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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

Low Intensity Weight Loss for Young Adults

NCT02736981
View directory record Official record
Conditions
Obesity
Interventions
Behavioral Weight Loss (BWL), BWL + Autonomous Motivation, BWL + Extrinsic Motivation
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 25 Years
Enrollment
382 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 6, 2023 · Synced Sep 5, 2026, 7:36 AM EDT
Completed Not applicable Interventional

Effects of Choice Bundling on Valuation of Delayed Gains and Losses in Cigarette Smokers

NCT05110716
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Bundle-size 1, Bundle-size 3, Bundle-size 9
Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
21 Years and older
Enrollment
308 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 23, 2025 · Synced Sep 5, 2026, 7:36 AM EDT
Completed Not applicable Interventional Results available

Randomized Trial of Interventions to Improve Warfarin Adherence

NCT00904982
View directory record Official record
Conditions
Atrial Fibrillation, Deep Vein Thrombosis, Dilated Cardiomyopathies
Interventions
Financial Incentive and Med-eMonitor, 2Med-eMonitor
Behavioral · Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
268 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 15, 2017 · Synced Sep 5, 2026, 7:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Assessing the Impact of myHealth Rewards Program-related Communications on Enrollment: Replication

NCT04289623
View directory record Official record
Conditions
Health Promotion, Wellness Program
Interventions
Email, Loss frame, Testimonial (medical expert), Testimonial (rank-and-file), Social norms (percentage), Social norms (number)
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
13,546 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 8, 2021 · Synced Sep 5, 2026, 7:36 AM EDT
Completed No phase listed Observational

Developing Field Tools for Real-Time Assessment of Exposure to Psychosocial Stress and Drug Use in an Outpatient Treatment Population

NCT00787423
View directory record Official record
Conditions
Stress, Drug Abuse
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
373 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 5, 2026, 7:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Randomized Clinical Trial to Reduce Harm From Tobacco

NCT02328794
View directory record Official record
Conditions
Smoking Cessation
Interventions
E-cigarette free access, E-cigarette/NRT/Zyban/Chantix Choice, Outcome Incentive arm, Loss framing incentive arm, Control
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 99 Years
Enrollment
6,006 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 1, 2017 · Synced Sep 5, 2026, 7:36 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 Aug 31, 2026 · Synced Sep 5, 2026, 7:36 AM EDT
Recruiting Not applicable Interventional

Mechanisms of Depression and Anhedonia in Adolescents: Linking Sleep to Reward- and Stress-Related Brain Function

NCT05691439
View directory record Official record
Conditions
Depression in Adolescence
Interventions
Sleep extension and advance, Regular sleep duration and timing
Behavioral
Lead sponsor
University of Oregon
Other
Eligibility
14 Years to 18 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 16, 2025 · Synced Sep 5, 2026, 7:36 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Moms and Babies Health and Well-being

NCT06923371
View directory record Official record
Conditions
Maternal and Child Health Outcomes
Interventions
Direct Cash Support for Maternal and Infant Health (High fee), Behavioral: Direct Cash Support for Maternal and Infant Health (Low fee)
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Female only
Enrollment
1,250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 5, 2026, 7:36 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Evaluation of Decision-Making Fatigue After Traumatic Brain Injury

NCT07103200
View directory record Official record
Conditions
TBI (Traumatic Brain Injury)
Interventions
COGED, Restless Bandit
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 4, 2026 · Synced Sep 5, 2026, 7:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Mechanisms of Mindfulness for Smoking Cessation

NCT02943499
View directory record Official record
Conditions
Smoking Cessation
Interventions
App/Training, Smartphone
Behavioral · Device
Lead sponsor
Brown University
Other
Eligibility
21 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 18, 2019 · Synced Sep 5, 2026, 7:36 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Study Brain Mechanisms of Frustration With Magnetoencephalography in Healthy Volunteers

NCT06484088
View directory record Official record
Conditions
Irritability
Interventions
Frustration task
Other
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years to 55 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
Bethesda, Maryland • College Station, Texas
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 5, 2026, 7:36 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Assessing the Impact of myHealth Rewards Enrollment Emails

