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ClinicalTrials.gov public records Last synced Oct 22, 2026, 2:09 AM EDT

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Showing 1–24 of 64 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Appointment Reminder Message Clear all
Completed Not applicable Interventional Results available

Effect of Varied Outreach Methods on Appointment Scheduling, Appointment Completion, and Receipt of MMR Vaccination

NCT04567342
View directory record Official record
Conditions
Preventable Disease, Vaccine, Health Care Utilization
Interventions
1 automated message, 2 automated messages, No personal contact attempt, 1 personal contact attempt
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
12 Months to 4 Years
Enrollment
1,312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 12, 2024 · Synced Oct 22, 2026, 2:09 AM EDT
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 22, 2026, 2:09 AM 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 22, 2026, 2:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Southeast Asian Women's Health Project

NCT04086771
View directory record Official record
Conditions
Breast Cancer, Cervical Cancer
Interventions
Navigation, Information only
Behavioral · Other
Lead sponsor
Ohio State University
Other
Eligibility
21 Years and older · Female only
Enrollment
194 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 16, 2025 · Synced Oct 22, 2026, 2:09 AM 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 22, 2026, 2:09 AM EDT
Completed Not applicable Interventional

Study of Adolescent Immunization Recall Systems

NCT01390363
View directory record Official record
Conditions
Immunization, Reminder Systems
Interventions
Parent Only Phone Call, Parent and Adolescent Phone Call
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
13 Years to 17 Years · Female only
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 13, 2017 · Synced Oct 22, 2026, 2:09 AM 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 22, 2026, 2:09 AM EDT
Completed Not applicable Interventional Results available

Nudging Patients to Increase Shingles Vaccination

NCT06238726
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 22, 2026, 2:09 AM 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 22, 2026, 2:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Engaging Seronegative Youth to Optimize HIV Prevention Continuum

NCT03134833
View directory record Official record
Conditions
HIV, Mental Health, Substance Use, STI
Interventions
Automated Messaging & Monitoring, Peer Support, Coaching
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
12 Years to 24 Years
Enrollment
1,478 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
2
States / cities
Los Angeles, California • New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 5, 2022 · Synced Oct 22, 2026, 2:09 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Population Health Management -Increase Lung Cancer Screening in Community Health Centers (LungSMART)

NCT07599943
View directory record Official record
Conditions
Lung Cancer
Interventions
Text Messages (TM+), Chatbot (CA), Video (VID), Reactive Patient Navigation (RPN), Proactive Patient Navigation (PPN)
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
50 Years to 80 Years
Enrollment
18,894 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 22, 2026, 2:09 AM 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 22, 2026, 2:09 AM EDT
Completed Not applicable Interventional

Prehabilitation Intervention to Maximize Early Recovery (PRIMER) in Liver Transplantation

NCT03584646
View directory record Official record
Conditions
Liver Diseases, End Stage Liver Disease, Frailty
Interventions
Nokia GO Wearable StepTracker, Medication Reminder, Weekly Check-in appointment with study team or provider
Device · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 95 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 11, 2023 · Synced Oct 22, 2026, 2:09 AM EDT
Completed Not applicable Interventional

Improving Follow-Up Adherence in a Primary Eye Care Setting

NCT02001129
View directory record Official record
Conditions
Eye Diseases
Interventions
Automated Telephone System, Personalized Telephone Call, Usual Care
Behavioral
Lead sponsor
Wills Eye
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 29, 2016 · Synced Oct 22, 2026, 2:09 AM EDT
Completed Not applicable Interventional

Effect of a Secure Message Reminder on Hypertension Follow-up at an Integrated Health Care System

NCT01952119
View directory record Official record
Conditions
Hypertension
Interventions
Secure message reminder
Other
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years to 75 Years
Enrollment
182 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 27, 2013 · Synced Oct 22, 2026, 2:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

PatientCareAnywhere Internet-Based Software in Improving Communication and Education in Patients With Cancer and Their Healthcare Providers

NCT02408406
View directory record Official record
Conditions
Bladder Carcinoma, Breast Carcinoma, Colorectal Carcinoma, Lung Carcinoma, Malignant Female Reproductive System Neoplasm, Malignant Neoplasm
Interventions
Communication Intervention, Educational Intervention, Internet-Based Intervention, Quality-of-Life Assessment, Questionnaire Administration
Other
Lead sponsor
City of Hope Medical Center
Other
Eligibility
21 Years and older
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2024
U.S. locations
1
States / cities
Duarte, California
Source: ClinicalTrials.gov public record
Updated Jun 27, 2024 · Synced Oct 22, 2026, 2:09 AM 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 22, 2026, 2:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Contraceptive Choice at the Time of Uterine Evacuation

NCT02836561
View directory record Official record
Conditions
Contraception
Interventions
Telephone message
Other
Lead sponsor
Planned Parenthood League of Massachusetts
Other
Eligibility
18 Years and older · Female only
Enrollment
234 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 18, 2017 · Synced Oct 22, 2026, 2:09 AM EDT
Completed Not applicable Interventional Results available

Patient Portal Flu Vaccine Reminders_RCT 5 (LADHS)

NCT05535777
View directory record Official record
Conditions
Influenza, Respiratory Tract Infections
Interventions
Enhanced texts with Callback by a Person, Enhanced Bidirectional Texts
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Months and older
Enrollment
246,295 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 11, 2025 · Synced Oct 22, 2026, 2:09 AM EDT
Completed Not applicable Interventional

MyChart in Patients With Inflammatory Bowel Disease.

NCT03241992
View directory record Official record
Conditions
Inflammatory Bowel Diseases
Interventions
MyChart Disease Specific
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 28, 2019 · Synced Oct 22, 2026, 2:09 AM 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 22, 2026, 2:09 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Prompt to Bundle COVID-19 Booster and Flu Shot

NCT05586165
View directory record Official record
Conditions
COVID-19, Vaccines
Interventions
Reminder to boost protection against COVID-19, Flu Tag Along, COVID-19 Booster & Flu Bundle
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
109,493 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 5, 2024 · Synced Oct 22, 2026, 2:09 AM EDT
Not yet recruiting Not applicable Interventional

Preoperative Outreach to Improve Surgical Attendance

NCT07644819
View directory record Official record
Conditions
Urology
Interventions
Preoperative Outreach
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
68 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 22, 2026, 2:09 AM EDT
Completed Not applicable Interventional

UCLA Health Patient Health Maintenance With Interactive Text Reminder

NCT05791955
View directory record Official record
Conditions
Health Maintenance, Diabetes, Cancer
Interventions
Reminder of preventive care measures, Acknowledgement of personal responsibility, Planning prompt
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
10,751 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 2, 2025 · Synced Oct 22, 2026, 2:09 AM EDT