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ClinicalTrials.gov public records Last synced Oct 21, 2026, 7:23 AM EDT

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Showing 289–312 of 459 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Text Messages Clear all
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 21, 2026, 7:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Leveraging Clinic to Promote Literacy in Young Children

NCT04752943
View directory record Official record
Conditions
Literacy
Interventions
Tips By Text Messages
Other
Lead sponsor
Stanford University
Other
Eligibility
3 Years to 5 Years
Enrollment
381 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
San Jose, California
Source: ClinicalTrials.gov public record
Updated Mar 29, 2021 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Smoking Cessation Via Text Messaging: Feasibility Testing of Stop My Smoking USA

NCT01516632
View directory record Official record
Conditions
Smoking Cessation
Interventions
SMS USA
Behavioral
Lead sponsor
Center for Innovative Public Health Research
Other
Eligibility
18 Years to 25 Years
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Santa Ana, California
Source: ClinicalTrials.gov public record
Updated Jun 6, 2016 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Guided Feedback in an Online Game Impacts Decision Making

NCT05925816
View directory record Official record
Conditions
Depressive Symptoms
Interventions
Video, Active game, Neutral game
Behavioral
Lead sponsor
Bard College
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Annandale-on-Hudson, New York
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

VR Smoking Cessation During a Dental Hygiene Visit

NCT04524533
View directory record Official record
Conditions
Smoking Cessation
Interventions
Experimental smoking cessation video, Control video, Brochure of smoking cessation EBTs, Tailored text message program, Assessment text messages
Behavioral · Other
Lead sponsor
Boston University
Other
Eligibility
18 Years and older
Enrollment
440 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 26, 2026 · Synced Oct 21, 2026, 7:23 AM EDT
Recruiting Not applicable Interventional

Nudging Parental Actions for Youth Suicide Prevention

NCT07383714
View directory record Official record
Conditions
Suicide, Suicide Attempt
Interventions
Text-messaging for safety reminders, Text-messaging with safety reminders and risk framing
Other
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
13 Years to 17 Years
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

SMART: A Social and Mobile Weight Control Program for Young Adults

NCT01200459
View directory record Official record
Conditions
Obesity
Interventions
Social/mobile weight loss promotion intervention.
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 35 Years
Enrollment
404 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Dec 8, 2014 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Not applicable Interventional

Text Messaging Intervention to Improve HIV Adherence in Rural Drug Users

NCT01343654
View directory record Official record
Conditions
HIV Infections
Interventions
Text messaging plus EMA, Treatment as usual
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Feb 15, 2018 · Synced Oct 21, 2026, 7:23 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 21, 2026, 7:23 AM EDT
Completed Not applicable Interventional Results available

Vaccine Health Literacy Related Text Message Reminders to Increase Receipt of Second Dose of Influenza Vaccine for Young, Low Income, Urban Children

NCT01662583
View directory record Official record
Conditions
Influenza
Interventions
Text Message, Written reminder
Other
Lead sponsor
Columbia University
Other
Eligibility
6 Months to 9 Years
Enrollment
660 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 7, 2015 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Text Messaging Pediatric Obese Patients

NCT03995394
View directory record Official record
Conditions
Pediatric Obesity
Interventions
Positive Reinforcement Text Message
Other
Lead sponsor
Marsha Ma
Other
Eligibility
13 Years to 18 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Maywood, Illinois
Source: ClinicalTrials.gov public record
Updated Mar 17, 2025 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Not applicable Interventional

Text Messaging Intervention to Improve Retention in Care and Virologic Suppression in an Urban HIV-Infected Population

NCT01917994
View directory record Official record
Conditions
HIV, Patient Adherence, Mobile Technology
Interventions
Text Messages, Appointment Reminders
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 8, 2017 · Synced Oct 21, 2026, 7:23 AM EDT
Terminated Not applicable Interventional Results available

Optimal Intervention to Full Viral Suppression: Text Me, Alexis!

NCT06408350
View directory record Official record
Conditions
HIV
Interventions
Text Me, Alexis!
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years and older · Male only
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Not applicable Interventional

Testing Methods of Self-persuasion Involving Cigarette Smoking

NCT02069483
View directory record Official record
Conditions
Smoking
Interventions
Motivational Interviewing, Tailored Feedback
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 26, 2014 · Synced Oct 21, 2026, 7:23 AM EDT
Recruiting Not applicable Interventional

Mindfulness Texting for Medication Adherence and Chronic Pain Management

NCT07711795
View directory record Official record
Conditions
Opioid Use Disorder (OUD), Chronic Pain
Interventions
Mindfulness text messages
Behavioral
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Not applicable Interventional

Psychotherapeutic Text Messaging for Depression Pilot Study

NCT02872454
View directory record Official record
Conditions
Major Depression
Interventions
Text Messaging
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
190 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Aug 19, 2016 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Text Message Intervention for Alcohol Use and Sexual Violence in College Students

NCT05065918
View directory record Official record
Conditions
Alcohol Use, Unspecified, Sexual Violence, Sexual Assault
Interventions
sexual violence and alcohol use harm reduction text message content, alcohol use reduction content
Behavioral
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years to 24 Years
Enrollment
183 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Oct 17, 2024 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Phase 1 Interventional Results available

Text Messaging to Increase Activity in Midlife

NCT04849052
View directory record Official record
Conditions
Middle Aged
Interventions
MASTERY, Attentional Control
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
45 Years to 64 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 21, 2026, 7:23 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 21, 2026, 7:23 AM EDT
Completed Not applicable Interventional

'Penny', a SMS Text-based Chatbot Intervention for Medication Adherence and Side Effect Management Among Patients With GI Cancers

NCT05113264
View directory record Official record
Conditions
Gastrointestinal Cancer
Interventions
'Penny' via Memora Platform
Device
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 17, 2024 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing Text Messaging to Improve Adherence to Web-Based Cessation Treatment

NCT02585206
View directory record Official record
Conditions
Smoking Cessation
Interventions
Personalization, Integration, Dynamic Tailoring, Message Intensity, Optimal-Adherence Text
Behavioral
Lead sponsor
Truth Initiative
Other
Eligibility
18 Years and older
Enrollment
1,485 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Not applicable Interventional

Text Messaging for Weight Loss

NCT01736111
View directory record Official record
Conditions
Obesity
Interventions
one way text, Personal feedback
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
21 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 10, 2015 · Synced Oct 21, 2026, 7:23 AM EDT
Recruiting Not applicable Interventional

Right-Size Clinic Visits Using Memora Platform for PROMIS

NCT04441567
View directory record Official record
Conditions
Orthopedic Disorders
Interventions
Right-size clinic visits
Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2029
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 21, 2026, 7:23 AM EDT
Completed Not applicable Interventional

Piloting Text Messages to Promote Positive Affect and Physical Activity

NCT04077229
View directory record Official record
Conditions
Acute Coronary Syndrome
Interventions
Intervention arm: Text Message Intervention
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 21, 2020 · Synced Oct 21, 2026, 7:23 AM EDT