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Showing 1–24 of 544 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Abstinence Clear all
Completed No phase listed Observational Accepts healthy volunteers

Neuroimaging of Smokers With and Without Attention Deficit Hyperactivity Disorder (ADHD)

NCT01123668
View directory record Official record
Conditions
Smoking, ADHD
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years to 50 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 7, 2018 · Synced Sep 3, 2026, 8:43 AM EDT
Completed Not applicable Interventional Results available

Computer-based Intervention for Alcohol-using HIV/HCV+ Women

NCT03362476
View directory record Official record
Conditions
Human Immunodeficiency Virus, Hepatitis C, Alcohol Abuse
Interventions
Computer-based alcohol reduction intervention, Brief clinician-delivered MET, Standard of care
Behavioral
Lead sponsor
New York University
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 8, 2025 · Synced Sep 3, 2026, 8:43 AM EDT
Completed Phase 3 Interventional

Efficacy and Safety of Rimonabant as an Aid to Smoking Cessation With or Without Nicotine Patch

NCT00458718
View directory record Official record
Conditions
Smoking Cessation
Interventions
rimonabant (SR141716)
Drug
Lead sponsor
Sanofi
Industry
Eligibility
18 Years and older
Enrollment
755 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
Bridgewater, New Jersey
Source: ClinicalTrials.gov public record
Updated Apr 19, 2009 · Synced Sep 3, 2026, 8:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Randomized Evaluation of a Multi-Component, Rights-Based Sexuality Education Initiative for High School Students

NCT02009046
View directory record Official record
Conditions
Pregnancy, Sexually Transmitted Diseases
Interventions
SEI Classroom Curriculum, Control Classroom Curriculum, SEI Curriculum + 3 School Components, Control Curriculum + 1 School Component
Behavioral
Lead sponsor
Public Health Institute, California
Other
Eligibility
13 Years to 16 Years
Enrollment
1,909 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 28, 2018 · Synced Sep 3, 2026, 8:43 AM 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 3, 2026, 8:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Smartphone-based Financial Incentives

NCT03922360
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Smartphone-based Financial Incentives, Best Practices
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Sep 3, 2026, 8:43 AM EDT
Completed Not applicable Interventional

Recovery Housing and Drug Abuse Treatment Outcome

NCT03278496
View directory record Official record
Conditions
Mental and Behavioral Disorders Due to Use of Cocaine: Harmful Use, Opiate Addiction
Interventions
Recovery Housing plus Counseling, Usual Care Referral, Recovery Housing Only
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
243 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 10, 2017 · Synced Sep 3, 2026, 8:43 AM EDT
Completed Phase 2 Interventional

Clinical Trial of Abstinence-Linked Money Management

NCT00536900
View directory record Official record
Conditions
Substance Abuse
Interventions
Advisor-Teller Money Manager, FIT
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 29, 2020 · Synced Sep 3, 2026, 8:43 AM EDT
Completed Phase 4 Interventional Results available

Combination Nicotine Replacement for Alcoholic Smokers

NCT00064844
View directory record Official record
Conditions
Smoking, Alcoholism
Interventions
Cognitive Behavior Therapy for alcohol and smoking cessation, Nicoderm CQ nicotine patch, Placebo gum, Nicotine gum - Nicorette®
Behavioral · Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2006
U.S. locations
1
States / cities
Newington, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 12, 2021 · Synced Sep 3, 2026, 8:43 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Training Community Members to Deliver HIV Prevention Programs to Urban Youth

NCT00859144
View directory record Official record
Conditions
HIV, HIV Infections
Interventions
Be Proud! Be Responsible!, Becoming A Responsible Teen (BART), Reducing the Risk
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
12 Years to 60 Years
Enrollment
901 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 7, 2012 · Synced Sep 3, 2026, 8:43 AM EDT
Completed Phase 2 Interventional

Interactive Voice Response Technology to Mobilize Contingency Management for Smoking Cessation

NCT01484717
View directory record Official record
Conditions
Cigarette Smoking
Interventions
contingency management for smoking abstinence, transdermal nicotine, Telephone counseling
Behavioral · Drug
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 19, 2017 · Synced Sep 3, 2026, 8:43 AM 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 3, 2026, 8:43 AM EDT
Recruiting Not applicable Interventional

Contingency Management for Veteran Smokers Undergoing Major Elective Surgery

NCT06678672
View directory record Official record
Conditions
Tobacco Use Disorder, Substance Use Disorder (SUD)
Interventions
Contingency Management (CM), Treatment as Usual (TAU)
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 10, 2026 · Synced Sep 3, 2026, 8:43 AM EDT
Completed Not applicable Interventional

