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Showing 1–24 of 79 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Abuse Liability Clear all
Completed No phase listed Observational Accepts healthy volunteers

Baby Albert: Electronic Cigarette Pharmacokinetics (PK) and Abuse Liability

NCT03637452
View directory record Official record
Conditions
Tobacco Use
Interventions
Not listed
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 99 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Dec 16, 2020 · Synced Jul 23, 2026, 2:55 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Abuse Liability of Reduced Nicotine Content Cigarettes in the Context of Concurrent E-Cigarette Use

NCT02870218
View directory record Official record
Conditions
Nicotine Addiction, Cigarette Smoking
Interventions
Smoking research cigarettes with e-cigarette, Nicotine discrimination thresholds
Drug
Lead sponsor
Rose Research Center, LLC
Industry
Eligibility
21 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
2
States / cities
Charlotte, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 13, 2022 · Synced Jul 23, 2026, 2:55 AM EDT
Terminated Early Phase 1 Interventional

Reducing the Abuse of Opioids in Drug Users

NCT03837860
View directory record Official record
Conditions
Opioid Abuse, Unspecified, Opioid Dependence
Interventions
Oxycodone/Placebo, Oxycodone/Risperidone, Oxycodone/Ziprasidone
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
21 Years to 65 Years
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Feb 14, 2022 · Synced Jul 23, 2026, 2:55 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Abuse Liability and Appeal of Oral Nicotine Products

NCT06506162
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Flavor, Nicotine concentration
Other
Lead sponsor
University of Southern California
Other
Eligibility
21 Years to 25 Years
Enrollment
320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Jul 23, 2026, 2:55 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of Abuse Liability of Very Low Nicotine (VLN) Mentholated Cigarettes

NCT03559725
View directory record Official record
Conditions
Tobacco Use
Interventions
VLN menthol cigarettes (A), Usual Brand Menthol Cigarettes (B), Nicotine gum (C)
Other · Drug
Lead sponsor
22nd Century Group, Inc.
Industry
Eligibility
22 Years to 65 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 24, 2020 · Synced Jul 23, 2026, 2:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD201301: Study to Assess Elements of Abuse Liability for Four P13 Nicotine Pouches

NCT05294497
View directory record Official record
Conditions
Smoking, Tobacco Use, Tobacco Smoking
Interventions
Product A, Product B, Product C, Product D, Product N, Product E
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
2
States / cities
Lexington, Kentucky • Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 28, 2022 · Synced Jul 23, 2026, 2:55 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Reducing the Abuse Liability of Prescription Opioids

NCT04587115
View directory record Official record
Conditions
Addiction
Interventions
Risperidone, Ziprasidone, Oxycodone
Drug
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
21 Years to 65 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Oct 13, 2020 · Synced Jul 23, 2026, 2:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD190301: A Study to Assess Elements of Abuse Liability for Two Dissolvable Nicotine Lozenge Tobacco Products

NCT04167384
View directory record Official record
Conditions
Smoking, Tobacco Use, Tobacco Smoking
Interventions
Product A, Product B, Product C, Product D, Product E, Product F, Product G, Product H
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
High Point, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 11, 2020 · Synced Jul 23, 2026, 2:55 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Abuse Potential of EB-1020 Immediate-Release in Healthy Recreational Stimulant Users

NCT02144415
View directory record Official record
Conditions
Healthy Volunteers, Drug Users
Interventions
EB-1020 400 mg, EB-1020 800 mg, lisdexamfetamine 150 mg, d-amphetamine 40 mg, Placebo
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
18 Years to 55 Years · Male only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Jul 23, 2026, 2:55 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study of the Abuse Liability of Oxycodone HCl/Niacin in Subjects With a History of Opioid Abuse

NCT00699010
View directory record Official record
Conditions
Opioid Abuse
Interventions
Acurox 5/30mg taken first, Oxycodone 5mg taken first
Drug
Lead sponsor
Acura Pharmaceuticals Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 2, 2018 · Synced Jul 23, 2026, 2:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Potential Effects of Electronic Nicotine Delivery System Flavor Regulations on African American Menthol Smokers

NCT05023096
View directory record Official record
Conditions
Electronic Nicotine Delivery System Flavors
Interventions
Tobacco product administration and assessment
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
21 Years and older
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Jul 23, 2026, 2:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Comparative Abuse Liability Among African American and White Smokers

