- Conditions
- Smoking Cessation Counselling
- Interventions
- Free Help, Free Nicotine message, Spanish: Free help message, Spanish: Free nicotine message
- Behavioral
- Lead sponsor
- University of California, Davis
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 4,171 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- San Diego, California
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–24
of 154
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Influenza, Vaccination
- Interventions
- Messaging, Incentive
- Behavioral
- Lead sponsor
- The University of Texas Health Science Center at Tyler
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 22,584 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Austin, Texas
- 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
- 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
- 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
- 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
- Conditions
- Informed and Uninformed Incentives
- Interventions
- Uninformed, Informed
- Behavioral
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 2,055 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- Started 2015
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Methamphetamine-dependence, Rectal Gonorrhea, Rectal Chlamydia
- Interventions
- Contingency Management
- Behavioral
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 59 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2026
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- 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
- Diabetes Mellitus, Type 2, Diabetes, Mental Health, Health Behavior
- Interventions
- Empathy in Action for life with diabetes., Control Phase 2 Materials Only
- Behavioral
- Lead sponsor
- University of Texas at Austin
- Other
- Eligibility
- 21 Years to 70 Years
- Enrollment
- 260 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2024
- U.S. locations
- 9
- States / cities
- Austin, Texas • Bastrop, Texas • Cedar Park, Texas + 3 more
- Conditions
- Chronic Brain Injury
- Interventions
- SPIRIT Club CBI Pathway
- Behavioral
- Lead sponsor
- Ohio State University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2027
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Smoking Cessation, Weight Loss
- Interventions
- Group Commitment Contract, Individual Monetary Rewards, Individual Commitment Contract, Information
- Behavioral · Other
- Lead sponsor
- National Bureau of Economic Research, Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 3,600 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Evanston, Illinois
- Conditions
- Hypertension
- Interventions
- Patient educational letter to engage provider in hypertension rx discussion, Financial incentive (Arms B and C) and health educator phone call (Arm C)
- Behavioral
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 834 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2009
- U.S. locations
- 2
- States / cities
- Iowa City, Iowa • Minneapolis, Minnesota
- Conditions
- Tobacco Use Cessation
- Interventions
- 1-Call Quitline Counseling, 4-Call Quitline Counseling, Nicotine patch, Nicotine Patch and Nicotine Lozenge, SmokefreeTXT, No SmokefreeTXT, Financial Incentives for Treatment Engagement, No Financial Incentives for Treatment Engagement
- Behavioral · Drug
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 1,316 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2023
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- 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
- 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
- Conditions
- Covid19, Infectious Disease
- Interventions
- A $10 Survey Incentive, A $20 Survey Incentive, Emphasis of Government Involvement, Emphasis of Academic Researchers Involvement, Cost-Benefit Frame, Duty Frame, Racial/Ethnic Frame, No Messaging
- Behavioral
- Lead sponsor
- Harvard University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 561 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2022
- U.S. locations
- 10
- States / cities
- Bloomington, Minnesota • Columbia Heights, Minnesota • Eden Prairie, Minnesota + 5 more
- Conditions
- Hypertension
- Interventions
- Physician-level financial incentives, Practice-level financial incentives, Physician- and practice-level financial incentives
- Behavioral
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- Not listed
- Enrollment
- 83 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2012
- U.S. locations
- 12
- States / cities
- Birmingham, Alabama • Newington, Connecticut • Augusta, Georgia + 9 more
- Conditions
- Health Knowledge, Attitudes, Practice
- Interventions
- Incentives mailer
- Other
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- Not listed
- Enrollment
- 3,145 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- New York, New York
- 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
- Nutrition Therapy
- Interventions
- Information provision intervention, information provision + flat incentive, Information provision + tiered incentive, Usual Care
- Behavioral
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 42 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Coronary Artery Disease
- Interventions
- Financial incentives
- Behavioral
- Lead sponsor
- University of Vermont
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 130 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2018
- U.S. locations
- 1
- States / cities
- Burlington, Vermont
- Conditions
- Parkinson Disease
- Interventions
- carbidopa/levodopa, as prescribed by treating physician
- Drug
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 45 Years to 90 Years
- Enrollment
- 19 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2024
- U.S. locations
- 1
- States / cities
- Ann Arbor, Michigan
- Conditions
- Type 1 Diabetes
- Interventions
- Diabetes behavior change skills training, Physical activity promotion program
- Behavioral
- Lead sponsor
- University of Vermont
- Other
- Eligibility
- 13 Years to 17 Years
- Enrollment
- 31 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- Burlington, Vermont