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ClinicalTrials.gov public records Last synced Oct 21, 2026, 5:52 PM EDT

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Showing 25–48 of 144 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Cocoa Clear all
Completed Phase 4 Interventional Results available

Antitussive Effect of a Naturally Flavored Syrup Containing Diphenhydramine, Compared With Dextromethorphan and Placebo

NCT02062710
View directory record Official record
Conditions
Cough Reflex Sensitivity
Interventions
diphenhydramine/phenylephrine/cocoa; dextromethorophan; placebo, diphenhydramine/phenylephrine/cocoa; placebo; dextromethorphan, dextromethorphan; diphenhydramine/phenylephrine/cocoa; placebo, dextromethorophan; placebo; diphenhydramine/phenylephrine/cocoa, placebo; diphenhydramine/phenylephrine/cocoa; dextromethorphan, placebo; dextromethorphan; diphenhydramine/phenylephrine/cocoa
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Feb 28, 2018 · Synced Oct 21, 2026, 5:52 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Acute Ketone Supplementation on the Brain

NCT07711990
View directory record Official record
Conditions
Brain Health
Interventions
Ketone Ester Drink, Placebo
Dietary Supplement
Lead sponsor
Christopher Crabtree
Other
Eligibility
45 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 21, 2026, 5:52 PM EDT
Completed Not applicable Interventional

Effects of Polyphenolic-rich Dark Chocolate/Cocoa and Almonds on Cardiovascular Disease Risk Factors

NCT01882881
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Healthy American Control Diet, Dark Chocolate/Cocoa Diet, Almond Diet, Dark Chocolate/Cocoa + Almond Diet
Other
Lead sponsor
Penn State University
Other
Eligibility
30 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Oct 21, 2026, 5:52 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Beef Versus Whey Protein: The Gut Showdown Self-Experiment

NCT07477223
View directory record Official record
Conditions
Digestion
Interventions
Beef protein, Chocolate whey protein
Dietary Supplement
Lead sponsor
Efforia, Inc
Industry
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Oct 21, 2026, 5:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Daily Doses of Rice or Whey Protein on Resistance Training Adaptations

NCT04411173
View directory record Official record
Conditions
Hypertrophy
Interventions
Whey Protein
Dietary Supplement
Lead sponsor
Lindenwood University
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Saint Charles, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 2, 2020 · Synced Oct 21, 2026, 5:52 PM EDT
Recruiting Phase 3 Interventional

The COCOA-PAD II Trial

NCT04794530
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Oct 21, 2026, 5:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Absorption and Metabolism of Dietary Cocoa Procyanidins in Humans

NCT01483508
View directory record Official record
Conditions
Healthy
Interventions
Flavanol- and procyanidins-containing drink, Procyanidins-containing drink, Flavanol-containing drink
Other
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 70 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Oct 25, 2012 · Synced Oct 21, 2026, 5:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Soy as an Innovative Dietary Component in Abdominal Obesity Management Amongst Peri- and Early Menopausal Women

NCT02375113
View directory record Official record
Conditions
Central Obesity
Interventions
soy supplementation
Dietary Supplement
Lead sponsor
The University of Texas at San Antonio
Other
Eligibility
45 Years to 60 Years · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated May 10, 2024 · Synced Oct 21, 2026, 5:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Absorption, Metabolism and Excretion of Dietary Polyphenolic Bioactives in Humans

NCT03194620
View directory record Official record
Conditions
Healthy
Interventions
Thearubigins, Theaflavins, Procyanidin Dimer B2 (DB2), (-)-Epigallocatechin-3-O-gallate (EGCG), (-)-Epicatechin-3-O-gallate (ECG), (-)-Epicatechin (EC), (-)-Epigallocatechin (EGC), Control
Other
Lead sponsor
University of California, Davis
Other
Eligibility
25 Years to 60 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Nov 6, 2017 · Synced Oct 21, 2026, 5:52 PM EDT
Completed Not applicable Interventional

Effects of Epicatechin on Functional Capacity, Skeletal Muscle Structure and Diastolic Function in Patients With Heart Failure With Preserved Ejection Fraction (HFPEF)

NCT02068040
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 3, 2015 · Synced Oct 21, 2026, 5:52 PM EDT
Not yet recruiting Not applicable Interventional

Elucidating the Effect of Dietary Stearic Acid on the Regional Heterogeneity of the Gut Microbiome and Metabolome: Focus on Bile Acid Metabolism (SAMPill Study)

NCT07766915
View directory record Official record
Conditions
CVD Risk
Interventions
High Palmitic Acid Diet, High Stearic Acid Diet
Other
Lead sponsor
Tufts University
Other
Eligibility
50 Years and older · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 21, 2026, 5:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cannabis Edibles Packaging Descriptors Experiment

