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ClinicalTrials.gov public records Last synced Oct 30, 2026, 2:34 PM EDT

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Showing 169–192 of 548 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: abstinence Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Quit Nicotine: E-Cig Cessation Intervention

NCT04898075
View directory record Official record
Conditions
E-Cig Use
Interventions
Remote Contingency Management (CM) for nicotine abstinence, Control
Behavioral · Other
Lead sponsor
Yale University
Other
Eligibility
13 Years to 20 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 10, 2025 · Synced Oct 30, 2026, 2:34 PM 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 11, 2017 · Synced Oct 30, 2026, 2:34 PM EDT
Recruiting Phase 4 Interventional

Extended Intervention for Tobacco Use (EXIT) for People Experiencing Homelessness

NCT07148232
View directory record Official record
Conditions
Tobacco Cessation, Tobacco Abstinence, Tobacco Use, Tobacco Use Cessation, Tobacco Dependence
Interventions
Nicotine Replacement Therapy (NRT), Wellness Coaching
Drug · Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
150 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 Nov 21, 2025 · Synced Oct 30, 2026, 2:34 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reducing HIV Risk Among Adolescents: Evaluating Project HEART

NCT02579135
View directory record Official record
Conditions
HIV, Sexually Transmitted Diseases
Interventions
Safer Sex, Growth Mindsets
Behavioral
Lead sponsor
North Carolina State University
Other
Eligibility
14 Years to 18 Years · Female only
Enrollment
222 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 16, 2018 · Synced Oct 30, 2026, 2:34 PM EDT
Completed Phase 2 Interventional Results available

Clinical Trial of Topiramate for Cocaine Addiction

NCT00685178
View directory record Official record
Conditions
Cocaine Dependence
Interventions
topiramate, Contingency Reinforcement, placebo + NonCR
Drug · Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 11, 2017 · Synced Oct 30, 2026, 2:34 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Bupropion-Enhanced Contingency Management (CM) for Cocaine Dependence

NCT02111798
View directory record Official record
Conditions
Substance Abuse, Cocaine Dependence
Interventions
Placebo, Bupropion XL, Abstinence Initiation, Relapse Prevention
Drug · Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 27, 2025 · Synced Oct 30, 2026, 2:34 PM EDT
Completed No phase listed Observational Results available

Donor Human Milk in Neonatal Abstinence Syndrome

NCT02182973
View directory record Official record
Conditions
Neonatal Abstinence Syndrome
Interventions
donor human milk
Dietary Supplement
Lead sponsor
Neolac Inc dba Medolac Laboratories
Industry
Eligibility
38 Weeks to 42 Weeks
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 12, 2019 · Synced Oct 30, 2026, 2:34 PM EDT
Recruiting Early Phase 1 Interventional

Psilocybin for Methamphetamine Addiction

NCT06899594
View directory record Official record
Conditions
Methamphetamine Use Disorder
Interventions
Psilocybin 25 mg
Drug
Lead sponsor
Kevin Murnane
Other
Eligibility
25 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Shreveport, Louisiana
Source: ClinicalTrials.gov public record
Updated Oct 7, 2025 · Synced Oct 30, 2026, 2:34 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

UW Withdraw From Tobacco Study

NCT04969198
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Combination nicotine replacement therapy (Nicotine patch + nicotine mini-lozenge)
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years and older
Enrollment
232 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated May 8, 2025 · Synced Oct 30, 2026, 2:34 PM EDT
Completed Phase 2 Interventional

Clonidine as Adjunct Therapy for the Treatment of Neonatal Abstinence Syndrome

NCT00510016
View directory record Official record
Conditions
Neonatal Abstinence Syndrome
Interventions
Clonidine HCL
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
Up to 14 Days
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Oct 30, 2026, 2:34 PM EDT
Not yet recruiting Phase 4 Interventional

Smoking Cessation Medication And Rewards Using a Teamlet to Treat Tobacco Use Disorder (SMARTTT 2.0) Among Persons With HIV: A Multi-site Hybrid Type 2 Effectiveness-implementation Trial

NCT07835555
View directory record Official record
Conditions
Tobacco Use Disorder/Cigarette Smoking, HIV
Interventions
nicotine patch, nicotine gum, nicotine lozenge, varenicline, bupropion, Multi-target Contingency Management, Teamlet booster
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
794 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
5
States / cities
Bridgeport, Connecticut • New Haven, Connecticut • Jersey City, New Jersey + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 30, 2026, 2:34 PM EDT
Completed Phase 4 Interventional Results available

Mobile Contingency Management for Concurrent Abstinence From Alcohol and Smoking

NCT02995915
View directory record Official record
Conditions
Smoking Cessation, Alcohol Drinking
Interventions
Nicotine Replacement Therapy, Bupropion, Cognitive Behavioral Treatment, Mobile Contingency Management, Mobile Monitoring
Other · Drug · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 80 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 28, 2021 · Synced Oct 30, 2026, 2:34 PM EDT
Completed Not applicable Interventional

