Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 20, 2026, 1:37 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 529–552 of 649 matching trials from the live ClinicalTrials.gov search.
Conditions
Post-COVID-19 Syndrome, Fatigue Syndrome, Chronic
Interventions
Anhydrous Enol-Oxaloacetate, a "Medical Food", White Rice Flour
Other
Lead sponsor
Terra Biological LLC
Industry
Eligibility
18 Years to 70 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Completed Not applicable Interventional Accepts healthy volunteers Results available

Studying the Impact of Product Packaging in a Virtual Store Environment

NCT04381481
Conditions
Obesity, Childhood
Interventions
Experimental Drink: Nutrition claim on fruit drinks, Control Drink: No nutrition claim, Experimental snack: Text warning, Experimental snack: Graphic warning, Control snack: barcode label
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
2,374 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Alcoholism, Stress Disorders, Post-Traumatic
Interventions
Experiential acceptance, Cognitive restructuring, No-intervention control: Nutrition information
Behavioral · Other
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Withdrawn Not applicable Interventional Accepts healthy volunteers

Addressing Sleep Problems in Older Adults

NCT02593981
Conditions
Sleep
Interventions
Fruit/Honey drink, Placebo
Dietary Supplement
Lead sponsor
Mayo Clinic
Other
Eligibility
60 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Not applicable Interventional Accepts healthy volunteers

Effects of a Volunteer-based Lunch Program on Feelings of Loneliness in Elders

NCT03552328
Conditions
Aged, Loneliness, Depression, Anxiety
Interventions
Lunch with Medical Student, Control
Other
Lead sponsor
University of South Florida
Other
Eligibility
60 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Tampa, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Watermelon Dose Response Blood Pressure Study

NCT05892328
Conditions
Pre-hypertension, Cardiovascular Diseases
Interventions
Watermelon Flesh Dose 1, Watermelon Flesh Dose 2, Control
Other
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
25 Years to 65 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Completed Not applicable Interventional Accepts healthy volunteers

Probiotic Intervention Study

NCT06030362
Conditions
Obesity, Food Addiction
Interventions
Probiotic, Placebo
Dietary Supplement
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 50 Years
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Obesity
Interventions
Intervention
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
6 Years to 75 Years
Enrollment
876 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Obesity, Infant Obesity, Mother-Child Relations, Dietary Habits, Breast Feeding, Physical Activity, Childhood Obesity, Feeding Behavior
Interventions
Family Spirit Nurture (FSN), Injury Prevention Education (IPE), Optimized Standard Care (OSC)
Behavioral · Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
14 Years to 24 Years · Female only
Enrollment
259 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2023
U.S. locations
3
States / cities
Fort Defiance, Arizona • Whiteriver, Arizona • Shiprock, New Mexico
Conditions
Parkinson Disease, Idiopathic
Interventions
Amino acid supplement, Whey Protein Supplement, Isonitrogenous Placebo Supplement
Drug · Dietary Supplement
Lead sponsor
UConn Health
Other
Eligibility
55 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Farmington, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers

Anti-inflammatory Effect and Associated Mechanisms of Mango Consumption

NCT04726293
Conditions
Overweight or Obesity, Healthy
Interventions
Mango, Control
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
20 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Nonarteritic Anterior Ischemic Optic Neuropathy
Interventions
RPh201 Cohort A, Placebo Cohort A, RPh201 Cohort B, Placebo Cohort B
Drug · Other
Lead sponsor
Regenera Pharma Ltd
Industry
Eligibility
50 Years and older
Enrollment
165 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
15
States / cities
Palo Alto, California • Pasadena, California • Orange, Connecticut + 12 more
Completed Not applicable Interventional Accepts healthy volunteers

The Randomized Controlled Cocoa-Appetite Trial

NCT02408289
Conditions
Obesity
Interventions
Lo-Flav, Hi-Flav, Epicatechin, Procyanidins
Dietary Supplement
Lead sponsor
Brooklyn College of the City University of New York
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Brooklyn, New York
Conditions
Glioblastoma Multiforme
Interventions
arginine in powder form, Silica and cellulose placebo powder
Drug
Lead sponsor
Inova Health Care Services
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Fairfax, Virginia
Conditions
Prostate Cancer
Interventions
exercise intervention, nutritional supplementation, quality-of-life assessment, questionnaire administration, pharmacological study, laboratory biomarker analysis
Behavioral · Dietary Supplement · Procedure + 1 more
Lead sponsor
University of Southern California
Other
Eligibility
50 Years and older · Male only
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Obesity
Interventions
Web-based application connecting small food store owners and suppliers of healthier foods and beverages
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
21 Years to 75 Years
Enrollment
310 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Recruiting Not applicable Interventional Accepts healthy volunteers

NSS Grocery Store Brazil

NCT07249008
Conditions
Control Group, Mexico-based NSS FOPL, Brazil-based NSS FOPL
Interventions
Experimental : Mexico-based NSS FOPL, Experimental : Brazil-based NSS FOPL
Other
Lead sponsor
George Washington University
Other
Eligibility
20 Years and older
Enrollment
1,068 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Head and Neck Cancer
Interventions
fruit and vegetable extracts, placebo
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
28
States / cities
Santa Rosa, California • Newark, Delaware • Washington D.C., District of Columbia + 23 more
Conditions
Fatty Liver
Interventions
Polyunsaturated fatty acid (Opti-EPA), Placebo
Drug
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
2
States / cities
Cleveland, Ohio
Recruiting Not applicable Interventional Accepts healthy volunteers

Alcohol Sensitivity Among Older Adults Who Consume Alcohol

NCT07636447
Conditions
Healthy Adult Participants
Interventions
Alcohol (Oral), Placebo Control
Other
Lead sponsor
University of Florida
Other
Eligibility
65 Years to 80 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Gainesville, Florida
Completed Not applicable Interventional Accepts healthy volunteers

Buck Institute Ketone Ester RCT

NCT05585762
Conditions
Tolerance, Safety Issues, Aging
Interventions
Ketone ester, Non-ketone placebo
Other
Lead sponsor
Buck Institute for Research on Aging
Other
Eligibility
65 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Novato, California
Conditions
Type 2 Diabetes, Ketone Body Metabolism, Ketones, Metabolism
Interventions
Ketone Ester Acute, Placebo Acute
Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Daily Consumption of Eggs on Cognitive Function in the Elderly

NCT01621646
Conditions
Mild Cognitive Impairment
Interventions
eggs or egg whites
Other
Lead sponsor
Tufts University
Other
Eligibility
50 Years and older
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Sensory Analysis and Taste Modulation of Ketone Esters

NCT04289454
Conditions
Flavor Perception in Normal, Healthy Adults
Interventions
Flavor additive
Other
Lead sponsor
Monell Chemical Senses Center
Other
Eligibility
21 Years to 45 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania