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ClinicalTrials.gov public records Last synced Oct 20, 2026, 10:05 PM EDT

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Showing 169–192 of 459 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Text Messages Clear all
Completed Not applicable Interventional

Sequential EHR Based Interventions to Increase Genetic Testing for Breast and Ovarian Cancer Predisposition

NCT05721326
View directory record Official record
Conditions
Genetic Predisposition to Disease, Breast Cancer Female, Ovarian Cancer, Hereditary Breast and Ovarian Cancer, Hereditary Cancer Syndrome, Hereditary Diseases, Gene Mutation-Related Cancer
Interventions
Sequential EHR Communications
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
25 Years to 100 Years · Female only
Enrollment
1,283 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 20, 2026, 10:05 PM EDT
Terminated Not applicable Interventional

Text-Enabled Ascertainment and Community Linkage for Health

NCT04058301
View directory record Official record
Conditions
Emergency Medicine
Interventions
Text message information
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 25, 2023 · Synced Oct 20, 2026, 10:05 PM 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, 10:05 PM EDT
Completed Not applicable Interventional Results available

Text 2 Connect- Texting Intervention for Mental Health Treatment Utilization

NCT04560075
View directory record Official record
Conditions
Depression, Suicidal Ideation
Interventions
Text2Connect, Psychoeducational Videos (PE) Only
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
3
States / cities
McMurray, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 19, 2023 · Synced Oct 20, 2026, 10:05 PM 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, 10:05 PM EDT
Active, not recruiting Not applicable Interventional

Text Message Safety Behavior Fading for Pathological Worry

NCT07391020
View directory record Official record
Conditions
Generalized Anxiety Disorder (GAD), Worrying, Anxiety
Interventions
Safety Behavior Fading for Pathological Worry, Progressive Muscle Relaxation (PMR)
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 65 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Sep 28, 2026 · Synced Oct 20, 2026, 10:05 PM EDT
Recruiting Not applicable Interventional

Design and Feasibility of an SMS-based Safety Planning Intervention

NCT07365579
View directory record Official record
Conditions
Suicidal Ideation and Behavior
Interventions
Text Messaging based Safety Planning Intervention, Facilitated Referral to Crisis Resources
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 24 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Oct 20, 2026, 10:05 PM EDT
Completed Not applicable Interventional

A Prolonged Nightly Fasting for Men on ADT for PCa

NCT07462403
View directory record Official record
Conditions
Prostate Cancer
Interventions
Prolonged Nightly Fasting (PNF+), Healthy Diet Text Messaging
Behavioral
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older · Male only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 20, 2026, 10:05 PM EDT
Completed Not applicable Interventional Results available

mActive: A Blinded, Randomized mHealth Activity Trial

NCT01917812
View directory record Official record
Conditions
Physical Activity
Interventions
Digital Activity Tracker, Smart Text Messaging
Device · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 69 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 23, 2017 · Synced Oct 20, 2026, 10:05 PM EDT
Completed Not applicable Interventional

Text Message Vaccine Reminders for Adolescents With Chronic Medical Conditions

NCT02231957
View directory record Official record
Conditions
Vaccination
Interventions
educational text message reminders, conventional text message reminders
Other
Lead sponsor
Columbia University
Other
Eligibility
11 Years and older
Enrollment
416 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 30, 2017 · Synced Oct 20, 2026, 10:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Positive Psychotherapy for Smoking Cessation Enhanced With Text Messaging: A Randomized Controlled Trial

NCT02997657
View directory record Official record
Conditions
Smoking Cessation
Interventions
Positive Psychotherapy, Standard smoking cessation counseling
Behavioral
Lead sponsor
Brown University
Other
Eligibility
18 Years and older
Enrollment
271 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
2
States / cities
Boston, Massachusetts • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 1, 2023 · Synced Oct 20, 2026, 10:05 PM EDT
Completed Not applicable Interventional Results available

iQuit Mindfully: Text Messaging for Smoking Cessation

NCT03029819
View directory record Official record
Conditions
Cigarette Smoking
Interventions
Mindfulness-based Addiction Treatment, iQuit Mindfully, Self-Help guide, Nicotine Patch
Behavioral · Drug
Lead sponsor
Georgia State University
Other
Eligibility
18 Years to 65 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 8, 2019 · Synced Oct 20, 2026, 10:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Improving Adherence With Oral Contraceptives Using Daily Text Messaging Reminders

