Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 29, 2026, 8:02 AM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Conditions
Alcohol Dependence
Interventions
Prazosin Tablet, Placebo Tablet
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 70 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
1
States / cities
New Haven, Connecticut
Conditions
Cocaine Abuse
Interventions
prize contingency management
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
1
States / cities
Farmington, Connecticut
Completed Not applicable Interventional Results available

Long-term Behavior Change - 1

NCT00158197
Conditions
Amphetamine-related Disorders
Interventions
contingency management voucher
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years to 65 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
2
States / cities
Los Angeles, California • Rancho Cucamonga, California
Conditions
Substance Abuse, HIV Infections
Interventions
contingency management
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Hartford, Connecticut
Conditions
Cocaine Dependence
Interventions
Contingency Management
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
443 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2009
U.S. locations
1
States / cities
Farmington, Connecticut
Conditions
Schizophrenia, Cigarette Smoking
Interventions
Nicotine replacement therapy, Bupropion, cognitive-behavioral smoking cessation counseling, Mobile Contingency Management, Stay Quit Coach, SMS text messaging
Drug · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 70 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Durham, North Carolina
Completed Not applicable Interventional Results available

Incentives to Decrease Opioid Use - Pilot

NCT04235582
Conditions
Substance-Related Disorders, Opioid-Related Disorders, Behavior Therapy
Interventions
App + Inputs Contingency Management, App + Outcomes Contingency Management
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
Berkeley, California • Chicago, Illinois • Wauwatosa, Wisconsin
Conditions
Behavior, Addictive, Cocaine Abuse, Cocaine Dependence, Heroin Dependence, Opioid Dependence
Interventions
Contingency management
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2006
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Phase 4 Interventional Results available

Cannabis and Tobacco Co-use Study

NCT04228965
Conditions
Tobacco Use Disorder
Interventions
Varenicline, Contingency Management, Counseling
Drug · Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 40 Years
Enrollment
181 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
3
States / cities
Charleston, South Carolina • Florence, South Carolina • Pickens, South Carolina
Conditions
Lung Inflammation, HIV Seropositivity
Interventions
ECIGS, mobile contingency management (mCM), Usual brand
Other · Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 64 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Contingency Management for PrEP Adherence and/or Methamphetamine Use

NCT04563962
Conditions
Methamphetamine-dependence, HIV-1-infection
Interventions
Contingency Management-ART, Contingency Management-Methamphetamine
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Tobacco Use Cessation
Interventions
Nicotine patch, nicotine gum, nicotine nasal spray, nicotine inhaler, Varenicline or bupropion, Contingency Management
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
323 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
4
States / cities
Bridgeport, Connecticut • New Haven, Connecticut • Brooklyn, New York + 1 more
Conditions
Cannabis Use
Interventions
Contingency Management
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
14 Years to 25 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Cigarette Smoking
Interventions
Reinforcement for the abstinence of smoking, Reinforcement for submission of videos with CO sample
Behavioral
Lead sponsor
National Development and Research Institutes, Inc.
Other
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
1
States / cities
New York, New York
Conditions
Opiate Dependence, Pregnancy
Interventions
Buprenorphine / methadone
Procedure
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Accepts healthy volunteers Results available

Cognitive Recovery With Cannabis Abstinence Among High School-Aged Adolescents

NCT03276221
Conditions
Cannabis Use, Cognitive Change, Adolescent Behavior
Interventions
Abstinence
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
10 Years to 19 Years
Enrollment
201 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers

Mobile Contingency Management for Smoking Cessation

NCT04881630
Conditions
Smoking Cessation
Interventions
Automated Mobile Contingency Management (CM), Standard Care (SC)
Behavioral · Other
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
532 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Completed Not applicable Interventional Accepts healthy volunteers Results available

Individualizing Incentives for Alcohol in the Severely Mentally Ill

NCT03481049
Conditions
Schizophrenia, Bipolar Disorder, Major Depressive Disorder, Alcohol Dependence
Interventions
Usual CM, High-Magnitude CM, Shaping CM
Behavioral
Lead sponsor
Washington State University
Other
Eligibility
18 Years to 65 Years
Enrollment
392 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
2
States / cities
Seattle, Washington • Spokane, Washington
Completed Not applicable Interventional Accepts healthy volunteers

Phosphatidylethanol-Based Contingency Management for Housing

NCT04038021
Conditions
Alcohol Use Disorder
Interventions
Phosphatidylethanol-based Contingency Management, Non-Contingent Control
Behavioral
Lead sponsor
Washington State University
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Spokane, Washington
Completed Not applicable Interventional Accepts healthy volunteers

Diabetes Smoking Cessation Incentives Study

NCT04682067
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
Completed Not applicable Interventional

Marijuana Treatment Project - 3

NCT00107588
Conditions
Marijuana Dependence
Interventions
Reinforcement for homework completion, Reinforcement for Abstinence, Case Management
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years to 80 Years
Enrollment
215 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Farmington, Connecticut
Conditions
Gambling, Mental Health
Interventions
Cognitive behavior therapy, Contingency management
Behavioral
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Farmington, Connecticut
Conditions
Tobacco Use Disorder/Cigarette Smoking, HIV
Interventions
nicotine patch, nicotine gum, nicotine lozenge, varenicline, bupropion, Multi-target Contingency Management, Teamlet booster
Drug · Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
794 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
5
States / cities
Bridgeport, Connecticut • New Haven, Connecticut • Jersey City, New Jersey + 2 more
Recruiting Not applicable Interventional Accepts healthy volunteers

Young Adult Tobacco/Nicotine and Cannabis Co-use

NCT06239350
Conditions
Tobacco Use Disorder, Nicotine Dependence
Interventions
Counseling, Contingency management, Text-based support
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 25 Years
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Charleston, South Carolina