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ClinicalTrials.gov public records Last synced Oct 21, 2026, 6:58 PM EDT

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Showing 1–24 of 304 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Placebo consumption Clear all
Terminated Phase 2 Interventional Results available

Thiamine as a Metabolic Resuscitator After Cardiac Arrest

NCT03450707
View directory record Official record
Conditions
Cardiac Arrest
Interventions
Thiamine 500 mg IV, Placebo
Drug · Other
Lead sponsor
Michael Donnino
Other
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 24, 2023 · Synced Oct 21, 2026, 6:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Blueberry Intervention Study for Brain Aging

NCT05024916
View directory record Official record
Conditions
Brain Aging
Interventions
Intervention, Control
Dietary Supplement
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
65 Years to 89 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Oct 21, 2026, 6:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Efficacy of Pre-sleep or Post-exercise Protein During 12 Weeks of Resistance Exercise Training

NCT05922475
View directory record Official record
Conditions
Aging
Interventions
Protein, Placebo
Dietary Supplement · Other
Lead sponsor
Florida State University
Other
Eligibility
60 Years to 75 Years · Male only
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Jun 28, 2023 · Synced Oct 21, 2026, 6:58 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Gabapentin for Abstinence Initiation in Alcohol Dependence

NCT01141049
View directory record Official record
Conditions
Alcohol Dependence
Interventions
Gabapentin, Placebo
Drug · Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2019 · Synced Oct 21, 2026, 6:58 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers Results available

The Effects of Exenatide, a GLP-1 Agonist, on Alcohol Self-Administration in Heavy Drinkers

NCT03645408
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Exenatide, Sham injection
Drug · Other
Lead sponsor
Boston Medical Center
Other
Eligibility
21 Years to 55 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 9, 2022 · Synced Oct 21, 2026, 6:58 PM EDT
Completed Not applicable Interventional

Blueberries for Improving Vascular Endothelial Function in Postmenopausal Women With Elevated Blood Pressure

NCT03370991
View directory record Official record
Conditions
Menopause, Elevated Blood Pressure, Hypertension, Endothelial Dysfunction
Interventions
Blueberry Powder, Placebo Powder
Dietary Supplement
Lead sponsor
Colorado State University
Other
Eligibility
45 Years to 65 Years · Female only
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 14, 2022 · Synced Oct 21, 2026, 6:58 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Grape Impact on Human Gut Microbiome

NCT07797803
View directory record Official record
Conditions
Gut Microbiomes
Interventions
Grape Powder, Placebo Powder
Dietary Supplement · Other
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
45 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 21, 2026, 6:58 PM EDT
Recruiting Phase 2 Interventional

Cannabidiol and Alcohol Use Disorder Phenotypes

NCT07279558
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Full-Spectrum Cannabidiol (CBD), Broad-Spectrum Cannabidiol (CBD), Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 21, 2026, 6:58 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Study of Changes in Total Cholesterol Levels as a Function of Consuming a Supplement Designed to Improve Cardiovascular Health

NCT01890889
View directory record Official record
Conditions
Cholesterol, Hyperlipidemia, Hypercholesteremia
Interventions
Ad-Chol-Pre, Half-dose Ad-Chol-Pre, Defatted egg yolk without the active ingredient of the other two interventions
Dietary Supplement · Other
Lead sponsor
Integrative Health Technologies, Inc.
Network
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Nov 25, 2013 · Synced Oct 21, 2026, 6:58 PM EDT
Enrolling by invitation Not applicable Interventional

Essential Amino Acid Supplementation in Adult Spinal Deformity Patients

NCT07341399
View directory record Official record
Conditions
Adult Spinal Deformity
Interventions
Essential Amino Acid Supplement by Amino Co, Placebo
Dietary Supplement
Lead sponsor
University of Arkansas
Other
Eligibility
40 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Oct 21, 2026, 6:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Biomarkers to Measure Treatment Response for Alcohol Dependence

NCT02315885
View directory record Official record
Conditions
Alcohol Dependence
Interventions
Alcohol administration; Placebo administration
Other
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
21 Years to 65 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
1
States / cities
Columbia, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 1, 2022 · Synced Oct 21, 2026, 6:58 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Effects of Almond Consumption on Functional Performance and Activity in Overweight Active Older Adults

NCT04778371
View directory record Official record
Conditions
Overweight
Interventions
Almonds, Placebo
Other
Lead sponsor
Florida State University
Other
Eligibility
50 Years to 59 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Oct 21, 2026, 6:58 PM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers

Ethanol and Cannabinoid Effects on Simulated Driving and Related Cognition: Substudy III

