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ClinicalTrials.gov public records Last synced May 22, 2026, 5:44 AM EDT

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Showing 1–6 of 6 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Polysubstance Abuse Clear all
Completed Not applicable Interventional Accepts healthy volunteers
View directory record Official record
Conditions
Alcohol Use Disorder, Cannabis Use
Interventions
commercially available cannabis administered prior to commercially available alcohol, commercially available alcohol administered prior to commercially available cannabis
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
21 Years to 65 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Fort Collins, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 17, 2025 · Synced May 22, 2026, 5:44 AM EDT
Recruiting Phase 2 Interventional
View directory record Official record
Conditions
Opioid Abuse, Benzodiazepine Abuse, Polysubstance Abuse
Interventions
Morphine, Alprazolam, Placebo
Drug
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 65 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 29, 2025 · Synced May 22, 2026, 5:44 AM EDT
Recruiting Phase 3 Interventional
View directory record Official record
Conditions
Polysubstance Abuse, Opioid Use, Tobacco Use
Interventions
MORE and MI and NRT, MORE and No MI and NRT, Support Group and MI and NRT, Support Group and No MI and NRT
Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
2
States / cities
New Brunswick, New Jersey • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced May 22, 2026, 5:44 AM EDT
Recruiting No phase listed Observational
View directory record Official record
Conditions
Polysubstance Abuse
Interventions
Multi-domain assessment battery
Other
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 70 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 29, 2025 · Synced May 22, 2026, 5:44 AM EDT
Completed Phase 2 Interventional
View directory record Official record
Conditions
Dual Diagnosis, Cocaine Abuse, Cocaine Dependence, Polysubstance Abuse
Interventions
ATM, Individual Drug Counseling
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
108 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
2
States / cities
Bridgeport, Connecticut • Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 29, 2020 · Synced May 22, 2026, 5:44 AM EDT
Active, not recruiting Not applicable Interventional
View directory record Official record
Conditions
Polysubstance Abuse, Posttraumatic Stress Disorder
Interventions
Skills Training in Affective and Interpersonal Regulation with Narrative Therapy (STAIR-NT), Treatment as Usual
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
76 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
3
States / cities
Tallahassee, Florida • Brooklyn, New York • New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced May 22, 2026, 5:44 AM EDT