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ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:04 AM EDT

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Showing 145–168 of 658 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Reward Clear all
Completed No phase listed Observational Accepts healthy volunteers

Dopamine Function and Reward Processing In Schizophrenia

NCT01035996
View directory record Official record
Conditions
Schizophrenia
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 50 Years
Enrollment
159 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2017
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 9, 2019 · Synced Oct 21, 2026, 9:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Behavioral Processes Underlying Reward Processing in Depression

NCT00205933
View directory record Official record
Conditions
Major Depressive Disorder, Bipolar Disorder
Interventions
Not listed
Lead sponsor
Affective Neuroscience Laboratory
Other
Eligibility
18 Years to 64 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
2
States / cities
Boston, Massachusetts • Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 6, 2007 · Synced Oct 21, 2026, 9:04 AM EDT
Completed Not applicable Interventional Results available

Double-Blind 2-Site Randomized Clinical Trial of Neurofeedback for ADHD

NCT02251743
View directory record Official record
Conditions
Attention-Deficit/Hyperactivity Disorder
Interventions
Neurofeedback treatment
Device
Lead sponsor
Ohio State University
Other
Eligibility
7 Years to 10 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
2
States / cities
Asheville, North Carolina • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 29, 2020 · Synced Oct 21, 2026, 9:04 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Development Of Neuroimaging Methods To Assess The Neurobiology Of Addiction

NCT02535702
View directory record Official record
Conditions
Normal Physiology
Interventions
In vivo MRS, fMRI, EEG/EOG, Stimulation tasks, NSPRD, Structural MRI
Other
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years and older
Enrollment
192 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 21, 2026, 9:04 AM EDT
Recruiting Not applicable Interventional

Mechanisms of Risky Alcohol Use in Young Adults: Linking Sleep to Reward- and Stress-Related Brain Function

NCT05684094
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Sleep extension and advance, Regular sleep duration and timing
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
18 Years to 24 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 21, 2026, 9:04 AM EDT
Terminated Early Phase 1 Interventional Results available

Behavioral Effects of Drugs Inpatient 44 Neurobehavioral Mechanisms of Opioid Choice

NCT06312657
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Drug Cue, Money, Withdrawal, Remifentanil
Behavioral · Drug
Lead sponsor
Joshua A. Lile, Ph.D.
Other
Eligibility
18 Years to 50 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 21, 2026, 9:04 AM EDT
Completed Not applicable Interventional Results available

Neurocognitive Factors in Substance Use Treatment Response: The Ways of Rewarding Abstinence Project

NCT03799341
View directory record Official record
Conditions
Cocaine Use Disorder
Interventions
Prize-Based Contingency Management, Treatment As Usual Outpatient Substance Use Treatment
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 75 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 30, 2025 · Synced Oct 21, 2026, 9:04 AM EDT
Completed Not applicable Interventional

Family Promoting Positive Emotions Pilot Study

NCT05223842
View directory record Official record
Conditions
Depression, Anhedonia, Stress, Depressive Disorder, Behavioral Symptoms, Mood Disorders, Mental Disorder, Mood Disturbance
Interventions
Family Promoting Positive Emotions (F-PPE), Written Information
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
8 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 1, 2023 · Synced Oct 21, 2026, 9:04 AM EDT
Completed Not applicable Interventional Results available

Treatment for Affect Dimensions

NCT03439748
View directory record Official record
Conditions
Depression, Anxiety
Interventions
Positive Affect Treatment, Negative Affect Treatment
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 65 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
2
States / cities
Los Angeles, California • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 12, 2024 · Synced Oct 21, 2026, 9:04 AM EDT
Recruiting Not applicable Interventional

Positive Processes and Transition to Health (PATH)

NCT06093906
View directory record Official record
Conditions
Posttraumatic Stress Disorder, Major Depressive Disorder
Interventions
Positive Processes and Transition to Health, Progressive Muscle Relaxation
Behavioral
Lead sponsor
Case Western Reserve University
Other
Eligibility
18 Years to 65 Years
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
3
States / cities
Newark, Delaware • Cleveland, Ohio • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 21, 2026, 9:04 AM EDT
Active, not recruiting Phase 2 Interventional

The Role of Estrogen in the Neurobiology of Eating Disorders

NCT03740204
View directory record Official record
Conditions
Eating Disorders, Hypoestrogenemia
Interventions
17-β estradiol transdermal patches with cyclic progesterone, Placebo patch and pill
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
14 Years to 35 Years · Female only
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 29, 2026 · Synced Oct 21, 2026, 9:04 AM EDT
Recruiting Not applicable Interventional

