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ClinicalTrials.gov public records Last synced Oct 27, 2026, 5:17 PM EDT

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Showing 1–24 of 65 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Incentives for Participation Clear all
Completed Not applicable Interventional

Evaluating Three Methods for Helping Syringe Exchangers Begin Methadone Maintenance

NCT01142986
View directory record Official record
Conditions
Substance Abuse Disorder
Interventions
Low intensity care, Voucher reinforcement
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 65 Years
Enrollment
223 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 30, 2018 · Synced Oct 27, 2026, 5:17 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The BEACH Interview Study- Pregnant and Breastfeeding Mothers

NCT03036696
View directory record Official record
Conditions
Pediatric Obesity, Recruitment
Interventions
Pregnant Mothers Interview, Breastfeeding Mothers Interview
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 12, 2019 · Synced Oct 27, 2026, 5:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving Survey Procedures for Young Men Who Have Sex With Men in Web-based HIV Prevention: Retention Study

NCT02424643
View directory record Official record
Conditions
Healthy
Interventions
Monetary Incentive, Altruistic Incentive, Dashboard Incentive
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 34 Years · Male only
Enrollment
1,131 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 9, 2016 · Synced Oct 27, 2026, 5:17 PM EDT
Completed Phase 2Phase 3 Interventional

Using Technology to Promote Mental Acuity

NCT01126021
View directory record Official record
Conditions
Mental Acuity
Interventions
Financial incentives, No incentives
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
55 Years to 80 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 2, 2016 · Synced Oct 27, 2026, 5:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

mHealth to Enhance & Sustain Drug Use Reduction of the QUIT BI in Primary Care

NCT04935606
View directory record Official record
Conditions
Drug Use
Interventions
Usual Care, QUIT Intervention (doctor brief advice, video doctor, health coaching sessions at 2- and 6-weeks), QUIT-Mobile (QUIT Intervention plus weekly mobile-web app or text message weekly self-monitoring, automated feedback over 12 months)
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
457 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
5
States / cities
Long Beach, California • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 27, 2026, 5:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Intervention to Reduce Diaper Need and Increase Use of Pediatric Preventive Care

NCT03490045
View directory record Official record
Conditions
Diaper Dermatitis, Urinary Tract Infections, Infection, Depressive Symptoms, Stress
Interventions
Diaper Incentive, Conditional Cash Transfer Condition
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older · Female only
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 24, 2023 · Synced Oct 27, 2026, 5:17 PM EDT
Completed Phase 2Phase 3 Interventional Results available

Voucher-Based Incentives in a Prevention Setting

NCT00607269
View directory record Official record
Conditions
Substance-related Disorders
Interventions
Voucher-Based Reinforcement Therapy
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years to 65 Years · Male only
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 1, 2013 · Synced Oct 27, 2026, 5:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Project Step II: The Effects of Incentives and Feedback on Promoting Walking Within Overweight and Obese Adults

NCT03574519
View directory record Official record
Conditions
Physical Activity, Sedentary Lifestyle, Overweight and Obesity
Interventions
Non-contingent incentives, Contingent incentives, Weekly feedback, Daily feedback
Behavioral
Lead sponsor
Drexel University
Other
Eligibility
18 Years to 70 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 3, 2018 · Synced Oct 27, 2026, 5:17 PM 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 27, 2026, 5:17 PM EDT
Completed Not applicable Interventional Results available

Effectiveness of Extended Treatments for Drug Dependence

NCT00685659
View directory record Official record
Conditions
Cocaine Dependence
Interventions
Intensive Outpatient Treatment, Adaptive telephone-based counseling, Adaptive telephone-based counseling plus incentives
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 75 Years
Enrollment
332 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 7, 2017 · Synced Oct 27, 2026, 5:17 PM 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 27, 2026, 5:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

BEhavioral EConomics for Oral Health iNnovation Trial

NCT03576326
View directory record Official record
Conditions
Toothbrushing, Dental Plaque, Parent-Child Relations, Oral Hygiene, Dental Caries
Interventions
Drawing Incentive
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
6 Months to 47 Months
Enrollment
244 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Sep 19, 2025 · Synced Oct 27, 2026, 5:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Comparison of High-intensity Interval Training Protocols on Health and Fitness

NCT03093441
View directory record Official record
Conditions
Healthy
Interventions
Multimodal High-Intensity Interval Training Intervention
Other
Lead sponsor
Oakland University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Rochester, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 13, 2019 · Synced Oct 27, 2026, 5:17 PM EDT
Completed Not applicable Interventional Results available

