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ClinicalTrials.gov public records Last synced Sep 2, 2026, 11:50 AM EDT

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Showing 1–12 of 12 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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
Conditions
Contingency Managment, Methamphetamine Use Disorder
Interventions
Contingency Managment
Behavioral
Lead sponsor
Queen's Medical Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Honolulu, Hawaii
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
Conditions
Hypertension, Medication Adherence
Interventions
Text Message, Behavior Economic Incentive
Behavioral
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers

Lottery Incentives for Moving

NCT01278654
Conditions
Obesity, Sedentary Lifestyle
Interventions
Incentive to exercise
Behavioral
Lead sponsor
Harvard University
Other
Eligibility
18 Years to 65 Years
Enrollment
212 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Boston, Massachusetts
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
Completed Not applicable Interventional

EMA of Substance Use in Homeless Youth

NCT04884087
Conditions
Substance Use
Interventions
Ecological Momentary Assessment (EMA; Metricwire) Prompts 3x/day, Ecological Momentary Assessment (EMA; Metricwire) Prompts 6x/day, Incentive Structure - fixed, Incentive Structure - prize based
Behavioral
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
18 Years to 24 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Columbus, Ohio
Conditions
Cocaine Use Disorder
Interventions
Prize-Based Contingency Management, Treatment As Usual Outpatient Substance Use Treatment
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 75 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
HIV Infections, HIV
Interventions
Information provision, Weekly quizzes, Rewards for testing HIV-negative
Behavioral
Lead sponsor
RAND
Other
Eligibility
18 Years and older
Enrollment
217 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Los Angeles, California
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
Completed Not applicable Interventional Accepts healthy volunteers

Financial Incentives and Recruitment to the APT Webstudy

NCT06033066
Conditions
Alzheimer Disease, Dementia, Preclinical Alzheimer's Disease, Prodromal Alzheimer's Disease
Interventions
Financial Incentives, Message
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
50 Years and older
Enrollment
44,844 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Martinez, California
Conditions
Contingency Management, Methamphetamine Use Disorder
Interventions
Contingency management
Behavioral
Lead sponsor
Queen's Medical Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Honolulu, Hawaii