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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Substance Related Disorders Clear all
Completed Not applicable Interventional

Written Exposure in Substance Treatment

NCT06296940
View directory record Official record
Conditions
Posttraumatic Stress Disorder, Substance Use Disorders
Interventions
Written Exposure Therapy, Treatment as Usual
Behavioral
Lead sponsor
Potomac Health Foundations
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 9, 2025 · Synced Jul 22, 2026, 2:27 PM EDT
Completed Not applicable Interventional Results available

The Gender-Sex Hormone Interface With Craving & Stress-Related Changes in Smoking

NCT01576874
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Oxytocin, placebo
Drug
Lead sponsor
Kevin Gray, MD
Other
Eligibility
18 Years to 45 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 30, 2020 · Synced Jul 22, 2026, 2:27 PM EDT
Completed Phase 1Phase 2 Interventional

Effects of Smoked Marijuana on Neuropathic Pain

NCT00254761
View directory record Official record
Conditions
Neuropathic Pain
Interventions
Cannabis
Drug
Lead sponsor
Center for Medicinal Cannabis Research
Other
Eligibility
18 Years to 70 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Feb 27, 2008 · Synced Jul 22, 2026, 2:27 PM EDT
Completed Phase 2 Interventional

Examining the Role of the Orexin System in Sleep and Stress in Persons With Opioid Use Disorder

NCT04287062
View directory record Official record
Conditions
Sleep Disturbance, Opioid-use Disorder
Interventions
Suvorexant, Placebos
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 65 Years
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
5
States / cities
Baltimore, Maryland • Bel Air, Maryland • Elkton, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 19, 2025 · Synced Jul 22, 2026, 2:27 PM EDT
Completed Not applicable Interventional Results available

Usability Testing for the Reward-based Technology to Improve OUD Treatment

NCT05159362
View directory record Official record
Conditions
Opioid-use Disorder, Contingency Management, Medication for Opioid-use Disorder
Interventions
Software Application
Other
Lead sponsor
Q2i, LLC
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 29, 2023 · Synced Jul 22, 2026, 2:27 PM EDT
Terminated Not applicable Interventional Results available

Collaborative Care for Opioid Dependence And Pain Pilot Study

NCT04121546
View directory record Official record
Conditions
Opioid Dependence, Chronic Pain
Interventions
Telecare Intervention
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 29, 2024 · Synced Jul 22, 2026, 2:27 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

An Effectiveness Trial of Maintenance Therapy for Nicotine Dependence

NCT01047527
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Transdermal nicotine patch
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
525 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
2
States / cities
Chicago, Illinois • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 7, 2015 · Synced Jul 22, 2026, 2:27 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Epi-Genetic Modulators of Fear Extinction in Alcohol Dependence

NCT02438969
View directory record Official record
Conditions
Fear, Stress, Alcohol Dependence
Interventions
Not listed
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
21 Years to 65 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Jul 22, 2026, 2:27 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Marijuana's Impact on Alcohol Motivation and Consumption

NCT02983773
View directory record Official record
Conditions
Alcohol Drinking, Marijuana
Interventions
THC 7.2%, THC 3.1%, Placebo
Drug
Lead sponsor
Brown University
Other
Eligibility
21 Years to 44 Years
Enrollment
157 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 20, 2026 · Synced Jul 22, 2026, 2:27 PM EDT
Completed Not applicable Interventional

Evaluating New Mexico's Recidivism Reduction Program

NCT01357291
View directory record Official record
Conditions
Behavior
Interventions
Recidivism Reduction Program, Business-as-usual
Behavioral
Lead sponsor
Pepperdine University
Other
Eligibility
18 Years and older · Male only
Enrollment
159 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
4
States / cities
Grants, New Mexico • Los Lunas, New Mexico • Santa Fe, New Mexico + 1 more
Source: ClinicalTrials.gov public record
Updated Apr 9, 2018 · Synced Jul 22, 2026, 2:27 PM EDT
Not listed No phase listed Observational

The Use of Medicinal Cannabinoids as Adjunctive Treatment for Medically Refractory Epilepsy

NCT02523183
View directory record Official record
Conditions
Epilepsy, Unspecified, Refractory (Medically)
Interventions
Medical Cannabis
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
1 Month to 20 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Jul 22, 2026, 2:27 PM EDT
Completed No phase listed Observational

Assessment of Analgesics and Sedatives in Mechanically Ventilated Patients With COVID-19

NCT05336656
View directory record Official record
Conditions
COVID-19, ARDS, Withdrawal Syndrome, Iatrogenic Disease
Interventions
Not listed
Lead sponsor
Wilkes University
Other
Eligibility
18 Years to 90 Years
Enrollment
353 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Wilkes-Barre, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 25, 2023 · Synced Jul 22, 2026, 2:27 PM EDT
Recruiting Phase 2 Interventional

