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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Substance Use Disorder Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Positive Choice: Prevention for Positive Health

NCT00447707
View directory record Official record
Conditions
HIV Infections, Sexual Risk Behavior, Substance Use Risks
Interventions
Positive Choice
Behavioral
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
497 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
5
States / cities
Oakland, California • San Francisco, California • San Leandro, California
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 14, 2026, 10:47 AM EDT
Completed Phase 3 Interventional

Motivational Incentives for Enhanced Drug Abuse Recovery: Drug Free Clinics - 1

NCT00033007
View directory record Official record
Conditions
Substance-Related Disorders
Interventions
Behavior Therapy
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
Up to 99 Years
Enrollment
440 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2003
U.S. locations
11
States / cities
Los Angeles, California • Alamosa, Colorado • Littleton, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 14, 2026, 10:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Neural and Mobile Assessment OF Behavior Change Among Problem Drinkers

NCT03457077
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Brief intervention
Behavioral
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 55 Years
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 4, 2023 · Synced Sep 14, 2026, 10:47 AM EDT
Completed No phase listed Observational

COVID EHR COHORT at the University of Wisconsin

NCT04506528
View directory record Official record
Conditions
COVID-19, Cancer, Nicotine Dependence, Pulmonary Disease, Cardiovascular Diseases, Immunosuppression Disorders
Interventions
Not listed
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
0 Years and older
Enrollment
1,634,381 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 30, 2022 · Synced Sep 14, 2026, 10:47 AM EDT
Completed Phase 2 Interventional

Emergency Department-Initiated Buprenorphine Validation Network Trial

NCT04225598
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
CAM2038, Buprenorphine Sublingual Product
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
35
States / cities
Oakland, California • San Leandro, California • New Haven, Connecticut + 25 more
Source: ClinicalTrials.gov public record
Updated Jan 9, 2025 · Synced Sep 14, 2026, 10:47 AM EDT
Completed Not applicable Interventional

Lung Rehabilitation in Treating Patients With Chronic Obstructive Pulmonary Disease Who Are Undergoing Surgery for Lung Cancer

NCT00363428
View directory record Official record
Conditions
Lung Cancer, Perioperative/Postoperative Complications, Pulmonary Complications, Tobacco Use Disorder
Interventions
exercise intervention, smoking cessation intervention, counseling intervention, educational intervention, conventional surgery, pulmonary complications management/prevention
Behavioral · Other · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 120 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2012
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 18, 2017 · Synced Sep 14, 2026, 10:47 AM EDT
Active, not recruiting Phase 3 Interventional

Behavioral Pharmacological Examination of a Novel Buprenorphine Induction Method Among Individuals Who Use Fentanyl

NCT06089707
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Naloxone Nasal Spray
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 26, 2026 · Synced Sep 14, 2026, 10:47 AM EDT
Completed Phase 2 Interventional Results available

Phenethyl Isothiocyanate in Preventing Lung Cancer in Smokers

NCT00691132
View directory record Official record
Conditions
Lung Cancer, Tobacco Use Disorder
Interventions
phenethyl isothiocyanate, placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
21 Years to 70 Years
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated May 11, 2017 · Synced Sep 14, 2026, 10:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

STEPuP: Prenatal Provider Education and Training to Improve Medication-assisted Treatment Use During Pregnancy

NCT04527926
View directory record Official record
Conditions
Opioid-use Disorder, Pregnancy Related
Interventions
STEPuP Intervention, Usual Care
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
1,022 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Sep 14, 2026, 10:47 AM EDT
Completed Phase 2 Interventional Results available

Improving the Efficacy of Anti-Nicotine Immunotherapy

NCT01280968
View directory record Official record
Conditions
Nicotine Dependence
Interventions
NIC002 in Aluminum hydroxide (Alum), Placebo Vaccine - Aluminum hydroxide
Biological
Lead sponsor
Alexey Mukhin
Other
Eligibility
18 Years to 55 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
2
States / cities
Durham, North Carolina • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 4, 2014 · Synced Sep 14, 2026, 10:47 AM EDT
Completed Not applicable Interventional

Assessing Long-term CTN 0049 Outcomes, HCV Prevalence and Progression Along the HCV Care Continuum Among HIV/HCV Co-infected Substance Users in the U.S.