NCT02710331
View directory record Official record
Conditions
Cannabis, Alcohol Effect, Driving Under the Influence of Alcohol and Other Drugs
Interventions
Active Dronabinol, Placebo, Active Ethanol
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 55 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Oct 21, 2026, 6:58 PM EDT
Completed Phase 2 Interventional

Impact of Grape Consumption on Brain Metabolism and Neuropsychological Performance Over 1 Year

NCT03361410
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Grape Powder, Placebo Powder
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
65 Years to 85 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Oct 21, 2026, 6:58 PM EDT
Not listed Early Phase 1 Interventional Accepts healthy volunteers

Carbonic Anhydrase Inhibitors and Carbonation: A Novel Approach to Reduce Soda Consumption

NCT06110078
View directory record Official record
Conditions
Obesity
Interventions
Acetazolamide
Drug
Lead sponsor
University of Arizona
Other
Eligibility
18 Years to 100 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Oct 21, 2026, 6:58 PM EDT
Completed Phase 2 Interventional

The Effects of Apple Consumption on Cardiovascular Health in Prediabetics and Type 2 Diabetics

NCT02224365
View directory record Official record
Conditions
Diabetes, Cardiovascular Diseases, Prediabetes
Interventions
Apple, Placebo
Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
45 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Dec 8, 2016 · Synced Oct 21, 2026, 6:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Chronic Thermogenic Dietary Supplement Consumption

NCT05619809
View directory record Official record
Conditions
Body Composition Changes, Body Weight Changes, Anthropometric Changes, Metabolism Changes, Hemodynamic Changes
Interventions
Thermogenic dietary supplement, Protein supplement, Placebo supplement
Dietary Supplement
Lead sponsor
Texas Tech University
Other
Eligibility
18 Years to 40 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Oct 10, 2023 · Synced Oct 21, 2026, 6:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Acute Alcohol Response In Bipolar Disorder: a fMRI Study

NCT04063384
View directory record Official record
Conditions
Bipolar Disorder, Alcohol Drinking, Alcohol Use Disorder
Interventions
alcohol beverage, Placebo beverage
Other
Lead sponsor
University of Texas at Austin
Other
Eligibility
21 Years to 26 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Dec 11, 2025 · Synced Oct 21, 2026, 6:58 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effect of Tranexamic Acid (TXA) Administered Prior to Shoulder Arthroscopy on Postoperative Pain Medication Usage: A Randomized Controlled Trial

NCT06920264
View directory record Official record
Conditions
This Study Will Evaluate Whether TXA Reduces Pain
Interventions
Tranexamic acid, placebo
Drug · Other
Lead sponsor
St. Louis Joint Replacement Institute
Other
Eligibility
Not listed
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Bridgeton, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 9, 2025 · Synced Oct 21, 2026, 6:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cardiometabolic Effects of Sweet Cherry Juice

NCT03948061
View directory record Official record
Conditions
Obesity, Metabolic Syndrome
Interventions
Cherry juice, Placebo beverage
Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
20 Years to 65 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Oct 27, 2023 · Synced Oct 21, 2026, 6:58 PM EDT
Completed Phase 1 Interventional

Impact of Grape Consumption on Brain Metabolism and Cognitive Function

NCT01573611
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Grape Powder, Placebo Powder
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
65 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 4, 2014 · Synced Oct 21, 2026, 6:58 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study Evaluating the Safety, Tolerability, and Pharmacokinetics of Ziresovir in Healthy Subjects

NCT04788017
View directory record Official record
Conditions
Healthy Subjects
Interventions
Ziresovir, Placebo
Drug · Other
Lead sponsor
Shanghai Ark Biopharmaceutical Co., Ltd.
Industry
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Secaucus, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 15, 2022 · Synced Oct 21, 2026, 6:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Interactions of Human Gut Microbiota With Intestinal Sweet Taste Receptors

NCT03032640
View directory record Official record
Conditions
Obesity
Interventions
Oral Glucose Tolerance Test (OGTT), Assessment of dietary compliance, Stool sampling, Sodium Saccharin, Placebo, Lactisole
Other
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
18 Years to 45 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Feb 2, 2023 · Synced Oct 21, 2026, 6:58 PM EDT
Recruiting Phase 4 Interventional

Magnesium and Cramping

NCT06745388
View directory record Official record
Conditions
Uterine Cramps, Postoperative Pain Management, Hysteroscopy
Interventions
Magnesium sulfate, Ketamine, Placebo
Drug
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older · Female only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Royal Oak, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 20, 2025 · Synced Oct 21, 2026, 6:58 PM EDT