NCT03965754
View directory record Official record
Conditions
Health Promotion, Wellness Programs
Interventions
Social norms, Loss framing, Email reminder
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
5,697 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 25, 2021 · Synced Sep 5, 2026, 7:36 AM EDT
Recruiting Not applicable Interventional

Contingency Management to Improve Medication for Opioid Use Disorder Continuation After the Emergency Department

NCT07129902
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Contingency Management, Usual care as prescribed by the ED physicians
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Sep 5, 2026, 7:36 AM EDT
Completed Not applicable Interventional Results available

QuitBet Phase II: A Digital Social Game That Pays You to Stop Smoking

NCT05075213
View directory record Official record
Conditions
Smoking Cessation
Interventions
contingency management (deposit contract), leaderboard and social feed, smoking cessation resource list
Behavioral
Lead sponsor
WayBetter, Inc.
Industry
Eligibility
21 Years and older
Enrollment
245 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 5, 2026, 7:36 AM EDT
Not listed Not applicable Interventional

Evaluation of the FELLAS Responsible Fatherhood Project

NCT05412641
View directory record Official record
Conditions
Responsible Fatherhood
Interventions
Intervention - Responsible Fatherhood Programming
Other
Lead sponsor
Partnership for Maternal & Child Health of Northern New Jersey
Other
Eligibility
18 Years and older · Male only
Enrollment
540 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 8, 2022 · Synced Sep 5, 2026, 7:36 AM EDT
Completed Phase 2Phase 3 Interventional

Tobacco Use in Opioid Agonist Treated Pregnant Women

NCT00497068
View directory record Official record
Conditions
Nicotine Dependence
Interventions
tobacco abstinent contingent, non-contingent, control
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2013 · Synced Sep 5, 2026, 7:36 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Miracle Messages Evaluation

NCT05408884
View directory record Official record
Conditions
Homelessness
Interventions
Social Support, Basic income
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
759 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 14, 2023 · Synced Sep 5, 2026, 7:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Promoting Adolescent Investment In Diabetes Care

NCT04516694
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Financial incentive (gain), Financial incentive (loss)
Behavioral
Lead sponsor
Harvard Pilgrim Health Care
Other
Eligibility
12 Years to 18 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 4, 2024 · Synced Sep 5, 2026, 7:36 AM EDT
Completed Not applicable Interventional Results available

Mobile Contingency Management for Marijuana and Tobacco Cessation

NCT02869451
View directory record Official record
Conditions
Cigarette Smoking, Marijuana Abuse
Interventions
bupropion, transdermal nicotine patch, Nicotine polacrilex, nicotine lozenge, counseling for marijuana and smoking cessation, mobile contingency management
Drug · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 70 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 6, 2020 · Synced Sep 5, 2026, 7:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Financial Incentives to Exercise for Adolescents

NCT01848353
View directory record Official record
Conditions
Insulin Resistance, Obesity, Sedentary Lifestyle
Interventions
Exercise training
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
11 Years to 20 Years
Enrollment
142 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
2
States / cities
Hugo, Oklahoma • Talihina, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 2, 2019 · Synced Sep 5, 2026, 7:36 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Linking Brain Network Dynamics to Imminent Smoking Lapse Risk and Behavior

NCT05572671
View directory record Official record
Conditions
Smoking, Tobacco Use
Interventions
Laboratory task modeling smoking lapse behavior
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
21 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Sep 5, 2026, 7:36 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Identifying the Neural Correlates of Mental Simulation in Multi-Step Planning

NCT07293637
View directory record Official record
Conditions
Decision Making, Cognition, Mental Simulation, Problem Solving, Planning
Interventions
Four-in-a-Row Task
Behavioral
Lead sponsor
New York University
Other
Eligibility
18 Years to 64 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Sep 5, 2026, 7:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Understanding Mechanisms of Health Behavior Change

NCT03192254
View directory record Official record
Conditions
Overweight and Obesity, Diet Modification, Incentives
Interventions
self-monitoring, daily monetary incentives, delayed lump sum monetary incentives
Behavioral
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 31, 2023 · Synced Sep 5, 2026, 7:36 AM EDT