RESTORE Study R61 Phase: Recovery and Engagement for Stimulant Users on Re-entry

NCT07136363
View directory record Official record
Conditions
HIV, Stimulant Use Disorder, Justice Involved Populations, HIV Prevention
Interventions
DynamiCare, Patient Navigation (PN)
Device · Behavioral
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
New Haven, Connecticut • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Oct 21, 2026, 9:04 AM EDT
Completed Not applicable Interventional Results available

Behavioral Activation for Smoking Cessation and the Prevention of Post-Cessation Weight Gain

NCT02906787
View directory record Official record
Conditions
Smoking Cessation, Weight Loss
Interventions
BAS+, SC
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
288 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 29, 2024 · Synced Oct 21, 2026, 9:04 AM EDT
Completed Not applicable Interventional Results available

A Mobile Health Intervention in Pulmonary Arterial Hypertension

NCT03069716
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Idiopathic Pulmonary Arterial Hypertension, Heritable Pulmonary Arterial Hypertension, Associated Pulmonary Arterial Hypertension
Interventions
Smartphone Text Messaging, Fitbit Charge HR
Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 25, 2021 · Synced Oct 21, 2026, 9:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Behavioral Activation in Orthopaedic Trauma Patients: A Pilot Study

NCT04426981
View directory record Official record
Conditions
Fractures, Bone
Interventions
Behavioral Activation
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jan 27, 2022 · Synced Oct 21, 2026, 9:04 AM EDT
Completed Not applicable Interventional Results available

Addressing Psychological Risk Factors Underlying Smoking Persistence in COPD Patients: The Fresh Start Study

NCT04043728
View directory record Official record
Conditions
Copd, Smoking Cessation, Nicotine Dependence, Tobacco Use, Cigarette Smoking
Interventions
Unified Protocol adapted for smoking cessation
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 17, 2021 · Synced Oct 21, 2026, 9:04 AM EDT
Completed Phase 2 Interventional Results available

A Trial of N-Acetylcysteine (an Over-the-Counter Medicine) in Adolescents Who Smoke Marijuana

NCT01005810
View directory record Official record
Conditions
Cannabis Dependence
Interventions
N-Acetylcysteine, placebo, Contingency Management
Drug · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
13 Years to 21 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 21, 2018 · Synced Oct 21, 2026, 9:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Low-Cost Contingency Management for Smoking Cessation

NCT01040260
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Counseling, Contingency management, Nicotine patches
Other · Behavioral · Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 6, 2018 · Synced Oct 21, 2026, 9:04 AM EDT
Completed No phase listed Observational

Effect of Gabapentin on GABA Concentration and Emotional Processing

NCT00094510
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 60 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 21, 2026, 9:04 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Stanford Regulating Circuits of the Brain Study - MDMA

NCT04060108
View directory record Official record
Conditions
Healthy
Interventions
MDMA
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 55 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jan 2, 2026 · Synced Oct 21, 2026, 9:04 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Contingency Management for Smoking Cessation in Homeless Smokers

NCT01789710
View directory record Official record
Conditions
Smoking, Homeless Persons
Interventions
Bupropion, Nicotine replacement therapy, Contingency Management
Drug · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 70 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Oct 21, 2026, 9:04 AM EDT
Active, not recruiting Not applicable Interventional

EPI-MINN: Targeting Cognition and Motivation

NCT05112432
View directory record Official record
Conditions
Psychosis
Interventions
Cognitive and Social Cognitive Training, Personalized Real-Time Intervention for Motivational Enhancement (PRIME) App, Early Psychosis Coordinated Specialty Care
Device · Behavioral · Other
Lead sponsor
University of Minnesota
Other
Eligibility
15 Years to 40 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
3
States / cities
Duluth, Minnesota • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 21, 2026, 9:04 AM EDT
Recruiting Not applicable Interventional

Temporal Interference in Psychiatry (TIP): Neuromodulation Using Temporal Interference

NCT07558759
View directory record Official record
Conditions
Anxiety, PTSD
Interventions
Electrical stimulation device
Device
Lead sponsor
Emory University
Other
Eligibility
18 Years to 65 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 21, 2026, 9:04 AM EDT
Completed Not applicable Interventional Results available

Financial Incentives for Homeless Smokers: A Community-based RCT

NCT04445662
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Financial incentives, Varenicline, Tobacco coaching
Behavioral · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 21, 2025 · Synced Oct 21, 2026, 9:04 AM EDT