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Showing 1–24 of 63 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Abuse Potential Clear all
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of The Abuse Liability Potential of RO4917838 in Recreational Drug Users

NCT01438749
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Placebo, RO4917838, diazepam
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 55 Years
Enrollment
177 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 1, 2016 · Synced Sep 6, 2026, 4:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Abuse Potential of Intravenous Remimazolam Compared to Midazolam and Placebo in Recreational CNS Depressant Users

NCT04110535
View directory record Official record
Conditions
Abuse, Drug
Interventions
Remimazolam, Midazolam, Saline
Drug · Other
Lead sponsor
Paion UK Ltd.
Industry
Eligibility
18 Years to 55 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Sep 30, 2019 · Synced Sep 6, 2026, 4:16 PM EDT
Terminated Phase 2 Interventional

Abuse Potential of Buprenorphine/Naloxone

NCT00149539
View directory record Official record
Conditions
Opioid-Related Disorders
Interventions
Buprenorphine/naloxone
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2006
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 6, 2026, 4:16 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Screening Protocol for the Evaluation of Research Participants

NCT01036217
View directory record Official record
Conditions
Substance Abuse, Disorders
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years and older
Enrollment
55,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 6, 2026, 4:16 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Enhancing Medication-based Analgesia in Humans- STUDY 2

NCT04036968
View directory record Official record
Conditions
Pain, Cannabis, Opioid Use
Interventions
Within-subject test of blinded study medications
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 75 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 18, 2023 · Synced Sep 6, 2026, 4:16 PM EDT
Completed Phase 2 Interventional Results available

A Study to Evaluate the Abuse Potential of Oxymorphone Compared to Other Mu Opioid Agonists.

NCT03389750
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
Intravenous Challenge Drug
Drug
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
21 Years to 55 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
2
States / cities
Lexington, Kentucky • New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Sep 6, 2026, 4:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety Assessment of Potential Interactions Between IV Methamphetamine and Osmotic-Release Methylphenidate (OROS-MPH)

NCT00603434
View directory record Official record
Conditions
Methamphetamine Dependence, Methamphetamine Abuse
Interventions
OROS-MPH
Drug
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 11, 2017 · Synced Sep 6, 2026, 4:16 PM EDT
Completed Phase 1 Interventional

Clinical Trial to Evaluate the Safety of PT150 (Formerly ORG34517) When it is Taken Concurrently With Alcohol

NCT03548714
View directory record Official record
Conditions
Alcohol Dependence, Alcohol Interaction
Interventions
PT150, Beverage
Drug · Other
Lead sponsor
Pop Test Oncology LLC
Industry
Eligibility
21 Years to 64 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 21, 2019 · Synced Sep 6, 2026, 4:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

A Study of the Abuse Potential of Lasmiditan in Participants Who Are Recreational Drug Users

NCT03286218
View directory record Official record
Conditions
Recreational Drug Use, Prescription Drug Abuse (Not Dependent)
Interventions
Lasmiditan, Alprazolam, Placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years to 55 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jan 9, 2020 · Synced Sep 6, 2026, 4:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Abuse Potential of Hydrocodone Extended-Release Tablet in Recreational Opioid Users

NCT01596673
View directory record Official record
Conditions
Drug Abuse
Interventions
45-mg hydrocodone bitartrate extended-release tablet (crushed or intact), Placebo
Drug
Lead sponsor
Cephalon
Industry
Eligibility
18 Years to 50 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Nov 20, 2012 · Synced Sep 6, 2026, 4:16 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Cannabis Observations on Brain Waves, Retrieval, and Attention: Experiment 1

NCT05868213
View directory record Official record
Conditions
Cannabis, Memory, Electroencephalography
Interventions
Cannabis (smoked flower)
Drug
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
21 Years to 40 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 19, 2024 · Synced Sep 6, 2026, 4:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate Abuse Potential of Istradefylline

NCT02609477
View directory record Official record
Conditions
Drug Abuse
Interventions
Istradefylline, Phentermine 45 mg, Placebo
Drug · Other
Lead sponsor
Kyowa Kirin Co., Ltd.
Industry
Eligibility
18 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 24, 2024 · Synced Sep 6, 2026, 4:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Abuse Liability, Pharmacokinetics, Safety and Tolerability of an Abuse-Deterrent d-Amphetamine Sulfate Immediate Release Formulation (ADAIR)

