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ClinicalTrials.gov public records Last synced Oct 23, 2026, 5:51 PM EDT

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Showing 1–24 of 162 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Smartphone Text Messaging Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Connecting Alaska Native People to Quit Smoking

NCT03645941
View directory record Official record
Conditions
Tobacco Use, Tobacco Smoking, Tobacco Use Cessation, Smoking Cessation, Smoking, Cigarette, Smoking, Tobacco, Smoking
Interventions
Facebook Group
Behavioral
Lead sponsor
Mayo Clinic
Other
Eligibility
19 Years and older
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 8, 2022 · Synced Oct 23, 2026, 5:51 PM EDT
Active, not recruiting Not applicable Interventional

Optimization of a mHealth Physical Activity Promotion Intervention With Mindful Awareness for AYAO (OPT2MOVE)

NCT05375162
View directory record Official record
Conditions
Cancer
Interventions
Core Intervention, E-Coach, General Mindfulness Training, MVPA-Specific Mindfulness Training, Buddy
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 39 Years
Enrollment
304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Chicago, Illinois • Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 21, 2026 · Synced Oct 23, 2026, 5:51 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Multi-Component Breath Alcohol Intervention Phase 3

NCT06994962
View directory record Official record
Conditions
Alcohol Use, Alcohol Drinking, Drinking Behavior
Interventions
Alcohol-related mobile health technologies, Motivational interview and psychoeducation on blood/breath alcohol concentration, Lower tech facilitation, Higher tech facilitation, Alcohol Education, Alcohol Education Technology
Device · Behavioral
Lead sponsor
Northeastern University
Other
Eligibility
18 Years to 25 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 20, 2026 · Synced Oct 23, 2026, 5:51 PM EDT
Completed Not applicable Interventional Results available

Digital Mental Health Service for Non-Treatment Seeking Young Adults

NCT04948268
View directory record Official record
Conditions
Depression, Anxiety, Suicidal Ideation
Interventions
Adaptive messaging intervention, Non-personalized messaging intervention, Coaching, Psychoeducational links
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 25 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Oct 23, 2026, 5:51 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Randomized Trial on Mobile Technology and Young Drivers' Cellphone Use

NCT05163119
View directory record Official record
Conditions
Cell Phone Use, Automobile Driving
Interventions
Commercial Cellphone-Blocking App (Active), Driving Mode
Behavioral
Lead sponsor
Motao Zhu
Other
Eligibility
18 Years to 24 Years
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 23, 2026, 5:51 PM EDT
Completed Not applicable Interventional Results available

Promoting Breast Cancer Screening in Women Who Survived Childhood Cancer

NCT03435380
View directory record Official record
Conditions
Breast Neoplasms, Early Detection of Cancer
Interventions
Patient activation, Primary care physician activation, Control
Behavioral
Lead sponsor
Duke University
Other
Eligibility
25 Years and older · Female only
Enrollment
314 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
5
States / cities
New York, New York • Durham, North Carolina • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 8, 2023 · Synced Oct 23, 2026, 5:51 PM EDT
Active, not recruiting Not applicable Interventional

StandUPTV Habits: Feasibility Trial for Maintaining Reductions in Sedentary Screen Time

NCT06700525
View directory record Official record
Conditions
Sedentary Behaviors, Screen Time, Physical Activity, Glucose Metabolism, Sleep Quality, HbA1c Level
Interventions
Non-Sedentary Behavior Habit Formation, Sedentary Screen Time Reduction Smartphone App
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
23 Years to 64 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Tempe, Arizona • San Luis Obispo, California
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 23, 2026, 5:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Smartphone-Based Intervention to Improve Colorectal Cancer Screening in African American Men

NCT06052202
View directory record Official record
Conditions
Colorectal Cancer
Interventions
CRC mHealth, Control
Behavioral
Lead sponsor
ISA Associates, Inc.
Other
Eligibility
45 Years to 75 Years · Male only
Enrollment
128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Alexandria, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 2, 2026 · Synced Oct 23, 2026, 5:51 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Study of the Effect on Clinical Outcomes Using Secure Text Messaging

NCT02568514
View directory record Official record
Conditions
Congestive Heart Failure, Diabetes, Renal Failure, Copd
Interventions
Secure text messaging
Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 10, 2017 · Synced Oct 23, 2026, 5:51 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 23, 2026, 5:51 PM EDT
Completed Not applicable Interventional

Remote Gamified Sensory Perceptual Training for Patients With Fibromyalgia: a Feasibility Trial

NCT04919525
View directory record Official record
Conditions
Fibromyalgia
Interventions
TrainPain
Device
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years to 65 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 16, 2022 · Synced Oct 23, 2026, 5:51 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Optimizing an Evidence-Based, Disseminable, Free Internet-Based Parenting Program

