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ClinicalTrials.gov public records Last synced Oct 22, 2026, 9:22 AM EDT

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Showing 1–24 of 700 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Addiction Clear all
Recruiting Not applicable Interventional Accepts healthy volunteers

Oklahoma Study of Native American Pain Risk IV: Smoking Cessation and Pain

NCT07080788
View directory record Official record
Conditions
Smoking Cessation Intervention, Pain, Smoking (Tobacco) Addiction
Interventions
Smoking Cessation
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Oct 22, 2026, 9:22 AM EDT
Completed Phase 2 Interventional Results available

Varenicline vs Placebo for the Treatment of Methamphetamine Dependence

NCT01011829
View directory record Official record
Conditions
Methamphetamine Dependence, Substance Abuse, Methamphetamine Abuse
Interventions
Varenicline, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 14, 2013 · Synced Oct 22, 2026, 9:22 AM EDT
Completed Not applicable Interventional Results available

Clinical Trial of Smoking Cessation Mobile Phone Program

NCT02656745
View directory record Official record
Conditions
Nicotine Addiction, Drug Addiction, Drug Dependence, Substance Use Disorder, Tobacco Dependence
Interventions
Mobile Smoking Cessation Solution
Device
Lead sponsor
Click Therapeutics, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 14, 2018 · Synced Oct 22, 2026, 9:22 AM EDT
Completed Not applicable Interventional Results available

W8Loss2Go: mHealth Weight Management Strategy

NCT02689154
View directory record Official record
Conditions
Obesity
Interventions
W8Loss2Go
Device
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
12 Years to 18 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 12, 2019 · Synced Oct 22, 2026, 9:22 AM EDT
Completed No phase listed Observational

Targeting Effective Analgesia in Clinics for HIV - Patient Cohort

NCT02525731
View directory record Official record
Conditions
HIV Infection, Pain, Drug Dependence
Interventions
Not listed
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
2
States / cities
Atlanta, Georgia • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 20, 2018 · Synced Oct 22, 2026, 9:22 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 29, 2019 · Synced Oct 22, 2026, 9:22 AM EDT
Recruiting Phase 4 Interventional

Varenicline and Accelerated Transcranial Magnetic Stimulation (TMS) for Quitting Nicotine Use (Pilot Study)

NCT07145866
View directory record Official record
Conditions
Nicotine Dependence, Transcranial Magnetic Stimulation, Vaping, Smoking Cessation, Smoking (Tobacco) Addiction
Interventions
Varenicline, Transcranial Magnetic Stimulation, Transcranial Magnetic Stimulation Sham, Nicotine Cessation Counseling, D-cycloserine
Drug · Device · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 22, 2026, 9:22 AM EDT
Not yet recruiting Phase 4 Interventional

Impact of Daridorexant on Sleep, Daytime Alertness, and Smoking

NCT07328594
View directory record Official record
Conditions
Smoking, Nicotine, Tobacco, Addiction, Substance Use Disorders, Insomnia, Sleep
Interventions
Daridorexant 50 mg, Placebo
Drug · Other
Lead sponsor
Legacy Health System
Other
Eligibility
18 Years to 55 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jan 9, 2026 · Synced Oct 22, 2026, 9:22 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Medications for Stopping Cocaine Dependence and Preventing Relapse

NCT00218023
View directory record Official record
Conditions
Cocaine Abuse, Cocaine-Related Disorders
Interventions
Modafinil, Levodopa/Carbidopa, Naltrexone HCl, Placebo, Motivational Interviewing (MI), Contingency management (CM), Cognitive-Behavioral Therapy (CBT)
Drug · Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 55 Years
Enrollment
101 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 9, 2017 · Synced Oct 22, 2026, 9:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Behavioral Memory Modulation in Nicotine Addiction

NCT03744559
View directory record Official record
Conditions
Nicotine Use Disorder
Interventions
Retrieval Extinction Training (RET), Control Retrieval Extinction Training (RET)
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
25 Years to 65 Years
Enrollment
191 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 30, 2025 · Synced Oct 22, 2026, 9:22 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Electronic Cigarettes as a Harm Reduction Strategy in Individuals With Substance Use Disorder

NCT04063267
View directory record Official record
Conditions
Cigarette Smoking, Addiction, E Cig Use
Interventions
E cigarettes, Nicotine Replacement Therapy
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 20, 2024 · Synced Oct 22, 2026, 9:22 AM EDT
Completed No phase listed Observational

