Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
Search Results

Search by objective public record fields.

Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Jul 21, 2026, 4:04 PM 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 1,548 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Condition: Substance Dependence Clear all
Completed Phase 2 Interventional

Effectiveness and Costs of Enhanced Cocaine Treatments

NCT00167258
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Voucher Reinforcement, Extra Counseling Services, Voucher Reinforcement + Extra Counseling Services
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 65 Years
Timeline
Ends 2007
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 14, 2009 · Synced Jul 21, 2026, 4:04 PM EDT
Completed No phase listed Observational

Clinical Trial of CBASP for Individuals With Co-occurring Chronic Depression and Alcohol Dependence

NCT01528748
View directory record Official record
Conditions
Depressive Disorder, Major Depressive Disorder, Dysthymic Disorder, Alcohol-Related Disorders, Alcoholism
Interventions
Cognitive Behavioral Analysis System of Psychotherapy
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
21 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 16, 2019 · Synced Jul 21, 2026, 4:04 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Smoking, Sex Hormones, and Pregnancy

NCT01811225
View directory record Official record
Conditions
Nicotine Dependence, Contraception
Interventions
Low-dose Progesterone, High-dose Progesterone
Drug
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
95 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 12, 2020 · Synced Jul 21, 2026, 4:04 PM EDT
Completed Phase 2 Interventional Results available

Study of Medical Treatment for Methamphetamine Addiction

NCT00833443
View directory record Official record
Conditions
Methamphetamine, Amphetamine Dependence, Pharmacogenetics, Methamphetamine Dependence, Substance Abuse
Interventions
Bupropion
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 25, 2014 · Synced Jul 21, 2026, 4:04 PM EDT
Completed Not applicable Interventional Results available

Smartphone Based Continuing Care for Alcohol

NCT02681406
View directory record Official record
Conditions
Alcohol Abuse
Interventions
ACHESS, TMC
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 75 Years
Enrollment
262 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 8, 2022 · Synced Jul 21, 2026, 4:04 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Testing Methylphenidate for Smoking Abstinence

NCT00549640
View directory record Official record
Conditions
Smoking
Interventions
Methylphenidate, Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 18, 2011 · Synced Jul 21, 2026, 4:04 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Nicotine on Areas of Impaired and Preserved Functioning in Schizophrenia

NCT01034085
View directory record Official record
Conditions
Nicotine Dependence, Schizophrenia
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2013
U.S. locations
1
States / cities
Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 4, 2018 · Synced Jul 21, 2026, 4:04 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Combined Pharmaco/Behavior Therapy in Adolescent Smokers

NCT00330187
View directory record Official record
Conditions
Nicotine Dependence, Nicotine Use Disorder
Interventions
Bupropion SR, Contingency Management, Placebo
Drug · Behavioral · Other
Lead sponsor
Medical University of South Carolina
Other
Eligibility
12 Years to 21 Years
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 1, 2018 · Synced Jul 21, 2026, 4:04 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Remote Observed Dosing of Suboxone to Improve Clinical Practice

NCT03769025
View directory record Official record
Conditions
Opioid-use Disorder, Opioid Dependence, Opiate Dependence
Interventions
Suboxone Remote Observed Dosing, Suboxone Attention Control
Behavioral · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced Jul 21, 2026, 4:04 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Young Adult Tobacco/Nicotine and Cannabis Co-use

NCT06239350
View directory record Official record
Conditions
Tobacco Use Disorder, Nicotine Dependence
Interventions
Counseling, Contingency management, Text-based support
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 25 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Jul 21, 2026, 4:04 PM EDT
Completed No phase listed Observational

A Naturalistic Study of Adolescents and Young Adults in Treatment for Opioid Dependence

NCT02718352
View directory record Official record
Conditions
Opioid Dependence
Interventions
Naturalistic Prospective Cohort
Other
Lead sponsor
Yale University
Other
Eligibility
16 Years to 25 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 26, 2018 · Synced Jul 21, 2026, 4:04 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Dronabinol Treatment for Marijuana Addiction

NCT00217971
View directory record Official record
Conditions
Marijuana Abuse
Interventions
Dronabinol, Placebo
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
18 Years to 60 Years
Enrollment
156 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Jul 21, 2026, 4:04 PM EDT
Completed Phase 4 Interventional Results available

