- Conditions
- Covid19
- Interventions
- Facebook Ads on the importance of staying safe during the Thanksgiving / Christmas holiday
- Behavioral
- Lead sponsor
- National Bureau of Economic Research, Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 820 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Cambridge, Massachusetts
Search Results
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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 28
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Influenza, Human
- Interventions
- Functional Proximity, Base Proximity
- Other
- Lead sponsor
- National Bureau of Economic Research, Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 1,801 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- 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
- Acquired Immunodeficiency Syndrome, HIV
- Interventions
- Provider Visit Incentive (PVI), Incentive Choice (IC)
- Behavioral
- Lead sponsor
- National Bureau of Economic Research, Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 110 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2014
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Medical Adherence
- Interventions
- GlowCap, Daily email, text message, or phone call reminders, Paid for adherence
- Device · Behavioral
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 18 Years to 84 Years
- Enrollment
- 119 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2017
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- no Specific Condition Targeted, Use of a Price Transparency Tool
- Interventions
- lottery for tool users to win a $500 prize, enhanced promotion of the tool to employers and members
- Other
- Lead sponsor
- Alison Galbraith
- Other
- Eligibility
- Not listed
- Enrollment
- 81,000 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2015
- U.S. locations
- 1
- States / cities
- Wellesley, Massachusetts
- Conditions
- Participation in Nurse Visits
- Interventions
- The Effect of Active Choice on Nurse Visit Participation
- Behavioral
- Lead sponsor
- National Bureau of Economic Research, Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 3,500 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2012
- U.S. locations
- 1
- States / cities
- Las Vegas, Nevada
- Conditions
- Patient Commitment Preferences for Medication Adherence
- Interventions
- Survey to Understand Medication Adherence among HIV Patients
- Other
- Lead sponsor
- National Bureau of Economic Research, Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 200 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Influenza, Vaccination, Health Promotion, Health Behavior, Risk Reduction
- Interventions
- Risk Reduction
- Behavioral
- Lead sponsor
- Geisinger Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 40,671 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- Danville, Pennsylvania
- Conditions
- Body Weight
- Interventions
- Workout Window Reminders, Individual Workout Incentive Payment, Lump Incentive Payments, Partner Assignment
- Behavioral
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 2,702 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2016
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Covid19
- Interventions
- Acknowledgement Racial Injustice AMA, African American Sender Acknowledgement, African American Sender in Informational Videos., Racial Inequality Highlighted, AMA Acknowledgement Drug Pricing, White Sender in Acknowledgement, White Sender in Informational Videos, No Racial Inequality Highlighting, Placebo videos
- Behavioral
- Lead sponsor
- National Bureau of Economic Research, Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 20,460 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020
- U.S. locations
- 1
- States / cities
- Cambridge, Massachusetts
- Conditions
- Soft Drink Consumption, Sugar-sweetened Beverages, Information Labels
- Interventions
- Nutrition Facts, Text Warning, Graphic Warning
- Other
- Lead sponsor
- National Bureau of Economic Research, Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 5,845 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021
- U.S. locations
- 1
- States / cities
- Berkeley, California
- Conditions
- High Utilizers of Hospital Care
- Interventions
- Link2Care
- Other
- Lead sponsor
- Abdul Latif Jameel Poverty Action Lab
- Other
- Eligibility
- 19 Years to 80 Years
- Enrollment
- 800 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2020
- U.S. locations
- 2
- States / cities
- Camden, New Jersey
- Conditions
- Influenza
- Interventions
- Alert, Salient alert features, High-risk Text, Risk factors
- Behavioral
- Lead sponsor
- Geisinger Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 80,452 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Danville, Pennsylvania
- Conditions
- Hypertension, Hypertension in Pregnancy, Diabetes Mellitus, Gestational Diabetes, Obesity, Depressive Disorder, Anxiety Disorders
- Interventions
- Default appointment scheduling, Targeted messaging, Nudge Reminders
- Behavioral
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 360 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Influenza
- Interventions
- Reminder
- Behavioral
- Lead sponsor
- Geisinger Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 139,503 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Danville, Pennsylvania
- Conditions
- Medication Adherence
- Interventions
- Increasing Medication Adherence through Physician Incentives and Messaging
- Other
- Lead sponsor
- National Bureau of Economic Research, Inc.
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 734 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Louisville, Kentucky
- Conditions
- Diabetes Mellitus, Hypertension, Hyperlipidemia
- Interventions
- Monthly Financial Incentive, Final Financial Incentive
- Behavioral
- Lead sponsor
- Boston Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 74 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Influenza, Vaccination, Health Promotion, Health Behavior
- Interventions
- Reminder, Financial incentive, Lottery
- Behavioral
- Lead sponsor
- National Bureau of Economic Research, Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 57,581 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Danville, Pennsylvania
- Conditions
- Shingles, Vaccination Behavior, Behavior, Health
- Interventions
- Reminder
- Behavioral
- Lead sponsor
- Geisinger Clinic
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 50,786 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Danville, Pennsylvania
- Conditions
- Covid19, Vaccination
- Interventions
- Financial incentives, Convenient scheduling link, Race concordant, Gender concordant
- Behavioral
- Lead sponsor
- National Bureau of Economic Research, Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 2,701 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Martinez, California
- Conditions
- Coronavirus
- Interventions
- Messaging
- Behavioral
- Lead sponsor
- National Bureau of Economic Research, Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 14,267 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020
- U.S. locations
- 1
- States / cities
- Cambridge, Massachusetts
- Conditions
- Alzheimer Disease, Dementia, Prescribing, Off-Label
- Interventions
- Overprescribing letter to attributed physician, Placebo letter to attributed physician
- Behavioral
- Lead sponsor
- Columbia University
- Other
- Eligibility
- Not listed
- Enrollment
- 336,460 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2018
- U.S. locations
- 3
- States / cities
- Boston, Massachusetts • Cambridge, Massachusetts • New York, New York
- Conditions
- Preventative Health
- Interventions
- Scheduling and Active Choice for Biometric Participation
- Other
- Lead sponsor
- National Bureau of Economic Research, Inc.
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 11,000 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011
- U.S. locations
- 1
- States / cities
- St Louis, Missouri