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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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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 23, 2026, 4:15 AM EDT
Completed Phase 1 Interventional Results available

Developing a Smoking Cessation Intervention for Methadone Maintained Smokers

NCT01393392
View directory record Official record
Conditions
Nicotine Dependence, Opiate Dependence
Interventions
Intensive, tailored intervention, NJ Quitline Referral
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 5, 2018 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Phase 3 Interventional

Cognitive Behavioral Therapy (CBT) for Posttraumatic Stress Disorder (PTSD) in Community Addiction Treatment

NCT01457391
View directory record Official record
Conditions
Stress Disorders, Post-Traumatic, Substance-Related Disorders
Interventions
Cognitive Behavioral Therapy, Individual Addiction Counseling, Treatment-as-usual
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
443 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
4
States / cities
Berlin Corners, Vermont • Brattleboro, Vermont • Burlington, Vermont + 1 more
Source: ClinicalTrials.gov public record
Updated Feb 15, 2015 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Not applicable Interventional Results available

QuitFast: Evaluating Transcranial Magnetic Stimulation as a Tool to Reduce Smoking Directly Following a Quit Attempt

NCT04159571
View directory record Official record
Conditions
Smoking, Smoking Cessation, Craving, Addiction, Addiction Nicotine, Nicotine Dependence, Cigarette Smoking
Interventions
Real TBS to the vmPFC, Sham cTBS to the vmPFC
Device
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 20, 2024 · Synced Jul 23, 2026, 4:15 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 23, 2026, 4:15 AM EDT
Terminated Not applicable Interventional Results available

Just-In-Time Adaptive Interventions for Addictive Behaviors

NCT03538652
View directory record Official record
Conditions
Addiction
Interventions
Formative Interviews (not an intervention), Cognitive-behavioral therapy (CBT), Acceptance and commitment therapy (ACT), No intervention
Other · Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 75 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Jul 23, 2026, 4:15 AM EDT
Recruiting Phase 2 Interventional

Combined THC and CBD for OUD and Chronic Pain

NCT06544291
View directory record Official record
Conditions
Chronic Pain, Opioid Use Disorder
Interventions
CBD 300mg, CBD 600mg, Placebo 0mg
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Phase 1 Interventional Results available

PET Imaging and Bariatric Surgery

NCT00801827
View directory record Official record
Conditions
Obesity, Morbid
Interventions
F-18 (fallypride)
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 60 Years
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 16, 2017 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Phase 2 Interventional Results available

Acute and Short-term Effects of CBD on Cue-induced Craving in Drug-abstinent Heroin-dependent Humans

NCT02539823
View directory record Official record
Conditions
Opiate Addiction
Interventions
CBD 400 mg, CBD 800 mg, Control (placebo)
Drug
Lead sponsor
Hurd,Yasmin, Ph.D.
Individual
Eligibility
21 Years to 65 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 31, 2022 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Quit Smoking Study for People Who Use E-Cigarettes

NCT04946825
View directory record Official record
Conditions
Nicotine Addiction, E-Cig Use, Quitting Smoking
Interventions
Nicotine replacement therapy patch, Nicotine replacement therapy lozenge, Quit electronic cigarettes, Continue electronic cigarettes
Drug · Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 29 Years
Enrollment
396 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Phase 2 Interventional

Propranolol for Treatment of Cocaine Addiction - 2

NCT00000197
View directory record Official record
Conditions
Cocaine-Related Disorders
Interventions
Propranolol
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
25 Years to 49 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1987 – 2002
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effectiveness of N-acetylcysteine in Treating Cocaine Dependent Individuals - 1

NCT00136825
View directory record Official record
Conditions
Cocaine-Related Disorders
Interventions
N-Acetylcysteine, Placebo
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 45 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2005
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Jul 23, 2026, 4:15 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 13, 2017 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Neurobiology of Nicotine and Non-nicotine Components of Tobacco Addiction

NCT01056926
View directory record Official record
Conditions
Smoking
Interventions
Quit smoking, Nicotine patch, Placebo Patch
Behavioral · Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 55 Years
Enrollment
147 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 30, 2017 · Synced Jul 23, 2026, 4:15 AM EDT
Completed No phase listed Observational

