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ClinicalTrials.gov public records Last synced Oct 21, 2026, 2:59 AM EDT

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Showing 1–13 of 13 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Pre-commitment Prompt Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Testing Multiple Behavioral Science Strategies to Increase Flu-Shot Rates at a Large Retail Pharmacy

NCT04590066
View directory record Official record
Conditions
Influenza, Human
Interventions
Flu shot text messages
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
734,383 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

In It To Quit: Commitment Contracts for Smoking Cessation

NCT02596061
View directory record Official record
Conditions
Smoking
Interventions
Deposit Contract, Incentives
Behavioral · Other
Lead sponsor
Community Health Center, Inc.
Industry
Eligibility
18 Years and older
Enrollment
311 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2017
U.S. locations
1
States / cities
Middletown, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 26, 2018 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Not applicable Interventional Results available

NUDGE-EHR Replication Trial at Mass General Brigham

NCT05538065
View directory record Official record
Conditions
Aging, Benzodiazepine Sedative Adverse Reaction, Anticholinergic Adverse Reaction, Adverse Drug Event
Interventions
Follow-up booster Alert, Pre-commitment, Enhanced Alert
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 21, 2025 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Not applicable Interventional Results available

Patient Portal Flu Vaccine Reminders (5)

NCT05525494
View directory record Official record
Conditions
Influenza, Respiratory Tract Infections
Interventions
Text Fixed R/R Messages with Direct Appointment Schedule Link, Text Pre-Appointment Reminder, Portal Pre-Commitment Prompt with Tailored R/R Messages with Direct Appointment Schedule Link, Portal Fixed R/R Messages with Direct Appointment Schedule Link, Portal Pre-Appointment Reminder
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Months and older
Enrollment
262,085 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 7, 2024 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Not applicable Interventional

An Initial Test of Prototype Mobile App Interventions for Decluttering

NCT06108245
View directory record Official record
Conditions
Hoarding
Interventions
Values Clarification Mobile Application, Self-Reflection Mobile Application
Behavioral
Lead sponsor
Mississippi State University
Other
Eligibility
18 Years and older
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Starkville, Mississippi
Source: ClinicalTrials.gov public record
Updated Jan 8, 2025 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Not applicable Interventional Results available

Patient Portal Reminder/Recall for Influenza Vaccination in a Health System- RCT 2

NCT04110314
View directory record Official record
Conditions
Influenza, Respiratory Tract Infections
Interventions
Portal Reminders for Influenza Vaccination: Gain-framed, Portal Reminders for Influenza Vaccination: Loss-framed, Pre-commitment prompt
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
4 Months and older
Enrollment
430,636 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 5, 2022 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Not applicable Interventional Results available

Patient Portal Reminder/Recall for Influenza Vaccination in a Health System- UCLA Portal R/R Influenza RCT 3

NCT04533685
View directory record Official record
Conditions
Influenza, Respiratory Tract Infections
Interventions
Portal Reminders for Influenza Vaccination: Direct scheduling link, Portal Reminders for Influenza Vaccination: No direct scheduling link, Pre-Commitment Prompt, Pre-Appointment flu vaccine reminders
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
4 Months and older
Enrollment
213,773 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 25, 2022 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Not applicable Interventional

A Simple Intervention to Increase Persistence on PrEP in MSM to Improve Decision Making

NCT06476847
View directory record Official record
Conditions
HIV Infections
Interventions
PrEP persistence
Behavioral
Lead sponsor
Boston University
Other
Eligibility
18 Years and older · Male only
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Not applicable Interventional

Behavioral Science and Hepatitis C Screening Outreach

NCT03712553
View directory record Official record
Conditions
Hepatitis C
Interventions
Opt-Out, Letter, Behavioral Economic Messaging, Usual Care Messaging
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
53 Years to 73 Years
Enrollment
21,493 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 1, 2020 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessment of the Predictors and Moderators of Health Behavior Change

NCT03139656
View directory record Official record
Conditions
Health Behaviors
Interventions
Values Clarification, Planning, Combined
Behavioral
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
18 Years and older
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 15, 2018 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Not applicable Interventional

Investigating Two Prototype Mobile App Interventions to Increase Physical Activity

NCT06372275
View directory record Official record
Conditions
Health-Related Behavior
Interventions
Values Clarification Mobile Application, Self-Reflection Mobile Application
Behavioral
Lead sponsor
Mississippi State University
Other
Eligibility
18 Years to 65 Years
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Starkville, Mississippi
Source: ClinicalTrials.gov public record
Updated May 8, 2025 · Synced Oct 21, 2026, 2:59 AM EDT
Enrolling by invitation Not applicable Interventional

Encouraging Older Adults and Adults With Serious Illness to Designate a Health Care Proxy

NCT07290478
View directory record Official record
Conditions
Designating a Healthcare Proxy
Interventions
Mailer, Provider Request, Pre-commitment Prompt
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
20,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Martinez, California
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Not applicable Interventional Results available

Optimizing Electronic Health Record Prompts With Behavioral Economics to Improve Prescribing for Older Adults

NCT04284553
View directory record Official record
Conditions
Aging, Benzodiazepine Sedative Adverse Reaction, Anticholinergic Adverse Reaction, Adverse Drug Event
Interventions
Order Entry, Open Encounter, Follow-up booster Alert, Cold State outreach, Simplified, Sign-off alert, Pre-commitment, Different Risks, Standard Epic Basic Alert, Enhanced Alert
Other
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
216 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Braintree, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 7, 2024 · Synced Oct 21, 2026, 2:59 AM EDT