Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 25, 2026, 3:12 AM EDT

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Showing 1–24 of 34 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Prediabetic State
Interventions
Financial Incentives
Behavioral
Lead sponsor
Minnesota Department of Human Services
Government
Eligibility
18 Years to 74 Years
Enrollment
1,500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Saint Paul, Minnesota
Completed Not applicable Interventional Accepts healthy volunteers

Small Monetary Incentives to Promote Exercise (Exercise4Good; EX4G)

NCT03134040
Conditions
Obesity, Physical Activity
Interventions
Incentives (Rebate), Incentives (Donation), Feedback
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years to 99 Years
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Providence, Rhode Island
Completed Not applicable Interventional

OUD Smartphone Services

NCT06134882
Conditions
Opioid-Related Disorders, Drug Abuse
Interventions
Contingency management, Cognitive-Behavior Therapy Modules, Peer Contingency Management (CM) Guide, Drug testing, Wellness modules, Peer technical support
Behavioral
Lead sponsor
Western Michigan University
Other
Eligibility
18 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Kalamazoo, Michigan
Conditions
Posttraumatic Stress Disorder, Substance Use Disorder
Interventions
Prolonged Exposure Therapy, Voucher-Based Reinforcement
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving Attendance in Community Wise

NCT05934591
Conditions
Intervention Engagement and Retention
Interventions
Community Wise
Behavioral
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years and older
Enrollment
166 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
East Saint Louis, Illinois
Active, not recruiting Early Phase 1 Interventional

Trial to Increase FEP Attendance

NCT05967195
Conditions
First-Episode Psychosis
Interventions
Financial Incentive and Text-Messages
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
3
States / cities
Raleigh, North Carolina • Philadelphia, Pennsylvania • Philadephia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Seek, Test, and Retain. Linkages for Black HIV+, Substance-Using MSM

NCT01790360
Conditions
Substance Abuse, Sexual Behavior
Interventions
Patient Navigation (PN) Intervention, Financial Incentives (FI) Intervention
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 99 Years · Male only
Enrollment
1,930 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2021
U.S. locations
1
States / cities
New York, New York
Conditions
Opiate-Replacement Therapy
Interventions
Automated Contingency Management (ACM) software
Device
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
HIV
Interventions
Incentive intervention model
Behavioral
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
16 Years to 24 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Memphis, Tennessee
Conditions
Cardiovascular Diseases
Interventions
Gamification, Loss-Framed Financial Incentives
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Conditions
Exposure to Secondhand Smoke in Neonatal Infants
Interventions
Motivational Interviewing plus Incentives, Conventional Care (CC)
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
Not listed
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Houston, Texas
Completed Not applicable Interventional Accepts healthy volunteers

Packaging and Disseminating the JOIN for ME Program in Low-Income Settings

NCT04647760
Conditions
Pediatric Obesity
Interventions
JOIN for ME
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
6 Years to 12 Years
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Conditions
Smoking Cessation
Interventions
CounsCM+MedCM (Health Rewards)
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Substance Use Disorders, Risk Reduction
Interventions
Risk Reduction Group
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 70 Years
Enrollment
87 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Obesity
Interventions
Different levels of cost sharing
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 80 Years
Enrollment
1,239 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
2
States / cities
Davidson, North Carolina • Nashville, Tennessee
Conditions
Cannabis
Interventions
Contingency management
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
31 Years to 47 Years
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Opioid Use Disorder, Posttraumatic Stress Disorder
Interventions
Prolonged exposure therapy, Financial incentives, Treatment as usual
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Burlington, Vermont
Conditions
Acquired Immunodeficiency Syndrome, HIV
Interventions
Provider Visit Incentive (PVI), Incentive Choice (IC)
Behavioral
Lead sponsor
National Bureau of Economic Research, Inc.
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Opioid Use, Opioid Use Disorder, Cocaine Use, Cocaine Use Disorder
Interventions
DynamiCare Health, Methadone Treatment-As-Usual
Behavioral · Drug
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
5
States / cities
Baltimore, Maryland
Conditions
Posttraumatic Stress Disorder, Pregnancy
Interventions
Prolonged exposure therapy + incentives for therapy session attendance
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Burlington, Vermont
Conditions
Opioid Use Disorder
Interventions
Contingency Management, Usual care as prescribed by the ED physicians
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Burlington, Vermont
Completed No phase listed Observational Accepts healthy volunteers

Contingency Management Using Smartphone App in Patients With SUD

NCT04162132
Conditions
Substance Use Disorders
Interventions
Smartphone app
Device
Lead sponsor
BrightView LLC
Industry
Eligibility
Not listed
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Cincinnati, Ohio
Conditions
Diabetes Prevention
Interventions
Process incentives, Outcome incentives, Process and Outcome incentives
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
596 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Albany, New York
Conditions
Substance Use Disorders
Interventions
incentives
Behavioral
Lead sponsor
Brandeis University
Other
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Bedford, Massachusetts