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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional Accepts healthy volunteers

Effects of Blueberry on Cognition and Mobility in Older Adults

NCT01888848
View directory record Official record
Conditions
Aging, Age-Related Memory Disorders
Interventions
Freeze-dried Blueberry, Blueberry Placebo
Dietary Supplement
Lead sponsor
USDA Human Nutrition Research Center on Aging
Federal
Eligibility
60 Years to 75 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 26, 2015 · Synced Sep 24, 2026, 5:09 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

The Effects AZD8529 on Ketamine-induced Impairment of Working Memory in Healthy Volunteers

NCT00985933
View directory record Official record
Conditions
Healthy, Memory Impairment
Interventions
AZD8529, Placebo to match AZD8529
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
21 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 3, 2011 · Synced Sep 24, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acute Berry Intake on Metabolic Control and Cognitive Function

NCT03879213
View directory record Official record
Conditions
Healthy
Interventions
Active breakfast, Control breakfast
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
55 Years to 70 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 13, 2020 · Synced Sep 24, 2026, 5:09 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Nicotinic Modulation of the Default Network of Resting Brain Function

NCT01240616
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 55 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
2
States / cities
Baltimore, Maryland • Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 4, 2018 · Synced Sep 24, 2026, 5:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study of [4-14C] AEF0117 Following a Single Oral Dose in Healthy Male Subjects

NCT05554926
View directory record Official record
Conditions
Marijuana Abuse
Interventions
AEF0117
Drug
Lead sponsor
Aelis Farma
Industry
Eligibility
18 Years to 65 Years · Male only
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 6, 2023 · Synced Sep 24, 2026, 5:09 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

The Effects of ∆-9-THC and Naloxone in Humans

NCT01591629
View directory record Official record
Conditions
Healthy
Interventions
Naloxone, Delta-9-THC, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Sep 24, 2026, 5:09 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Reinforcing Effects of Marijuana and Opioids

NCT05485012
View directory record Official record
Conditions
Marijuana Use, Opioid Use
Interventions
Marijuana, Opioid
Drug
Lead sponsor
Shanna Babalonis, PhD
Other
Eligibility
18 Years to 50 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 24, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reinforcing Effects of Brief Exposures to Nitrous Oxide - 8

NCT00000256
View directory record Official record
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
20% N2O, 40% N2O, 60% N2O, 80% N2O
Drug
Lead sponsor
University of Chicago
Other
Eligibility
22 Years to 34 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1995 – 1996
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Sep 24, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cognitive Multi-Tasking Training in Healthy Older Adults

NCT04195230
View directory record Official record
Conditions
Age-related Cognitive Decline
Interventions
Multi-tasking Training
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
60 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 27, 2022 · Synced Sep 24, 2026, 5:09 PM EDT
Completed No phase listed Observational

Gastroenterology & Work Related Injuries

NCT04216212
View directory record Official record
Conditions
Gastroenterology & Work Related Injuries
Interventions
Not listed
Lead sponsor
Methodist Health System
Other
Eligibility
Not listed
Enrollment
99 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 18, 2020 · Synced Sep 24, 2026, 5:09 PM EDT
Completed Not applicable Interventional

School Health Center Healthy Adolescent Relationship Program

NCT01678378
View directory record Official record
Conditions
Adolescent Relationship Abuse
Interventions
SHARP Intervention
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
14 Years to 19 Years
Enrollment
1,012 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Apr 26, 2015 · Synced Sep 24, 2026, 5:09 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Wakaya: Rising Up for Choctaw Youth Health

NCT05818384
View directory record Official record
Conditions
Obesity, Adolescent, Healthy Nutrition, Sedentary Behavior, Drug Abuse
Interventions
Wakaya: Rising Up for Choctaw Youth Curriculum
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
12 Years to 19 Years
Enrollment
176 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
2
States / cities
Durant, Oklahoma • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 19, 2025 · Synced Sep 24, 2026, 5:09 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Pediatric Parenting Support in Flint

NCT03945552
View directory record Official record
Conditions
Healthy, Family Research
Interventions
Video Interaction Project
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
Not listed
Enrollment
486 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
2
States / cities
Flint, Michigan • New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Sep 24, 2026, 5:09 PM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