Natural Language Processing for Screening Opioid Misuse

NCT05745480
View directory record Official record
Conditions
Opioid Use Disorder, Opioid Misuse
Interventions
Opioid Misuse Screening with an Addiction Consult Service
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
47,502 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 22, 2025 · Synced Jul 23, 2026, 4:15 AM EDT
Recruiting Not applicable Interventional

Sustaining Recovery for People on Opioid Agonist Treatment With Conversational Agents

NCT06732596
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Embodied conversational agent (ECA), Technical support, Additional ECA messages, Additional incentives
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 2, 2025 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Smartphone Application (ACT on Vaping) for Vaping Cessation in Young Adults

NCT05897242
View directory record Official record
Conditions
Nicotine Dependence, Nicotine Addiction, Nicotine Use Disorder, Nicotine Vaping, Vaping
Interventions
Smartphone app, Text Message, Survey Administration
Behavioral · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 30 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 23, 2025 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Phase 2 Interventional Results available

Buprenorphine's Dose Response Curve

NCT00460239
View directory record Official record
Conditions
Opioid-related Disorders
Interventions
Buprenorphine, Morphine, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 2, 2017 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Not applicable Interventional Results available

Specialized Community Disease Management to Reduce Substance Use and Hospital Readmissions

NCT02059005
View directory record Official record
Conditions
Drug Use, Alcohol Use, Congestive Heart Failure, Pneumonia, Acute Myocardial Infarction, Diabetes Mellitus, Chronic Obstructive Pulmonary Disease, End-Stage Renal Disease
Interventions
Specialized Community Disease Management, Treatment As Usual
Behavioral
Lead sponsor
Treatment Research Institute
Other
Eligibility
18 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 28, 2023 · Synced Jul 23, 2026, 4:15 AM EDT
Recruiting Not applicable Interventional

Evaluating a One-Year Version of the Parent-Child Assistance Program

NCT06163651
View directory record Official record
Conditions
Alcohol Use Disorder, Substance Use Disorders, Alcohol Use Complicating Pregnancy, Unspecified Trimester, Drug Use Disorders, Drug Use Complicating Pregnancy, Unspecified Trimester
Interventions
Parent-Child Assistance Program - One-Year Version
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Enid, Oklahoma • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jul 2, 2025 · Synced Jul 23, 2026, 4:15 AM EDT
Withdrawn Phase 4 Interventional

Suboxone User Perioperative Early Referral and Enhanced Recovery After Surgery- Orthopaedic Trauma Surgery Population

NCT04464512
View directory record Official record
Conditions
Addiction Opiate, Chronic Pain, Fractures, Bone, Buprenorphine Dependence
Interventions
Sufentanil
Drug
Lead sponsor
West Virginia University
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Dec 11, 2022 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Not applicable Interventional Results available

INTEGRA: A Vanguard Study of Health Service Delivery in a Mobile Health Delivery Unit

NCT04804072
View directory record Official record
Conditions
HIV Infections, Drug Use, Opioid Use, Opioid-use Disorder
Interventions
Medication for opioid-use disorder (MOUD) for opioid-use disorder (OUD), HIV testing, HIV treatment for participants living with HIV not already in care, PrEP for participants without HIV, Testing and referral for vaccination or treatment for hepatitis A virus (HAV) and hepatitis B virus (HBV), Testing and referral for treatment for hepatitis C virus (HCV), Sexually transmitted infection (STI) testing and treatment, Primary care, Harm reduction services, Peer navigation, COVID-19 testing and referral for further evaluation, care and/or treatment
Drug · Diagnostic Test · Other + 1 more
Lead sponsor
HIV Prevention Trials Network
Network
Eligibility
18 Years and older
Enrollment
447 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
5
States / cities
Los Angeles, California • Washington D.C., District of Columbia • The Bronx, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Not applicable Interventional Results available

Implementation Science to Reduce the Disparity in Tobacco Treatment Among Individuals With Serious Mental Illness

NCT05952401
View directory record Official record
Conditions
Smoking, Smoking Cessation, Tobacco Use Cessation
Interventions
Usual Care, "Nudges"
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Jul 23, 2026, 4:15 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Addiction Treatment in Russia: Oral vs. Naltrexone Implant

NCT00218426
View directory record Official record
Conditions
Heroin Dependence, Opioid-Related Disorders
Interventions
naltrexone implant, oral naltrexone, oral placebo naltrexone, placebo implant
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 50 Years
Enrollment
306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 17, 2019 · Synced Jul 23, 2026, 4:15 AM EDT