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ClinicalTrials.gov public records Last synced Oct 20, 2026, 5:53 AM EDT

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Showing 25–48 of 459 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Text Messages Clear all
Completed Not applicable Interventional Results available

A Trial of AI-Powered Text Message Outreach on Well-Child Visit Completion

NCT06698640
View directory record Official record
Conditions
Well Child Visit, Gaps in Care
Interventions
Automated SMS, Automated SMS + Conversational AI Scheduling Assistance, Traditional Passive Outreach
Behavioral · Other
Lead sponsor
Waymark
Industry
Eligibility
0 Years to 21 Years
Enrollment
2,821 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 20, 2026, 5:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

"Working for You" Workplace Obesity Intervention

NCT02934113
View directory record Official record
Conditions
Obesity, Diabetes
Interventions
iOTA, HWPP
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
1,283 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced Oct 20, 2026, 5:53 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Girl2Girl: A Web-based Trial

NCT04809155
View directory record Official record
Conditions
Pregnancy Prevention
Interventions
Girl2Girl
Behavioral
Lead sponsor
Center for Innovative Public Health Research
Other
Eligibility
14 Years to 18 Years · Female only
Enrollment
574 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
San Clemente, California
Source: ClinicalTrials.gov public record
Updated Mar 22, 2021 · Synced Oct 20, 2026, 5:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Alcohol Intervention for First Year College Students

NCT03750838
View directory record Official record
Conditions
Underage Alcohol Use
Interventions
Text Messaging Intervention
Behavioral
Lead sponsor
University of North Texas Health Science Center
Other
Eligibility
18 Years to 19 Years
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Jan 19, 2024 · Synced Oct 20, 2026, 5:53 AM EDT
Not listed Not applicable Interventional

Mobile Health Technology as an Intervention for Diabetes Self-Management

NCT01546844
View directory record Official record
Conditions
Type II Diabetes Mellitus
Interventions
Participation in Care4Life
Other
Lead sponsor
HealthInsight
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
30
States / cities
Coalville, Utah • Draper, Utah • Holladay, Utah + 11 more
Source: ClinicalTrials.gov public record
Updated Sep 5, 2012 · Synced Oct 20, 2026, 5:53 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, 5:53 AM EDT
Completed Not applicable Interventional

Text4Vax: Text Message Reminders for Pediatric COVID-19 and Influenza Vaccines 2024-25 Season

NCT06603090
View directory record Official record
Conditions
Influenza, COVID-19, Vaccination Hesitancy
Interventions
Text message influenza vaccine reminders, Text message COVID-19 vaccine reminders, Text message influenza and COVID-19 vaccine reminders
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
6 Months to 17 Years
Enrollment
66,147 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
4
States / cities
Itasca, Illinois • New York, New York • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 11, 2025 · Synced Oct 20, 2026, 5:53 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Improving Physical Activity Participation in Latinas With Mindfulness

NCT06848335
View directory record Official record
Conditions
Inactivity, Inactivity/Low Levels of Exercise, Inactivity, Physical
Interventions
Remote Physical Activity Intervention, Mindfulness Enhanced Remote Physical Activity Intervention, Attention Matched Enhanced Remote PA intervention
Behavioral
Lead sponsor
Bess Marcus
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
258 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Oct 20, 2026, 5:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

txt2protect: Using Text Messaging to Increase HPV Vaccination Among Young Sexual Minority Men

NCT02994108
View directory record Official record
Conditions
Human Papillomavirus
Interventions
txt2protect, Sexual Health Control
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 25 Years · Male only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 20, 2020 · Synced Oct 20, 2026, 5:53 AM EDT
Completed Not applicable Interventional Results available

Text-based Intervention to Minimize the Time Burden of Routine Cancer Care

NCT05134636
View directory record Official record
Conditions
Cancer, Solid Tumor, Patient Empowerment, Telemedicine
Interventions
Text triage
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced Oct 20, 2026, 5:53 AM EDT
Completed Not applicable Interventional

Improving Quality of Life Using Patient Reported Outcomes Measures Post-operative Via Text Messaging

NCT04852471
View directory record Official record
Conditions
Gynecologic Cancer
Interventions
Standard Post-Operative Counseling + FACT-G, PROM symptom tracker
Behavioral
Lead sponsor
University of Michigan Rogel Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 11, 2023 · Synced Oct 20, 2026, 5:53 AM EDT
Not listed Not applicable Interventional

A Cognitive Behavioral Therapy-Based Text Message Intervention for Methamphetamine Dependence

