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Showing 1–24 of 31 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Substance Use History Clear all
Completed No phase listed Observational

Characterization of Phenotypic and Genotypic Regressors for Imaging

NCT01148381
View directory record Official record
Conditions
Healthy Volunteers, Substance Use Disorders
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
847 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 7, 2026, 3:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Assessing the Effect of Distance Learning Vocational Rehabilitation on Employment Outcomes of Veterans With Psychiatric Illness and Histories of Legal Convictions

NCT03331354
View directory record Official record
Conditions
Unemployment, Mental Illness, Substance Use Disorder, Legal History
Interventions
Distant vocational learning, Basic vocational services
Behavioral · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
136 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 27, 2024 · Synced Sep 7, 2026, 3:21 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Imaging Cannabinoid Receptors Using Positron Emission Tomography (PET) Scanning

NCT01730781
View directory record Official record
Conditions
Schizophrenia, Cannabis Dependence, Prodromal for Psychotic Illness, Family History of Alcoholism, Healthy Control, Opioid-use Disorder, Post Traumatic Stress Disorder
Interventions
[11-C]OMAR
Radiation
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years · Male only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2026
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 7, 2026, 3:21 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Addictions Neuroclinical Assessment (ANA)

NCT04946851
View directory record Official record
Conditions
Normal Physiology, Alcohol Use Disorder
Interventions
Not listed
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years to 99 Years
Enrollment
1,400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2031
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 7, 2026, 3:21 AM EDT
Completed No phase listed Observational

Developing Field Tools for Real-Time Assessment of Exposure to Psychosocial Stress and Drug Use in an Outpatient Treatment Population

NCT00787423
View directory record Official record
Conditions
Stress, Drug Abuse
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
373 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Sep 7, 2026, 3:21 AM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Probing the Cannabinoid System in Individuals With a Family History of Psychosis

NCT02102113
View directory record Official record
Conditions
Psychosis, Cannabis Use, THC, Marijuana, Schizophrenia
Interventions
Placebo, Very Low Dose THC, Low Dose THC
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2026
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 9, 2025 · Synced Sep 7, 2026, 3:21 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Outcome Inference in the Sensory Preconditioning Task in Opioid-Use Disorder

NCT03745339
View directory record Official record
Conditions
Opioid-Related Disorders, Drug Addiction
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 60 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 7, 2026, 3:21 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

COVID-19 Pandemic Impact on Alcohol (PIA) - A Natural History Study

NCT04391816
View directory record Official record
Conditions
Alcohol Drinking, Alcohol-Related Disorders, Pandemic, Psychological Stress
Interventions
Not listed
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years to 100 Years
Enrollment
1,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 23, 2026 · Synced Sep 7, 2026, 3:21 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cognitive Task Development and Implementation for Functional MRI Studies

NCT01036685
View directory record Official record
Conditions
Drug Abuse, Nicotine Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
525 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2005
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Sep 7, 2026, 3:21 AM EDT
Recruiting Not applicable Interventional

Calls and Coordination for Transitions of Care at Re-entry

NCT06794983
View directory record Official record
Conditions
Prisoners, Substance Use History, Chronic Medical Conditions, Psychiatric Condition, Substance Use Disorder (SUD)
Interventions
In-person visit with study team member, In-person visit with NCM, Phone calls and texts, Phone calls and texts - NCM
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
488 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Sep 7, 2026, 3:21 AM EDT
Recruiting Phase 2 Interventional

The CONQUER Trial - Cessation Of Nicotine, QUitting With E-cigarette Reduction

NCT07322432
View directory record Official record
Conditions
Addiction Nicotine
Interventions
VapeAway filter system
Device
Lead sponsor
VapeAway
Industry
Eligibility
21 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Sep 7, 2026, 3:21 AM EDT
Completed Not applicable Interventional Results available