NCT00733707
View directory record Official record
Conditions
Oral Contraceptive Pill Adherence
Interventions
Text messaging reminders
Behavioral
Lead sponsor
Planned Parenthood League of Massachusetts
Other
Eligibility
14 Years and older · Female only
Enrollment
82 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 18, 2016 · Synced Oct 20, 2026, 10:05 PM EDT
Completed Not applicable Interventional

Text Message Intervention to Improve Adherence in Adolescents and Young Adults With Celiac Disease

NCT02458898
View directory record Official record
Conditions
Celiac Disease
Interventions
Educational Text Message Reminders
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
12 Years to 24 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated May 27, 2016 · Synced Oct 20, 2026, 10:05 PM EDT
Completed Phase 4 Interventional Results available

Gabapentin for Pain Control After Osmotic Dilator Insertion and Prior to D&E Procedure: a Randomized Controlled Trial

NCT03080493
View directory record Official record
Conditions
Abortion, Induced, Cervical Preparation, Pain
Interventions
Gabapentin 600mg, Placebo oral capsule, acetaminophen/codeine and ibuprofen
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Female only
Enrollment
121 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Oct 20, 2026, 10:05 PM EDT
Completed Not applicable Interventional

Text-message Support to Improve Oral Antibiotic Adherence After ED Discharge

NCT01388465
View directory record Official record
Conditions
Medication Adherence
Interventions
Mobile phone text messaging
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 21, 2012 · Synced Oct 20, 2026, 10:05 PM EDT
Completed Phase 2 Interventional

Text-message Program to Reduce Risky Sexual Behavior in Young Adult Female Emergency Department (ED) Patients

NCT01548183
View directory record Official record
Conditions
Education, Sex
Interventions
Lifestyle counseling
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 27, 2015 · Synced Oct 20, 2026, 10:05 PM EDT
Completed Not applicable Interventional Results available

eHealth Partnered Evaluation Initiative - Evaluation of the Initial Deployment of VA's Annie Texting System

NCT03898349
View directory record Official record
Conditions
Hepatitis C
Interventions
Annie text messaging system, Annie text messaging system with Usual implementation, Annie text messaging system with Augmented implementation
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Bedford, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced Oct 20, 2026, 10:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

MI With Text Messaging to Reduce Sexual Risk and Hazardous Drinking Among MSM

NCT03755661
View directory record Official record
Conditions
Alcohol; Harmful Use, Sex, Unsafe
Interventions
MI&TXT4MSM
Behavioral
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
21 Years to 50 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 6, 2021 · Synced Oct 20, 2026, 10:05 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 29, 2025 · Synced Oct 20, 2026, 10:05 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Testing the Effects of a Text Message Caregiver Support Intervention for Latinos

NCT06728436
View directory record Official record
Conditions
Alzheimer Disease
Interventions
CuidaTEXT
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 100 Years
Enrollment
288 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Fairway, Kansas
Source: ClinicalTrials.gov public record
Updated Dec 11, 2025 · Synced Oct 20, 2026, 10:05 PM EDT
Completed Not applicable Interventional

Text Message Safety Behavior Fading for Appearance Concerns

NCT05612425
View directory record Official record
Conditions
Body Dysmorphic Disorders, Social Anxiety Disorder, Eating Disorders
Interventions
Safety Behavior Fading for Appearance Concerns, Unhealthy Behavior Fading
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Oct 20, 2026, 10:05 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Boost Intentions and Facilitate Action to Promote COVID-19 Booster Take-up

NCT05586204
View directory record Official record
Conditions
COVID-19, Vaccines
Interventions
Eligibility reminder, Link to a narrow set of vaccine venues, Link to a broad set of vaccine venues, Doctors' recommendation and value of vaccine
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
154,977 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 9, 2024 · Synced Oct 20, 2026, 10:05 PM EDT
Completed Not applicable Interventional

Text-Messaging to Motivate Walking in Older African Americans

NCT01697475
View directory record Official record
Conditions
Physical Activity, Motor Activity
Interventions
Motivational text messaging
Behavioral
Lead sponsor
Georgetown University
Other
Eligibility
60 Years to 85 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 2, 2012 · Synced Oct 20, 2026, 10:05 PM EDT