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Showing 1–24 of 414 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Text Messaging Clear all
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 8, 2024 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional

Text Messages for Liver Transplant Recipients

NCT04995770
View directory record Official record
Conditions
Medication Adherence, Liver Transplant Disorder
Interventions
Praise Text Messages
Behavioral
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
13 Years to 21 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 22, 2021 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Ecological Momentary Assessment and Text Message Intervention for Stress Management

NCT04907942
View directory record Official record
Conditions
Stress, Psychological, Loneliness, Covid19, Stress
Interventions
EMA + EMA and FACE Stress, EMA Alone
Other
Lead sponsor
Click Therapeutics, Inc.
Industry
Eligibility
22 Years and older
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 7, 2025 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional

Improving Primary Care Follow-up for Patients With Pelvic Inflammatory Disease

NCT01299259
View directory record Official record
Conditions
Pelvic Inflammatory Disease
Interventions
Text Message Reminders
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
15 Years and older · Female only
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 27, 2014 · Synced Jul 22, 2026, 2:38 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

A Text Messaging Trial to Test Vaping Health Messages Optimized to Young Adults' Vaping Status

NCT07038317
View directory record Official record
Conditions
Vaping Behaviors, Message Exposure, Young Adults
Interventions
Intervention, Control
Other
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years to 24 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Digitally Prompted Parenting: A Text Message Parent-Based Alcohol Intervention for Incoming College Students

NCT06861660
View directory record Official record
Conditions
Underage Drinking
Interventions
Digitally Prompted Parenting, Active Control
Behavioral
Lead sponsor
Loyola Marymount University
Other
Eligibility
17 Years to 20 Years
Enrollment
276 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional

Evaluation of a Self-Monitoring Intervention to Reduce Safety Behavior in Social Anxiety

NCT05168020
View directory record Official record
Conditions
Social Anxiety
Interventions
Safety Behavior Fading for Social Anxiety, Unhealthy Behavior Fading
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 65 Years
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Dec 11, 2023 · Synced Jul 22, 2026, 2:38 PM EDT
Recruiting Not applicable Interventional

Community Partnership for Telehealth Solutions to Convey Information and Enhance Care

NCT06542835
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Video text message, In-clinic CRC screening promotion, Mailed FIT, Social needs navigation, Reminders
Behavioral
Lead sponsor
University of Arizona
Other
Eligibility
45 Years to 64 Years
Enrollment
6,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Texting Atopic Dermatitis Patients to Optimize Learning and EASI Scores

NCT02779426
View directory record Official record
Conditions
Atopic Dermatitis
Interventions
Text messages
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
Up to 6 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 21, 2017 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional

Assessing Fever Rates in Children Ages 24 to 59 Months After Live Attenuated Influenza Vaccine (LAIV) or Inactivated Influenza Vaccines (IIV) Using Text Messaging for U.S. Influenza Vaccines in 2012-2013 & 2013-2014

NCT01764269
View directory record Official record
Conditions
Fever
Interventions
text message surveillance for fever
Other
Lead sponsor
Columbia University
Other
Eligibility
24 Months to 59 Months
Enrollment
656 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
2
States / cities
Atlanta, Georgia • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 23, 2014 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Integrating Text Messages Into the Mothers and Babies Course

NCT03420755
View directory record Official record
Conditions
Perinatal Depression, Postpartum Depression
Interventions
Mothers and Babies 1-on-1, Mothers and Babies Plus Text
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
16 Years and older · Female only
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 14, 2019 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional Results available

SCALE-UP Utah II: Community-Academic Partnership to Address COVID-19 Text Message Study

NCT05533918
View directory record Official record
Conditions
COVID-19
Interventions
Text-Messaging (TM), Patient Navigation (PN)
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
31,439 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 15, 2025 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional

Texting to Reduce Alcohol Misuse Pilot Trial

NCT05864235
View directory record Official record
Conditions
Alcohol Consumption
Interventions
Control, Goal Support (GS), Coaching for Context-specific Peer Support (CCPS)
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 25 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Nov 21, 2024 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional Results available

Dulce Digital-COVID Aware (DD-CA) Discharge Texting Platform for US/Mexico Border Hispanics With Diabetes + COVID-19

NCT04591015
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Covid19
Interventions
Hospital: DD-CA, Hospital: Usual Care (UC)
Behavioral
Lead sponsor
Scripps Whittier Diabetes Institute
Other
Eligibility
18 Years and older
Enrollment
172 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Chula Vista, California
Source: ClinicalTrials.gov public record
Updated Jun 17, 2025 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional

Improving Memory for Sleep Treatment Content With Text Messages

NCT02961400
View directory record Official record
Conditions
Sleep Wake Disorders
Interventions
PUSH text messages, PULL text messages, TranS-C, PE
Other · Behavioral
Lead sponsor
University of California, Berkeley
Other
Eligibility
10 Years to 18 Years
Enrollment
176 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2018
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Oct 28, 2019 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

CuidaTXT: a Text Message Dementia-caregiver Intervention for Latinos

NCT04316104
View directory record Official record
Conditions
Caregiver Burnout
Interventions
CuidaTXT
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 6, 2022 · Synced Jul 22, 2026, 2:38 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

iSIPsmarter: A Pilot RCT to Evaluate a Web-based Behavioral Intervention to Reduce Sugary Beverages Among Black Adults

NCT06184737
View directory record Official record
Conditions
Diet Habit, Sugar-Sweetened Beverages
Interventions
iSIPsmarter, Patient Education (PE)
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 110 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Jul 22, 2026, 2:38 PM 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 11, 2018 · Synced Jul 22, 2026, 2:38 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Quitxt Mobile Text Messaging Cessation Research Study

NCT05958667
View directory record Official record
Conditions
Smoking Cessation
Interventions
Quitxt text messaging or Chat, Usual care
Behavioral · Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 29 Years
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional Results available

Atlas:Text Messaging Program With Weather Alerts, Local Resources & Insights for Addressing Climate Change

NCT06995755
View directory record Official record
Conditions
Climate Change
Interventions
atlas
Behavioral
Lead sponsor
Pro-Change Behavior Systems
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Narragansett, Rhode Island
Source: ClinicalTrials.gov public record
Updated Jun 25, 2025 · Synced Jul 22, 2026, 2:38 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Feasibility of Text4US Program

NCT05509738
View directory record Official record
Conditions
Reminder Systems, Text Messaging, Urinary Dysfunction, Urinary Bladder, Behavior Change Techniques
Interventions
SMS Text Messaging
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional

Implementing Mobile Technology for Unhealthy Alcohol Use

NCT05350878
View directory record Official record
Conditions
Alcohol Drinking
Interventions
Implementation Intervention
Other
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Sep 4, 2025 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Text-based Interventions to Promote COVID-19 Vaccinations

NCT04800965
View directory record Official record
Conditions
Covid19, Vaccines
Interventions
Patient MyChart Scheduling Link, Patient Educational Video, Enhanced Follow through Message
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
200,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Westwood, Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 12, 2022 · Synced Jul 22, 2026, 2:38 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Examining a Text Message Intervention for Smoking Cessation

NCT01166464
View directory record Official record
Conditions
Tobacco Use Disorder, Nicotine Dependence
Interventions
text messaging for smoking cessation, Generic text messages
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 35 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Feb 2, 2014 · Synced Jul 22, 2026, 2:38 PM EDT