Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 21, 2026, 3:00 PM EDT

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

Showing 49–72 of 301 matching trials from the live ClinicalTrials.gov search.
Completed Not applicable Interventional Accepts healthy volunteers

Promoting Adolescent Investment In Diabetes Care

NCT04516694
Conditions
Type 1 Diabetes
Interventions
Financial incentive (gain), Financial incentive (loss)
Behavioral
Lead sponsor
Harvard Pilgrim Health Care
Other
Eligibility
12 Years to 18 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Completed Not applicable Interventional Accepts healthy volunteers

Primary Care Clinical Excellence Incentive Study

NCT04237883
Conditions
Behavioral Economics, Primary Health Care, Health Maintenance, Diabetes, Colorectal Cancer Screening, Cervical Cancer Screening, Chlamydia Screening, HPV Screening
Interventions
Standard communication email, Social comparison Intervention, Leadership Training
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Brentwood, California
Not listed No phase listed Observational Accepts healthy volunteers

Evaluating the Impact of Incentives on Clinical Trial Participation

NCT04809636
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
Completed No phase listed Observational Accepts healthy volunteers

Dopamine Function and Reward Processing In Schizophrenia

NCT01035996
Conditions
Schizophrenia
Interventions
Not listed
Lead sponsor
National Institute on Drug Abuse (NIDA)
NIH
Eligibility
18 Years to 50 Years
Enrollment
159 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2017
U.S. locations
2
States / cities
Baltimore, Maryland
Completed Not applicable Interventional Accepts healthy volunteers

Trial for Harm Reduction With Incentives & Vaping E-cigarettes

NCT06111053
Conditions
Obesity, Smoking Cessation
Interventions
ENDS, CI, No ENDS, NI
Other
Lead sponsor
Brown University
Other
Eligibility
21 Years to 99 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Providence, Rhode Island
Conditions
Smoking Cessation, Smoking, Cigarette
Interventions
Financial Incentives
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 90 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
New York, New York
Conditions
Incentives, Research Ethics
Interventions
High-level recruitment strategy consent form, Mid-level recruitment strategy consent form
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
1,296 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
4
States / cities
Chicago, Illinois • Philadelphia, Pennsylvania
Conditions
Post Operative
Interventions
Signal On
Device
Lead sponsor
Tidal Medical Technologies
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
3
States / cities
Silver Spring, Maryland • Rochester, Minnesota • New Brunswick, New Jersey
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
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
Conditions
Atelectases, Postoperative Pulmonary
Interventions
Digital Incentive Spirometer, Jamboxx Respiratory Therapy Device
Device
Lead sponsor
My Music Machines Inc.
Industry
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Albany, New York
Conditions
Diet
Interventions
Veggie Vouchers
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
2 Years to 10 Years
Enrollment
296 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Columbia, South Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Re-enforcing Safe Sleep Practices for Caregivers With Tangible Incentives

NCT02010450
Conditions
Safe Sleep Education
Interventions
Wearable Blanket (Sleep Sack), Incentive Item
Other
Lead sponsor
University of Kansas
Other
Eligibility
18 Years and older
Enrollment
152 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Wichita, Kansas
Completed Not applicable Interventional Results available

Financial Incentives for Homeless Smokers: A Community-based RCT

NCT04445662
Conditions
Tobacco Smoking
Interventions
Financial incentives, Varenicline, Tobacco coaching
Behavioral · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
184 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Financial Incentives for Smoking Cessation Treatment Engagement

NCT04601870
Conditions
Quitting Smoking
Interventions
No Financial Incentive, Financial Incentive (100 dollars), Financial Incentive (50 dollars)
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Madison, Wisconsin
Conditions
Smoking Cessation
Interventions
Financial Incentive Rewards
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
1,312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Anchorage, Alaska
Completed Not applicable Interventional Results available

SteadyRx: Smartphone ART Adherence Intervention for Drug Users

NCT02317614
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
Conditions
Alcohol Abuse
Interventions
Contingency Management
Behavioral
Lead sponsor
Washington State University
Other
Eligibility
18 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Pullman, Washington
Conditions
Cocaine Dependence
Interventions
Behavioral Incentives, Education Control
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older · Female only
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Richmond, Virginia
Conditions
Fruit and Vegetable Intake, Healthy Diet, Food Insecurity
Interventions
Digital Promotions Group
Behavioral
Lead sponsor
Tufts University
Other
Eligibility
18 Years and older
Enrollment
251,966 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Thoracic Surgery, Respiratory Therapy
Interventions
ZEPHYRx Respiratory Therapy (RT) System, Standard Incentive Spirometer
Device
Lead sponsor
My Music Machines Inc.
Industry
Eligibility
18 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Rochester, New York
Completed Not applicable Interventional Accepts healthy volunteers

Reimbursement Effects on Enrollment in Obesity Treatment

NCT00250510
Conditions
Obesity
Interventions
Simulated insurance reimbursement
Behavioral
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
19 Years and older
Enrollment
401 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2006
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Obesity Prevention
Interventions
Targeted beverage education and financial incentives, Traffic-light labeling of all beverages in store
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Boston, Massachusetts
Active, not recruiting Not applicable Interventional

Financial Incentives for Smoking Treatment II

NCT03979885
Conditions
Smoking Cessation, Tobacco Use Cessation
Interventions
Smoking cessation counseling (Quitline), Smoking cessation pharmacotherapy (e.g, nicotine replacement therapy), Financial incentives for smoking cessation, Financial incentives for use of evidence-based smoking cessation therapies
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
1,058 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
2
States / cities
Los Angeles, California • New York, New York