Effects of Cannabis on Cognition and Endocannabinoid Levels in Bipolar Disorder Patients and Healthy Volunteers

NCT04231643
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Dronabinol, Epidiolex, Placebos
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 50 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 9, 2024 · Synced Sep 24, 2026, 5:09 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

FMRI Study of Performance During a Probabilistic Reversal Learning Task in Depression

NCT00075296
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 50 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 24, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sevoflurane vs Nitrous Oxide Inhalation at Subanesthetic Concentrations - 11

NCT00000259
View directory record Official record
Conditions
Opioid-Related Disorders, Substance-Related Disorders
Interventions
15 % Nitrous oxide, 0.3 % Sevoflurane, 30% Nitrous oxide, 0.6% Sevoflurane, Placebo
Drug · Other
Lead sponsor
University of Chicago
Other
Eligibility
21 Years to 39 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1996 – 1997
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Sep 24, 2026, 5:09 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Pupillary Dilation Reflex in Healthy Volunteers

NCT07746167
View directory record Official record
Conditions
Healthy Participants
Interventions
No intervention (observational study)
Other
Lead sponsor
Children's National Research Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Sep 24, 2026, 5:09 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Maternal Risk Factors for Autism Spectrum Disorders: A Case-Control Approach

NCT05453708
View directory record Official record
Conditions
Autism, Autism Spectrum Disorder, Autistic Disorder, Pregnancy Related, Diet, Healthy, Diet; Deficiency, Folate Deficiency, Folic Acid Deficiency, Folic Acid Overdose
Interventions
Survey
Other
Lead sponsor
Walden University
Other
Eligibility
18 Years and older · Female only
Enrollment
239 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 19, 2023 · Synced Sep 24, 2026, 5:09 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Pennsylvania Study Of Chronic Obstructive Pulmonary Exacerbations

NCT00774176
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
Not listed
Lead sponsor
Temple University
Other
Eligibility
40 Years to 80 Years
Enrollment
1,066 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2008
U.S. locations
3
States / cities
Lancaster, Pennsylvania • Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 28, 2017 · Synced Sep 24, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Bioavailability and Pharmacokinetic Parameters of Watermelon (Rind, Flesh and Seeds) Polyphenols

NCT03365960
View directory record Official record
Conditions
Healthy Subjects
Interventions
Watermelon Rind, Watermelon Flesh, Watermelon Seeds, Placebo
Dietary Supplement
Lead sponsor
Clinical Nutrition Research Center, Illinois Institute of Technology
Industry
Eligibility
20 Years to 45 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 13, 2020 · Synced Sep 24, 2026, 5:09 PM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

N-acetylcysteine Effects on Tetrahydrocannabinol

NCT02335060
View directory record Official record
Conditions
Healthy
Interventions
Delta-9-THC, N-acetylcysteine, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 30, 2022 · Synced Sep 24, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Active Dads Healthy Families

NCT04505085
View directory record Official record
Conditions
Health Behavior
Interventions
Active Dads Healthy Families: Outdoor Education, Active Dads Healthy Families: Fitness
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 10, 2022 · Synced Sep 24, 2026, 5:09 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biomarker Identification in Orthopaedic & Oral Maxillofacial Surgery Subjects to Identify Risks of Bisphosphonate Use

NCT01875458
View directory record Official record
Conditions
Osteoporosis, With or Without Treatment, Bisphosphonate Treatment, Atypical Femur Fracture, Bisphosphonate Related Osteonecrosis of the Jaws (BRONJ), Healthy Volunteers
Interventions
Not listed
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
314 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 12, 2023 · Synced Sep 24, 2026, 5:09 PM EDT
Completed Not applicable Interventional

Safe, Healthy, Adolescent Relationships and Peers

NCT02420548
View directory record Official record
Conditions
Juvenile Delinquency Unspecified, Risk Behavior, Adolescent Behavior, Sexual Behavior, Drug Use
Interventions
Parent Ed. and Youth Skills Coaching, Services as Usual
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
13 Years to 18 Years · Female only
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2022
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated May 10, 2023 · Synced Sep 24, 2026, 5:09 PM EDT