Effect of Theta Burst Stimulation on Alcohol Cue Reactivity

NCT04223154
View directory record Official record
Conditions
Alcohol Drinking, Alcohol Use Disorder, Trauma Injury, Alcohol Dependence, Alcohol Abuse
Interventions
Real iTBS to the dlPFC, Sham iTBS to the dlPFC
Device
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
21 Years to 65 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 18, 2023 · Synced Sep 7, 2026, 3:21 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Individual Variations of Taste and Smell Perception in Alcohol Use Disorder (AUD)

NCT05677321
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Not listed
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
475 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 7, 2026, 3:21 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Multimodal Neuroimaging Genetic Biomarkers of Nicotine AddictionSeverity

NCT01867411
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 60 Years
Enrollment
159 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2013
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 7, 2026, 3:21 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Study to Evaluate the Likeability, Safety, and Abuse Potential of NRP 104 in Adults With Histories of Stimulant Abuse

NCT00248092
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity, Amphetamine-Related Disorders, Substance-Related Disorders
Interventions
NRP104
Drug
Lead sponsor
New River Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 4, 2007 · Synced Sep 7, 2026, 3:21 AM EDT
Completed Not applicable Interventional Results available

Switching to Potential Reduced Exposure Products in Adult Smokers

NCT04250727
View directory record Official record
Conditions
Tobacco Use Disorder, Oral Nicotine Pouch Use, Smoking Behaviors, Harm Reduction, Toxic Effect of Tobacco and Nicotine, Carcinogenesis
Interventions
ZYN
Device
Lead sponsor
Yale University
Other
Eligibility
21 Years to 77 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 30, 2024 · Synced Sep 7, 2026, 3:21 AM EDT
Completed No phase listed Observational

Exploring Gut-Brain and Brain-Gut Interactions in Alcohol Use Disorder Via Microbiota Investigations: A Pilot Study

NCT03152760
View directory record Official record
Conditions
Alcoholism
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 70 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 7, 2026, 3:21 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

Impulsivity and Alcohol Response

NCT03736343
View directory record Official record
Conditions
Alcohol Use Disorder (AUD), Subjective Response to Alcohol (SR)
Interventions
Alcohol
Drug
Lead sponsor
University of Florida
Other
Eligibility
21 Years to 30 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 5, 2023 · Synced Sep 7, 2026, 3:21 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

NIAAA Natural History Protocol

NCT02231840
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Not listed
Lead sponsor
National Institute on Alcohol Abuse and Alcoholism (NIAAA)
NIH
Eligibility
18 Years to 100 Years
Enrollment
7,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2044
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 7, 2026, 3:21 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Natural History of Attempts to Stop Smoking

NCT00995644
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Not listed
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
238 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Oct 30, 2016 · Synced Sep 7, 2026, 3:21 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Imaging Biomarker for Addiction Treatment Outcome

NCT03427424
View directory record Official record
Conditions
Opioid-Related Disorders, Alcohol-Related Disorders
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
21 Years to 65 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 30, 2024 · Synced Sep 7, 2026, 3:21 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Safety, Tolerability and Abuse Liability Study of Intravenous NRP104 in Adults With Stimulant Abuse Histories

NCT00247572
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity, Amphetamine-Related Disorders, Substance-Related Disorders
Interventions
NRP104
Drug
Lead sponsor
New River Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 4, 2007 · Synced Sep 7, 2026, 3:21 AM EDT
Recruiting Not applicable Interventional

Utilizing Battlefield Acupuncture to Treat Chronic Pain

NCT06128772
View directory record Official record
Conditions
Chronic Pain, Substance Use Disorders
Interventions
Battlefield Acupuncture
Other
Lead sponsor
Edith Nourse Rogers Memorial Veterans Hospital
Federal
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Bedford, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 27, 2024 · Synced Sep 7, 2026, 3:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparative Effectiveness of Stress Management

NCT03203902
View directory record Official record
Conditions
Stress
Interventions
Psychoeducation and Therapeutic Touch
Other
Lead sponsor
Columbia University
Other
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 24, 2018 · Synced Sep 7, 2026, 3:21 AM EDT