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Showing 1–24 of 163 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Mobile phone text messaging Clear all
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 4, 2012 · Synced Sep 11, 2026, 2:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of a Mobile Phone and Educational Intervention

NCT06878898
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Asthma COPD
Interventions
Education and mobile phone text-messaging, Education only
Behavioral · Other
Lead sponsor
Kent State University
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Kent, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 16, 2025 · Synced Sep 11, 2026, 2:23 AM EDT
Completed Not applicable Interventional Results available

A Mobile Health Intervention to Achieve Appropriate Gestational Weight Gain in Overweight/Obese Women

NCT03880461
View directory record Official record
Conditions
Gestational Weight Gain
Interventions
Lifestyle Intervention
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
21 Years to 45 Years · Female only
Enrollment
1,335 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
4
States / cities
Oakland, California • Redwood City, California • San Francisco, California + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 11, 2026, 2:23 AM EDT
Completed Not applicable Interventional Results available

mDiet - Ecological Momentary Intervention of Diet Via Mobile Technology

NCT00415870
View directory record Official record
Conditions
Overweight
Interventions
Printed Material, Weekly Weighing, Cell phone will serve as a self monitoring device, Text Message, Diet Goals via Cell Phone, Food Monitoring
Behavioral · Device
Lead sponsor
University of California, San Diego
Other
Eligibility
25 Years to 55 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Apr 29, 2019 · Synced Sep 11, 2026, 2:23 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Initiative for Chinese Sex Workers to Promote Wellbeing and Improve HIV Prevention by Reducing intersEctional Stigma

NCT07103525
View directory record Official record
Conditions
HIV Prevention, Wellbeing
Interventions
INSPIRE Initiative, Standard of Care
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older · Female only
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
3
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 28, 2026 · Synced Sep 11, 2026, 2:23 AM EDT
Recruiting Not applicable Interventional

Stroke and CPAP Outcome Study 3 Randomized Controlled Trial

NCT06722755
View directory record Official record
Conditions
Stroke Patients, CPAP, OSA - Obstructive Sleep Apnea
Interventions
CPAP device, CPAP technical support, Phone follow-up for adherence feedback and self-management skills, myAir, Tailored messages, Written Materials, Motivational Enhancement Therapy (MET)
Device · Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Downey, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 11, 2026, 2:23 AM 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 10, 2023 · Synced Sep 11, 2026, 2:23 AM EDT
Completed Not applicable Interventional

Adapting the HITSystem to Support Prevention of Mother-to-child HIV Transmission

NCT02726607
View directory record Official record
Conditions
HIV
Interventions
HIV Infant Tracking System (HITSystem) 2.0, Standard of PMTCT care
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older · Female only
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2020
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 31, 2020 · Synced Sep 11, 2026, 2:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluation of an Interactive Mobile Phone-Based Brief Intervention to Reduce Substance-Impaired Driving

NCT05537116
View directory record Official record
Conditions
Driving Impaired
Interventions
Personalized feedback, Personalized feedback and text messages, Information Only
Behavioral
Lead sponsor
Western Kentucky University
Other
Eligibility
18 Years to 29 Years
Enrollment
149 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Bowling Green, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 11, 2026, 2:23 AM EDT
Completed Not applicable Interventional

Improving Health-Promoting Behaviors in Adolescent Cancer Survivors Using AWAKE: A Feasibility Trial

NCT03564587
View directory record Official record
Conditions
Health Behavior
Interventions
AWAKE
Behavioral
Lead sponsor
Emory University
Other
Eligibility
13 Years to 17 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Dec 7, 2021 · Synced Sep 11, 2026, 2:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

UV Exposure Assessed With Wearable Sensor and Sun Protection

NCT03344796
View directory record Official record
Conditions
Sunburn, Erythema, Sun Protection
Interventions
Goal attainment
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 70 Years
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 26, 2023 · Synced Sep 11, 2026, 2:23 AM EDT
Completed Not applicable Interventional

Adaptive Intervention for Adolescents Following Inpatient Psychiatric Care

NCT05282225
View directory record Official record
Conditions
Suicide, Suicide, Attempted, Suicidal Ideation, Self Harm
Interventions
MI- Safety Plan, Texts messages, Monitoring, Portal follow-up, Booster call
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
13 Years to 17 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
3
States / cities
Ann Arbor, Michigan • Detroit, Michigan • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 11, 2026, 2:23 AM EDT
Completed Not applicable Interventional Results available