NCT02641158
View directory record Official record
Conditions
Hepatitis C, HIV, AIDS, Substance Use
Interventions
Control Group, Care Facilitation Group
Other · Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
422 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
11
States / cities
Birmingham, Alabama • Torrance, California • Miami, Florida + 8 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2020 · Synced Sep 14, 2026, 10:47 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Health and Resilience Projects: Foundations

NCT05253235
View directory record Official record
Conditions
Substance Use
Interventions
SAAF, Receipt of parenting book
Behavioral · Other
Lead sponsor
University of Georgia
Other
Eligibility
10 Years to 13 Years
Enrollment
650 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 22, 2022 · Synced Sep 14, 2026, 10:47 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Screening Protocol for the Evaluation of Research Participants at the Maryland Psychiatric Research Center (MPRC)

NCT01030835
View directory record Official record
Conditions
Substance Use Disorders
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
2
States / cities
Baltimore, Maryland • Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 14, 2026, 10:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Testing Effectiveness of the Community Reinforcement Approach and Family Training (CRAFT) With American Indians

NCT03203889
View directory record Official record
Conditions
Substance Use Disorders, Family Members
Interventions
CRAFT-AI, TSF-CSO
Behavioral
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Zuni, New Mexico
Source: ClinicalTrials.gov public record
Updated Aug 21, 2022 · Synced Sep 14, 2026, 10:47 AM EDT
Recruiting Phase 2 Interventional

Tirzepatide for Alcohol Use Disorder

NCT06994338
View directory record Official record
Conditions
Alcohol Use Disorder, Obesity and Overweight, Alcohol
Interventions
Tirzepatide, Placebo injections
Drug
Lead sponsor
University of Southern California
Other
Eligibility
21 Years to 65 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 13, 2025 · Synced Sep 14, 2026, 10:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Electronic Cigarette Use on the Lungs

NCT02596685
View directory record Official record
Conditions
Current Smoker, Never Smoker, Tobacco Use Disorder, Former Smoker, E-cig User
Interventions
Bronchoscopy, Electronic Cigarette, Laboratory Biomarker Analysis, Questionnaire Administration
Procedure · Other
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years to 45 Years
Enrollment
142 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 29, 2024 · Synced Sep 14, 2026, 10:47 AM EDT
Completed Phase 2 Interventional Results available

Gender Differences in Response to Nicotine Replacement Therapy and De-Nicotinized Cigarettes

NCT00960778
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 Sep 14, 2026, 10:47 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Product Characteristics on the Abuse Liability of Nicotine Pouches

NCT07165808
View directory record Official record
Conditions
Nicotine Addiction
Interventions
Nicotine pouch: Low dose, Nicotine pouch: High dose, Low pH, High pH
Other
Lead sponsor
Emory University
Other
Eligibility
21 Years to 35 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 14, 2026, 10:47 AM EDT
Completed Not applicable Interventional Results available

Electronic Decision Support Systems for Smokers With Severe Mental Illness

NCT01412866
View directory record Official record
Conditions
Severe Mental Illness, Nicotine Dependence, Schizophrenia, Tobacco Use Disorder
Interventions
EDSS with CO feedback and health checklist, EDSS with health checklist feedback alon
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 11, 2018 · Synced Sep 14, 2026, 10:47 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Successful Transitions and Reintegration Tools for Veterans (START-VETS)

NCT04366531
View directory record Official record
Conditions
Substance Use Disorder, Mental Illness, Recently Incarcerated
Interventions
START-VET, Treatment as usual
Behavioral · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 25, 2025 · Synced Sep 14, 2026, 10:47 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Brief Online Interventions for Alcohol Use

NCT03438539
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Normative Feedback, Inhibitory Control Training, Working Memory Training
Behavioral
Lead sponsor
Craig Rush
Other
Eligibility
21 Years and older
Enrollment
444 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jan 28, 2020 · Synced Sep 14, 2026, 10:47 AM EDT
Completed Not applicable Interventional Results available

Improving Effective Contraceptive Use Among Opioid-maintained Women: Stage II

NCT02411357
View directory record Official record
Conditions
Contraceptive Usage, Opioid Dependence
Interventions
Treatment as usual, WHO contraception protocol, Incentives
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
138 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Feb 9, 2023 · Synced Sep 14, 2026, 10:47 AM EDT
Withdrawn Not applicable Interventional

State and Trait Mediated Response to TMS in Substance Use Disorder

NCT03707600
View directory record Official record
Conditions
Nicotine Dependence
Interventions
TMS
Device
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 60 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 15, 2020 · Synced Sep 14, 2026, 10:47 AM EDT