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ClinicalTrials.gov public records Last synced Oct 17, 2026, 3:28 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 825 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: SMS text messaging Clear all
Recruiting Not applicable Interventional

Texting to Reduce Human Immunodeficiency Virus (HIV) Risk

NCT06088277
View directory record Official record
Conditions
HIV Infections
Interventions
TM HIV, TM HL
Behavioral
Lead sponsor
Boston University
Other
Eligibility
18 Years and older
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 17, 2026, 3:28 PM EDT
Completed Not applicable Interventional

Community-Partnered Participatory Development of Mobile Interventions

NCT02986945
View directory record Official record
Conditions
Depressive Symptoms
Interventions
Resiliency App
Behavioral
Lead sponsor
RAND
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 17, 2019 · Synced Oct 17, 2026, 3:28 PM EDT
Completed Not applicable Interventional Results available

Effectiveness of a Mobile Texting Intervention for People With Serious Mental Illness

NCT03062267
View directory record Official record
Conditions
Schizoaffective Disorder, Schizophrenia, Bipolar Disorder, Major Depressive Disorder
Interventions
Mobile Interventionist
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 99 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
2
States / cities
Chicago, Illinois • Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Nov 9, 2020 · Synced Oct 17, 2026, 3:28 PM EDT
Completed Not applicable Interventional Results available

Secondary Event Prevention Using Population Risk Management After PCI and for Anti-Rheumatic Medications

NCT02694185
View directory record Official record
Conditions
Myocardial Ischemia, Rheumatic Diseases
Interventions
Caplan IVR
Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 95 Years
Enrollment
5,269 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2025
U.S. locations
4
States / cities
San Francisco, California • Aurora, Colorado • Baltimore, Maryland + 1 more
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Oct 17, 2026, 3:28 PM EDT
Completed Not applicable Interventional Results available

Does Framing and Humor Improve the Effectiveness of Messages About COVID-19 Vaccine

NCT05085613
View directory record Official record
Conditions
Beliefs
Interventions
Corrective message framing and humor
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
21 Years to 99 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 21, 2023 · Synced Oct 17, 2026, 3:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Walking Intervention Through Text Messaging

NCT02053259
View directory record Official record
Conditions
Physical Activity, Behavior, Overweight, Motor Activity
Interventions
Adaptive Goals, Reinforcement, Static Goals
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 60 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 22, 2021 · Synced Oct 17, 2026, 3:28 PM EDT
Completed Not applicable Interventional

Text Messaging to Improve Hypertension Medication Adherence in African Americans

NCT01465217
View directory record Official record
Conditions
Hypertension
Interventions
text message medication reminders
Behavioral
Lead sponsor
Wayne State University
Other
Eligibility
18 Years and older
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 16, 2014 · Synced Oct 17, 2026, 3:28 PM EDT
Terminated Not applicable Interventional Results available

PACESETTER: Program to Avoid Cerebrovascular Events Through Systematic Electronic Tracking and Tailoring of an Eminent Risk-factor

NCT03401489
View directory record Official record
Conditions
Blood Pressure, Hypertension, Mhealth
Interventions
PACESETTER
Device
Lead sponsor
Northern California Institute of Research and Education
Other
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
4
States / cities
San Francisco, California • Charleston, South Carolina • Columbia, South Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 11, 2025 · Synced Oct 17, 2026, 3:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Continuing the Conversation: Using Narrative Communication to Support Hypertension Self-management in African American Veterans

NCT03970590
View directory record Official record
Conditions
Hypertension
Interventions
CTC Intervention, Control
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
3
States / cities
Chicago, Illinois • Bedford, Massachusetts • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 3, 2025 · Synced Oct 17, 2026, 3:28 PM EDT
Active, not recruiting Not applicable Interventional

Home Rehabilitation Improves Cardiac Effort in Pulmonary Arterial Hypertension

NCT06477640
View directory record Official record
Conditions
Pulmonary Arterial Hypertension PAH
Interventions
Exercise, Standard of Care
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Oct 17, 2026, 3:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Text Messaging Pilot Study

NCT03281356
View directory record Official record
Conditions
Literacy
Interventions
Intervention Group
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 13, 2017 · Synced Oct 17, 2026, 3:28 PM EDT
Completed Not applicable Interventional

Website Application Based Education and Text Messaging in Improving Skin Wound Care in Patients Undergoing Mohs Surgery

NCT02373722
View directory record Official record
Conditions
Malignant Skin Neoplasm
Interventions
Mohs Surgery, Internet-Based Intervention, Telephone-Based Intervention, Educational Intervention, Exercise Intervention, Petrolatum-Mineral Oil-Lanolin-Ceresin Ointment, Questionnaire Administration, Survey Administration
Procedure · Other · Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 3, 2018 · Synced Oct 17, 2026, 3:28 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Stepped Care for Youth Living With HIV

