Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 2, 2026, 7:59 AM EDT

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

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: Contingency Reinforcement Clear all
Completed Phase 2 Interventional Results available

Employment-Based Depot Naltrexone Clinical Trial

NCT00684788
View directory record Official record
Conditions
Opiate Dependence
Interventions
employment-based reinforcement
Combination Product
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 25, 2017 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Phase 2 Interventional

Combined Buprenorphine and Behavioral Treatment With and Without Contingent Reinforcement on Opioid and Cocaine Abstinence. - 22

NCT00000240
View directory record Official record
Conditions
Cocaine-Related Disorders, Opioid-Related Disorders
Interventions
Buprenorphine
Drug
Lead sponsor
University of Vermont
Other
Eligibility
23 Years to 47 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jun 2, 2015 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Development of a Methamphetamine Early Intervention

NCT01174654
View directory record Official record
Conditions
HIV, Sexual Behavior, Methamphetamine, Behavioral Research
Interventions
Contingency management
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Male only
Enrollment
127 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 12, 2012 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Testing a Promising Treatment for Youth Substance Abuse in a Community Setting

NCT02130479
View directory record Official record
Conditions
Substance Abuse, Delinquency, Mental Health
Interventions
Contingency Management-Family Engagement, Treatment as Usual
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
12 Years to 17 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Florence, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 5, 2018 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Phase 1 Interventional

Diversion to Treatment for Injection Drug Users Arrested for Possession of Heroin

NCT01723527
View directory record Official record
Conditions
Cocaine-Related Disorders, HIV, Heroin Dependence
Interventions
Methadone, Buprenorphine, Employment-based drug abstinence reinforcement
Drug · Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 10, 2014 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Changes in Cognition and Psychiatric Disorder Symptoms During Cannabis Abstinence Using a Novel Discordant Twin Design

NCT05160688
View directory record Official record
Conditions
Cannabis
Interventions
Contingency management
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
31 Years to 47 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 2, 2026, 7:59 AM EDT
Not yet recruiting Not applicable Interventional

Why Wait? Initiating Contingency Management in Traumatically Injured Patients During Hospitalization

NCT06931197
View directory record Official record
Conditions
Contingency Management, Methamphetamine Use Disorder
Interventions
Contingency management
Behavioral
Lead sponsor
Queen's Medical Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Not applicable Interventional

Centralized Off-Site Adherence Enhancement Program

NCT01409655
View directory record Official record
Conditions
HIV/AIDS, Medication Adherence
Interventions
cognitive-behavioral therapy
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 24, 2016 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Phase 4 Interventional Results available

Abstinence Reinforcement Therapy (ART) for Homeless Veteran Smokers

NCT02245308
View directory record Official record
Conditions
Tobacco Use Disorder, Homelessness
Interventions
Nicotine Patches, mobile contingency management (mCM), Smoking cessation counseling, Nicotine rescue method, Bupropion
Drug · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 70 Years
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 3, 2022 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Phase 2 Interventional Results available

Computer-Assisted Intervention for Smoking During Pregnancy

NCT01028131
View directory record Official record
Conditions
Smoking
Interventions
Computer-delivered brief intervention (5As), Contingency Management
Behavioral
Lead sponsor
Wayne State University
Other
Eligibility
18 Years and older · Female only
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 9, 2013 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Phase 3 Interventional Results available

Development of Ingestible Biosensors to Enhance PrEP Adherence in Substance Users (PrEPSteps)

NCT03512418
View directory record Official record
Conditions
HIV Infections, Substance Use Disorders
Interventions
PrEPsteps, Digital pill, Truvada
Behavioral · Device · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older · Male only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Boylston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 16, 2025 · Synced Sep 2, 2026, 7:59 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Manualized Assessment and Treatment Model of Challenging Behavior

NCT05928247
View directory record Official record
Conditions
Problem Behavior, Aggression, Self-Injury
Interventions
Functional Communication Training (FCT), Non-Contingent Reinforcement (NCR), Competing Items and Response Blocking, Research Units in Behavioral Intervention (RUBI) protocol
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
3 Years to 17 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Somerset, New Jersey
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Contingent Incentives Plus Bupropion for Smoking in People With Schizophrenia

