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Showing 1–21 of 21 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Voucher CM Clear all
Completed Phase 2 Interventional Results available

Carbidopa/Levodopa Combined With Behavioral Therapy for the Treatment of Cocaine Dependence

NCT00713583
View directory record Official record
Conditions
Cocaine Dependence
Interventions
levodopa, Placebo, Cognitive Behavioral Therapy, Contingency Management
Drug · Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 60 Years
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 22, 2018 · Synced Sep 6, 2026, 11:56 AM EDT
Recruiting Not applicable Interventional

The HVIP+ Community Model

NCT07539142
View directory record Official record
Conditions
Hospital-based Violence Intervention, Community Firearm Violence, Firearm Behaviors
Interventions
Brief Bedside, Peer Support, Case Management + Voucher, SELF Group Therapy Sessions
Behavioral
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years and older
Enrollment
208 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 6, 2026, 11:56 AM EDT
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 6, 2026, 11:56 AM 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 6, 2026, 11:56 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 6, 2026, 11:56 AM EDT
Completed Not applicable Interventional

Improving Antihypertensive Medication Adherence

NCT01296594
View directory record Official record
Conditions
High Blood Pressure, Substance Abuse
Interventions
Usual Care, Contingency Management
Other · Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 8, 2019 · Synced Sep 6, 2026, 11:56 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Pharmacotherapy & CM for Opioid and Cocaine Dependence

NCT00838981
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Modafinil, Sugar Pill, Contingency Management, Methadone, cognitive behavioral treatment, Voucher Control
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 2, 2021 · Synced Sep 6, 2026, 11:56 AM 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 6, 2026, 11:56 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Kentucky Women's Justice Community Overdose Innovation Network - Phase II

NCT07179614
View directory record Official record
Conditions
Overdose Risk, Opioid Use Disorder, Stimulant Use Disorders
Interventions
Overdose Prevention Intervention Package (OPIP)
Behavioral
Lead sponsor
Michele Staton
Other
Eligibility
18 Years and older · Female only
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
2
States / cities
Harlan, Kentucky • Hyden, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 6, 2026, 11:56 AM 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 6, 2026, 11:56 AM 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 6, 2026, 11:56 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Medications for Stopping Cocaine Dependence and Preventing Relapse

NCT00218023
View directory record Official record
Conditions
Cocaine Abuse, Cocaine-Related Disorders
Interventions
Modafinil, Levodopa/Carbidopa, Naltrexone HCl, Placebo, Motivational Interviewing (MI), Contingency management (CM), Cognitive-Behavioral Therapy (CBT)
Drug · Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 55 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 8, 2017 · Synced Sep 6, 2026, 11:56 AM 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 6, 2026, 11:56 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 6, 2026, 11:56 AM 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 6, 2026, 11:56 AM 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 6, 2026, 11:56 AM EDT
Completed Phase 3 Interventional

Combining Behavioral Treatment With Agonist Maintenance - 1

NCT00000311
View directory record Official record
Conditions
Cocaine-Related Disorders, Opioid-Related Disorders, Substance-Related Disorders
Interventions
Buprenorphine, methadone
Drug
Lead sponsor
Yale University
Other
Eligibility
Not listed
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 1999
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 16, 2018 · Synced Sep 6, 2026, 11:56 AM 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 6, 2026, 11:56 AM EDT
Completed Not applicable Interventional

Vouchers vs. Prizes for Cocaine-Dependent Methadone Patients - 2

NCT00249535
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Contingency management
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2011
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 29, 2012 · Synced Sep 6, 2026, 11:56 AM EDT
Completed Phase 2 Interventional Results available

Contingency Management for Methamphetamine Abstinence and HIV Post-Exposure Prophylaxis in Men Who Have Sex With Men

NCT00856323
View directory record Official record
Conditions
Amphetamine-Related Disorders, HIV, HIV Infections
Interventions
Truvada, CM
Drug · Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older · Male only
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 19, 2016 · Synced Sep 6, 2026, 11:56 AM EDT
Completed Phase 1 Interventional

Cognitive-Behavioral Treatment of Gambling

NCT00118391
View directory record Official record
Conditions
Gambling, Mental Health
Interventions
Cognitive behavior therapy, Contingency management
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 30, 2013 · Synced Sep 6, 2026, 11:56 AM EDT