicalTrials.gov public record
Updated Jun 2, 2021 · Synced Oct 21, 2026, 6:38 PM EDT
Completed Early Phase 1 Interventional

Mechanisms of CBD for Chronic Pain

NCT04044729
View directory record Official record
Conditions
Chronic Pain
Interventions
Cannabidiol, Placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 13, 2025 · Synced Oct 21, 2026, 6:38 PM EDT
Completed Not applicable Interventional

Effect of Revival Soy on Fibromyalgia Pain

NCT00279942
View directory record Official record
Conditions
Fibromyalgia
Interventions
Soy, Placebo
Dietary Supplement · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 76 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 6, 2012 · Synced Oct 21, 2026, 6:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Peanut Consumption on Postprandial Inflammation, Glucose and Triglycerides

NCT01173042
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Peanuts, Glucose and whipping cream, Oil Blend
Dietary Supplement
Lead sponsor
Penn State University
Other
Eligibility
30 Years to 50 Years · Male only
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Oct 21, 2026, 6:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Dietary Flavanols and Dentate Gyrus Function

NCT02312310
View directory record Official record
Conditions
Memory Loss
Interventions
Cocoa Flavanol
Dietary Supplement
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
50 Years to 75 Years
Enrollment
211 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 11, 2020 · Synced Oct 21, 2026, 6:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Protein Timing and Resistance Exercise on Fat Metabolism

NCT03573687
View directory record Official record
Conditions
Healthy
Interventions
Micellar Casein Protein, Resistance Exercise Training
Dietary Supplement · Other
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Jul 6, 2018 · Synced Oct 21, 2026, 6:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Long Term Cocoa Flavanol Intake on Blood Pressure and Platelet Function in Healthy Adults, Part 1

NCT02447770
View directory record Official record
Conditions
Healthy
Interventions
Mars Cocoa Extract Capsules
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
30 Years to 55 Years
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Oct 21, 2026, 6:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Laboratory Smoking of Marijuana "Blunts"

NCT03546790
View directory record Official record
Conditions
Cannabis
Interventions
Marijuana
Drug
Lead sponsor
Battelle Memorial Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 2, 2019 · Synced Oct 21, 2026, 6:38 PM EDT
Withdrawn Not applicable Interventional

Designer Functional Foods on Parameters of Metabolic and Vascular in Prediabetes

NCT02400450
View directory record Official record
Conditions
Pre-Diabetes
Interventions
Functional Ingredient Group, Control Ingredient Group
Dietary Supplement
Lead sponsor
University of Manitoba
Other
Eligibility
21 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 23, 2017 · Synced Oct 21, 2026, 6:38 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Chocolate Study

NCT01949636
View directory record Official record
Conditions
Obesity
Interventions
Functional Magnetic Resonance Imaging
Other
Lead sponsor
Oregon Research Institute
Other
Eligibility
14 Years to 16 Years
Enrollment
131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated May 24, 2018 · Synced Oct 21, 2026, 6:38 PM EDT
Completed Not applicable Interventional

Snacking, Satiety &Weight: A Randomized, Controlled Trial

NCT02050165
View directory record Official record
Conditions
Obesity
Interventions
KIND Bars, Typical American Snack
Dietary Supplement
Lead sponsor
Griffin Hospital
Other
Eligibility
25 Years to 75 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Derby, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 26, 2020 · Synced Oct 21, 2026, 6:38 PM EDT