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ClinicalTrials.gov public records Last synced Nov 15, 2026, 7:03 AM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1–24 of 190 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Interactive text messaging Clear all

Conditions: Cardiovascular Diseases, Physical Activity, Diet Modification, Lifestyle Factors
Interventions: FAITH! App; Behavioral
Lead sponsor: Mayo Clinic; Other
Eligibility: 18 Years and older
Enrollment: 85 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2022
U.S. locations: 1
States / cities: Rochester, Minnesota

Conditions: Obesity, Childhood
Interventions: Web-based comic and newsletters, Didactic health information; Other
Lead sponsor: Hunter College of City University of New York; Other
Eligibility: 9 Years to 12 Years
Enrollment: 178 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2018
U.S. locations: 1
States / cities: New York, New York

Conditions: Mental Health, Anxiety, Depression, Well-Being, Psychological
Interventions: Catalina, Control webpage; Behavioral
Lead sponsor: University of California, Los Angeles; Other
Eligibility: 18 Years and older · Female only
Enrollment: 700 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2028
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Obesity, Overweight
Interventions: VA MapTrek, Fitbit Only; Behavioral
Lead sponsor: University of Iowa; Other
Eligibility: 18 Years to 100 Years
Enrollment: 276 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2020
U.S. locations: 1
States / cities: Iowa City, Iowa

Conditions: Obesity, Childhood
Interventions: Web-based comic and newsletters, Didactic health information; Behavioral
Lead sponsor: Tufts University; Other
Eligibility: 8 Years to 12 Years
Enrollment: 40 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2025 – 2026
U.S. locations: 2
States / cities: New York, New York • The Bronx, New York

Conditions: High Food Reinforcement, Overeating, Obesity, Childhood
Interventions: Triple P Parenting Videos, Activity Boxes; Behavioral
Lead sponsor: State University of New York at Buffalo; Other
Eligibility: 4 Years to 5 Years
Enrollment: 33 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2022
U.S. locations: 1
States / cities: Buffalo, New York

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

Conditions: Behavior and Behavior Mechanisms
Interventions: Chat/Text Program, Website Content, Delayed Treatment; Behavioral · Other
Lead sponsor: New York University; Other
Eligibility: 15 Years to 25 Years · Female only
Enrollment: 5,220 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2015 – 2016
U.S. locations: 1
States / cities: New York, New York

Conditions: Inpatient Experience Survey Administration, Inpatient Experience Survey Response, Inpatient Pediatric Care, Inpatient Pediatric Engagement and Shared Decision-Making
Interventions: Text-Only Enrollment Strategy, Text Plus In-Person Enrollment Strategy, Anonymous Safety Reporting with Impact Website, Identified Safety Reporting, Safety Reporting Integration Toolkit; Behavioral · Other
Lead sponsor: University of California, San Francisco; Other
Eligibility: 13 Years and older
Enrollment: 21,800 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2029
U.S. locations: 8
States / cities: Los Angeles, California • Oakland, California • Sacramento, California + 5 more

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

Conditions: Social Anxiety Disorder, Tobacco Use Disorder
Interventions: Phase 1: Web-based intervention (MyWebQuit) with 1-way text messages, Phase 1: Web-based intervention (MyWebQuit) with interactive, 2-way text messages, Phase 2: re-engagement text messages, Phase 2: re-engagement emails; Behavioral
Lead sponsor: Fred Hutchinson Cancer Center; Other
Eligibility: 18 Years and older
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022 – 2024
U.S. locations: 1
States / cities: Seattle, Washington

Conditions: Tobacco-Related Carcinoma
Interventions: Smartphone app-based Intervention, Communication intervention, Survey Administration, Interview, Assessment; Other
Lead sponsor: Fred Hutchinson Cancer Center; Other
Eligibility: 18 Years to 30 Years
Enrollment: 6 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026
U.S. locations: 2
States / cities: Las Cruces, New Mexico • Seattle, Washington

Conditions: Tobacco Use, Tobacco Smoking, Smoking, Cigar, Smoking, Pipe, Smoking, Hookah, Nicotine Dependence
Interventions: BTI, Cigarette smoking military tailored pamphlet, Standard smoking cessation intervention; Behavioral
Lead sponsor: University of Virginia; Other
Eligibility: 18 Years and older
Enrollment: 2,999 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2017 – 2018
U.S. locations: 1
States / cities: Lackland Air Force Base, Texas

Conditions: Health Risk Behaviors, Risk Reduction Behavior
Interventions: Online and Text Messaging Intervention; Behavioral
Lead sponsor: University of North Texas Health Science Center; Other
Eligibility: 18 Years to 24 Years
Enrollment: 162 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2025
U.S. locations: 1
States / cities: Fort Worth, Texas

