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Showing 1–24 of 5,114 matching trials from the live ClinicalTrials.gov search.
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Completed No phase listed Observational Accepts healthy volunteers

Acoustic Startle Reduction In Cocaine Dependence

NCT00430690
View directory record Official record
Conditions
Cocaine-Related Disorders
Interventions
acoustic startle testing
Procedure
Lead sponsor
Emory University
Other
Eligibility
18 Years to 80 Years
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Aug 6, 2019 · Synced Jun 25, 2026, 8:14 PM EDT
Completed Phase 1 Interventional

Gradual Vs. Rapid Buprenorphine Detoxification - 2

NCT00000220
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Buprenorphine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
33 Years to 43 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
1991 – 2001
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Jun 25, 2026, 8:14 PM EDT
Completed Phase 2 Interventional

Very Low Nicotine Cigarettes in Smokers With Schizophrenia

NCT02019459
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Very low nicotine content cigarettes, standard nicotine content cigarettes
Other
Lead sponsor
Brown University
Other
Eligibility
18 Years to 70 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 8, 2018 · Synced Jun 25, 2026, 8:14 PM EDT
Completed Not applicable Interventional

Telehealth Treatment for Opioid Use Disorders

NCT05832879
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
OUD Telehealth Platform
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 5, 2025 · Synced Jun 25, 2026, 8:14 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Effectiveness of Modafinil and D-amphetamine in Treating Cocaine Dependent Individuals

NCT00218062
View directory record Official record
Conditions
Cocaine-Related Disorders
Interventions
D-Amphetamine 30mg, D-Amphetamine 60mg, Modafinil 200mg, Modafinil 400mg, Therapy, Placebo
Drug · Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 55 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 20, 2017 · Synced Jun 25, 2026, 8:14 PM EDT
Completed Phase 3 Interventional

Selegiline Transdermal System for the Treatment of Cocaine Dependence - 1

NCT00032929
View directory record Official record
Conditions
Cocaine-Related Disorders
Interventions
Selegiline
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
269 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2001
U.S. locations
16
States / cities
Tucson, Arizona • Berkeley, California • Los Angeles, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Jun 25, 2026, 8:14 PM EDT
Completed Not applicable Interventional

Cognitive Processing Intervention for Trauma, HIV/STI Risks, and Substance Use Among Native Women

NCT01849029
View directory record Official record
Conditions
Post Traumatic Stress Disorders, Unsafe Sex, Substance Use Disorders
Interventions
Cognitive Processing Therapy-Cognitive
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Toppenish, Washington
Source: ClinicalTrials.gov public record
Updated Aug 21, 2017 · Synced Jun 25, 2026, 8:14 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Use of a GLP-1R Agonist to Treat Opioid Use Disorder

NCT04199728
View directory record Official record
Conditions
Opiate Substitution Treatment, Opioid-Related Disorders
Interventions
Liraglutide Pen Injector, Placebo
Drug
Lead sponsor
Milton S. Hershey Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Hershey, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 5, 2024 · Synced Jun 25, 2026, 8:14 PM EDT
Completed Not applicable Interventional Results available

Preventing Violence Among Veterans in Substance Use Disorder Treatment

NCT01337973
View directory record Official record
Conditions
Aggression, Substance-Related Disorders
Interventions
MI-CBT, MI-CBT+CC, E-TAU
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 5, 2019 · Synced Jun 25, 2026, 8:14 PM EDT
Active, not recruiting Not applicable Interventional

DBS TaT in Peer-assisted Telemedicine for Hepatitis C

NCT06409169
View directory record Official record
Conditions
Hepatitis C
Interventions
DBS TaT, Usual Care
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Jun 25, 2026, 8:14 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The Community Youth Development Study: A Test of Communities That Care

NCT01088542
View directory record Official record
Conditions
Substance Abuse, Juvenile Delinquency, Sexual Behavior, Criminal Behavior, Violence, Depression, Anxiety, Suicide, Sexually Transmitted Infection, Educational Attainment
Interventions
Communities That Care
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
10 Years and older
Enrollment
52,323 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 6, 2025 · Synced Jun 25, 2026, 8:14 PM EDT
Completed Phase 3 Interventional

