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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional

Project FIRST - Financial Incentives to Reduce Substance Use and Improve Treatment

NCT01376570
View directory record Official record
Conditions
HIV, Opiate Dependence
Interventions
Abstinence-reinforcing contingency management intervention, Performance Feedback intervention
Behavioral
Lead sponsor
Albert Einstein College of Medicine
Other
Eligibility
18 Years and older
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
3
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Dec 2, 2020 · Synced Sep 9, 2026, 6:08 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Treatment of Smoking Lapses and Relapses

NCT01807871
View directory record Official record
Conditions
Smoking Cessation
Interventions
nicotine patch, experimental use, nicotine patch, labeled use
Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
701 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Oct 12, 2017 · Synced Sep 9, 2026, 6:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Study of Immune Cell Changes in the Genital Tract 2 Months After Initiation of an IUD for Contraception

NCT01240811
View directory record Official record
Conditions
Genital Tract Mucosal Immunity, Genital Tract Microflora
Interventions
IUD placement, Levonorgestrel IUD, Copper T380A IUD
Drug
Lead sponsor
Sharon Achilles
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 25, 2017 · Synced Sep 9, 2026, 6:08 PM EDT
Terminated Phase 2 Interventional Results available

Modafinil for Methamphetamine Dependence

NCT00859573
View directory record Official record
Conditions
Methamphetamine Dependence
Interventions
Modafinil, Placebo
Drug
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 65 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Nov 20, 2017 · Synced Sep 9, 2026, 6:08 PM EDT
Completed Phase 2 Interventional Results available

Effects of Varenicline on Smoking Reminders

NCT01524627
View directory record Official record
Conditions
Nicotine Dependence
Interventions
Varenicline, Placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 60 Years
Enrollment
124 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 16, 2017 · Synced Sep 9, 2026, 6:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Diabetes Smoking Cessation Incentives Study

NCT04682067
View directory record Official record
Conditions
Smoking Cessation, Diabetes Type 2
Interventions
Contingency Management, Usual Care smoking cessation
Behavioral
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 75 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated May 25, 2022 · Synced Sep 9, 2026, 6:08 PM EDT
Completed Not applicable Interventional Results available

Impact of Varenicline on Blood-Oxygen-Level Dependent (BOLD) Functional Magnetic Resonance Imaging (fMRI) Activation on Smokers

NCT00934024
View directory record Official record
Conditions
Nicotine Dependence
Interventions
varenicline
Drug
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years to 60 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 9, 2018 · Synced Sep 9, 2026, 6:08 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Extended Treatment for Smoking Cessation

NCT01330043
View directory record Official record
Conditions
Smoking Cessation
Interventions
Bupropion, Nicotine patch, Varenicline
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Enrollment
223 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2017 · Synced Sep 9, 2026, 6:08 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Glutamate-Glutamine Cycling (VCYC) During Cocaine Abstinence Using 1H-MRS

NCT02124941
View directory record Official record
Conditions
Cocaine Dependence, Healthy
Interventions
N-acetyl cysteine, [18F]FDG PET scan, 1H MRS, [11C]APP311 PET scan
Drug · Diagnostic Test
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 6, 2023 · Synced Sep 9, 2026, 6:08 PM EDT
Completed Not applicable Interventional

Smoking Cessation Intervention for Smokers With Depression Receiving Outpatient Psychiatric Treatment

NCT02742610
View directory record Official record
Conditions
Smoking Cessation
Interventions
Mindfulness with Contingency Management, Active Control
Behavioral
Lead sponsor
Fordham University
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jan 14, 2019 · Synced Sep 9, 2026, 6:08 PM EDT
Completed Phase 4 Interventional Results available

Abstinence Reinforcement Therapy (ART) for Homeless Veteran Smokers

NCT02245308
View directory record Official record
Conditions
Tobacco Use Disorder, Homelessness
Interventions
Nicotine Patches, mobile contingency management (mCM), Smoking cessation counseling, Nicotine rescue method, Bupropion
Drug · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 70 Years
Enrollment
133 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 3, 2022 · Synced Sep 9, 2026, 6:08 PM EDT
Recruiting Not applicable Interventional

Mobile Platform for Optimizing Wellness and Engagement in Recovery

NCT07178990
View directory record Official record
Conditions
Opioid Agonist Treatment, Alcohol Use Disorder, Opioid Use Disorder
Interventions
Digital Contingency Management Intervention Arm, Digital Wellness Arm
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
19 Years to 63 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 9, 2026, 6:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Contingency Management for Smoking Cessation

NCT04982952
View directory record Official record
Conditions
Smoking Cessation, Smoking, Tobacco, Smoking Reduction
Interventions
Contingency Management - Increasing, Fixed payments
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Dec 4, 2024 · Synced Sep 9, 2026, 6:08 PM EDT
Completed Not applicable Interventional Results available

Impact of Reduced Cannabis Use on Functional Outcomes (R33 Phase)

NCT04567238
View directory record Official record
Conditions
Cannabis, Cannabis Use
Interventions
Mobile contingency management
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 23, 2024 · Synced Sep 9, 2026, 6:08 PM EDT
Terminated Not applicable Interventional

Effect of Switching From Cigarette Smoking to THS on Disease Progression in Mild to Moderate COPD Subjects With Chronic Bronchitis Symptoms.