Contingency Management for Alcohol Use Disorders

NCT02135237
View directory record Official record
Conditions
Alcohol Use Disorder, Contingency Management
Interventions
Prize Contingency Management for Alcohol Abstinence, Standard Care
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
3
States / cities
New Britain, Connecticut • Springfield, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 31, 2019 · Synced Sep 3, 2026, 8:43 AM EDT
Completed Not applicable Interventional

Component Analysis for Motivational Interviewing

NCT01642381
View directory record Official record
Conditions
Alcohol-Related Disorders, Alcohol Use Disorders, Alcohol Drinking, Alcoholism, Alcohol Abuse
Interventions
Full Motivational Interviewing ("FMI"), Spirit Only Motivational Interviewing ("SOMI")
Behavioral
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 65 Years
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Great Neck, New York
Source: ClinicalTrials.gov public record
Updated Sep 11, 2016 · Synced Sep 3, 2026, 8:43 AM EDT
Completed Phase 4 Interventional Results available

NAS Treatment - Opiate Versus Non-Opiate

NCT01734551
View directory record Official record
Conditions
Neonatal Abstinence Syndrome
Interventions
Morphine, Clonidine
Drug
Lead sponsor
Henrietta Bada
Other
Eligibility
1 Day to 7 Days
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 11, 2017 · Synced Sep 3, 2026, 8:43 AM EDT
Completed Not applicable Interventional

Marijuana Treatment Project - 3

NCT00107588
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Reinforcement for homework completion, Reinforcement for Abstinence, Case Management
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years to 80 Years
Enrollment
215 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 27, 2017 · Synced Sep 3, 2026, 8:43 AM EDT
Completed Phase 3 Interventional

Telephone and Web-based Teen Tobacco Cessation in HMOs

NCT00311948
View directory record Official record
Conditions
Tobacco Use
Interventions
Telephone counseling + interactive website = more abstinence, Behavioral: interactive website
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
15 Years to 18 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
3
States / cities
Eugene, Oregon • Portland, Oregon • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 27, 2012 · Synced Sep 3, 2026, 8:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Therapists to Administer Contingency Management-Therapist Phase - 1

NCT00249626
View directory record Official record
Conditions
Substance Abuse
Interventions
Contingency management
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Nov 20, 2011 · Synced Sep 3, 2026, 8:43 AM EDT
Completed No phase listed Observational

Study of Smoking Abstinence

NCT01035632
View directory record Official record
Conditions
Substance Abuse Disorders
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 3, 2026, 8:43 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Contingency Management Plus Deep Transcranial Magnetic Stimulation for the Treatment of Cocaine Use Disorder

NCT07490600
View directory record Official record
Conditions
Cocaine Use Disorder (CUD)
Interventions
Contingency Management (CM), Transcranial Magnetic Stimulation (TMS) Sham, Transcranial Magnetic Stimulation (TMS) experimental
Behavioral · Device
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 65 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 3, 2026, 8:43 AM EDT
Completed Phase 3 Interventional

A Second Study of NicVAX/Placebo as an Aid for Smoking Cessation

NCT01102114
View directory record Official record
Conditions
Smoking Cessation
Interventions
NicVAX Vaccine, Placebo Vaccine
Biological
Lead sponsor
Nabi Biopharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
25
States / cities
Encino, California • Los Alamitos, California • Denver, Colorado + 22 more
Source: ClinicalTrials.gov public record
Updated May 8, 2012 · Synced Sep 3, 2026, 8:43 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Duration of Behavioral Counseling Treatment Needed to Optimize Smoking Abstinence

NCT01038414
View directory record Official record
Conditions
Tobacco Addiction
Interventions
Extended Duration Behavioral Smoking Cessation Counseling
Behavioral
Lead sponsor
Harvard University Faculty of Medicine
Other
Eligibility
18 Years to 80 Years
Enrollment
450 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 22, 2011 · Synced Sep 3, 2026, 8:43 AM EDT
Completed Not applicable Interventional

RCT of an Integrative Intervention for Non-Treatment-Seeking Meth Users

NCT01926184
View directory record Official record
Conditions
HIV/AIDS, Stimulant Use Disorders
Interventions
Affect Regulation Treatment to Enhance Meth Intervention Success (ARTEMIS), Contingency Management (CM)
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Male only
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 20, 2022 · Synced Sep 3, 2026, 8:43 AM EDT