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Showing 1–24 of 25 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Voucher reinforcement Clear all
Completed Not applicable Interventional

Contingency Management for Cocaine Dependence: Cash Versus Vouchers

NCT01366716
View directory record Official record
Conditions
Substance Related Disorders, Drug Addiction, Substance Abuse
Interventions
Cash CM, Voucher CM
Behavioral
Lead sponsor
Treatment Research Institute
Other
Eligibility
18 Years and older
Enrollment
352 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 27, 2023 · Synced Sep 4, 2026, 2:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Lifestyle Intervention Forever: Healthy Weight for Pregnancy and Birth (Pilot Study)

NCT01693666
View directory record Official record
Conditions
Pregnancy, Obesity, Weight Gain, Obstetric Complications
Interventions
Lifestyle intervention
Behavioral
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 1, 2015 · Synced Sep 4, 2026, 2:22 PM EDT
Completed Not applicable Interventional

Internet-based Group Contingency Management to Promote Smoking Abstinence

NCT01181661
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Full Group Contingency, Mixed Group Contingency
Behavioral
Lead sponsor
National Development and Research Institutes, Inc.
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
2
States / cities
Gainesville, Florida • New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 24, 2014 · Synced Sep 4, 2026, 2:22 PM 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 4, 2026, 2:22 PM EDT
Completed Not applicable Interventional

Evaluating Three Methods for Helping Syringe Exchangers Begin Methadone Maintenance

NCT01142986
View directory record Official record
Conditions
Substance Abuse Disorder
Interventions
Low intensity care, Voucher reinforcement
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 29, 2018 · Synced Sep 4, 2026, 2:22 PM 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 4, 2026, 2:22 PM EDT
Terminated Not applicable Interventional

ASK-PrEP (Assistance Services Knowledge-PrEP)

NCT05934877
View directory record Official record
Conditions
Substance Use Disorders, HIV
Interventions
PrEP navigation + text messaging, Standard of Care, Contingency Management
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older · Male only
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Sep 4, 2026, 2:22 PM 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 4, 2026, 2:22 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Voucher-Based Incentives in a Prevention Setting

NCT00607269
View directory record Official record
Conditions
Substance-related Disorders
Interventions
Voucher-Based Reinforcement Therapy
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2013 · Synced Sep 4, 2026, 2:22 PM EDT
Completed Phase 2 Interventional

Effectiveness and Costs of Enhanced Cocaine Treatments

NCT00167258
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Voucher Reinforcement, Extra Counseling Services, Voucher Reinforcement + Extra Counseling Services
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Timeline
Ends 2007
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 14, 2009 · Synced Sep 4, 2026, 2:22 PM EDT
Completed Not applicable Interventional Results available

Prolonged Exposure Therapy for PTSD and Opioid Use Disorder

NCT04104022
View directory record Official record
Conditions
Post Traumatic Stress Disorder, Opioid-use Disorder
Interventions
Prolonged Exposure Therapy, Attendance-based monetary incentives
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Sep 4, 2026, 2:22 PM EDT
Completed Not applicable Interventional

Technological Innovations in Behavioral Treatments for Cigarette Smoking

NCT00926939
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Reinforcement for the abstinence of smoking, Reinforcement for submission of videos with CO sample
Behavioral
Lead sponsor
National Development and Research Institutes, Inc.
Other
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 13, 2015 · Synced Sep 4, 2026, 2:22 PM 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 4, 2026, 2:22 PM EDT
Completed Phase 2 Interventional

Behavioral Treatment for Cocaine Dependent Women

NCT00914381
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Behavioral therapy
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1994 – 2002
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 30, 2020 · Synced Sep 4, 2026, 2:22 PM EDT
Completed Phase 2 Interventional Results available

Employment-Based Depot Naltrexone Clinical Trial II

NCT00684775
View directory record Official record
Conditions
Opiate Dependence
Interventions
Work Plus Naltrexone Contingency
Combination Product
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 22, 2018 · Synced Sep 4, 2026, 2:22 PM EDT
Completed Not applicable Interventional

Contingency Outcomes in Prolonged Exposure

NCT01693978
View directory record Official record
Conditions
Posttraumatic Stress Disorder, Substance Use Disorder
Interventions
Prolonged Exposure Therapy, Voucher-Based Reinforcement
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 30, 2016 · Synced Sep 4, 2026, 2:22 PM 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 4, 2026, 2:22 PM EDT
Withdrawn Not applicable Interventional

A Comprehensive Disease Management Program for Medically-Complex Substance Users

NCT00865956
View directory record Official record
Conditions
Substance-related Disorder
Interventions
Contingency Management, Case management
Behavioral · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 9, 2018 · Synced Sep 4, 2026, 2:22 PM EDT
Completed Not applicable Interventional

Treatment for Psychological and Drug Abuse Problems

NCT01140334
View directory record Official record
Conditions
Substance Use Disorders
Interventions
Voucher Reinforcement, Standard Control
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 19, 2013 · Synced Sep 4, 2026, 2:22 PM EDT
Completed Not applicable Interventional Results available

Contingency Management for Smoking in Substance Abusers

NCT00807742
View directory record Official record
Conditions
Substance Abuse
Interventions
Nicotine Replacement Treatment (NRT), Brief Advice, Contingency Management, Non-Contingent Reinforcement
Drug · Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
340 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jan 22, 2019 · Synced Sep 4, 2026, 2:22 PM 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 4, 2026, 2:22 PM EDT
Recruiting Not applicable Interventional

Neuroimaging of Adolescent Cannabis Use Treatment

NCT07340554
View directory record Official record
Conditions
Cannabis Use, Cannabis Dependence, Cannabis Use Disorder, Cannabis Abuse, Cannabis Intoxication, Cannabis Smoking, Cannabis Withdrawal, Cannabis-Related Disorder, Cannabis Abuse, in Remission, Cannabis Abuse, Episodic Use, Marijuana, Marijuana Abuse, Marijuana Use, Marijuana Smoking, Marijuana Dependence, Marijuana User, Marijuana-Related Disorder, Marijuana Use Disorder, Addiction, Addiction, Substance, Substance Use, Substance Use Disorders, Substance Dependence, Substance Abuse, Substance Related Problem, Substance Abuse Drug Chronic
Interventions
Contingency Management, Elastic Net Regression
Behavioral · Device
Lead sponsor
Indiana University
Other
Eligibility
14 Years to 17 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Sep 4, 2026, 2:22 PM EDT
Completed Not applicable Interventional Results available

Efficacy of Computer Delivered Community Reinforcement Approach (CRA) (Bup II)

NCT00929253
View directory record Official record
Conditions
Opiate Addiction
Interventions
Suboxone, CRA, Therapy, CM
Drug · Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated May 26, 2022 · Synced Sep 4, 2026, 2:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Reduction of Drug Use and HIV Risk Among Out-of-Treatment Methamphetamine Users

NCT01161485
View directory record Official record
Conditions
HIV Infections
Interventions
HIV Testing and Counseling, Contingency Management, Strengths-based case management
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
502 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2016
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 19, 2017 · Synced Sep 4, 2026, 2:22 PM EDT