Conditions: Emergency Service, Hospital
Interventions: Automated interactive messages, Live outreach; Behavioral
Lead sponsor: Geisinger Clinic; Other
Eligibility: 18 Years and older
Enrollment: 1,126 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025
U.S. locations: 1
States / cities: Danville, Pennsylvania

Conditions: Sickle Cell Disease
Interventions: mobile health application; Other
Lead sponsor: Vanderbilt University Medical Center; Other
Eligibility: 18 Years to 70 Years
Enrollment: 67 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2018 – 2023
U.S. locations: 2
States / cities: Columbus, Ohio • Nashville, Tennessee

Conditions: Parenting, Problem Behavior, Premature Birth, Parenting Intervention
Interventions: ezParent, Coaching calls, Active Control; Behavioral
Lead sponsor: Ohio State University; Other
Eligibility: 20 Months and older
Enrollment: 452 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2026
U.S. locations: 3
States / cities: Chicago, Illinois • Columbus, Ohio

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

Conditions: Covid19
Interventions: SMS delivery of information, Personalized text message delivery of information, Interactive or 2-way SMS delivery of information; Behavioral
Lead sponsor: Mayo Clinic; Other
Eligibility: 18 Years and older
Enrollment: 1,722 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021
U.S. locations: 1
States / cities: Scottsdale, Arizona

Conditions: Postpartum Depression, Parenting, Parent-Child Relations, Child Development
Interventions: MoodGym, Social Media-Based Parenting Program; Behavioral
Lead sponsor: Children's Hospital of Philadelphia; Other
Eligibility: 18 Years and older · Female only
Enrollment: 95 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2025
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Health Care Costs, Delivery of Health Care
Interventions: Clinician Coaching Sessions, Personalized text messages to patients; Behavioral · Other
Lead sponsor: VA Office of Research and Development; Federal
Eligibility: 18 Years and older
Enrollment: 600 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026 – 2028
U.S. locations: 1
States / cities: Ann Arbor, Michigan

Conditions: Inactivity
Interventions: Enhanced Physical Activity Intervention, Original Physical Activity Intervention; Behavioral
Lead sponsor: Brown University; Other
Eligibility: 18 Years to 65 Years · Female only
Enrollment: 210 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2022
U.S. locations: 1
States / cities: Providence, Rhode Island

Conditions: Human Immunodeficiency Virus (HIV), Sexually Transmitted Disease (STD)
Interventions: STAND HIV Risk Reduction Intervention, Text Messaging Intervention; Behavioral
Lead sponsor: University of Pennsylvania; Other
Eligibility: 18 Years to 45 Years · Male only
Enrollment: 391 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2011 – 2015
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Prostate Cancer, Erectile Dysfunction Following Radical Prostatectomy, Urinary Incontinence
Interventions: Intensive Fitness Intervention, TRIMM; Behavioral
Lead sponsor: Johns Hopkins University; Other
Eligibility: 40 Years to 65 Years · Male only
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2012 – 2014
U.S. locations: 1
States / cities: Baltimore, Maryland

Search by objective public record fields.

The FAITH! Trial: A mHealth Intervention to Improve Cardiovascular Health Among African-Americans

Intervention INC: Interactive Nutrition Comics for Urban Minority Youth

RCT for Latina Mental Health Using Web-Based Apps

Increasing Steps Per Day in Rural Veterans

Intervention INC: An Interactive Family-centered mHealth Tool to Reduce Obesity Risk in Urban Minority Preadolescents

The Play With Me Study

Text4Diet: A Text Messaging Program for Weight Loss

Evaluating a Digital Health Information Tool

FIQS Dissemination and Implementation

UCLA Health Patient Health Maintenance With Interactive Text Reminder

Adaptive Treatment Strategies for Improving Engagement With a Web-Based Smoking Intervention in Socially Anxious Smokers

A Novel Mobile Health Intervention for Improving Tobacco Cessation Among Young Adults

Evaluation of a Brief Tobacco Intervention in the US Military

Enhancing Quality in Protective Strategies

Nudging High Emergency Department Utilizers to Consider Non-emergent Healthcare Resources

Using Patient-Centered Guidelines in a Technology Platform to Improve Health Care in Adults With Sickle Cell Disease

Parent Training for Parents of Toddlers Born Very Premature:

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

Equitable Access to COVID-19 Vaccines

Social Media-Based Parenting Program for Women With Postpartum Depressive Symptoms: Impact on Child Development

Advancing Decisions About Virtual Service Encounters

Web-based Physical Activity Intervention for Latinas

Steering Together in a New Direction: Reducing the Risk of HIV/STD Among African American Men

Health Interventions in Men Undergoing Radical Prostatectomy