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ClinicalTrials.gov public records Last synced Oct 2, 2026, 6:30 AM EDT

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Showing 49–72 of 111 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Psychoses, Substance-Induced Clear all
Completed Not applicable Interventional

Phase II Motivational Interviewing: An Experiential Online Training Tool

NCT02264327
View directory record Official record
Conditions
Substance Use Disorders, Chronic Mental Disorder, HIV/AIDS
Interventions
Motivational Interviewing Simulator (SIM), Motivational Interviewing eBook (eBook), Motivational Interviewing Training (MI Training)
Behavioral
Lead sponsor
Center for Social Innovation, Massachusetts
Other
Eligibility
21 Years to 70 Years
Enrollment
3,816 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Needham, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 16, 2017 · Synced Oct 2, 2026, 6:30 AM EDT
Completed Not applicable Interventional Results available

Circuitry-Guided Smoking Cessation in Schizophrenia

NCT03281629
View directory record Official record
Conditions
Smoking Cessation, Nicotine Addiction, Schizophrenia
Interventions
Active TMS stimulation, Sham TMS stimulation
Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 60 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 18, 2023 · Synced Oct 2, 2026, 6:30 AM EDT
Completed Phase 1Phase 2 Interventional

Adapted Cognitive/Affective Remediation for Cannabis Misuse in Schizophrenia

NCT01292577
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
CET/PT, Treatment as Usual
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 55 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 13, 2020 · Synced Oct 2, 2026, 6:30 AM EDT
Recruiting Not applicable Interventional

Building Social and Structural Connections for the Prevention of Opioid Use Disorder Among Youth Experiencing Homelessness

NCT06311838
View directory record Official record
Conditions
Opioid Use Disorder, Dual Diagnosis, Housing Problems, Mental Disorder in Adolescence, Risk Behavior, Homelessness
Interventions
Motivational Interviewing/Community Reinforcement Approach (MI/CRA), Strengths-Based Outreach and Advocacy (SBOA ), Services as Usual (SAU)
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
14 Years to 24 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
2
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 2, 2026, 6:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Community Reinforcement and Family Training for Early Psychosis (CRAFT-EP) and Substance Use: A Pilot Study

NCT05380583
View directory record Official record
Conditions
Psychosis, Substance Use, Substance Use Disorders, Family, Cannabis, Marijuana, Alcohol, Schizophrenia, Schizoaffective Disorder, Bipolar Disorder, Mental Disorder
Interventions
CRAFT-EP, TAU
Behavioral
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 2, 2026, 6:30 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Nicotine and Sensorimotor Replacement for Smoking in Smokers With Schizophrenia

NCT01213524
View directory record Official record
Conditions
Tobacco Use Disorder, Schizophrenia
Interventions
sensorimotor replacement, 42 mg transdermal nicotine replacement, Placebo transdermal nicotine, usual brand smoking
Behavioral · Drug · Other
Lead sponsor
Brown University
Other
Eligibility
18 Years to 99 Years
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2011
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Oct 19, 2020 · Synced Oct 2, 2026, 6:30 AM EDT
Completed Not applicable Interventional

Feasibility of Mobile and Technology Assisted Aftercare Services for Crisis Stabilization Units

NCT04899934
View directory record Official record
Conditions
Substance Abuse, Criminal Behavior, Mental Disorder
Interventions
mobile and technology assisted aftercare, Treatment as usual
Behavioral · Other
Lead sponsor
Florida State University
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Jun 5, 2023 · Synced Oct 2, 2026, 6:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cigarette Smoking in Smokers With and Without Schizophrenia

NCT04001114
View directory record Official record
Conditions
Tobacco Dependence, Schizophrenia
Interventions
Sampling Research Cigarettes
Combination Product
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 60 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 26, 2024 · Synced Oct 2, 2026, 6:30 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

15 Year Follow-up of New Beginnings Program for Divorced Families

NCT01407120
View directory record Official record
Conditions
Mental Disorder, Substance Use
Interventions
New Beginnings Program
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
9 Years to 12 Years
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 2, 2011 · Synced Oct 2, 2026, 6:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Influence of Nicotine on Cognitive Function in Schizophrenic Patients With and Without Comorbid Drug Dependence

NCT01037075
View directory record Official record
Conditions
Schizophrenia, Drug Abuse/Dependency
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 60 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2013
U.S. locations
2
States / cities
Baltimore, Maryland • Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Oct 2, 2026, 6:30 AM EDT
Completed Not applicable Interventional Results available

Start Treatment and Recovery for Opioid Use Disorder

NCT04505540
View directory record Official record
Conditions
Opioid-use Disorder, Mental Disorder, Opioid Medication Assisted Treatment
Interventions
Bridge Clinic
Other
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Dec 11, 2023 · Synced Oct 2, 2026, 6:30 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Brain Tissue Collection for Neuropathological Studies