NCT04646668
View directory record Official record
Conditions
Tobacco Use Disorder
Interventions
E-cigarette and Heat not burn
Combination Product
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
21 Years and older
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced Jul 23, 2026, 2:55 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 Jul 23, 2026, 2:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD201201: Study to Assess Elements of Abuse Liability for Electronic Nicotine Delivery System P12

NCT05210699
View directory record Official record
Conditions
Smoking, Smoking Behaviors, Tobacco Use, Tobacco Smoking
Interventions
Product A, Product B, Product C, Product D, Product E, Product N
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
2
States / cities
Springfield, Missouri • Knoxville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 28, 2022 · Synced Jul 23, 2026, 2:55 AM EDT
Completed Not applicable Interventional

Effects of Cigar Flavors on Measures of Abuse Liability Among Young Adults

NCT02937051
View directory record Official record
Conditions
Tobacco Products
Interventions
Tobacco product administration and assessment
Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years to 21 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 22, 2019 · Synced Jul 23, 2026, 2:55 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Human Psychopharmacology of Salvinorin A

NCT00996411
View directory record Official record
Conditions
Healthy
Interventions
Salvinorin A
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
21 Years to 65 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2008
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 23, 2014 · Synced Jul 23, 2026, 2:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Abuse Liability of a Novel Heated Tobacco Product (IQOS) and Its Feasibility as a Menthol Cigarette Substitute

NCT05499377
View directory record Official record
Conditions
Tobacco Use
Interventions
Tobacco product administration and assessment
Device
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
21 Years and older
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 30, 2025 · Synced Jul 23, 2026, 2:55 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of the Abuse Liability Potential of Cenobamate in Recreational Drug Users

NCT03509285
View directory record Official record
Conditions
Healthy Volunteer
Interventions
Alprazolam Placebo, Cenobamate placebo, Alprazolam, Cenobamate
Drug
Lead sponsor
SK Life Science, Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 6, 2024 · Synced Jul 23, 2026, 2:55 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

CSD170401: Study to Assess Elements of Abuse Liability for Three Electronic Tobacco Vapor Products During an 11-Day In-Clinic Confinement

NCT03126357
View directory record Official record
Conditions
Smoking
Interventions
Product A, Product B, Product C, Product D, Product E
Other
Lead sponsor
RAI Services Company
Industry
Eligibility
21 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Jun 26, 2017 · Synced Jul 23, 2026, 2:55 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Impact of Novel vs. Usual Brand Menthol Cigarettes on Abuse Liability

NCT07564648
View directory record Official record
Conditions
Cigarette Addiction, Tobacco Use Disorder
Interventions
Biospecimen Collection, Questionnaire Administration, Cigarette Purchase Task, Cross-Price Elasticity Task, Daily Diary Surveys, Progressive Ratio Task
Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Jul 23, 2026, 2:55 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Evaluation of the Abuse Liability of Very Low Nicotine (VLN) Cigarettes

NCT03559751
View directory record Official record
Conditions
Tobacco Use
Interventions
VLN cigarettes (A), Usual Brand Cigarettes (B), Nicotine gum (C)
Other · Drug
Lead sponsor
22nd Century Group, Inc.
Industry
Eligibility
22 Years to 65 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 25, 2020 · Synced Jul 23, 2026, 2:55 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Evaluating the Abuse Potential of NEURONTIN® When Taken Orally in Healthy Non-drug Dependent Participants With Sedative Drug Abuse Experience

NCT04570436
View directory record Official record
Conditions
Abuse Potential
Interventions
gabapentin 600 mg, gabapentin 1200 mg, gabapentin 1800 mg, diazepam 20 mg, placebo
Drug · Other
Lead sponsor
Viatris Specialty LLC
Industry
Eligibility
18 Years to 65 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 23, 2024 · Synced Jul 23, 2026, 2:55 AM EDT
Terminated Phase 1 Interventional

Acute Pain Management in Patients on Opioid Replacement Therapy

NCT03933865
View directory record Official record
Conditions
Opioid-use Disorder, Pain, Acute
Interventions
HYDROmorphone Injectable Solution, Ketamine, Placebos
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 60 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 9, 2022 · Synced Jul 23, 2026, 2:55 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

PK/PD of Oral and Vaporized Delta-9-Tetrahydrocannabinol (THC) in Older Adults

NCT05906511
View directory record Official record
Conditions
Pain, Tolerance, Oral vs Vaporized THC, Abuse Liability
Interventions
Dronabinol 5 MG, Dronabinol 10 MG, 2mg Purified THC in an ethanolic solution, 4mg Purified THC in an ethanolic solution, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
65 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Jul 23, 2026, 2:55 AM EDT