NCT03109431
View directory record Official record
Conditions
HIV, Mental Health, Illicit Substance Use, Sexually Transmitted Infections (STI)
Interventions
Level 1, Level 2, Level 3
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
12 Years to 24 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
2
States / cities
Los Angeles, California • New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Dec 6, 2022 · Synced Oct 17, 2026, 3:28 PM EDT
Completed Not applicable Interventional

Development of a Tailored Smoking Cessation Program for Individuals With HIV Infection in Washington, D.C.

NCT04594109
View directory record Official record
Conditions
Tobacco Smoking
Interventions
Tailored behavioral counseling, Standard of Care
Behavioral
Lead sponsor
Colorado State University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Apr 19, 2023 · Synced Oct 17, 2026, 3:28 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Community Developed Technology-Based Messaging to Increase COVID-19 Vaccine Uptake Among People Who Inject Drugs

NCT04924803
View directory record Official record
Conditions
Covid19
Interventions
No video, Video Text
Behavioral
Lead sponsor
NDRI-USA, Inc.
Other
Eligibility
18 Years and older
Enrollment
545 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 21, 2025 · Synced Oct 17, 2026, 3:28 PM EDT
Completed Not applicable Interventional

Increasing Treatment for Obesity Among Underserved Populations

NCT05666323
View directory record Official record
Conditions
Obesity
Interventions
Single Text Messaging (TM1), Patient Navigation (PN), Multiple Text Messaging (TM+)
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
200 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 May 31, 2024 · Synced Oct 17, 2026, 3:28 PM EDT
Completed Not applicable Interventional

Using a Patient-Centered mHealth Intervention to Improve Adherence to Oral Anticancer Medications

NCT02833246
View directory record Official record
Conditions
Sarcoma, Lung, Solid Tumor Gastrointestinal
Interventions
SMS/MMS text messaging, usual care
Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 19, 2018 · Synced Oct 17, 2026, 3:28 PM EDT
Completed Not applicable Interventional Results available

Integrating Use of Self-Affirmation Content Into a Mobile App to Promote Quit Attempts With Text-Based Smoking Cessation Intervention Messaging

NCT03027466
View directory record Official record
Conditions
Number of Quit Attempts
Interventions
Self-affirmation induction
Behavioral
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
7,899 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 23, 2021 · Synced Oct 17, 2026, 3:28 PM EDT
Completed Not applicable Interventional Results available

Computer-delivered Screening & Brief Intervention for Marijuana Use in Pregnancy

NCT02191605
View directory record Official record
Conditions
Marijuana Use, Pregnancy
Interventions
eSBIRT, Tailored texting
Behavioral
Lead sponsor
Wayne State University
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Detroit, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 3, 2018 · Synced Oct 17, 2026, 3:28 PM EDT
Active, not recruiting Not applicable Interventional

Eliminating Severe Maternal Morbidity With Heart Health Doulas Trial

NCT05655936
View directory record Official record
Conditions
Preeclampsia, Hypertensive Disorder of Pregnancy, Toxemia, Pregnancy Complications, Hypertension, Pregnancy-Induced, Hypertension, Obesity, Overweight, Nutrition Disorders, Vascular Diseases, Cardiovascular Diseases, Pre-Eclampsia, Eclampsia, Gestational Hypertension
Interventions
Heart Health Doula Intervention Program, Usual Care
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older · Female only
Enrollment
454 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 17, 2026, 3:28 PM EDT
Recruiting Not applicable Interventional

Expanding Exercise Programming for Veterans Through Telehealth

NCT05666167
View directory record Official record
Conditions
Arthritis
Interventions
Group Telehealth Exercise Sessions with text messaging plus booster sessions
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 17, 2026, 3:28 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 17, 2026, 3:28 PM EDT
Completed Phase 2 Interventional

Implementation Intentions for Weight Loss and Dietary Change in College Students With Overweight and Obesity

NCT04105309
View directory record Official record
Conditions
Obesity
Interventions
Implementation Intentions, Fluency Training, Text Messages, Goal Intentions
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
95 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 30, 2019 · Synced Oct 17, 2026, 3:28 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Family Intervention to Prevent Childhood Obesity

NCT05606731
View directory record Official record
Conditions
Childhood Obesity
Interventions
Family-Based Childhood Obesity Intervention
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
2 Years and older
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 10, 2025 · Synced Oct 17, 2026, 3:28 PM EDT