Motivational Enhancement for Spanish Speaking Individuals - 1

NCT00078169
View directory record Official record
Conditions
Substance-Related Disorders
Interventions
Behavior Therapy
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 99 Years
Enrollment
463 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
7
States / cities
Greeley, Colorado • Miami, Florida • Albuquerque, New Mexico + 3 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Jun 25, 2026, 8:14 PM EDT
Withdrawn Phase 2 Interventional

Ketamine for the Treatment for Alcohol Use Disorder in the ED

NCT05661669
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Ketamine, Saline
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 7, 2025 · Synced Jun 25, 2026, 8:14 PM EDT
Completed Not applicable Interventional

Acute Effects of TCIG vs ECIG in PLWH

NCT04568395
View directory record Official record
Conditions
E Cigarette Use, Vaping, Smoking, Tobacco Smoking, Nicotine Use Disorder, Qt Interval, Variation in, HIV I Infection, Oxidative Stress, Inflammation
Interventions
TCIG, ECIG, sham control
Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
21 Years to 45 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 3, 2023 · Synced Jun 25, 2026, 8:14 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

CB1R in Synthetic Psychoactive Cannabinoids

NCT03539575
View directory record Official record
Conditions
Drug Dependence
Interventions
[11-C]OMAR
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Jun 25, 2026, 8:14 PM EDT
Active, not recruiting Phase 1 Interventional

Utility of Brexanolone to Target Stress-induced Alcohol Use Among Men and Women With Posttraumatic Stress Disorder

NCT05223829
View directory record Official record
Conditions
PTSD, Alcohol Use Disorder
Interventions
Brexanolone
Drug
Lead sponsor
Yale University
Other
Eligibility
21 Years to 55 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Jun 25, 2026, 8:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Brief Intervention in Primary Care for Problem Drug Use and Abuse

NCT00877331
View directory record Official record
Conditions
Substance-Related Disorders
Interventions
Brief intervention using motivational interviewing
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
868 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 19, 2014 · Synced Jun 25, 2026, 8:14 PM EDT
Completed No phase listed Observational

Evaluation of an HIV Outreach Program

NCT00300183
View directory record Official record
Conditions
HIV Infections
Interventions
Not listed
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jan 7, 2019 · Synced Jun 25, 2026, 8:14 PM EDT
Completed Not applicable Interventional

Evaluating the Feasibility, Acceptability, and Preliminary Outcomes of Heart Rate Variability Biofeedback for Individuals With Opioid Use Disorder.

NCT07361731
View directory record Official record
Conditions
Autonomic Nervous System Imbalance, Heart Rate Variability (HRV), Opioid Use Disorder, Breathing Techniques, Opioid Craving, Recovery, Emotional Regulation, Positive and Negative Affect, Stress, Biofeedback
Interventions
Heart rate variability biofeedback
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Jun 25, 2026, 8:14 PM EDT
Completed Not applicable Interventional

Transcranial Magnetic Stimulation and Tobacco Use Disorder

NCT03827265
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
repetitive transcranial magnetic stimulation (rTMS)
Device
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 45 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 7, 2025 · Synced Jun 25, 2026, 8:14 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Rapid Determination Of The Clinical Utility Of Perampanel For The Treatment Of Alcohol Dependence

NCT02120365
View directory record Official record
Conditions
Alcoholism
Interventions
Perampanel, Placebo
Drug
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
21 Years to 70 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
4
States / cities
Farmington, Connecticut • New Haven, Connecticut • West Haven, Connecticut + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2023 · Synced Jun 25, 2026, 8:14 PM EDT
Recruiting Phase 2 Interventional

Orexin Receptor Antagonism for the Treatment of Alcohol Use Disorder and Stress-Related Drinking

NCT07214207
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Suvorexant 10 mg, Placebo
Drug · Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 65 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 10, 2025 · Synced Jun 25, 2026, 8:14 PM 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 22, 2018 · Synced Jun 25, 2026, 8:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

MISSION-Vet HUD-VASH Implementation Study

NCT01430741
View directory record Official record
Conditions
Substance Related Disorders, Mental Illness
Interventions
Maintaining Independence and Sobriety Through Systems Integration, Outreach, and Networking (Veterans Edition), Getting To Outcomes
Behavioral · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
227 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
4
States / cities
Denver, Colorado • Washington D.C., District of Columbia • Bedford, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 28, 2018 · Synced Jun 25, 2026, 8:14 PM EDT