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Showing 1–24 of 133 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Substance Abuse/Addiction Clear all
Terminated Phase 2 Interventional

Serotonin/Dopamine Antagonism of Cocaine Effect: 1 - 1

NCT00000309
View directory record Official record
Conditions
Cocaine-Related Disorders
Interventions
Risperidone
Drug
Lead sponsor
Butler Hospital
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1994 – 2000
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 23, 2015 · Synced Jul 21, 2026, 11:19 AM EDT
Completed Phase 2 Interventional Results available

Study of Medical Treatment for Methamphetamine Addiction

NCT00833443
View directory record Official record
Conditions
Methamphetamine, Amphetamine Dependence, Pharmacogenetics, Methamphetamine Dependence, Substance Abuse
Interventions
Bupropion
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 25, 2014 · Synced Jul 21, 2026, 11:19 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Dronabinol Treatment for Marijuana Addiction

NCT00217971
View directory record Official record
Conditions
Marijuana Abuse
Interventions
Dronabinol, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
156 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Jul 21, 2026, 11:19 AM EDT
Completed Phase 1 Interventional

Pramipexole as a Treatment for Cocaine Dependence

NCT01651377
View directory record Official record
Conditions
Cocaine Addiction, Cocaine Abuse, Cocaine Dependence, Substance Abuse
Interventions
Pramipexole, Placebo
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 21, 2014 · Synced Jul 21, 2026, 11:19 AM EDT
Completed Phase 2 Interventional Results available

Effectiveness Study of Dronabinol and BRENDA for the Treatment of Cannabis Withdrawal

NCT00480441
View directory record Official record
Conditions
Marijuana Dependence
Interventions
Dronabinol, BRENDA therapy, Placebo
Drug · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 55 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 28, 2019 · Synced Jul 21, 2026, 11:19 AM EDT
Completed Not applicable Interventional

The Effect of Self-Forgiveness on Self-Stigma in Addiction.

NCT03971097
View directory record Official record
Conditions
Substance Use Disorders, Opiate Dependence, Opiate Withdrawal Syndrome, Opioid-use Disorder, Alcohol Withdrawal, Alcohol Abuse, Alcohol Use Disorder, Cocaine Abuse, Cocaine Use Disorder, Cocaine Withdrawal, Benzodiazepine Abuse, Benzodiazepine Dependence, Substance Abuse, Heroin Overdoses, Heroin Withdrawal, Heroin Abuse
Interventions
Six Step Model of Self-Forgiveness, Treatment as Usual (TAU)
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
McKeesport, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 4, 2021 · Synced Jul 21, 2026, 11:19 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Prazosin and Naltrexone (PaN) Study for Veterans With Alcohol Use Disorders

NCT02322047
View directory record Official record
Conditions
Alcohol Use Disorder, Posttraumatic Stress Disorder (PTSD)
Interventions
Prazosin, Naltrexone, Placebo (Prazosin), Placebo (Naltrexone)
Drug
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years to 80 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 28, 2020 · Synced Jul 21, 2026, 11:19 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Clinical Trial for Alcohol Use Disorder and Post Traumatic Stress Disorder (PTSD)

NCT02966873
View directory record Official record
Conditions
Post Traumatic Stress Disorder (PTSD), Addiction, Alcohol Abuse
Interventions
N-Acetylcysteine (NAC) Treatment, Cognitive Behavioral Therapy (CBT), Inactive Placebo Oral Capsule, Functional magnetic resonance imaging (fMRI), Proton magnetic resonance spectroscopy (MRS) Imaging
Drug · Behavioral · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 70 Years
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
2
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Jul 21, 2026, 11:19 AM 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 Jul 21, 2026, 11:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Home-Based Program to Help Parents of Drug Abusing Adolescents

NCT01591239
View directory record Official record
Conditions
Substance-Related Disorders, Drug Addiction, Substance Abuse
Interventions
Home-Based Intervention, Educational Group
Behavioral
Lead sponsor
Treatment Research Institute
Other
Eligibility
12 Years to 19 Years
Enrollment
286 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 27, 2023 · Synced Jul 21, 2026, 11:19 AM EDT
Completed Phase 2 Interventional Results available

VIVITROL as a Treatment for Cocaine and Alcohol Dependence

NCT00777062
View directory record Official record
Conditions
Cocaine Dependence, Alcohol Dependence
Interventions
VIVITROL (Naltrexone extended-release injectable suspension), Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 25, 2018 · Synced Jul 21, 2026, 11:19 AM EDT
Completed Phase 1 Interventional Results available