NCT04647903
View directory record Official record
Conditions
ADHD, Narcolepsy
Interventions
ADAIR 10 mg IR tablets, d-amphetamine sulfate, Placebo
Drug
Lead sponsor
Vallon Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Dec 28, 2021 · Synced Sep 6, 2026, 4:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Abuse Potential Study of PF-00345439

NCT01986283
View directory record Official record
Conditions
Opioid Users
Interventions
Capsule, PF-00345439, oxycodone
Drug
Lead sponsor
Pain Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 3, 2016 · Synced Sep 6, 2026, 4:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Intranasal Abuse Potential of PF614 in Non-Dependent Recreational Opioid Users (PF614-103)

NCT05567354
View directory record Official record
Conditions
Recreational Drug Use
Interventions
PF614, Oxycodone, Placebo
Drug · Other
Lead sponsor
Ensysce Biosciences
Industry
Eligibility
18 Years to 55 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 23, 2024 · Synced Sep 6, 2026, 4:16 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Abuse Potential of Oral Gabapentin in Healthy, Non-Drug-Dependent Individuals With Recreational Sedative Drug Use Experience

NCT07777965
View directory record Official record
Conditions
Healthy Non-dependent, Recreational Sedative Users
Interventions
Alprazolam (Xanax), Placebo, Gabapentin (Neurontin® (Registered Trademark))
Drug
Lead sponsor
Viatris Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 6, 2026, 4:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study for Naltrexone on the Abuse Potential of Methylphenidate

NCT03769064
View directory record Official record
Conditions
Naltrexone, Methylphenidate Abuse
Interventions
Placebo, Methylphenidate 60 mg, Treatment Phase Sequence 4213, Treatment Phase Sequence 2134, Treatment Phase Sequence 1342, Treatment Phase Sequence 3421
Drug
Lead sponsor
Avekshan LLC
Industry
Eligibility
18 Years to 45 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Dec 6, 2018 · Synced Sep 6, 2026, 4:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Crossover Study to Evaluate the Abuse Potential of Intranasal Esketamine Compared to Racemic Intravenous Ketamine in Nondependent, Recreational Drug Users

NCT02682225
View directory record Official record
Conditions
Drug Abuse
Interventions
Intravenous placebo, Intranasal placebo, Intravenous racemic ketamine, Esketamine 112 mg, Esketamine 84 mg
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Apr 26, 2025 · Synced Sep 6, 2026, 4:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of the Effects of Cannabidiol (CBD) Compared to Delta-9-Tetrahydrocannabinol (THC) and Alprazolam

NCT03398083
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
THC, Alprazolam, Placebo oral capsule, CBD
Drug
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 55 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 13, 2018 · Synced Sep 6, 2026, 4:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess the Abuse Potential of Intranasal Cebranopadol

NCT06453265
View directory record Official record
Conditions
Abuse, Drug
Interventions
Cebranopadol- 600 ug, Cebranopadol- 800ug, Cebranopadol- 1000ug, Treatment A:, Treatment B, Treatment C, Qualification
Drug
Lead sponsor
Tris Pharma, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Sep 6, 2026, 4:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Part 1: Dose-Finding of HSK3486 Injection In Nondependent, Recreational Central Nervous System Depressant Users

NCT07404306
View directory record Official record
Conditions
General Anesthesia
Interventions
HSK3486, propofol, Placebo
Drug
Lead sponsor
Haisco-USA Pharmaceuticals, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
43 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 22, 2026 · Synced Sep 6, 2026, 4:16 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Carisbamate as a Potential Treatment for Alcohol Dependence

NCT02435381
View directory record Official record
Conditions
Alcohol Dependence, Alcohol Abuse, Substance Abuse
Interventions
Carisbamate, Placebo
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 55 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 1, 2021 · Synced Sep 6, 2026, 4:16 PM EDT
Active, not recruiting Phase 4 Interventional

Effect of Opioid Infusion Rate on Abuse Liability Potential of Intravenous Hydromorphone for Cancer Pain

NCT04296305
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Hydromorphone, Placebo Administration, Questionnaire Administration
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 15, 2026 · Synced Sep 6, 2026, 4:16 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Abuse Potential of ACT-541468 in Healthy Recreational Drug Users

NCT03657355
View directory record Official record
Conditions
Healthy Recreational Drug Users
Interventions
ACT-541468, Suvorexant, Zolpidem, Placebo
Drug
Lead sponsor
Idorsia Pharmaceuticals Ltd.
Industry
Eligibility
18 Years to 55 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2019 · Synced Sep 6, 2026, 4:16 PM EDT