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ClinicalTrials.gov public records Last synced May 22, 2026, 2:44 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 1,238 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Substance Use Treatment Clear all
Recruiting No phase listed Observational Accepts healthy volunteers
View directory record Official record
Conditions
Substance Use Disorders (SUDs)
Interventions
Cogito digital therapeutics development platform
Other
Lead sponsor
Square2 Systems, Inc.
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Hanover, New Hampshire
Source: ClinicalTrials.gov public record
Updated Aug 10, 2025 · Synced May 22, 2026, 2:44 AM EDT
Not yet recruiting Phase 1Phase 2 Interventional
View directory record Official record
Conditions
Treatment Resistant Depression, Substance Use Disorders
Interventions
Psilocybin
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years to 70 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
2
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced May 22, 2026, 2:44 AM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Alcohol Use Disorder (AUD)
Interventions
Tirzepatide, Saline Placebo
Drug · Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Boston, Massachusetts • Jamaica Plain, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced May 22, 2026, 2:44 AM EDT
Not listed Phase 2 Interventional
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
computer-assisted smoking cessation intervention, cancer prevention, educational intervention, survey administration
Behavioral · Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
630 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Sep 19, 2013 · Synced May 22, 2026, 2:44 AM EDT
Completed Not applicable Interventional Results available
View directory record Official record
Conditions
Copd, Smoking Cessation, Nicotine Dependence, Tobacco Use, Cigarette Smoking
Interventions
Unified Protocol adapted for smoking cessation
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 16, 2021 · Synced May 22, 2026, 2:44 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Major Depressive Disorder, Alcohol Use Disorder
Interventions
Mirtazapine, Placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 4, 2017 · Synced May 22, 2026, 2:44 AM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Alcohol Dependence, Alcohol Consumption
Interventions
Brief Intervention (adaptation of motivational interviewing)
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2006
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 5, 2010 · Synced May 22, 2026, 2:44 AM EDT
Completed Phase 3 Interventional
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
Naltrexone
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 99 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced May 22, 2026, 2:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Pregnancy Related, Substance Use, Mental Health Issue
Interventions
NEXUS intervention, Standardized Non-Medical fetal ultrasound
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 45 Years
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 18, 2025 · Synced May 22, 2026, 2:44 AM EDT
Completed Phase 1 Interventional
View directory record Official record
Conditions
Cocaine Dependence, in Remission, Cocaine Abuse, in Remission, Cocaine-Related Disorders
Interventions
Clavulanic Acid
Drug
Lead sponsor
Temple University
Other
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 25, 2020 · Synced May 22, 2026, 2:44 AM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
Conditions
Substance Use Disorders
Interventions
Peer Recovery Support-Delivered Dropout Prevention enhancement
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years to 25 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 7, 2025 · Synced May 22, 2026, 2:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Substance Abuse
Interventions
Patient-administered screening tool, Patient health navigator-administered screening tool, Patient health navigator-assisted linkage to treatment
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
3,358 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 30, 2020 · Synced May 22, 2026, 2:44 AM EDT
Not yet recruiting Not applicable Interventional
View directory record Official record
Conditions
Cocaine Use, Cocaine Dependence, Cocaine Use Disorder, Cocaine Use Disorder, Moderate, Cocaine Use Disorder, Severe
Interventions
Active H7-coil repetitive transcranial magnetic stimulation (rTMS), Sham H7-coil repetitive transcranial magnetic stimulation (rTMS)
Device
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
22 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced May 22, 2026, 2:44 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Tobacco Dependence
Interventions
Smoking Cessation, Yoga, Wellness
Behavioral · Other
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
255 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 18, 2021 · Synced May 22, 2026, 2:44 AM EDT
Completed Early Phase 1 Interventional
View directory record Official record
Conditions
Cigarette Smoking, Alcohol Use Disorders
Interventions
Varenicline, Prazosin, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 11, 2020 · Synced May 22, 2026, 2:44 AM EDT
Recruiting Phase 4 Interventional
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Sublingual buprenorphine with naloxone, Injectable subcutaneous buprenorphine
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
952 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2029
U.S. locations
25
States / cities
Tuscaloosa, Alabama • Phoenix, Arizona • Long Beach, California + 21 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2026 · Synced May 22, 2026, 2:44 AM EDT
Active, not recruiting Phase 1 Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Healthy, Opioid Use Disorder
Interventions
Carfentanil, C-11, Naloxone, Loperamide Hydrochloride
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 50 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced May 22, 2026, 2:44 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
EMBED CDS, Nurse prompt to complete COWS, Provider Prompt, Patient facing materials, Optimized EMBED, Name of Intervention
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
1,912 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
3
States / cities
Guilford, Connecticut • New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 24, 2025 · Synced May 22, 2026, 2:44 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Opioid Use Disorder (OUD), Chronic Pain
Interventions
Mindfulness text messages
Behavioral
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jan 19, 2026 · Synced May 22, 2026, 2:44 AM EDT
Completed Not applicable Interventional
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Recovery Connect
Device
Lead sponsor
Bright Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
1,524 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
9
States / cities
Anchorage, Alaska • Wasilla, Alaska • Billings, Montana + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2025 · Synced May 22, 2026, 2:44 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Marijuana Abuse
Interventions
AEF0117, Placebo oral capsule
Drug
Lead sponsor
Aelis Farma
Industry
Eligibility
18 Years to 65 Years
Enrollment
333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
11
States / cities
Phoenix, Arizona • Garden Grove, California • Los Angeles, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2024 · Synced May 22, 2026, 2:44 AM EDT
Recruiting Not applicable Interventional
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Realtime fMRI Neurofeedback - Active, TMS - Active, Realtime fMRI Neurofeedback - Yoked Sham, TMS - Sham
Behavioral · Device
Lead sponsor
Auburn University
Other
Eligibility
19 Years to 65 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Auburn, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 6, 2025 · Synced May 22, 2026, 2:44 AM EDT
Completed Phase 2 Interventional Results available
View directory record Official record
Conditions
Nicotine Dependence
Interventions
nicotine patch (Nicoderm Committed Quitter (CQ), Habitrol), denicotinized cigarettes (Quest 3 cigarettes)
Drug · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years to 60 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 22, 2018 · Synced May 22, 2026, 2:44 AM EDT
Enrolling by invitation Not applicable Interventional
View directory record Official record
Conditions
Anxiety Disorders and Symptoms, PTSD and Trauma-related Symptoms, Alcohol; Use, Problem; Alcohol Use Disorder
Interventions
Personalized intervention condition: Cognitive behavioral therapy skills, Therapeutic control condition: Cognitive behavioral therapy skills, Tracking control condition: Supportive counseling
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 65 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Piscataway, New Jersey
Source: ClinicalTrials.gov public record
Updated May 18, 2026 · Synced May 22, 2026, 2:44 AM EDT