Clavulanic Acid (CLAV) and Cocaine Interaction Safety Study

NCT02563769
View directory record Official record
Conditions
Cocaine Dependence, Cocaine Addiction, Cocaine Abuse, Cocaine-Related Disorders
Interventions
Clavulanic acid, Intravenous cocaine, Placebo
Drug
Lead sponsor
Temple University
Other
Eligibility
18 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 2, 2023 · Synced Jul 21, 2026, 11:19 AM EDT
Recruiting Not applicable Interventional

RS-tDCS for Cannabis Use Disorder: The C.A.R.E.S. Initiative

NCT07184983
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Active Transcranial Direct Current Stimulation (tDCS), Sham Transcranial Direct Current Stimulation (tDCS), Mindfulness meditation
Device · Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
22 Years to 65 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Jul 21, 2026, 11:19 AM EDT
Completed Phase 2 Interventional Results available

Lidocaine Infusion as a Treatment for Cocaine Relapse and Craving

NCT01929343
View directory record Official record
Conditions
Cocaine Addiction
Interventions
lidocaine following cue-induced craving, lidocaine following neutral stimulus, saline
Drug
Lead sponsor
Bryon Adinoff
Other
Eligibility
25 Years to 60 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Dec 30, 2020 · Synced Jul 21, 2026, 11:19 AM EDT
Completed No phase listed Observational

A Qualitative Study to Assess the Content Validity of the Prescription Opioid Misuse and Abuse Questionnaire

NCT02660606
View directory record Official record
Conditions
Opioid-Related Disorders, Opiate Addiction, Narcotic Abuse, Drug Abuse
Interventions
Prescription Opioid Misuse and Abuse Questionnaire (POMAQ)
Other
Lead sponsor
Member Companies of the Opioid PMR Consortium
Industry
Eligibility
18 Years and older
Enrollment
54 participants
Timeline
2015 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Jul 21, 2026, 11:19 AM EDT
Completed Phase 1 Interventional

Effectiveness of Cognitive Therapy for Suicide Attempters With Drug Dependence Disorder

NCT00218725
View directory record Official record
Conditions
Suicide, Attempted, Substance-Related Disorders
Interventions
Cognitive Therapy, Enriched Care
Behavioral · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 28, 2015 · Synced Jul 21, 2026, 11:19 AM EDT
Completed Phase 2 Interventional

A Pilot Trial of Dextroamphetamine for Methamphetamine Dependence

NCT00630682
View directory record Official record
Conditions
Methamphetamine Addiction
Interventions
Dextroamphetamine, Placebo
Drug
Lead sponsor
California Pacific Medical Center Research Institute
Other
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 2, 2013 · Synced Jul 21, 2026, 11:19 AM EDT
Completed No phase listed Observational

A Pragmatic Trial of the Consult for Addiction Treatment and Care in Hospitals (CATCH) Model for Engaging Patients in Opioid Use Disorder Treatment

NCT03611335
View directory record Official record
Conditions
Opioid Dependence, Opioid Abuse
Interventions
CATCH Interviews
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 99 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 4, 2024 · Synced Jul 21, 2026, 11:19 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Web-Based Contingency Management Training for Addictions

NCT02740881
View directory record Official record
Conditions
Substance Abuse Problem
Interventions
Counselor Training Methods
Other
Lead sponsor
Sheidow Consulting, Inc.
Other
Eligibility
22 Years and older
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Eugene, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 30, 2018 · Synced Jul 21, 2026, 11:19 AM 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 Jul 21, 2026, 11:19 AM EDT
Completed Phase 4 Interventional

Quetiapine for Cocaine Use and Cravings

NCT00232336
View directory record Official record
Conditions
Cocaine-Related Disorders, Substance-Related Disorders
Interventions
quetiapine
Drug
Lead sponsor
Seattle Institute for Biomedical and Clinical Research
Other
Eligibility
18 Years to 65 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced Jul 21, 2026, 11:19 AM EDT
Completed Not applicable Interventional

Buprenorphine and Substance Abuse Services for Prescription Opioid Dependence

NCT02496403
View directory record Official record
Conditions
Opiate Substitution Treatment
Interventions
Standard Medical Management (SMM)
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
239 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Sep 25, 2019 · Synced Jul 21, 2026, 11:19 AM EDT
Completed Phase 1 Interventional

Modafinil - Escitalopram Study for Cocaine Dependence

NCT01601730
View directory record Official record
Conditions
Cocaine Dependence, Cocaine Abuse, Cocaine Addiction, Substance Abuse
Interventions
Modafinil and Escitalopram, Placebo, Modafinil, Escitalopram
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 17, 2012 · Synced Jul 21, 2026, 11:19 AM EDT
Completed No phase listed Observational

Real Time Assessment of Drug Craving, Use, and Abstinence During Outpatient: A Development and Feasibility Study

NCT00292136
View directory record Official record
Conditions
Cocaine Addiction, Opiate Addiction
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Jul 21, 2026, 11:19 AM EDT