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ClinicalTrials.gov public records Last synced Jun 26, 2026, 12:31 AM EDT

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Showing 1–5 of 5 matching trials from the live ClinicalTrials.gov search.
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Conditions
Appointment Reminders
Interventions
Text Message + Automated Caller (Intervention)
Behavioral
Lead sponsor
M. Kit Delgado, MD
Other
Eligibility
18 Years and older
Enrollment
32,925 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers Results available

Using Behavioral Economics to Enhance Appointment Reminders and Reduce Missed Visits

NCT03850431
Conditions
Appointment Reminders
Interventions
Social Norms + Behavioral Instructions, Caring + Consequences for Others + Behavioral Instructions, Caring + Consequences for Self + Behavioral Instructions, Caring + Consequences for Others + Consequences for Self + Social Norms + Behavioral Instructions
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
34,516 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Portland, Oregon
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing Gastrointestinal Procedure Appointments

NCT03879616
Conditions
Gastrointestinal Disease
Interventions
An Enhanced Reminder
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
21 Years to 120 Years
Enrollment
15,974 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Aurora, Colorado
Completed Not applicable Interventional Accepts healthy volunteers

Email-based Reminders Promoting Recommended Pediatric Preventative Visits

NCT05317884
Conditions
Immunization Programs
Interventions
Reminder
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
1,186 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Danville, Pennsylvania
Completed Not applicable Interventional

Text Message Appointment Reminders

NCT01676337
Conditions
Text Messages, Emergencies
Interventions
Text message appointment reminder
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
374 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Los Angeles, California