Self-Management App for Patients With Left-Ventricular Assist Devices

NCT03049748
View directory record Official record
Conditions
Heart Failure
Interventions
Mobile phone app (VAD Care App), Usual LVAD Care
Device · Other
Lead sponsor
University of Michigan
Other
Eligibility
21 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
3
States / cities
St Louis, Missouri • Lincoln, Nebraska • New York, New York
Source: ClinicalTrials.gov public record
Updated Jun 15, 2020 · Synced Sep 11, 2026, 2:23 AM EDT
Completed Not applicable Interventional Results available

Mobile Medication Adherence Platform for Buprenorphine-Naloxone During Treatment of Opioid Use Disorder: Phase I Study

NCT04656899
View directory record Official record
Conditions
Opioid-use Disorder
Interventions
Reminders messages to improve adherence.
Behavioral
Lead sponsor
Washington State University
Other
Eligibility
18 Years to 60 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Spokane, Washington
Source: ClinicalTrials.gov public record
Updated Mar 13, 2023 · Synced Sep 11, 2026, 2:23 AM EDT
Completed Not applicable Interventional Results available

Lifestyle Intervention for Young Adults With Serious Mental Illness

NCT02815813
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder, Bipolar Disorder, Major Depressive Disorder, Overweight, Obesity
Interventions
PeerFIT, BEAT
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years to 35 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
2
States / cities
New Britain, Connecticut • Nashua, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jan 13, 2025 · Synced Sep 11, 2026, 2:23 AM EDT
Not listed Not applicable Interventional

The Cheeky Study: A Novel Delivery System for CAB-RPV LA

NCT05979714
View directory record Official record
Conditions
HIV Infections
Interventions
Patient-centered injection site, Patient-centered adherence support, Provider education, Improved clinic communication strategies
Other · Behavioral
Lead sponsor
Public Health Foundation Enterprises, Inc.
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Aug 4, 2024 · Synced Sep 11, 2026, 2:23 AM EDT
Completed Not applicable Interventional

Integrated Population Program for Diabetic Kidney Disease

NCT02418091
View directory record Official record
Conditions
Diabetic Kidney Disease, Uncontrolled Hypertension
Interventions
Telehealth
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 75 Years
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 20, 2016 · Synced Sep 11, 2026, 2:23 AM 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 15, 2017 · Synced Sep 11, 2026, 2:23 AM EDT
Completed Not applicable Interventional Results available

Improving Follow-Up for Discharged Emergency Care Patients

NCT03002311
View directory record Official record
Conditions
General Medicine, Emergency Medicine, Mobile Health
Interventions
Epharmix/CareSignal eHealth
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
5 Years and older
Enrollment
327 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 23, 2020 · Synced Sep 11, 2026, 2:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

mHealth to Enhance & Sustain Drug Use Reduction of the QUIT BI in Primary Care

NCT04935606
View directory record Official record
Conditions
Drug Use
Interventions
Usual Care, QUIT Intervention (doctor brief advice, video doctor, health coaching sessions at 2- and 6-weeks), QUIT-Mobile (QUIT Intervention plus weekly mobile-web app or text message weekly self-monitoring, automated feedback over 12 months)
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
457 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
5
States / cities
Long Beach, California • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 11, 2026, 2:23 AM EDT
Completed Not applicable Interventional Results available

Cell Phone Support to Promote Medication Adherence Among Adolescents and Young Adults With Chronic Illness

NCT04241627
View directory record Official record
Conditions
Medication Adherence
Interventions
Cell Phone Support
Behavioral
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
15 Years to 21 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 7, 2024 · Synced Sep 11, 2026, 2:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Parent-targeted Mobile Phone Based Intervention to Increase Physical Activity in Children (P-Mobile)

NCT01551108
View directory record Official record
Conditions
Physical Activity
Interventions
Intervention: limited behavioral strategies, Intervention: advanced behavioral strategies
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
6 Years to 10 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated May 2, 2016 · Synced Sep 11, 2026, 2:23 AM EDT
Completed Not applicable Interventional

mHealth Messages to Sustain Recent Weight Loss - Phase 2

NCT02279017
View directory record Official record
Conditions
Weight Loss
Interventions
mHealth Texting for Weight Loss
Behavioral
Lead sponsor
Duke University
Other
Eligibility
18 Years to 100 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 25, 2017 · Synced Sep 11, 2026, 2:23 AM EDT
Completed Not applicable Interventional Results available

Mobile Phone Support for Adults and Support Persons to Live Well With Diabetes

NCT04347291
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
FAMS 2.0, Print Materials
Behavioral
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
638 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jan 16, 2024 · Synced Sep 11, 2026, 2:23 AM EDT