NCT06171399
View directory record Official record
Conditions
Cannabis Use
Interventions
"All Natural" descriptor, "Gluten-free" descriptor, "Vegan" descriptor, "100% Organic" descriptor, "Handcrafted" descriptor, "Made with live resin" descriptor, "Fast-acting" descriptor, "Relax" descriptor, "Energy Boost" descriptor, No descriptor (control)
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 65 Years
Enrollment
2,521 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 9, 2025 · Synced Oct 21, 2026, 5:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Interaction of Salivary Proteins and Polyphenols

NCT03501238
View directory record Official record
Conditions
Diet Habit, Diet Modification, Taste, Altered, Saliva Altered
Interventions
Chocolate Milk, Chocolate milk substitute, Chocolate milk substitute with gelatin
Other
Lead sponsor
Purdue University
Other
Eligibility
18 Years to 45 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 25, 2023 · Synced Oct 21, 2026, 5:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Soy, Bone and Health in College Females

NCT00244478
View directory record Official record
Conditions
Osteoporosis, Obesity
Interventions
Soy Protein Dietary Supplement, Placebo
Dietary Supplement
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 19 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2006
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 25, 2015 · Synced Oct 21, 2026, 5:52 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

The Impact of Product Formulation on the Pharmacokinetics and Pharmacodynamics of Cannabis Edibles

NCT05602649
View directory record Official record
Conditions
Cannabis Use
Interventions
Cannabis, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 55 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 21, 2026, 5:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Protein Source on Appetite Control, Satiety, and Subsequent Food Intake: A Clinical Screening Study

NCT03595436
View directory record Official record
Conditions
Appetitive Behavior
Interventions
Pea Protein-20g, Pea Protein-30g, Pea Protein-40g, Whey Protein-20g, Carbohydrate Control
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
20 Years to 40 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 2, 2019 · Synced Oct 21, 2026, 5:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cannabis Edibles Packaging Imagery Experiment

NCT06358144
View directory record Official record
Conditions
Cannabis Use
Interventions
Packaging imagery, No Imagery (Control)
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 65 Years
Enrollment
1,260 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 8, 2025 · Synced Oct 21, 2026, 5:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Xoçai Antioxidant Supplements on Atherosclerosis Risk Factors

NCT00666250
View directory record Official record
Conditions
Hypertension, Dyslipidemia, Hyperglycemia
Interventions
Xocai Activ drink
Dietary Supplement
Lead sponsor
University of Utah
Other
Eligibility
18 Years to 95 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 8, 2016 · Synced Oct 21, 2026, 5:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Exercise on Chocolate Addiction

NCT03356509
View directory record Official record
Conditions
Acute Exercise and Addictive Behavior
Interventions
Exercise
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 45 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Sep 18, 2018 · Synced Oct 21, 2026, 5:52 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Complementary and Alternative Medicine for Urological Symptoms(CAMUS)

NCT00603304
View directory record Official record
Conditions
Urological
Interventions
Saw Palmetto - first 24 weeks, Placebo - first 24 weeks, Saw Palmetto - weeks 24 - 48, Placebo - weeks 24 - 48, Saw Palmetto - weeks 48 - 72, Placebo - weeks 48 - 72
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
45 Years and older · Male only
Enrollment
369 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
10
States / cities
Oakland, California • Aurora, Colorado • New Haven, Connecticut + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 12, 2012 · Synced Oct 21, 2026, 5:52 PM EDT
Completed Not applicable Interventional

Unsaturated Fatty Acids to Improve Cardiorespiratory Fitness in Obesity and HFpEF

NCT03966755
View directory record Official record
Conditions
Obesity, Heart Failure With Normal Ejection Fraction
Interventions
UFA dietary recommendations
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 3, 2024 · Synced Oct 21, 2026, 5:52 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

24-hour Mifepristone and Buccal Versus Mifepristone and Vaginal Misoprostol for Cervical Preparation for D&E

NCT03134183
View directory record Official record
Conditions
Abortion, Second Trimester
Interventions
Vaginal Misoprostol, Buccal Misoprostol
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jul 18, 2018 · Synced Oct 21, 2026, 5:52 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Dairy Choline Bioavailability

NCT06902480
View directory record Official record
Conditions
Post-menopausal Women, Post-menopausal Status
Interventions
WPPC, Whole egg powder
Dietary Supplement
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
51 Years to 70 Years · Female only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 21, 2026, 5:52 PM EDT
Completed Not applicable Interventional

Cognitive and Affective Mechanisms Underlying an Olfactory Approach to Modify Cigarette Craving

NCT04902469
View directory record Official record
Conditions
Craving
Interventions
Pleasant Odor, Odor Blank
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 49 Years
Enrollment
232 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 21, 2026, 5:52 PM EDT