Dutasteride for the Reduction of Alcohol Use in Male Drinkers

NCT01262287
View directory record Official record
Conditions
Alcoholism, Alcohol Abuse, Alcohol Dependence
Interventions
Dutasteride, Placebo
Drug
Lead sponsor
UConn Health
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 19, 2017 · Synced Jul 21, 2026, 4:04 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Measuring Distress Tolerance With Functional MRI

NCT01038232
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2015
U.S. locations
2
States / cities
Baltimore, Maryland • College Park, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 11, 2019 · Synced Jul 21, 2026, 4:04 PM EDT
Completed Phase 2 Interventional

M-CPP and Fenfluramine in Cocaine Addicts - 3

NCT00000314
View directory record Official record
Conditions
Cocaine-Related Disorders
Interventions
M-CPP
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
25 Years to 50 Years · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
1994 – 1999
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Jan 17, 2017 · Synced Jul 21, 2026, 4:04 PM EDT
Terminated Phase 2 Interventional Results available

Vigabatrin for Cocaine and Alcohol Dependence

NCT01335867
View directory record Official record
Conditions
Alcoholism, Cocaine Dependence
Interventions
Vigabatrin, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 5, 2019 · Synced Jul 21, 2026, 4:04 PM EDT
Withdrawn Not applicable Interventional

cSBI-M for Young Military Personnel

NCT01847300
View directory record Official record
Conditions
Alcohol Abuse, Tobacco Dependence, Substance Abuse
Interventions
cSBI-M
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years to 25 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 6, 2016 · Synced Jul 21, 2026, 4:04 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Digital Intervention (ACT on Vaping App) for Vaping Cessation in Young Adult E-Cigarette Users

NCT06909500
View directory record Official record
Conditions
Nicotine Dependence, Tobacco-Related Carcinoma
Interventions
Smartphone app, Text Message, Survey Administration
Behavioral · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 30 Years
Enrollment
1,178 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Jul 21, 2026, 4:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Meditation and Opioid Consumption in Total Joint Replacement Patients Undergo Primary Total Hip and Knee Replacement

NCT05669066
View directory record Official record
Conditions
Arthropathy of Knee, Osteo Arthritis Knee, Osteonecrosis, Meditation, Knee Osteoarthritis, Knee Disease, Knee Injuries, Opioid Use, Opioid Dependence, Opioid Use Disorder
Interventions
Mindful meditation
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 89 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 29, 2022 · Synced Jul 21, 2026, 4:04 PM EDT
Completed Phase 3 Interventional Results available

Achieving Cannabis Cessation-Evaluating N-Acetylcysteine Treatment

NCT01675661
View directory record Official record
Conditions
Cannabis Dependence
Interventions
N-Acetylcysteine, Placebo
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 50 Years
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
6
States / cities
Los Angeles, California • New Haven, Connecticut • Lexington, Kentucky + 3 more
Source: ClinicalTrials.gov public record
Updated May 23, 2018 · Synced Jul 21, 2026, 4:04 PM EDT
Completed Phase 1 Interventional

Evaluation of Lofexidine for Treatment of Opiate Withdrawal - 10

NCT00000345
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Lofexidine
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1996
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Jul 21, 2026, 4:04 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Baclofen for Treating Anxiety and Alcoholism

NCT01751386
View directory record Official record
Conditions
Alcoholism, Alcohol Dependence, Alcohol Drinking Related Problems, Alcohol Drinking, Anxiety Disorder
Interventions
Baclofen, Placebo
Drug · Other
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
21 Years to 65 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 17, 2017 · Synced Jul 21, 2026, 4:04 PM EDT
Not listed Early Phase 1 Interventional Accepts healthy volunteers

Nicotine and Pavlovian Bias

NCT06027723
View directory record Official record
Conditions
Nicotine Vaping, Nicotine Dependence
Interventions
Nicotine, Placebo
Drug · Other
Lead sponsor
University of Southern California
Other
Eligibility
21 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 8, 2023 · Synced Jul 21, 2026, 4:04 PM EDT
Withdrawn Phase 2 Interventional

Tacrine Effects on Cocaine Self-Administration and Pharmacokinetics

NCT01406522
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Oral tacrine, Oral placebo
Drug
Lead sponsor
Midwest Biomedical Research Foundation
Other
Eligibility
21 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 17, 2013 · Synced Jul 21, 2026, 4:04 PM EDT