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Showing 1–20 of 20 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Abstinence & Work Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

Neurobiology of Nicotine and Non-nicotine Components of Tobacco Addiction

NCT01056926
View directory record Official record
Conditions
Smoking
Interventions
Quit smoking, Nicotine patch, Placebo Patch
Behavioral · Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 55 Years
Enrollment
147 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 30, 2017 · Synced Sep 6, 2026, 5:29 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Effects of Chantix on Relapse Prevention for Smoking Cessation

NCT00948649
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Placebo, Varenicline
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 16, 2010 · Synced Sep 6, 2026, 5:29 PM EDT
Completed Not applicable Interventional Results available

Alcohol Screening and Pre-Operative Intervention Research Study

NCT03929562
View directory record Official record
Conditions
Alcohol Drinking
Interventions
Brief advice, Health coaching
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 75 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 14, 2022 · Synced Sep 6, 2026, 5:29 PM EDT
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, 5:29 PM EDT
Completed Not applicable Interventional Results available

Incentive-based and Media Literacy Informed Approaches to Improve Vaping Cessation

NCT05586308
View directory record Official record
Conditions
Behavior, Health Risk, Implementation Science, E Cigarette Use, Cessation, Smoking, Incentives, Engagement, Patient, Peer Support, Media Literacy
Interventions
Text-massaging suport, Financial incentive, Media literacy
Behavioral
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years to 29 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Sep 6, 2026, 5:29 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Rigorous Evaluation of High School FLASH

NCT04079608
View directory record Official record
Conditions
Pregnancy Related, Sexual Behavior, STD
Interventions
FLASH curriculum, Sexual Health Education for Adolescents
Behavioral
Lead sponsor
ETR Associates
Other
Eligibility
14 Years to 18 Years
Enrollment
1,597 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Scotts Valley, California
Source: ClinicalTrials.gov public record
Updated Sep 10, 2019 · Synced Sep 6, 2026, 5:29 PM EDT
Completed Not applicable Interventional Results available

Employment-based Reinforcement to Motivate Drug Abstinence in the Treatment of Drug Addiction. - 1

NCT00249496
View directory record Official record
Conditions
Alcohol Use, Drug Use, Risk Behavior, Sexual Behavior
Interventions
Contingency management, Employment Only
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 17, 2017 · Synced Sep 6, 2026, 5:29 PM EDT
Completed Not applicable Interventional

Employment-based Reinforcement to Motivate Drug Abstinence in the Treatment of Drug Addiction. - 2

NCT00249457
View directory record Official record
Conditions
Behavior, Addictive, Cocaine Abuse, Cocaine Dependence, Heroin Dependence, Opioid Dependence
Interventions
Contingency management
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2006
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 29, 2017 · Synced Sep 6, 2026, 5:29 PM 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 6, 2026, 5:29 PM EDT
Recruiting Not applicable Interventional

Long-Term Treatment of Opioid Use Disorder

NCT05534815
View directory record Official record
Conditions
Drug Addiction, Employment
Interventions
Employment-based abstinence reinforcement
Behavioral
Lead sponsor
Northern Michigan University
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Marquette, Michigan
Source: ClinicalTrials.gov public record
Updated May 1, 2025 · Synced Sep 6, 2026, 5:29 PM EDT
Completed Not applicable Interventional Results available

A Bridge to Treatment: The Therapeutic Workplace and Methadone Treatment

NCT01416584
View directory record Official record
Conditions
Opiate Dependence
Interventions
methadone contingency, Methadone & Abstinence Contingency
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 4, 2017 · Synced Sep 6, 2026, 5:29 PM EDT
Recruiting Phase 4 Interventional

Varenicline for Smoking Reduction in Veterans Not Ready To Quit

NCT06966362
View directory record Official record
Conditions
Veterans, Tobacco Use Disorder, Cigarette Smoking, Tobacco Dependence
Interventions
Motivation-Phase Varenicline, Motivation-Phase Nicotine Mini-Lozenge, Cessation-Phase Combination Nicotine Replacement Therapy (NRT), Cessation-Phase Varenicline, Motivation-Phase Counseling, Cessation-Phase Counseling
Drug · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
4
States / cities
San Diego, California • Minneapolis, Minnesota • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 6, 2026, 5:29 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Smoking Cessation for American Indians

NCT01106456
View directory record Official record
Conditions
Smoking Cessation
Interventions
All Nations Breath of Life (ANBL), Nontailored program (NT), Pharmacotherapy
Behavioral · Drug
Lead sponsor
Won Choi, PhD, MPH
Other
Eligibility
18 Years and older
Enrollment
463 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
2
States / cities
Kansas City, Kansas • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 25, 2017 · Synced Sep 6, 2026, 5:29 PM 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 6, 2026, 5:29 PM EDT
Completed Not applicable Interventional Results available

The Therapeutic Workplace Initiation Study

NCT00249470
View directory record Official record
Conditions
Cocaine-Related Disorders, Opioid-Related Disorders, Heroin Dependence, Substance Abuse, Intravenous
Interventions
Abstinence & Work, Work Only
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 26, 2017 · Synced Sep 6, 2026, 5:29 PM EDT
Completed Not applicable Interventional Results available

Intimate Partner Violence and Fatherhood Intervention in Residential Substance Abuse Treatment

NCT02979262
View directory record Official record
Conditions
Intimate Partner Violence, Substance Abuse/Addiction, Child Maltreatment
Interventions
Fathers for Change, Parent Education
Behavioral
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older · Male only
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
St. Petersburg, Florida
Source: ClinicalTrials.gov public record
Updated Dec 1, 2019 · Synced Sep 6, 2026, 5:29 PM EDT
Completed Not applicable Interventional Results available

Behavioral Treatment of Adolescent Substance Use

NCT02063984
View directory record Official record
Conditions
Substance Use Disorders
Interventions
Intensive Outpatient Treatment (IOP) + Contingency Management (CM), Working Memory Training
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
12 Years to 26 Years
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 3, 2021 · Synced Sep 6, 2026, 5:29 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Working Inside for Smoking Elimination

NCT01122589
View directory record Official record
Conditions
Cigarette Smoking, Tobacco Smoking
Interventions
Motivational Interviewing/CBT, CONcise Tapes Reviewing Obstacles to healthy Living (CONTROL)
Behavioral · Other
Lead sponsor
Memorial Hospital of Rhode Island
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Pawtucket, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 8, 2010 · Synced Sep 6, 2026, 5:29 PM 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 6, 2026, 5:29 PM EDT
Completed Not applicable Interventional Results available

The Long-Term Treatment of Drug Addiction and Unemployment

NCT02487745
View directory record Official record
Conditions
Substance Abuse, Intravenous
Interventions
Abstinence-contingent wage supplements, Individual Placement and Support (IPS) supported employment
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 10, 2022 · Synced Sep 6, 2026, 5:29 PM EDT