NCT05689736
View directory record Official record
Conditions
Parenting Practices
Interventions
Motivational Enhancement, Simplification, Gamification, Low Engagement Nudges, Essentials for Parenting Toddlers and Pre-schoolers (EFP)
Behavioral
Lead sponsor
New York University
Other
Eligibility
18 Years to 99 Years
Enrollment
859 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Oct 23, 2026, 5:51 PM EDT
Completed Not applicable Interventional

Individual Patient Exposure and Response in Pediatric Lupus

NCT04358302
View directory record Official record
Conditions
Systemic Lupus Erythematosus
Interventions
Pillsy
Behavioral
Lead sponsor
Duke University
Other
Eligibility
5 Years to 17 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 15, 2024 · Synced Oct 23, 2026, 5:51 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Libre Del Cigarrillo: Development of an mHealth Smoking Cessation App to Extend Reach of a Validated Smoking Cessation Intervention for Spanish-speaking Smokers

NCT07754448
View directory record Official record
Conditions
Smoking Cessation
Interventions
Libre del Cigarrillo Smartphone App, Libre del Cigarrillo Printed Booklets, SmokefreeTXT en Español
Behavioral
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Oct 23, 2026, 5:51 PM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Smart Walk: A Culturally Tailored Smartphone-Delivered Physical Activity Intervention for African American Women

NCT06337708
View directory record Official record
Conditions
Physical Activity, Exercise, Heart Diseases, Diabetes Mellitus, Physical Inactivity
Interventions
Smart Walk, Fitbit
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
24 Years to 65 Years · Female only
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jul 17, 2026 · Synced Oct 23, 2026, 5:51 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Applying mHealth to Tobacco-related Health Disparities

NCT03404596
View directory record Official record
Conditions
Smoking Cessation
Interventions
Nicotine Patch, Counseling, Smartphone, AutoSense
Drug · Behavioral · Other
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 11, 2023 · Synced Oct 23, 2026, 5:51 PM EDT
Recruiting Not applicable Interventional

Improving Needs Among Older Adults

NCT06588556
View directory record Official record
Conditions
Critical Illness, Palliative Care, Older Adults, Informal Caregivers, Care Delivery Model
Interventions
ICUconnect, Usual care
Behavioral · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
4
States / cities
Birmingham, Alabama • New York, New York • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Oct 23, 2026, 5:51 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

GETSmart: Guided Education and Training Via Smart Phones to Promote Resilience

NCT02170194
View directory record Official record
Conditions
Subthreshold PTSD
Interventions
Resilience Enhancement Training via Smart Phone, Daily Text Messages
Behavioral
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 1, 2016 · Synced Oct 23, 2026, 5:51 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Learning and Improving Alzheimer's Patient-Caregiver Relationships Via Smart Healthcare Technology

NCT04536701
View directory record Official record
Conditions
Alzheimer Disease, Caregiver Stress Syndrome
Interventions
Mood Monitoring and Behavioral Recommendation System
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
21 Years to 99 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 6, 2025 · Synced Oct 23, 2026, 5:51 PM EDT
Completed Not applicable Interventional

An M-Health Intervention in Rural Veterans

NCT03720054
View directory record Official record
Conditions
Veterans, Obesity, Overweight
Interventions
MapTrek, Fitbit
Behavioral
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 100 Years
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Apr 26, 2019 · Synced Oct 23, 2026, 5:51 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Randomized Controlled Physical Activity App Intervention for Black Women

NCT07114900
View directory record Official record
Conditions
Physical Activity
Interventions
PA4Health app physical activity intervention, Wellness Text Messaging Program
Behavioral
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years to 64 Years · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated Sep 3, 2025 · Synced Oct 23, 2026, 5:51 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

The Increasing Mindfulness Engagement Project

NCT07170202
View directory record Official record
Conditions
Healthy Participants, Feasibility Studies, Acceptability
Interventions
Mindfulness Smartphone Application
Other
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 29 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 23, 2026, 5:51 PM EDT
Completed Not applicable Interventional Results available

A Mobile Health Intervention in Pulmonary Arterial Hypertension

NCT03069716
View directory record Official record
Conditions
Pulmonary Arterial Hypertension, Idiopathic Pulmonary Arterial Hypertension, Heritable Pulmonary Arterial Hypertension, Associated Pulmonary Arterial Hypertension
Interventions
Smartphone Text Messaging, Fitbit Charge HR
Device
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 25, 2021 · Synced Oct 23, 2026, 5:51 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Mobile Motivation for Health Promotion Among Adolescents

NCT02504658
View directory record Official record
Conditions
Diabetes
Interventions
Lifestyle text messages, Attention Control Group
Behavioral
Lead sponsor
BodiMojo, Inc.
Other
Eligibility
16 Years to 22 Years
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 22, 2015 · Synced Oct 23, 2026, 5:51 PM EDT