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ClinicalTrials.gov public records Last synced Oct 21, 2026, 5:31 PM EDT

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Showing 1–24 of 26 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Text Pre-Appointment Reminder Clear all
Completed Not applicable Interventional

Increasing Screening for Cancer Using EHR-Nudges Replication

NCT06995703
View directory record Official record
Conditions
Breast Cancer
Interventions
Pre-Visit Patient Text Message, Post-Visit Patient Text Messages, Smart Data Element (SDE)
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
40 Years to 74 Years · Female only
Enrollment
8,490 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional

Text Message Appointment Reminders

NCT01676337
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Oct 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Technology and Health Communication in Improving Health Outcomes in Patients Scheduled for Mammography

NCT04290585
View directory record Official record
Conditions
Female Breast Carcinoma, Healthy Subject
Interventions
Questionnaire Administration, Telephone-Based Intervention
Other · Behavioral
Lead sponsor
Fox Chase Cancer Center
Other
Eligibility
Female only
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 2, 2020 · Synced Oct 21, 2026, 5:31 PM EDT
Recruiting Not applicable Interventional

Arrival Time Implementation

NCT07314697
View directory record Official record
Conditions
Primary Care
Interventions
Behaviorally informed appointment communications, Control appointment communications
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
300,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Feb 10, 2026 · Synced Oct 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Meaningful Use of Technology to Improve Health Care Delivery

NCT01641380
View directory record Official record
Conditions
Contraceptive Behavior
Interventions
Text Messaging Intervention
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
13 Years to 21 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 2, 2021 · Synced Oct 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing Gastrointestinal Procedure Appointments

NCT03879616
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 21, 2022 · Synced Oct 21, 2026, 5:31 PM EDT
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, 5:31 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Overcoming Racial Disparities in Screening Mammography

NCT07549139
View directory record Official record
Conditions
Breast Cancer, Cancer of the Breast
Interventions
Appointment mail reminder, Telephone counseling, Digital navigation video, Automated phone call
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
40 Years and older · Female only
Enrollment
176 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional

Midwest TXTXT Scale up of an Evidence-Based Intervention to Promote HIV Medication Adherence

NCT05783297
View directory record Official record
Conditions
HIV Infections
Interventions
Treatment Text (TXTXT), Standard of Care
Behavioral
Lead sponsor
Amy K. Johnson, PhD, MSW
Other
Eligibility
16 Years to 35 Years
Enrollment
210 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
12
States / cities
Fort Lauderdale, Florida • Chicago, Illinois • Indianapolis, Indiana + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Testing Multiple Behavioral Science Strategies to Increase Flu-Shot Rates

NCT04565353
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
74,811 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Danville, Pennsylvania • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 1, 2022 · Synced Oct 21, 2026, 5:31 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Trial of a Social Marketing Campaign to Increase HPV Vaccination Among Mexican American Children

NCT02697396
View directory record Official record
Conditions
HPV Vaccination
Interventions
Assessments, Text Message Reminder, No Text Messaging
Behavioral · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
21 Years and older
Enrollment
181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 21, 2026, 5:31 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Effectiveness of SMS (Short Message Service) Text Messaging in Increasing Adherence to Gardasil

NCT01276184
View directory record Official record
Conditions
HPV Vaccines
Interventions
SMS Text Message
Behavioral
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
12 Years to 26 Years · Female only
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
2
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 14, 2021 · Synced Oct 21, 2026, 5:31 PM 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, 5:31 PM EDT
Completed Not applicable Interventional

Comparing the Effectiveness of Different Appointment Reminder Methods

NCT06767423
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 4, 2025 · Synced Oct 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Empowering Patients' Lung Cancer Screening Uptake

NCT06000683
View directory record Official record
Conditions
Lung Cancer
Interventions
Patient education, Referral to financial navigation resources, Patient Reminders, Provider Reminers
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
50 Years to 80 Years
Enrollment
79 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
7
States / cities
Costa Mesa, California • Irvine, California • Laguna Hills, California + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2026 · Synced Oct 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Efficacy of Reminders to Complete HPV Series

NCT01731496
View directory record Official record
Conditions
Completion of Three Dose Series of HPV, Improvement in Vaccine Intervals Between HPV Doses
Interventions
Telephone reminder, Text Message reminder
Other
Lead sponsor
University of Rochester
Other
Eligibility
10 Years to 21 Years
Enrollment
749 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
3
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Feb 6, 2015 · Synced Oct 21, 2026, 5:31 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Improving Show Rates in Dental Care Settings Serving Underserved Populations

NCT06581250
View directory record Official record
Conditions
Dental Care
Interventions
Reminder Messages, Walk-in Visits, Motivation-enhanced Communication
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 21, 2026, 5:31 PM EDT
Enrolling by invitation Not applicable Interventional

Preventive Reminder Ordering AssistanCe Via Texting for Improved Visit Encounters

NCT07636187
View directory record Official record
Conditions
Behavior, Health
Interventions
Pre-visit and post-visit patient messaging, Default pended order, EHR communication
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
16,416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Oct 21, 2026, 5:31 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Randomized Controlled Trial Examining Health Care Access Interventions for Taxi Drivers

NCT02508363
View directory record Official record
Conditions
Healthcare Access for Taxi Drivers
Interventions
questionnaires
Behavioral
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
21 Years to 85 Years · Male only
Enrollment
756 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 21, 2026, 5:31 PM EDT
Terminated Not applicable Interventional Results available

Patient Portal Flu Vaccine Reminders_RCT 4

NCT05052190
View directory record Official record
Conditions
Influenza, Respiratory Tract Infections
Interventions
Text Message R/R with Direct Appointment Schedule Link, Text Message R/R without Direct Appointment Schedule Link, Text Pre-Appointment Reminder, Portal Message R/R with Direct Appointment Schedule Link, Portal Message R/R without Direct Appointment Schedule Link, Portal Pre-Appointment Reminder
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Months and older
Enrollment
239,567 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 11, 2025 · Synced Oct 21, 2026, 5:31 PM EDT
Not yet recruiting Phase 1 Interventional Accepts healthy volunteers

Decision Support Tool to Integrate PrEP Into Emergency Departments

NCT07279129
View directory record Official record
Conditions
HIV
Interventions
Decision support tool, PrEP Delivery
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Empowering Hispanic Patients' Lung Cancer Screening Uptake (Empower Latinx)

NCT06225414
View directory record Official record
Conditions
Lung Cancer
Interventions
Usual Care, Brief Patient Education, Patient education, Referral to financial navigation resources, Patient Reminders, Provider Reminders
Other · Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
50 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
10
States / cities
Anaheim, California • Costa Mesa, California • Irvine, California + 6 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional

Supporting Transitions to Primary Care Among Under-resourced, Postpartum Women (STEP-UP)

NCT05852054
View directory record Official record
Conditions
Gestational Diabetes Mellitus, Hypertension in Pregnancy, Dysglycemia
Interventions
OB Provider Clinical Decision Support (CDS), Patient Education (OB Visit), Text messaging, Patient Outreach, Primary Care Provider Clinical Decision Support (CDS), Patient Education (Primary Care Visit)
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older · Female only
Enrollment
2,306 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 24, 2026 · Synced Oct 21, 2026, 5:31 PM EDT
Completed Not applicable Interventional

Text -Based Depression Screening Among Cancer Survivors

NCT06894849
View directory record Official record
Conditions
Cancer, Depression Secondary to Other Disease, Cancer Survivor
Interventions
Text-based depression screening, Usual care (UC)
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 21, 2026, 5:31 PM EDT