NCT05569005
View directory record Official record
Conditions
COPD, Smoking, Tobacco Use
Interventions
THS use, Cigarette, Smoking Abstinence
Other
Lead sponsor
Philip Morris Products S.A.
Industry
Eligibility
35 Years to 65 Years
Enrollment
715 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
81
States / cities
Brandon, Florida • Cape Coral, Florida • Clearwater, Florida + 41 more
Source: ClinicalTrials.gov public record
Updated Sep 25, 2024 · Synced Sep 9, 2026, 6:08 PM EDT
Completed Not applicable Interventional Results available

Small Financial Incentives to Promote Smoking Cessation

NCT02737566
View directory record Official record
Conditions
Smoking Cessation
Interventions
Standard Care + Financial Incentives, Standard Care
Behavioral · Other
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
320 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Sep 9, 2026, 6:08 PM EDT
Completed Not applicable Interventional Results available

Mindfulness Oriented Recovery Enhancement for Chronic Pain and Opioid Relapse

NCT04491968
View directory record Official record
Conditions
Opioid Use, Chronic Pain
Interventions
Mindfulness Oriented Recovery Enhancement, Methadone Treatment as Usual
Behavioral · Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 9, 2025 · Synced Sep 9, 2026, 6:08 PM EDT
Completed No phase listed Observational

Alcoholic Hepatitis: A Multicenter, Observational Study by the TREAT Consortium

NCT02172898
View directory record Official record
Conditions
Alcoholic Hepatitis
Interventions
Not listed
Lead sponsor
Indiana University
Other
Eligibility
21 Years and older
Enrollment
454 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
2
States / cities
Rochester, Minnesota • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 10, 2020 · Synced Sep 9, 2026, 6:08 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Reducing Blood Pressure in Mid-life Adult Binge Drinkers

NCT05522075
View directory record Official record
Conditions
Alcohol Drinking, Binge Drinking, Blood Pressure, Alcohol Abstinence, Aging, Lifestyle Factors, Vasodilation, Behavioral Problem
Interventions
Exercise Training, Alcohol Abstinence Intervention
Behavioral
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
50 Years to 64 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Arlington, Texas
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Sep 9, 2026, 6:08 PM EDT
Completed Phase 2 Interventional Results available

Acute and Short-term Effects of Cannabidiol Admin on Cue-induced Craving in Drug-abstinent Heroin Dependent Humans

NCT01605539
View directory record Official record
Conditions
Opiate Addiction
Interventions
Cannabidiol 400, Cannabidiol 800, Control
Drug
Lead sponsor
Hurd,Yasmin, Ph.D.
Individual
Eligibility
21 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 10, 2020 · Synced Sep 9, 2026, 6:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Experimental Test of Facebook Social Drinking Norms on Adolescent Alcohol Use

NCT03159286
View directory record Official record
Conditions
Feedback, Psychological, Underage Alcohol Use, Risk-Taking
Interventions
Abstainer, Abstainer + User, Control
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
15 Years to 20 Years
Enrollment
306 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 20, 2019 · Synced Sep 9, 2026, 6:08 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Gradual vs. Abrupt Cessation Treatment for Smoking

NCT00297492
View directory record Official record
Conditions
Smoking Cessation
Interventions
Reduction Phone Counseling, Abrupt Phone Counseling, Minimal Abrupt Phone Counseling, Pre-Quit Nicotine Lozenges, Post-Quit Nicotine Lozenges
Behavioral · Drug
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Sep 19, 2013 · Synced Sep 9, 2026, 6:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Alcohol Intervention for First Year College Students

NCT03750838
View directory record Official record
Conditions
Underage Alcohol Use
Interventions
Text Messaging Intervention
Behavioral
Lead sponsor
University of North Texas Health Science Center
Other
Eligibility
18 Years to 19 Years
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced Sep 9, 2026, 6:08 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Varenicline and Combined NRT for Smoking Cessation

NCT02271919
View directory record Official record
Conditions
Cigarette Smoker, Tobacco Use Disorder
Interventions
Nicotine Lozenge, Nicotine Patch, Placebo, Tobacco Cessation Counseling, Varenicline
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 75 Years
Enrollment
631 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 23, 2026 · Synced Sep 9, 2026, 6:08 PM EDT