Financial Incentives And Nurse Coaching to Enhance Diabetes Outcomes (FINANCE-DM)-1

NCT04203173
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
FINANCE-DM, Active Comparator
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
21 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jul 24, 2026 · Synced Oct 27, 2026, 5:17 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Evaluating the Impact of Incentives on Clinical Trial Participation

NCT04809636
View directory record Official record
Conditions
Hiv, Aging, Incentives
Interventions
This is not an interventional study
Other
Lead sponsor
University of California, Riverside
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Riverside, California
Source: ClinicalTrials.gov public record
Updated Mar 22, 2021 · Synced Oct 27, 2026, 5:17 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Ohio State University (OSU) SCREEN Community Program

NCT06666192
View directory record Official record
Conditions
Breast Carcinoma, Cervical Carcinoma, Colorectal Carcinoma
Interventions
Cancer Screening, Discussion, Educational Activity, Educational Intervention, Focus Group, Health Care Delivery, Health Promotion, Health Promotion and Education, Health Risk Assessment, Implementation, Informational Intervention, Internet-Based Intervention, Interview, Outreach, Patient Navigation, Survey Administration
Other · Behavioral · Procedure
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
Not listed
Enrollment
2,067 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 24, 2025 · Synced Oct 27, 2026, 5:17 PM EDT
Completed Not applicable Interventional Results available

Project MIMIC (Maximizing Implementation of Motivational Incentives in Clinics)

NCT03931174
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Addiction Technology Transfer Center (ATTC) Training Strategy, Enhanced Addiction Technology Transfer Center (E-ATTC) Training Strategy
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
780 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
29
States / cities
Bridgeport, Connecticut • Hartford, Connecticut • Stamford, Connecticut + 22 more
Source: ClinicalTrials.gov public record
Updated Mar 19, 2025 · Synced Oct 27, 2026, 5:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Fruit and Vegetable Rx (FVRx) + Home Plate

NCT04986046
View directory record Official record
Conditions
Food Insecurity
Interventions
Home Plate Lite, Home Plate, Fruit and Vegetable prescription
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
2 Years to 5 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 19, 2025 · Synced Oct 27, 2026, 5:17 PM EDT
Completed Not applicable Interventional Results available

Behavioral Economics and Self-Determination Theory to Change Diabetes Risk (BEST Change)

NCT04902326
View directory record Official record
Conditions
Pre Diabetes
Interventions
Automated educational text messages, Autonomy-supportive automated educational text messages, Financial incentives, Tailored text messages
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
380 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Nov 29, 2024 · Synced Oct 27, 2026, 5:17 PM EDT
Withdrawn Not applicable Interventional

Incentives for Participation Versus Outcomes

NCT01826331
View directory record Official record
Conditions
Smoking
Interventions
Incentives for Participation, Incentives for Cessation
Behavioral
Lead sponsor
University of Rhode Island
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Kingston, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 17, 2025 · Synced Oct 27, 2026, 5:17 PM EDT
Completed Not applicable Interventional

Social Media Alcohol Intervention

NCT02809586
View directory record Official record
Conditions
Drinking Behavior, Risky Drinking
Interventions
SMI + I, SMI
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
16 Years to 24 Years
Enrollment
955 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 5, 2024 · Synced Oct 27, 2026, 5:17 PM EDT
Active, not recruiting Phase 4 Interventional

Long-term Effectiveness of the Antiobesity Medication Phentermine

NCT05176626
View directory record Official record
Conditions
Obesity, Obesity; Drug, Lifestyle, Healthy
Interventions
Online Lifestyle Behavioral Therapy, Phentermine Hydrochloride 8 MG
Behavioral · Drug
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 70 Years
Enrollment
870 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
4
States / cities
Los Angeles, California • Saint Louis Park, Minnesota • Winston-Salem, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 31, 2026 · Synced Oct 27, 2026, 5:17 PM EDT
Completed Not applicable Interventional Results available

Reward-Based Recovery Outcomes Management for Opioid Use Disorder

NCT04669249
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
PROCare
Behavioral
Lead sponsor
Medical Decision Logic, Inc.
Industry
Eligibility
18 Years and older
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 17, 2023 · Synced Oct 27, 2026, 5:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Testing Promising Behavioral Economic Interventions to Promote Enrollment Diversity in Cardiovascular Cohort Studies

NCT05827718
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Method of Contact, Source of Contact, Framing Method (Appeal to Altruism or Social Proof, Incentive Structure
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
26,242 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 24, 2025 · Synced Oct 27, 2026, 5:17 PM EDT