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ClinicalTrials.gov public records Last synced Oct 25, 2026, 5:09 PM EDT

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Showing 169–192 of 1,883 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Text- Messaging Clear all
Completed Not applicable Interventional

Improving Electronic Written Communication in Aphasia

NCT03773419
View directory record Official record
Conditions
Aphasia
Interventions
Texting Intervention (T-WRITE), HandWriting Intervention (ORLA+WTG)
Behavioral
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
2
States / cities
Chicago, Illinois • Harrisonburg, Virginia
Source: ClinicalTrials.gov public record
Updated Oct 26, 2022 · Synced Oct 25, 2026, 5:09 PM EDT
Completed Not applicable Interventional

Youth Engagement Study: Intervention to Increase HIV Treatment Engagement and Adherence for Young People Living With HIV

NCT03665532
View directory record Official record
Conditions
HIV/AIDS
Interventions
Youth Engagement in Services
Behavioral
Lead sponsor
University of Connecticut
Other
Eligibility
16 Years to 35 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 29, 2021 · Synced Oct 25, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

COVID-19 Booster Readiness Survey

NCT05529030
View directory record Official record
Conditions
Vaccination Refusal
Interventions
Salience of Omicron variant, Self-protection message, Other-protection message
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
12,036 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 30, 2022 · Synced Oct 25, 2026, 5:09 PM EDT
Completed Not applicable Interventional

UCLA Health Patient Health Maintenance Text Reminder July 2023

NCT05979987
View directory record Official record
Conditions
Health Maintenance, Diabetes, Cancer
Interventions
Reminder of preventive care measures, Persuasion via anecdote, Persuasion via anecdote without link, Persuasion via research
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
6,894 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 25, 2026, 5:09 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Low Dose Computed Tomography for Lung Cancer Screening

NCT03084835
View directory record Official record
Conditions
Smoking
Interventions
Usual Care, WEB+TXT, WEB+TXT+TTS
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 29, 2019 · Synced Oct 25, 2026, 5:09 PM EDT
Completed Not applicable Interventional

Adult Influenza Vaccination Text Message Reminders

NCT01942824
View directory record Official record
Conditions
Influenza Vaccination
Interventions
Text Messages
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
7,250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 24, 2014 · Synced Oct 25, 2026, 5:09 PM EDT
Not listed Not applicable Interventional

Using a mHealth Intervention to Promote Physical Activity in Phase III Cardiac Rehabilitation Clients

NCT05795036
View directory record Official record
Conditions
Cardiac Rehabilitation, Physical Activity
Interventions
mHealth 1, mHealth 2
Device
Lead sponsor
AdventHealth University
Other
Eligibility
18 Years to 99 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Orlando, Florida
Source: ClinicalTrials.gov public record
Updated Jul 12, 2024 · Synced Oct 25, 2026, 5:09 PM EDT
Completed Not applicable Interventional Results available

SCALE-UP Utah II: Community-Academic Partnership to Address COVID-19 Conversational Agent Study

NCT05533359
View directory record Official record
Conditions
COVID-19
Interventions
Text-Messaging (TM), Conversational Agent (CA), Patient Navigation (PN)
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
2,117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 15, 2025 · Synced Oct 25, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effective Ads for Quitting Smoking

NCT06485479
View directory record Official record
Conditions
Smoking Behaviors
Interventions
Intervention ads, Control ads
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
21 Years and older
Enrollment
1,236 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 3, 2025 · Synced Oct 25, 2026, 5:09 PM EDT
Completed Not applicable Interventional

Evaluating Within-Person and Between-Person Effects Of A Personalized Normative Feedback Intervention On Drinking As They Are Moderated By Self-Determination

NCT03583515
View directory record Official record
Conditions
Alcohol Drinking
Interventions
Alcohol-Specific Personalized Normative Feedback, Social Media Personalized Normative Feedback
Behavioral
Lead sponsor
University of Houston
Other
Eligibility
18 Years and older
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 2, 2020 · Synced Oct 25, 2026, 5:09 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of High-Intensity Exercise to Attenuate Cognitive Function Limitations and Train Exercise Habits in Older People Living With HIV