NCT01899313
View directory record Official record
Conditions
Amphetamine-Related Disorders
Interventions
CBT- based SMS text messaging intervention, CBT group therapy
Behavioral
Lead sponsor
California Pacific Medical Center Research Institute
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
2
States / cities
Lafayette, California • San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 14, 2014 · Synced Oct 20, 2026, 5:53 AM EDT
Recruiting Not applicable Interventional

Text Education About Cardiovascular Health and HIV (TEACH-HIV)

NCT05642858
View directory record Official record
Conditions
HIV, Human Immunodeficiency Virus, Cardiovascular Diseases, Atherosclerosis
Interventions
Digital Educational Messaging
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
40 Years and older
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 8, 2025 · Synced Oct 20, 2026, 5:53 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

A Pilot Study of a Remote ADHD Monitoring Program

NCT06743425
View directory record Official record
Conditions
Attention-deficit/Hyperactivity Disorder, ADHD
Interventions
RAMP Reports, Digital Education Handouts
Other
Lead sponsor
IDeA States Pediatric Clinical Trials Network
Network
Eligibility
5 Years to 11 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
2
States / cities
Jackson, Mississippi • Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Oct 20, 2026, 5:53 AM EDT
Not yet recruiting Not applicable Interventional

Developing an Intervention to Optimize Virtual Care Adoption for COPD Management

NCT05986214
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease
Interventions
VC-OPTIONS
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
40 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2028
U.S. locations
2
States / cities
Bedford, Massachusetts • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 29, 2026 · Synced Oct 20, 2026, 5:53 AM EDT
Recruiting Not applicable Interventional

Text-based Support for Parents of Adolescents Following an Emergency Department Visits

NCT06660199
View directory record Official record
Conditions
Suicide
Interventions
Text-based intervention
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
13 Years and older
Enrollment
420 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Ann Arbor, Michigan • Flint, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Oct 20, 2026, 5:53 AM EDT
Completed Not applicable Interventional

ICanSTEP : Increasing Physical Activity With Text Messaging

NCT02627079
View directory record Official record
Conditions
A Diagnosis of Any Hematologic or Solid Malignancy
Interventions
Daily SMS text messaging
Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 10, 2021 · Synced Oct 20, 2026, 5:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

PREVENT HPV-Related Cancers - BootCamp Translation

NCT06290206
View directory record Official record
Conditions
HPV Vaccination, Vaccine; Uptake, Vaccination; Series Completion
Interventions
PREVENT - BCT
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 18, 2025 · Synced Oct 20, 2026, 5:53 AM EDT
Completed Not applicable Interventional Results available

Utilizing Text Messaging to Improve Vehicle Safety Among At-Risk Young Adults

NCT03833713
View directory record Official record
Conditions
Risk Reduction
Interventions
SMS Dialogue, SMS Assessments
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 25 Years
Enrollment
218 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 9, 2024 · Synced Oct 20, 2026, 5:53 AM EDT
Terminated Not applicable Interventional

Text Message Intervention to Improve Cardiac Rehab Participation

NCT03346278
View directory record Official record
Conditions
Myocardial Infarction, Percutaneous Coronary Intervention, Coronary Artery Bypass Surgery, Heart Valve Repair or Replacement, Heart Transplant, Left Ventricular Assist Device, Chronic Stable Angina, Chronic Stable Heart Failure
Interventions
Text Messaging Intervention
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
21 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 12, 2018 · Synced Oct 20, 2026, 5:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

BabySTEPs: Supportive Texts to Empower Parents

NCT04719390
View directory record Official record
Conditions
Alcohol Drinking
Interventions
Text Message
Behavioral
Lead sponsor
The National Center on Addiction and Substance Abuse at Columbia University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 29, 2025 · Synced Oct 20, 2026, 5:53 AM EDT
Recruiting Not applicable Interventional

Help Texts Grief Intervention for Bereaved College Students

NCT07228260
View directory record Official record
Conditions
Bereavement
Interventions
list of resources for grief, text-based intervention for grief
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
126 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 14, 2025 · Synced Oct 20, 2026, 5:53 AM EDT
Recruiting Not applicable Interventional

Texts for Diabetes Control Among Homeless Persons

NCT05616026
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
Intervention, Attention Control
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
21 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Washington D.C., District of Columbia • New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Oct 20, 2026, 5:53 AM EDT
Completed Not applicable Interventional

Using a Motivational Interviewing (MI) Informed Text Messaging Program to Lower Blood Sugar in Diabetic Patients.

NCT02012478
View directory record Official record
Conditions
Type II Diabetes Mellitus
Interventions
MI- informed SMS program
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 90 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 26, 2018 · Synced Oct 20, 2026, 5:53 AM EDT