Encouraging Abstinence Behavior in a Drug Epidemic: Optimizing Dynamic Incentives

NCT04927143
View directory record Official record
Conditions
Opioid-use Disorder, Cocaine Use Disorder, Opioid Use, Cocaine Use, Substance Use, Methamphetamine Abuse, Methamphetamine-dependence
Interventions
App-Based Contingency Management, Sham Control
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
206 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
2
States / cities
Oconomowoc, Wisconsin • Wauwatosa, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 30, 2026, 2:34 PM EDT
Completed Not applicable Interventional Results available

Enhancing Adolescent Substance Abuse Treatment

NCT03249350
View directory record Official record
Conditions
Substance Use Disorders
Interventions
Standard Contingency Management (CM), Enhanced Contingency Management (CM+)
Behavioral
Lead sponsor
Oregon Social Learning Center
Other
Eligibility
12 Years to 18 Years
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Nov 14, 2025 · Synced Oct 30, 2026, 2:34 PM EDT
Completed Not applicable Interventional Results available

Neural Mechanisms Associated With Risk of Smoking Relapse

NCT02837510
View directory record Official record
Conditions
Nicotine Addiction
Interventions
Standard smoking cessation counseling
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 5, 2025 · Synced Oct 30, 2026, 2:34 PM EDT
Completed Phase 2Phase 3 Interventional

Integrated Digital Intervention for Alcohol Use Disorder

NCT05748639
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Mobile health application, Medical Management
Other
Lead sponsor
Quit Genius
Industry
Eligibility
18 Years and older
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 20, 2025 · Synced Oct 30, 2026, 2:34 PM EDT
Withdrawn Phase 4 Interventional

Long Acting Subcutaneous vs Short Acting Sublingual Buprenorphine in Pregnant and Lactating Women

NCT04212065
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
buprenorphine
Drug
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 41 Years · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 14, 2020 · Synced Oct 30, 2026, 2:34 PM EDT
Completed Phase 1 Interventional

Texting to Promote Tobacco Abstinence in Emergency Department Smokers: A Pilot Study

NCT02081144
View directory record Official record
Conditions
Smoking, Tobacco Abstinence
Interventions
Smokefree TXT Program, nicotine replacement patches, Nicotine Replacement Gum, Faxed Referral CT Smokers Quitline
Other · Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 5, 2020 · Synced Oct 30, 2026, 2:34 PM EDT
Completed Phase 4 Interventional Results available

Smoking Cessation in Hospitalized Smokers

NCT01289275
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine Patches, Telephone Counseling, Brief Hospital Counseling
Drug · Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
1,270 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
6
States / cities
Chula Vista, California • Davis, California • La Jolla, California + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 13, 2020 · Synced Oct 30, 2026, 2:34 PM EDT
Completed Not applicable Interventional Results available

Cost Effectiveness of Combined Contingency Management and Cognitive Behavioral Therapy for Alcohol Use Disorder

NCT03987581
View directory record Official record
Conditions
Alcohol Drinking, Veterans
Interventions
Cognitive Behavioral Therapy (CBT), Mobile Contingency Management (mCM), Long-term incentive
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
151 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 30, 2026, 2:34 PM EDT
Completed Not applicable Interventional Results available

Optimizing Pregnancy and Treatment Interventions for Moms 2.0

NCT03833245
View directory record Official record
Conditions
Pregnancy, High Risk, Opioid-Related Disorders, Pregnancy Related
Interventions
Patient Navigation
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older · Female only
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 3, 2025 · Synced Oct 30, 2026, 2:34 PM EDT
Completed Phase 2 Interventional

Efficacy and Safety of TV-1380 as Treatment for Facilitation of Abstinence in Cocaine-Dependent Subjects

NCT01887366
View directory record Official record
Conditions
Cocaine Addiction
Interventions
TV-1380 150 mg, TV-1380 300 mg, Placebo
Drug
Lead sponsor
Teva Branded Pharmaceutical Products R&D, Inc.
Industry
Eligibility
18 Years to 60 Years
Enrollment
208 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
14
States / cities
Los Angeles, California • Oceanside, California • San Francisco, California + 11 more
Source: ClinicalTrials.gov public record
Updated Nov 5, 2015 · Synced Oct 30, 2026, 2:34 PM EDT
Completed Phase 2 Interventional Results available

Prazosin for Alcohol Dependence and Posttraumatic Stress Disorder

NCT01518972
View directory record Official record
Conditions
Alcohol Abuse, Posttraumatic Stress Disorder
Interventions
Prazosin, Placebo medication
Drug
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 25, 2020 · Synced Oct 30, 2026, 2:34 PM EDT
Completed No phase listed Observational

Nicotinic Receptor Levels After Stopping Smoking

NCT01704573
View directory record Official record
Conditions
Nicotine Addiction
Interventions
2-[18F]-fluro-3-[2(S)-2-azethidinylmethoxy]-pyridine
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 16, 2017 · Synced Oct 30, 2026, 2:34 PM EDT