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ClinicalTrials.gov public records Last synced Oct 19, 2026, 10:39 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 33 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Direct incentive Clear all
Active, not recruiting Not applicable Interventional

Trauma Intervention to Optimize PrEP Among Women Who Inject Drugs

NCT05192434
View directory record Official record
Conditions
HIV Infections, Opioid Use, Trauma, Psychological
Interventions
Expressive Writing, Contingency Management
Behavioral
Lead sponsor
Drexel University
Other
Eligibility
18 Years and older · Female only
Enrollment
219 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 23, 2025 · Synced Oct 19, 2026, 10:39 AM EDT
Completed Not applicable Interventional

Intervention to Improve HIV Self-care Among People Who Inject Drugs

NCT05819411
View directory record Official record
Conditions
Hiv, Substance Use Disorders
Interventions
Project iSTRIVE, incentivized Directly Observed Therapy (iDOT)
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Oct 19, 2026, 10:39 AM EDT
Completed Phase 3 Interventional Results available

A Randomized Trial of Medi-Cal Beneficiaries Calling the California Smokers' Helpline

NCT01502306
View directory record Official record
Conditions
Smoking Cessation
Interventions
Telephone counseling, Nicotine patches, Incentive
Behavioral · Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
3,816 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 13, 2020 · Synced Oct 19, 2026, 10:39 AM EDT
Completed Not applicable Interventional

Incentives for Preventative Health Care: Increasing Completion of Health Risk Assessments

NCT00891111
View directory record Official record
Conditions
Prevention
Interventions
Direct Payment, Regret Lottery
Behavioral
Lead sponsor
Carnegie Mellon University
Other
Eligibility
18 Years and older
Enrollment
634 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
8
States / cities
Shelton, Connecticut • Pensacola, Florida • Tampa, Florida + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 5, 2018 · Synced Oct 19, 2026, 10:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Game on Philly: Engaging Underserved Middle School Youth in Out-of- School Time Sports and Nutrition Education

NCT04975529
View directory record Official record
Conditions
Exercise, Diet
Interventions
Game on Philly: Engaging Underserved Middle School Youth in Out-of- School Time Sports and Nutrition Education
Behavioral
Lead sponsor
Temple University
Other
Eligibility
9 Years to 15 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 23, 2021 · Synced Oct 19, 2026, 10:39 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

The Zonisamide and Reinforcement for Reducing Alcohol Use (ZARRA) Study

NCT05134857
View directory record Official record
Conditions
Alcohol Use Disorder (AUD)
Interventions
Zonisamide, Placebo
Drug
Lead sponsor
Washington State University
Other
Eligibility
18 Years to 65 Years
Enrollment
205 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 19, 2026, 10:39 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

The STop UNhealthy Substance Use Now Trial

NCT06524232
View directory record Official record
Conditions
Risky Health Behavior, Substance Use Disorders, Substance Abuse, Alcohol Use Disorder, Drinking, Alcohol, Substance Use
Interventions
Practice Facilitation (PF), Learning Collaborative (LC), Performance Incentives (PI)
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
3
States / cities
Cincinnati, Ohio • Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 25, 2026 · Synced Oct 19, 2026, 10:39 AM EDT
Completed Not applicable Interventional

Factorial Design to Assess Quit-line Connections

NCT03760107
View directory record Official record
Conditions
Smoking Cessation
Interventions
Connect Smokers to Treatment 1, Connect Smokers to Treatment 2, Connect Smokers to Treatment 3, Connect Smokers to Treatment 4, Connect Smokers to Treatment 5, Connect Smokers to Treatment 6
Behavioral
Lead sponsor
Minnesota Department of Health
Government
Eligibility
Female only
Enrollment
3,723 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Nov 30, 2018 · Synced Oct 19, 2026, 10:39 AM EDT
Completed Not applicable Interventional Results available

Youth Ending the HIV Epidemic

NCT05789875
View directory record Official record
Conditions
HIV/AIDS, Mobile Health, Young Adults
Interventions
aDOT-CEI
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 29 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 26, 2024 · Synced Oct 19, 2026, 10:39 AM EDT
Completed Not applicable Interventional

Facial Affect Sensitivity Training for Young Children With Callous-unemotional Traits

NCT04159168
View directory record Official record
Conditions
Affective Symptoms, Empathy
Interventions
Facial Affect Sensitivity Training (FAST), Implicit Gaze Training task (Active control condition)
Behavioral
Lead sponsor
University of Alabama, Tuscaloosa
Other
Eligibility
6 Years to 11 Years
Enrollment
161 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Tuscaloosa, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 19, 2026, 10:39 AM EDT
Withdrawn Phase 3 Interventional

Vitality Health Incentives for Physical Activity

NCT01277367
View directory record Official record
Conditions
Obesity
Interventions
Discovery Vitality base program, Communication, Charitable Incentive, Prize Draw Incentive, Direct Payment, Free Choice
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 19, 2016 · Synced Oct 19, 2026, 10:39 AM EDT
Not listed Not applicable Interventional

Contingency Management for Recovery Oriented Activities at Recovery Houses

NCT05585203
View directory record Official record
Conditions
Substance Use Disorders
Interventions
Contingency management, Usual Care
Behavioral
Lead sponsor
Wayne State University
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 8, 2024 · Synced Oct 19, 2026, 10:39 AM EDT
Completed Not applicable Interventional Results available

