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ClinicalTrials.gov public records Last synced Oct 29, 2026, 4:05 AM EDT

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Showing 1–24 of 548 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: abstinence Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Therapeutic Workplace to Address Poverty and Substance Use

NCT03519009
View directory record Official record
Conditions
Substance Use Disorders
Interventions
IPS Plus Abstinence-Contingent Wage Supplement
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 55 Years
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 27, 2024 · Synced Oct 29, 2026, 4:05 AM EDT
Completed Phase 2Phase 3 Interventional

Recovery Housing For Drug Dependent Pregnant Women

NCT00497302
View directory record Official record
Conditions
Drug Addiction
Interventions
RBT, usual care
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 5, 2013 · Synced Oct 29, 2026, 4:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Patient Navigation and Financial Incentives to Promote Smoking Cessation

NCT02351609
View directory record Official record
Conditions
Smoking Cessation
Interventions
Intervention, Enhanced Traditional Care control
Behavioral · Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
352 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 5, 2017 · Synced Oct 29, 2026, 4:05 AM EDT
Withdrawn Phase 2 Interventional

Inpatient Buprenorphine Induction With Psilocybin for Opioid Use Disorder

NCT06005662
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Psilocybin
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2028
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Oct 29, 2026, 4:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Contingency Management for PrEP Adherence and/or Methamphetamine Use

NCT04563962
View directory record Official record
Conditions
Methamphetamine-dependence, HIV-1-infection
Interventions
Contingency Management-ART, Contingency Management-Methamphetamine
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 29, 2021 · Synced Oct 29, 2026, 4:05 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Brain/Craving Response to Smoking Cues After Oral Nicotine Pouch Use

NCT07698470
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Oral Nicotine Pouch, Smoking Cue Reactivity Task
Other · Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
21 Years to 55 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 29, 2026, 4:05 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cannabis Use and Epigenetic Alterations in Human Male Sperm Cells

NCT03614637
View directory record Official record
Conditions
Cannabis Use
Interventions
Cannabis use abstinence for 11 weeks
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 40 Years · Male only
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 7, 2020 · Synced Oct 29, 2026, 4:05 AM EDT
Completed Phase 4 Interventional Results available

Neural Mechanisms of Disulfiram Effects

NCT02735577
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Disulfiram
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 60 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 23, 2020 · Synced Oct 29, 2026, 4:05 AM 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 14, 2017 · Synced Oct 29, 2026, 4:05 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 23, 2019 · Synced Oct 29, 2026, 4:05 AM 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 23, 2018 · Synced Oct 29, 2026, 4:05 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Ask Advise Connect (AAC) Harris Heath CPRIT

NCT01788787
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Quitline-Delivered Proactive Telephone Counseling, Follow-Up Phone Call, Smoking Cessation Training, Qualitative Interviews Concerning the Implementation of AAC
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
5,212 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2049
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 28, 2019 · Synced Oct 29, 2026, 4:05 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Quantitative Assessment of Sucking for Early Diagnosis of Brain Injury in Infants at High Risk

NCT03246243
View directory record Official record
Conditions
Hypoxic-Ischemic Encephalopathy, Hypoglycemia, Neonatal Abstinence Syndrome
Interventions
nfant feeding solution
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Up to 6 Months
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 21, 2021 · Synced Oct 29, 2026, 4:05 AM EDT
Recruiting Not applicable Interventional

Enhancing Addiction Treatment Through Psychoeducation

NCT07178158
View directory record Official record
Conditions
Substance Use Disorders
Interventions
Installing the Metacognium software app, Continue treatment as usual
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 29, 2026, 4:05 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Gabapentin for Smoking Cessation

NCT00578552
View directory record Official record
Conditions
Cigarette Smoking, Tobacco Use
Interventions
Placebo, Gabapentin - 1800 mg/day, Gabapentin - 2700 mg/day
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 19, 2011 · Synced Oct 29, 2026, 4:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Varenicline on Brain Activity During Nicotine Abstinence

NCT00602927
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Varenicline, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 10, 2011 · Synced Oct 29, 2026, 4:05 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Smoking Abstinence and Lapse Effects in Smokers With Schizophrenia and Controls

NCT01214005
View directory record Official record
Conditions
Tobacco Use Disorder, Schizophrenia
Interventions
smoking abstinence
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 27, 2012 · Synced Oct 29, 2026, 4:05 AM EDT
Withdrawn Phase 3 Interventional

Randomized Control Trial of Buprenorphine vs. Morphine for the Treatment of Neonatal Opioid Withdrawal Syndrome (NOWS)

NCT04455802
View directory record Official record
Conditions
Neonatal Opioid Withdrawal Syndrome
Interventions
Buprenorphine or Placebo, Morphine or Placebo
Drug
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Oct 29, 2026, 4:05 AM EDT
Completed Not applicable Interventional

Quit IT: Preliminary Testing of a Web-based, 3D Coping Skills Game to Increase Quitting Self-Efficacy for Maintaining Smoking Abstinence Following Hospitalization

NCT02099097
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
web-based video game (Quit IT), Questionnaires, Salvia sample
Other · Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 30, 2020 · Synced Oct 29, 2026, 4:05 AM EDT
Completed Not applicable Interventional Results available

Take a Break (TAB): mHealth-assisted Skills Building Challenge for Unmotivated Smokers

NCT02973425
View directory record Official record
Conditions
Smoking Cessation
Interventions
Take a Break as an augmentation to NRT-sampling in Motivation Phase, NRT and mHealth assessment tool without feedback
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
433 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
4
States / cities
Worcester, Massachusetts • Great Neck, New York
Source: ClinicalTrials.gov public record
Updated Aug 11, 2022 · Synced Oct 29, 2026, 4:05 AM EDT
Recruiting Not applicable Interventional

Implementation of Tobacco Cessation Programming at Community Behavioral Health Sites

NCT06837220
View directory record Official record
Conditions
Nicotine Use Disorder, Smoking Cessation, Smoking Cessation Intervention
Interventions
Enhanced Courage to Quit
Behavioral
Lead sponsor
University of Chicago
Other
Eligibility
18 Years to 26 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Oct 29, 2026, 4:05 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 9, 2010 · Synced Oct 29, 2026, 4:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Parent eReferral to Tobacco Quitline

NCT02997735
View directory record Official record
Conditions
Secondhand Smoke
Interventions
Quitline Delivered Treatment
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
18 Years and older
Enrollment
484 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 28, 2019 · Synced Oct 29, 2026, 4:05 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 20, 2017 · Synced Oct 29, 2026, 4:05 AM EDT