Ketamine for Opioid Use Disorder

NCT06943859
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Treatment with Ketamine, Treatment with Very Low Dose Ketamine
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Jul 22, 2026, 2:27 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mentored Research on Improving Alcohol Brief Interventions in Medical Settings

NCT02978027
View directory record Official record
Conditions
Alcohol Abuse
Interventions
Brief Advice, NIAAA Clinician's Guide, Motivational Interviewing (MI)
Behavioral
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
93 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Oct 10, 2018 · Synced Jul 22, 2026, 2:27 PM EDT
Recruiting Phase 1 Interventional

Diclofenac Dose Response Study

NCT06636227
View directory record Official record
Conditions
Alcohol Use Disorder (AUD), Alcohol-Related Disorders
Interventions
Diclofenac 100mg, Diclofenac 75mg, Diclofenac 50mg, Placebo control
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
21 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Jul 22, 2026, 2:27 PM EDT
Completed Phase 2 Interventional

HIV Risk Reduction and Drug Abuse Treatment in Malaysia

NCT00383045
View directory record Official record
Conditions
Opiate Dependence
Interventions
Buprenorphine/Subutex, Naltrexone, Drug counseling
Drug · Procedure
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 30, 2020 · Synced Jul 22, 2026, 2:27 PM EDT
Completed Phase 4 Interventional

Use of Naltrexone in a Clinical Setting

NCT00000445
View directory record Official record
Conditions
Alcoholism
Interventions
naltrexone (Revia)
Drug
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2002
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Jul 22, 2026, 2:27 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

S-Adenosyl-L-Methionine (SAMe) for Smoking Abstinence

NCT00722124
View directory record Official record
Conditions
Tobacco Dependence
Interventions
S-Adenosyl-L-Methionine, placebo
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
2
States / cities
Rochester, Minnesota • La Crosse, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 8, 2011 · Synced Jul 22, 2026, 2:27 PM EDT
Completed Phase 2 Interventional Results available

Enhancing the Effects of Adolescent Alcohol Treatment With Atomoxetine

NCT04565288
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Atomoxetine, Placebo
Drug
Lead sponsor
Brown University
Other
Eligibility
14 Years to 20 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated May 8, 2025 · Synced Jul 22, 2026, 2:27 PM EDT
Completed Phase 2 Interventional

The MEADOW PROJECT (Mending the Effects of Alcohol and Depression on Women) and The Bridge Program (Connecting Recovery Treatment and Behavioral Health)

NCT00851669
View directory record Official record
Conditions
Alcohol Dependence, Depression
Interventions
Interpersonal Psychotherapy for Co-occurring Alcohol Dependence and Major Depression (IPT-ADMD), Treatment as Usual
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years to 65 Years
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jul 15, 2013 · Synced Jul 22, 2026, 2:27 PM EDT
Completed Not applicable Interventional Results available

An App to Reduce Cannabis Use Among Emerging Adults

NCT05824754
View directory record Official record
Conditions
Cannabis Use
Interventions
Just-In-Time-Adaptive-Intervention (JITAI)
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 25 Years
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 11, 2025 · Synced Jul 22, 2026, 2:27 PM EDT
Withdrawn Phase 2 Interventional

Neurobiology of Opioid Dependence: 3 - 3

NCT00000194
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Cycloserine
Drug
Lead sponsor
Yale University
Other
Eligibility
Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 1998
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 5, 2016 · Synced Jul 22, 2026, 2:27 PM EDT
Completed Phase 2 Interventional Results available

Placebo-controlled Trial of Bupropion for Smoking Cessation in Pregnant Women

NCT02188459
View directory record Official record
Conditions
Smoking, Nicotine Dependence
Interventions
Bupropion
Drug
Lead sponsor
Henry Kranzler
Other
Eligibility
18 Years and older · Female only
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
3
States / cities
Newark, Delaware • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 3, 2021 · Synced Jul 22, 2026, 2:27 PM EDT
Completed Phase 2 Interventional Results available

Therapeutic Substance Abuse Treatment in Pregnancy - 1

NCT00227903
View directory record Official record
Conditions
Alcohol Abuse, Cocaine Abuse, Marijuana Abuse
Interventions
MI-CBT, Brief Advice
Behavioral
Lead sponsor
Yale University
Other
Eligibility
16 Years to 45 Years · Female only
Enrollment
168 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2010
U.S. locations
2
States / cities
Bridgeport, Connecticut • New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Jul 22, 2026, 2:27 PM EDT