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ClinicalTrials.gov public records Last synced Oct 20, 2026, 5:16 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 47 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Text message appointment reminder Clear all
Completed Not applicable Interventional Accepts healthy volunteers

SMS Maama Project COVID-19

NCT04739462
View directory record Official record
Conditions
Pregnancy Complications, Birth Injuries
Interventions
mHealth Platform
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older · Female only
Enrollment
248 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 14, 2022 · Synced Oct 20, 2026, 5:16 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 20, 2026, 5:16 AM 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 20, 2026, 5:16 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 20, 2026, 5:16 AM EDT
Enrolling by invitation Not applicable Interventional

Colorectal Cancer Screening Preventive Reminder Ordering AssistanCe Via Texting for Improved Visit Encounters

NCT07636174
View directory record Official record
Conditions
Behavior, Health
Interventions
Post-visit patient messaging
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
3,888 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 20, 2026, 5:16 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 20, 2026, 5:16 AM EDT
Withdrawn Early Phase 1 Interventional

Adherence to Otezla

NCT05601492
View directory record Official record
Conditions
Psoriasis
Interventions
Otezla - Standard Care, Reminder Text Intervention with apremilast, Extended Consultation for apremilast
Drug · Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years to 85 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated May 29, 2025 · Synced Oct 20, 2026, 5:16 AM 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 20, 2026, 5:16 AM EDT
Completed Not applicable Interventional Results available

Lottery Incentive Nudges to Increase Influenza Vaccinations

NCT05012163
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 30, 2024 · Synced Oct 20, 2026, 5:16 AM EDT
Recruiting Not applicable Interventional

A Mobile Patient Health Technology Intervention for Improving Lung Cancer Screening Rates in Eligible High Risk Patients

NCT07322367
View directory record Official record
Conditions
Lung Cancer
Interventions
Portal Message with Reminder Text Messages, Text Message with Reminder Text Messages, Portal message only, Usual Care
Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
50 Years to 77 Years
Enrollment
27,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 25, 2026 · Synced Oct 20, 2026, 5:16 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 20, 2026, 5:16 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 20, 2026, 5:16 AM EDT
Not listed Early Phase 1 Interventional

Automated SMS-Based Appointment Validation Tool

NCT01671189
View directory record Official record
Conditions
Diabetes Mellitus Type 2, Adult-onset Diabetes
Interventions
SMS Reminder Software Tool
Other
Lead sponsor
Medic Mobile
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Mateo, California
Source: ClinicalTrials.gov public record
Updated Aug 23, 2012 · Synced Oct 20, 2026, 5:16 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 20, 2026, 5:16 AM 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 20, 2026, 5:16 AM 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 20, 2026, 5:16 AM 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 20, 2026, 5:16 AM EDT
Completed Not applicable Interventional

Default Bulk Ordering and Text Messaging to Enhance Outreach for Lipid Screening (Missing Lipids)

NCT05724615
View directory record Official record
Conditions
Atherosclerotic Cardiovascular Disease
Interventions
Outreach + Bulk ordering, Outreach + Bulk ordering + Text Based Reminders and Scheduling assistance
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
20 Years to 75 Years
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 5, 2024 · Synced Oct 20, 2026, 5:16 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 20, 2026, 5:16 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 20, 2026, 5:16 AM 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 20, 2026, 5:16 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving Vaccine Acceptance Through EHR Integrated Patient- and Provider-Facing Decision Support

NCT06482450
View directory record Official record
Conditions
Vaccine Hesitancy, Vaccine Refusal
Interventions
LetsTalkShots (patient-facing CDS), LetsTalkShots (provider-facing CDS), Appointment Reminder Message
Other
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
Not listed
Enrollment
3,600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 20, 2026, 5:16 AM 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 20, 2026, 5:16 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 20, 2026, 5:16 AM EDT