NCT00001260
View directory record Official record
Conditions
Bipolar Disorder, Depression, Anxiety Disorders, Schizophrenia, Tourette's Syndrome, Brain Diseases
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
2,161 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1990 – 2017
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland • Fairfax, Virginia
Source: ClinicalTrials.gov public record
Updated Dec 9, 2019 · Synced Oct 2, 2026, 6:30 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

THC and Ketamine Effects in Humans: Relation to Neural Oscillations and Psychosis

NCT04199468
View directory record Official record
Conditions
Cannabis, Ketamine
Interventions
Active Delta-9-THC, Placebo Delta-9-THC, Active Ketamine, Placebo Ketamine
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 45 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 25, 2024 · Synced Oct 2, 2026, 6:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Assessment of Craving in Nicotine-Dependent Patients With Schizophrenia Using Virtual Reality

NCT01031433
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Oct 2, 2026, 6:30 AM EDT
Enrolling by invitation Not applicable Interventional

Incentives and Long-Acting Injectable Adherence After Involuntary Hospitalization

NCT07130500
View directory record Official record
Conditions
Schizophrenia Disorder, Schizoaffective Disorder, Bipolar Disorder (BD), Substance Use Disorder (SUD)
Interventions
Financial incentives for adherence to long-acting injectable medication, Standard of care with monthly surveys
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
5
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 27, 2026 · Synced Oct 2, 2026, 6:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

I-123 Brain Studies of Serotonin Metabolism in Psychiatric Patients and Normal Volunteers

NCT00001771
View directory record Official record
Conditions
Healthy, Mental Disorder, Obsessive Compulsive Disorder, Schizophrenia, Tourette Syndrome
Interventions
Not listed
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
Not listed
Enrollment
112 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 2, 2026, 6:30 AM EDT
Completed No phase listed Observational

Risk Perception in Drug-Dependent Adults With and Without Schizophrenia

NCT01031563
View directory record Official record
Conditions
Cocaine Dependence, Cannabis Dependence, Schizophrenia
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 64 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Catonsville, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 2, 2026, 6:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Individualizing Incentives for Alcohol in the Severely Mentally Ill

NCT03481049
View directory record Official record
Conditions
Schizophrenia, Bipolar Disorder, Major Depressive Disorder, Alcohol Dependence
Interventions
Usual CM, High-Magnitude CM, Shaping CM
Behavioral
Lead sponsor
Washington State University
Other
Eligibility
18 Years to 65 Years
Enrollment
392 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
2
States / cities
Seattle, Washington • Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Aug 11, 2025 · Synced Oct 2, 2026, 6:30 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Brain Imaging in Early Psychosis

NCT03932188
View directory record Official record
Conditions
Mental Health Issue (E.G., Depression, Psychosis, Personality Disorder, Substance Abuse)
Interventions
Mental Health Assessments and Computerized Cognitive Test, MRI scan
Behavioral · Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
13 Years to 25 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 25, 2020 · Synced Oct 2, 2026, 6:30 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

The Effects of ∆-9-THC and Naloxone in Humans

NCT01591629
View directory record Official record
Conditions
Healthy
Interventions
Naloxone, Delta-9-THC, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Oct 2, 2026, 6:30 AM EDT
Suspended Not applicable Interventional

Amplification of Positivity for Alcohol Use Disorder Co-Occurring With Anxiety or Depression

NCT04934553
View directory record Official record
Conditions
Alcoholism, Alcohol Drinking, Drinking Behavior, Alcohol-Related Disorders, Substance-Related Disorders, Mental Disorder, Anxiety, Depression
Interventions
Amplification of Positivity Training, Cognitive-behavioral Therapy
Behavioral
Lead sponsor
Charles Taylor
Other
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
2
States / cities
La Jolla, California • Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 20, 2022 · Synced Oct 2, 2026, 6:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Homeless Youth Study - Stepping Stone 2.0

NCT03776422
View directory record Official record
Conditions
Mental Health Issue (E.G., Depression, Psychosis, Personality Disorder, Substance Abuse)
Interventions
Mobile self-help intervention
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
16 Years to 25 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 27, 2019 · Synced Oct 2, 2026, 6:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Music to Reduce Use of Smoking in Patients With Schizophrenia

NCT03190161
View directory record Official record
Conditions
Schizophrenia, Nicotine Dependence, Smoking, Tobacco
Interventions
Music session
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
2 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 Aug 15, 2019 · Synced Oct 2, 2026, 6:30 AM EDT
Completed Phase 4 Interventional Results available

Novel Pharmacotherapy Approaches in Smokers With Serious Mental Illness

NCT04011280
View directory record Official record
Conditions
Bipolar Disorder, Schizophrenia, Schizoaffective Disorder, Nicotine Dependence
Interventions
Varenicline
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 70 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 22, 2023 · Synced Oct 2, 2026, 6:30 AM EDT