NCT06013579
View directory record Official record
Conditions
HIV Infections, Cognitive Impairment
Interventions
Phase 1 Gym Exercise HIIT, Phase 1 Gym Exercise CME, Phase 2 Home Exercise Coaching Text Messages, Phase 2 Home Exercise Control Text Messages
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
50 Years to 80 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
3
States / cities
Birmingham, Alabama • Aurora, Colorado • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 8, 2025 · Synced Oct 25, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influenza and Text Messaging in Pregnancy

NCT01248520
View directory record Official record
Conditions
Pregnancy
Interventions
influenza and general health information, general health information
Other
Lead sponsor
University of Pittsburgh
Other
Eligibility
14 Years to 50 Years · Female only
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 13, 2018 · Synced Oct 25, 2026, 5:09 PM EDT
Completed Not applicable Interventional

Enhanced SUPport for Initiation and paRticipation in a FOOD is Medicine Program

NCT06500962
View directory record Official record
Conditions
Cardiac Rehabilitation, Nutrition, Healthy, Nutrition Poor
Interventions
Usual Care, Navigation, Text Messaging
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 5, 2026 · Synced Oct 25, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Text4Diet: A Text Messaging Program for Weight Loss

NCT01571258
View directory record Official record
Conditions
Text Messaging (Intervention), Control
Interventions
Text Messaging
Behavioral
Lead sponsor
Santech, Inc
Industry
Eligibility
21 Years to 65 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 5, 2012 · Synced Oct 25, 2026, 5:09 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 22, 2017 · Synced Oct 25, 2026, 5:09 PM EDT
Recruiting Not applicable Interventional

Sleep Better, Live Better Study

NCT07862348
View directory record Official record
Conditions
Sleep Hygiene, Sleep Duration, Health Behavior, Self Efficacy, Sleep
Interventions
Sleep Better, Live Better
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
25 Years to 65 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 25, 2026, 5:09 PM EDT
Completed Not applicable Interventional

Mobile Health (mHealth) Black Women With Breast Cancer

NCT02463474
View directory record Official record
Conditions
Breast Neoplasms
Interventions
mHealth Intervention
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
21 Years and older · Female only
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jan 16, 2017 · Synced Oct 25, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Breathe Easier II: A Dyad-based Multiple Behavior Intervention

NCT05956782
View directory record Official record
Conditions
Lung Cancer, Nonsmall Cell, COPD, Self-Management, Physical Inactivity, Stress, Quality of Life
Interventions
Breathe Easier
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
21 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Oct 25, 2026, 5:09 PM EDT
Active, not recruiting Not applicable Interventional

Increasing HPV Vaccination in Pediatric, Adolescent, and Young Adult (PAYA) Cancer Survivors

NCT05665543
View directory record Official record
Conditions
Cancer, HPV Associated Cancer
Interventions
GLAm app
Behavioral
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
9 Years to 26 Years
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 25, 2026, 5:09 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Get Fruved: Obesity Prevention for Older Adolescents

NCT02941497
View directory record Official record
Conditions
Obesity
Interventions
Social marketing and health promotion campaign
Behavioral
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
Up to 24 Years
Enrollment
5,800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
7
States / cities
Gainesville, Florida • Manhattan, Kansas • Orono, Maine + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2020 · Synced Oct 25, 2026, 5:09 PM EDT
Completed Not applicable Interventional Results available

Uncontrolled Hypertension Among the Homeless

NCT05187013
View directory record Official record
Conditions
Hypertension
Interventions
mHealth for Hypertension in Homeless Persons
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
21 Years and older
Enrollment
123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Oct 27, 2025 · Synced Oct 25, 2026, 5:09 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Getting Asian Americans INFORMED to Facilitate COVID-19 Testing and Vaccination

NCT04893265
View directory record Official record
Conditions
Educational Activities
Interventions
Text Messaging Only, INFORMED
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
247 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
3
States / cities
Fresno, California • San Francisco, California • San Jose, California
Source: ClinicalTrials.gov public record
Updated May 14, 2025 · Synced Oct 25, 2026, 5:09 PM EDT
Completed Not applicable Interventional Results available

MyDiaText Text Messaging Intervention for Diabetes

NCT02927639
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
MyDiaText
Other
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
12 Years to 18 Years
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 9, 2021 · Synced Oct 25, 2026, 5:09 PM 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 25, 2026, 5:09 PM EDT