Increasing Caregiver Engagement in Juvenile Drug Courts

NCT03051997
View directory record Official record
Conditions
Substance Abuse
Interventions
Caregiver Contingency Management + Usual Drug Court Treatment, Usual Drug Court Treatment
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
13 Years to 89 Years
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
2
States / cities
Dayton, Ohio • Corpus Christi, Texas
Source: ClinicalTrials.gov public record
Updated Aug 7, 2026 · Synced Oct 19, 2026, 10:39 AM EDT
Recruiting Phase 1 Interventional

LEMURS SSI: Evaluation of Behavioral Incentives

NCT06340841
View directory record Official record
Conditions
Incentives
Interventions
Personal Incentives, Personal Restorative Incentives, Charity Incentives, Charity Restorative Incentives
Behavioral
Lead sponsor
University of Vermont
Other
Eligibility
18 Years to 20 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Apr 2, 2024 · Synced Oct 19, 2026, 10:39 AM EDT
Completed Not applicable Interventional

Social Goals and Individual Incentives to Promote Walking in Older Adults

NCT01643538
View directory record Official record
Conditions
Physical Activity
Interventions
Financial incentive, Social Goal, Personal financial incentives & social goals, daily pedometer use and weekly feedback
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
65 Years and older
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 5, 2014 · Synced Oct 19, 2026, 10:39 AM EDT
Completed Phase 2 Interventional

Incentive-based Smoking Cessation for Methadone Patients

NCT00718835
View directory record Official record
Conditions
Cigarette Smoking Among Patients Currently Receiving Methadone or Buprenorphine Treatment for Opioid Dependence
Interventions
incentive-based contingency management
Behavioral
Lead sponsor
University of Vermont Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
1
States / cities
Burlington, Vermont
Source: ClinicalTrials.gov public record
Updated Feb 21, 2014 · Synced Oct 19, 2026, 10:39 AM EDT
Recruiting Not applicable Interventional

Economic Incentives and vDOT for Latent Tuberculosis Infection

NCT05022862
View directory record Official record
Conditions
Latent Tuberculosis
Interventions
Usual Care, Video Directly Observed Therapy alone, Video Directly Observed Therapy plus Financial Incentives
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
399 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Oct 19, 2026, 10:39 AM EDT
Completed Not applicable Interventional

Focused Incentive Spirometry Monitoring to Reduce Postoperative Oxygen Therapy and Respiratory Complications After Bariatric Surgery

NCT03010852
View directory record Official record
Conditions
Respiratory Complication
Interventions
Focused incentive spirometer education and monitoring
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 12, 2021 · Synced Oct 19, 2026, 10:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Behavioral Economic Incentives and Cancer Health Risk Assessment

NCT03068052
View directory record Official record
Conditions
Cancer of the Colon
Interventions
No incentive, Incentive
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
50 Years to 64 Years
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 20, 2019 · Synced Oct 19, 2026, 10:39 AM EDT
Not listed Not applicable Interventional

Addressing the Mental Health and Emotional Well-being of Immigrants Through a Scalable Intervention

NCT06652711
View directory record Official record
Conditions
Well-being, Mental Health
Interventions
2-month access to mental health app, Direct incentive, 4-month access to mental health app, Lottery incentive
Behavioral
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years and older
Enrollment
2,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 22, 2024 · Synced Oct 19, 2026, 10:39 AM EDT
Completed Not applicable Interventional

Contingency Management for Alcohol Use Disorder

NCT03701204
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
DynamiCare Rewards
Behavioral
Lead sponsor
DynamiCare Health
Industry
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
2
States / cities
Centerville, Massachusetts • Falmouth, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 11, 2020 · Synced Oct 19, 2026, 10:39 AM EDT
Completed Not applicable Interventional

Remote Alcohol Monitoring to Facilitate Abstinence From Alcohol: Exp 2

NCT03942770
View directory record Official record
Conditions
Alcohol Use Disorder
Interventions
Contingency management
Behavioral
Lead sponsor
Mikhail N Koffarnus
Other
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
2
States / cities
Lexington, Kentucky • Roanoke, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 19, 2026, 10:39 AM EDT
Completed Not applicable Interventional Results available

SteadyRx: Smartphone ART Adherence Intervention for Drug Users

NCT02317614
View directory record Official record
Conditions
HIV, Medication Adherence
Interventions
SteadyRx
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 100 Years
Enrollment
51 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 20, 2018 · Synced Oct 19, 2026, 10:39 AM EDT
Recruiting Not applicable Interventional

BOND: Direct Breastfeeding to Enhance Maternal and Infant Health in Congenital Heart Disease

NCT07582848
View directory record Official record
Conditions
Congenital Heart Disease (CHD)
Interventions
Breastfeeding clinical practice guideline (CPG) for congenital heart disease (CHD)
Other
Lead sponsor
Carelon Research
Other
Eligibility
18 Years and older
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
17
States / cities
Phoenix, Arizona • Los Angeles, California • Aurora, Colorado + 13 more
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 19, 2026, 10:39 AM EDT