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Showing 1–18 of 18 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Text Message Reminder/Recall Clear all
Completed Not applicable Interventional

HPV Centralized R/R RCT #2 - New York State

NCT03294551
View directory record Official record
Conditions
Vaccines
Interventions
HPV Vaccine Reminder Recall - Autodialer, HPV Vaccine Reminder Recall - Texting
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
11 Years to 14 Years
Enrollment
37,003 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 26, 2021 · Synced Sep 7, 2026, 5:26 AM EDT
Completed Not applicable Interventional

Evaluation of the School Kids Influenza Prevention Project

NCT03307642
View directory record Official record
Conditions
Childhood Influenza Vaccination, School-located Influenza Vaccination
Interventions
Text message notification
Other
Lead sponsor
University of Rochester
Other
Eligibility
4 Years to 19 Years
Enrollment
18,540 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Mar 11, 2018 · Synced Sep 7, 2026, 5:26 AM EDT
Terminated Not applicable Interventional Results available

Reminders Through Association & Prescription Adherence

NCT03697083
View directory record Official record
Conditions
Medication Adherence
Interventions
Reminders Through Association, Active Control, Baseline Control
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
777 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 5, 2019 · Synced Sep 7, 2026, 5:26 AM EDT
Completed Not applicable Interventional

Impact of Home Exercise Delivery on Compliance & Outcomes for Musculoskeletal Pain

NCT03470753
View directory record Official record
Conditions
Chronic Pain, Compliance, Patient, Chronic Low Back Pain, Knee Pain Chronic
Interventions
Number of Exercises, Type of Instruction, Delivery Type, Mobile Reminder
Other
Lead sponsor
Dan Rhon
Federal
Eligibility
18 Years to 65 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Sep 7, 2026, 5:26 AM EDT
Completed No phase listed Observational

GlowCaps Adherence Randomized Control Trial

NCT01756001
View directory record Official record
Conditions
Medical Adherence
Interventions
GlowCap, Daily email, text message, or phone call reminders, Paid for adherence
Device · Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 84 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 8, 2017 · Synced Sep 7, 2026, 5:26 AM EDT
Completed Not applicable Interventional

Text Message Reminder-Recalls For Early Childhood Vaccination

NCT01199666
View directory record Official record
Conditions
Vaccination
Interventions
Text message
Other
Lead sponsor
Columbia University
Other
Eligibility
9 Months to 50 Years
Enrollment
2,586 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 24, 2014 · Synced Sep 7, 2026, 5:26 AM EDT
Completed Not applicable Interventional

Adolescent Vaccination in the Medical Home: Established and Innovative Strategies

NCT01577979
View directory record Official record
Conditions
Immunization Rate
Interventions
Text Message Reminder/Recall, Parent Preference
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
11 Years to 17 Years
Enrollment
34,581 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 25, 2015 · Synced Sep 7, 2026, 5:26 AM EDT
Completed Not applicable Interventional

Centralized Reminder Recall - Flu RCT2

NCT03294473
View directory record Official record
Conditions
Influenza, Human, Orthomyxoviridae Infections, RNA Virus Infections, Virus Disease, Respiratory Tract Infections, Respiratory Tract Disease, Vaccines, Physiological Effects of Drugs
Interventions
R/R - Autodialers, R/R - Texting, R/R - mailed postcard
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
6 Months to 17 Years
Enrollment
70,190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 4, 2019 · Synced Sep 7, 2026, 5:26 AM EDT
Not listed Not applicable Interventional

COVID-19 Booster Dose Reminder/Recall for Adolescents

NCT05571657
View directory record Official record
Conditions
COVID-19 Vaccines
Interventions
Reminder/Recall Sent Via Preferred Method of Communication
Behavioral
Lead sponsor
Marshfield Clinic Research Foundation
Other
Eligibility
12 Years to 17 Years
Enrollment
4,304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Marshfield, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 12, 2022 · Synced Sep 7, 2026, 5:26 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 10, 2025 · Synced Sep 7, 2026, 5:26 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 Jan 31, 2021 · Synced Sep 7, 2026, 5:26 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 10, 2025 · Synced Sep 7, 2026, 5:26 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 6, 2024 · Synced Sep 7, 2026, 5:26 AM EDT
Completed Not applicable Interventional

Self-Management Using Text Messaging in a Homeless Population

NCT03034993
View directory record Official record
Conditions
Chronic Disease
Interventions
Text Messaging
Behavioral
Lead sponsor
Boston University
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 2, 2019 · Synced Sep 7, 2026, 5:26 AM EDT
Recruiting Not applicable Interventional

ReMARK: Addressing Disparities in Rural HPV-related Cancer Prevention

NCT06535139
View directory record Official record
Conditions
Papillomavirus Vaccines
Interventions
Brief training, Parent-targeted motivational aids, Healthcare access
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
8 Years to 99 Years
Enrollment
4,630 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 8, 2025 · Synced Sep 7, 2026, 5:26 AM EDT
Completed Not applicable Interventional

Targeting Metabolic Syndrome From the Emergency Department Through Mixed-Methods: Pilot Trial

NCT07119658
View directory record Official record
Conditions
Hypertension, Hyperglycemia, Dyslipidemia, Metabolic Syndrome, Obesity &Amp; Overweight, Diabetes, Hyperlipidemia, Emergency Medicine
Interventions
Composite intervention to address MetS
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Sep 7, 2026, 5:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving Future Thinking Among Mothers to Reduce Harsh Parenting and Improve Child Outcomes

NCT05229146
View directory record Official record
Conditions
Behavioral Health
Interventions
Episodic Future Thinking
Behavioral
Lead sponsor
Henry Ford Health System
Other
Eligibility
Female only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Flint, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 13, 2025 · Synced Sep 7, 2026, 5:26 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Integrating Primary & Secondary Interventions for Cervical Cancer Prevention in Primary Care Settings

NCT03033550
View directory record Official record
Conditions
HPV-Related Carcinoma
Interventions
brief negotiated mobile application
Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
9 Years to 17 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 8, 2018 · Synced Sep 7, 2026, 5:26 AM EDT