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Showing 1–24 of 57 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Patients With Substance Abuse Clear all
Completed No phase listed Observational

Gastric Ultrasound Assessment for Patients Taking Cannabis

NCT06567873
View directory record Official record
Conditions
Gastric Ultrasound, Point of Care Ultrasound, Cannabis Use
Interventions
Gastric Ultrasound Exam
Other
Lead sponsor
Hospital for Special Surgery, New York
Other
Eligibility
18 Years to 99 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Jul 22, 2026, 12:05 AM EDT
Completed Phase 4 Interventional

Pregnenolone Trial for Depression in Bipolar Disorders or Recurrent Major Depressive Disorder With Substance Abuse

NCT00223197
View directory record Official record
Conditions
Bipolar Disorder, Major Depressive Disorder, Substance Abuse
Interventions
Pregnenolone
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 2, 2012 · Synced Jul 22, 2026, 12:05 AM EDT
Completed Phase 1 Interventional

Use of a Generative AI (Gen-AI) Chatbot for Anxiety and Depression Among Persons With Cannabis Use

NCT06920238
View directory record Official record
Conditions
Cannabis Use Disorder, Anxiety, Depression, Anxiety, Depression - Major Depressive Disorder
Interventions
Therabot-CALM
Device
Lead sponsor
Trustees of Dartmouth College
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jul 5, 2026 · Synced Jul 22, 2026, 12:05 AM EDT
Completed No phase listed Observational

Healthcare Provider Attitudes Towards Patients With Substance Use Before and After Implementation of the SBIRT Model in the Emergency Room

NCT01661478
View directory record Official record
Conditions
Patients With Substance Abuse, Healthcare Provider Attitudes
Interventions
Training on motivational interviewing
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
2
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 17, 2017 · Synced Jul 22, 2026, 12:05 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Psychodynamic Therapy For Co-occurring Borderline Personality Disorder and Alcohol Use Disorder

NCT00145678
View directory record Official record
Conditions
Borderline Personality Disorder, Alcohol Use Disorder
Interventions
Psychodynamic Therapy, Optimized Community Care
Behavioral
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 45 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2010
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Jan 5, 2015 · Synced Jul 22, 2026, 12:05 AM EDT
Completed Phase 1 Interventional

Photobiomodulation to Alter Cerebral Blood Flow and to Affect the Emotional Status of Patients With Major Depression

NCT00961454
View directory record Official record
Conditions
Major Depression, Anxiety Disorder, Post-Traumatic Stress Disorder, Substance Abuse Disorder
Interventions
Photobiomodulation with a super-luminous light emitting diode
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 18, 2009 · Synced Jul 22, 2026, 12:05 AM EDT
Not yet recruiting Not applicable Interventional

A Study of the Effect of a Nurse Navigator Program on High Risk Patients

NCT05592847
View directory record Official record
Conditions
Patient Readmission, Arthroplasty, Replacement, Knee, Arthroplasty, Replacement, Hip, Heart Failure, Pulmonary Disease, Chronic Obstructive, Renal Insufficiency, Body Mass Index, Alcoholism
Interventions
Nurse Navigator Program
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 18, 2026 · Synced Jul 22, 2026, 12:05 AM EDT
Completed Phase 1 Interventional

Substance Use Prevention in Teen Psychiatric Patients

NCT01170013
View directory record Official record
Conditions
Adolescent Substance Use
Interventions
Family Check-up, Parent psychoeducation
Behavioral
Lead sponsor
Brown University
Other
Eligibility
12 Years to 16 Years
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 30, 2012 · Synced Jul 22, 2026, 12:05 AM EDT
Withdrawn Phase 2 Interventional

Evaluation of a Compliance Marker in Prescription Opioid Abusers With Chronic Pain

NCT02276989
View directory record Official record
Conditions
Compliance, Chronic Pain
Interventions
acetazolamide, Quinine, Riboflavin
Drug
Lead sponsor
Georgetown University
Other
Eligibility
18 Years to 50 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 9, 2017 · Synced Jul 22, 2026, 12:05 AM EDT
Recruiting Not applicable Interventional

Suicidal Behavior in Patients Diagnosed With Bipolar Disorder

NCT02604277
View directory record Official record
Conditions
Depression, Alcoholism, Drug Abuse
Interventions
Interpersonal and Social Rhythm Therapy (ISRT), Bipolar-Specific Cognitive Behavioral Therapy (CBT), Mindfulness-Based Stress Reduction (MBSR), Psycho-education & Understanding Bipolar Medications Therapy
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 64 Years
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Jul 22, 2026, 12:05 AM EDT
Not listed Phase 4 Interventional

Safety and Efficacy of the Novel Selective Nicotinic Receptor Partial Agonist, CHANTIX (Varenicline) in Patients With Acute Coronary Syndrome

NCT01170338
View directory record Official record
Conditions
Smoking, Acute Coronary Syndrome
Interventions
Varenicline 100 mg by mouth twice daily, control
Drug
Lead sponsor
Newark Beth Israel Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2008
U.S. locations
1
States / cities
Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 26, 2010 · Synced Jul 22, 2026, 12:05 AM EDT
Not yet recruiting Phase 2 Interventional

A Study of the Safety and Exploratory Efficacy of Oral AFA-281 in Patients with Alcohol Use Disorder