NCT00136760
View directory record Official record
Conditions
Schizophrenia and Disorders With Psychotic Features, Tobacco Use Disorder
Interventions
Bupropion, Contingent reinforcement plus placebo, non-contingent reinforcement plus bupropion, Non-contingent reinforcement plus placebo
Drug
Lead sponsor
Brown University
Other
Eligibility
18 Years to 80 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2009
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 6, 2015 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Not applicable Interventional

Remote Monitoring and Contingency Management Reinforcement for Alcohol Abstinence

NCT01307345
View directory record Official record
Conditions
Alcohol Use
Interventions
contingency management for abstinence
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 19, 2018 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Phase 2 Interventional Results available

Developing Adaptive Interventions for Cocaine Cessation and Relapse Prevention

NCT02896712
View directory record Official record
Conditions
Cocaine-Related Disorders
Interventions
Acceptance and Commitment Therapy (ACT), Drug Counseling (DC), Contingency Management (CM), Placebo, Modafinil
Behavioral · Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 60 Years
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 7, 2023 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessing the Mechanism of Change of Functional Analytic Psychotherapy

NCT03562962
View directory record Official record
Conditions
Interpersonal Functioning, Psychological Distress
Interventions
Functional Analytic Psychotherapy
Behavioral
Lead sponsor
University of Nevada, Reno
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated Dec 19, 2018 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Not applicable Interventional

Antiretroviral Therapy Adherence and Secondary Prevention of Human Immunodeficiency Virus

NCT01760759
View directory record Official record
Conditions
HIV
Interventions
cell phone reminders, contingency management for adherence
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2019
U.S. locations
2
States / cities
Farmington, Connecticut • New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Sep 12, 2019 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reducing Drug Use in Justice-Involved Emerging Adults

NCT05834881
View directory record Official record
Conditions
Substance-Related Disorders
Interventions
Contingency Management (CM) combined with vocational/educational coaching
Behavioral
Lead sponsor
Chestnut Health Systems
Other
Eligibility
18 Years to 30 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Not applicable Interventional Results available

Employment-based Reinforcement of Naltrexone Ingestion and Abstinence

NCT00149669
View directory record Official record
Conditions
Cocaine-Related Disorders, Heroin Dependence, Opioid-Related Disorders, Substance Abuse, Intravenous
Interventions
employment-based reinforcement
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 13, 2017 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Phase 2 Interventional Results available

The Separate and Combined Effects of Vivitrol and Opiate Abstinence Reinforcement in the Treatment of Opioid Dependence

NCT01556425
View directory record Official record
Conditions
Opioid Dependence
Interventions
Vivitrol, Employment-based opiate abstinence reinforcement, Usual Care Control
Drug · Behavioral · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 11, 2018 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Not applicable Interventional Results available

Long-term Behavior Change - 1

NCT00158197
View directory record Official record
Conditions
Amphetamine-related Disorders
Interventions
contingency management voucher
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years to 65 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
2
States / cities
Los Angeles, California • Rancho Cucamonga, California
Source: ClinicalTrials.gov public record
Updated Aug 24, 2015 · Synced Sep 2, 2026, 7:59 AM EDT
Recruiting Not applicable Interventional

Digital Wellness Nurse - FIT Families: Virtual Family Intervention for Adolescent Obesity

NCT07087808
View directory record Official record
Conditions
Obese Children and Adolescents
Interventions
Digital Wellness Nurse - FIT Families
Behavioral
Lead sponsor
Machine and Human Interaction
Industry
Eligibility
12 Years to 17 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 27, 2025 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Phase 3 Interventional

Comparing Acute and Continuous Drug Abuse Treatment: A Randomized Clinical Trial

NCT01003496
View directory record Official record
Conditions
Drug Addiction
Interventions
Treatment as Usual (TAU), TAU + Long-Term Recovery Management
Behavioral
Lead sponsor
Wright State University
Other
Eligibility
18 Years to 80 Years
Enrollment
204 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Sep 2, 2026, 7:59 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Reinforcement-Based Treatment and Abstinence-Contingent Housing for Drug Abusers

NCT00685620
View directory record Official record
Conditions
Drug Abuse
Interventions
Reinforcement Based Treatment
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
463 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 10, 2017 · Synced Sep 2, 2026, 7:59 AM EDT