Electronic Cigarette Use During Pregnancy

NCT03480373
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Not listed
Lead sponsor
UConn Health
Other
Eligibility
16 Years to 45 Years · Female only
Enrollment
182 participants
Timeline
2018 – 2023
U.S. locations
6
States / cities
Denver, Colorado • Farmington, Connecticut • Hartford, Connecticut + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 22, 2026, 9:22 AM EDT
Completed Not applicable Interventional Results available

Efficacy of Computer Delivered Community Reinforcement Approach (CRA) (Bup II)

NCT00929253
View directory record Official record
Conditions
Opiate Addiction
Interventions
Suboxone, CRA, Therapy, CM
Drug · Behavioral
Lead sponsor
Virginia Polytechnic Institute and State University
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated May 27, 2022 · Synced Oct 22, 2026, 9:22 AM EDT
Completed Not applicable Interventional Results available

Heart Rate Variability Biofeedback for Substance Use Disorder: A Randomized Clinical Trial

NCT05454657
View directory record Official record
Conditions
Substance Use Disorders
Interventions
Heart rate variability biofeedback + treatment as usual, Treatment as usual only
Device · Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 26, 2025 · Synced Oct 22, 2026, 9:22 AM EDT
Not listed No phase listed Observational

Validation of Kaihani Score for Gambling Addiction

NCT04648007
View directory record Official record
Conditions
Gambling Addiction
Interventions
Kaihani Score
Diagnostic Test
Lead sponsor
Therapeutic Solutions International
Industry
Eligibility
18 Years to 75 Years
Enrollment
30 participants
Timeline
2020 – 2021
U.S. locations
1
States / cities
Oceanside, California
Source: ClinicalTrials.gov public record
Updated Dec 1, 2020 · Synced Oct 22, 2026, 9:22 AM EDT
Completed Not applicable Interventional

Inpatient Link to Addiction Recovery

NCT04098601
View directory record Official record
Conditions
Substance Use Disorders
Interventions
Recovery Coach Intervention
Behavioral
Lead sponsor
Prisma Health-Upstate
Other
Eligibility
18 Years and older
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Greenville, South Carolina
Source: ClinicalTrials.gov public record
Updated Nov 4, 2024 · Synced Oct 22, 2026, 9:22 AM EDT
Completed Phase 2 Interventional Results available

Adaptive Pharmacotherapy for Smoking Cessation

NCT02501265
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Varenicline Standard Protocol, Nicotine Patch Standard Protocol, Varenicline Adaptive Protocol, Nicotine Adaptive Protocol
Behavioral · Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
188 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 19, 2021 · Synced Oct 22, 2026, 9:22 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

The Effects of Sedatives on Tobacco Use Disorder Version 2

NCT05505630
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Ketamine, Midazolam, Dexmedetomidine, Saline
Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 1, 2026 · Synced Oct 22, 2026, 9:22 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Phase Ib/2a Drug-drug Interaction Study of a Combination of 45mg Dextromethorphan With 105 mg Bupropion

NCT05976646
View directory record Official record
Conditions
Addiction, Opioid Use, Substance Use Disorders, Opioid Use Disorder
Interventions
Placebo, Auvelity
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 22, 2026, 9:22 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Testosterone Replacement for Male Opioid Agonist Maintained Patients

NCT01873989
View directory record Official record
Conditions
Chronic Pain, Opioid Addiction, Symptomatic Hypogonadism
Interventions
Testosterone replacement, Waitlist control
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 12, 2017 · Synced Oct 22, 2026, 9:22 AM EDT
Completed Not applicable Interventional Results available

Piloting "Signs of Safety": A Deaf-Accessible Therapy Toolkit for Alcohol Use Disorder and Trauma

NCT03845985
View directory record Official record
Conditions
Alcohol Use Disorder, Post Traumatic Stress Disorder
Interventions
Seeking Safety + Signs of Safety toolkit
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 12, 2024 · Synced Oct 22, 2026, 9:22 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

90-Day Online Substance Use Program

NCT03069118
View directory record Official record
Conditions
Addictive Behavior, Alcohol Use Disorder, Alcohol Abuse, Drug Abuse, Drug Use Disorders
Interventions
Treatment - Workit Health Online Program, Control - Resource List
Behavioral
Lead sponsor
Workit Health
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 13, 2017 · Synced Oct 22, 2026, 9:22 AM EDT
Completed Phase 3 Interventional Results available

Mechanistic Evaluations of Pre-Cessation Therapies for Smoking Cessation

NCT01406223
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Varenicline, Bupropion, Nicotine patches, Placebo varenicline, Placebo bupropion, Placebo patch
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 50 Years
Enrollment
282 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
2
States / cities
Durham, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 14, 2017 · Synced Oct 22, 2026, 9:22 AM EDT