NCT06710431
View directory record Official record
Conditions
Alcohol Abuse, Alcohol Abuse/addiction, Anxiety, Pain Threshold, Depression Disorders, Sleep Disorder
Interventions
AFA-281
Drug
Lead sponsor
Afasci Inc
Industry
Eligibility
21 Years to 65 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 28, 2024 · Synced Jul 22, 2026, 12:05 AM EDT
Suspended No phase listed Observational Accepts healthy volunteers

Patients' Attitudes Toward and Experiences With Buprenorphine Treatment

NCT05121428
View directory record Official record
Conditions
Opioid-use Disorder, Acceptability of Health Care, Opioid-Related Disorders
Interventions
Not listed
Lead sponsor
Cambridge Health Alliance
Other
Eligibility
18 Years and older
Enrollment
817 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 10, 2025 · Synced Jul 22, 2026, 12:05 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Effects of Water Temperature on the Cold Pressor Test

NCT03083626
View directory record Official record
Conditions
Chronic Pain
Interventions
Cold pressor test
Other
Lead sponsor
Georgetown University
Other
Eligibility
21 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 19, 2017 · Synced Jul 22, 2026, 12:05 AM EDT
Completed Phase 4 Interventional Results available

Adjunctive Topiramate for Treatment of Alcohol Dependence in Patients With Bipolar Disorder

NCT00572117
View directory record Official record
Conditions
Bipolar Disorder, Alcoholism, Alcohol Dependence
Interventions
Topiramate
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2014
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jan 8, 2017 · Synced Jul 22, 2026, 12:05 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 15, 2019 · Synced Jul 22, 2026, 12:05 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Reducing Heavy Drinking to Optimize HIV/AIDS Treatment and Prevention

NCT01227044
View directory record Official record
Conditions
Reduction in Heavy Drinking in Patients With HIV
Interventions
Naltrexone, Placebo + Medication Management/Medication Coaching
Drug · Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 20, 2019 · Synced Jul 22, 2026, 12:05 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessing Opioid Care Practices Using CPV Patient Simulation Modules

NCT04080037
View directory record Official record
Conditions
Pain, Pain, Acute, Pain, Chronic, Pain, Neuropathic, Opioid-use Disorder, Opioid Abuse and Addiction, Opioid Withdrawal
Interventions
Quality IQ Patient Simulations
Other
Lead sponsor
Qure Healthcare, LLC
Industry
Eligibility
Not listed
Enrollment
220 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 9, 2020 · Synced Jul 22, 2026, 12:05 AM EDT
Recruiting No phase listed Observational

Cannabis Use and Outcomes in Black and White Patients With Cancer

NCT06037681
View directory record Official record
Conditions
Cancer
Interventions
Not listed
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
21 Years to 99 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
3
States / cities
Buffalo, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 29, 2025 · Synced Jul 22, 2026, 12:05 AM EDT
Completed Phase 2 Interventional

Antioxidant Replacement Therapy in Patients With Alcohol Abuse

NCT00936000
View directory record Official record
Conditions
Alcohol Abuse
Interventions
Protandim
Dietary Supplement
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 55 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 6, 2013 · Synced Jul 22, 2026, 12:05 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Exablate for LIFU Neuromodulation in Patients With Opioid Use Disorder (OUD) and/or Other Substance Use Disorders (SUDs)

NCT04197921
View directory record Official record
Conditions
Opioid-use Disorder, Substance Use Disorders
Interventions
Exablate Model 4000 Type 2.0/2.1
Device
Lead sponsor
InSightec
Industry
Eligibility
18 Years to 60 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2027
U.S. locations
4
States / cities
Tampa, Florida • Baltimore, Maryland • New York, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Jul 22, 2026, 12:05 AM EDT
Completed Phase 4 Interventional

Quetiapine in Patients With Bipolar and Alcohol Abuse/Dependence

NCT00223249
View directory record Official record
Conditions
Bipolar Disorder, Alcohol Abuse/Dependence
Interventions
Quetiapine
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 70 Years
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Apr 3, 2016 · Synced Jul 22, 2026, 12:05 AM EDT
Completed Phase 4 Interventional Results available

Risperidone Long-acting Versus Oral Risperidone in Patients With Schizophrenia and Alcohol Use Disorder

NCT00130923
View directory record Official record
Conditions
Schizophrenia, Psychotic Disorders, Substance Abuse, Alcohol Abuse
Interventions
Risperidone Long Acting, oral risperidone
Drug
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
8
States / cities
Miami, Florida • Kansas City, Missouri • St Louis, Missouri + 5 more
Source: ClinicalTrials.gov public record
Updated May 8, 2019 · Synced Jul 22, 2026, 12:05 AM EDT
Completed No phase listed Observational

A Prospective Investigation of the Risks of Opioid Misuse, Abuse, and Addiction Among Patients Treated With Opioids for the Treatment of Chronic Pain

NCT02751762
View directory record Official record
Conditions
Opioid-Related Disorders, Opiate Addiction, Narcotic Abuse, Drug Abuse
Interventions
Observation Only
Other
Lead sponsor
Member Companies of the Opioid PMR Consortium
Industry
Eligibility
18 Years to 79 Years
Enrollment
3,600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
2
States / cities
Portland, Oregon • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Jul 22, 2026, 12:05 AM EDT