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Showing 1–24 of 132 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Smartphone-based intervention messages Clear all
Recruiting Not applicable Interventional

Sun Exposure and Activities After Skin Cancer: Optimization of mHealth Interventions

NCT07556380
View directory record Official record
Conditions
Melanoma (Skin Cancer)
Interventions
UV Real-Time Alerts, Track Your Sun Protection, Current Conditions, Health Coaching, Action Planning, Core Components
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Chicago, Illinois • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

RCT for Innovating Stress-related eHealth

NCT05305235
View directory record Official record
Conditions
Posttraumatic Stress Disorder, Sexual Assault, Pain
Interventions
RISE Guide, Relaxation Control
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older · Female only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Austin, Texas
Source: ClinicalTrials.gov public record
Updated Mar 4, 2025 · Synced Sep 5, 2026, 4:22 PM EDT
Not yet recruiting Not applicable Interventional

Integrated Digital Health Approach to Reduce Hazardous Alcohol Use and Chronic Pain Among Rural Populations

NCT07804914
View directory record Official record
Conditions
Chronic Pain, Unhealthy Alcohol Use
Interventions
Mobile Intervention for Alcohol and Pain, Control Intervention
Behavioral
Lead sponsor
Boston University Charles River Campus
Other
Eligibility
18 Years and older
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2030
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 5, 2026, 4:22 PM EDT
Not yet recruiting Not applicable Interventional

AI-Enhanced App-based Intervention for Adolescent E-cigarette Cessation

NCT06965296
View directory record Official record
Conditions
Nicotine Dependence, Cigarettes
Interventions
AI-enhanced smartphone app, AI-enhanced smartphone app, but with delayed access
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
14 Years to 20 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Sep 5, 2026, 4:22 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 19, 2026 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Promoting Healthy Brain Development: Wellness for 2 Study

NCT05052281
View directory record Official record
Conditions
Prenatal Stress
Interventions
Mothers and Babies (MB) Course, Just in Time Intervention (JITI) Content, Biostamp nPoint Device
Behavioral · Device
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 65 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 18, 2025 · Synced Sep 5, 2026, 4:22 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

A Behavioral Application for Improving Smoking Cessation Among Smokers

NCT07493252
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Smartphone app-based Intervention (Actify! A app), Smartphone app-based Intervention (Actify! B app), Health Promotion and Education, Survey Administration
Behavioral · Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
1,812 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 11, 2026 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Developing Dynamic Theories for Behavior Change

NCT04043650
View directory record Official record
Conditions
Physical Activity
Interventions
HeartSteps
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 65 Years
Enrollment
97 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 23, 2022 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Smartphone Based Smoking Cessation Intervention

NCT03740490
View directory record Official record
Conditions
Smoking Cessation
Interventions
Smart-T + NRT, QuitGuide + NRT
Combination Product
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years and older
Enrollment
454 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Aug 16, 2025 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Not applicable Interventional

Project IntERact V2

NCT05109325
View directory record Official record
Conditions
Firearm Violence, Firearm Carriage, Injury Prevention
Interventions
IntERact
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
16 Years to 30 Years
Enrollment
373 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
3
States / cities
Ann Arbor, Michigan • Flint, Michigan • Saginaw, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Enhanced Stress Resilience Training for Critical Care Nurses

NCT05905991
View directory record Official record
Conditions
Job Stress, Burnout
Interventions
Enhanced Stress Resilience Training
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
Not listed
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Feb 27, 2024 · Synced Sep 5, 2026, 4:22 PM EDT
Recruiting Not applicable Interventional

Using Tailored mHealth Strategies to Promote Weight Management Among Adolescent and Young Adult Cancer Survivors

NCT06848491
View directory record Official record
Conditions
Obesity, Cancer, Physical Activity, Cancer Survivorship, Diet
Interventions
AYA WELL Intervention, Self-Guided
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years to 39 Years
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 23, 2026 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Brief App-based Mobile Health and Well-being Intervention Among Middle-aged Adults

NCT04272138
View directory record Official record
Conditions
Meditation, Control Group
Interventions
Calm Meditation, Educational Podcast Control
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
40 Years to 64 Years
Enrollment
83 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 27, 2022 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The YourMove Study: Optimizing Individualized and Adaptive mHealth Interventions Via Control Systems Engineering Methods

NCT05598996
View directory record Official record
Conditions
Inactivity, Physical, Sedentary Behavior
Interventions
COT-Based Intervention
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
25 Years to 80 Years
Enrollment
386 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Promoting Quality of Life Among Young Adult Cancer Survivors

NCT03446105
View directory record Official record
Conditions
Cancer
Interventions
App-based behavioral intervention, Attention control group
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 39 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
Atlanta, Georgia • Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Aug 9, 2018 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Companion: Sensor-based Two-way Communication for Physical Activity in Older Adults

NCT04827212
View directory record Official record
Conditions
Exercise, Physical Activity
Interventions
Companion
Behavioral
Lead sponsor
Northeastern University
Other
Eligibility
60 Years to 90 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 2, 2024 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Patient-Clinician Communication Skill Training: A Mobile Education Initiative

NCT05100979
View directory record Official record
Conditions
Communication, Patient Engagement
Interventions
The Art of Medicine Series
Other
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 17, 2023 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Not applicable Interventional Results available

Dynamically Tailored Behavioral Interventions in Diabetes

NCT04226027
View directory record Official record
Conditions
Type 2 Diabetes
Interventions
T2.coach
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years to 65 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Not applicable Interventional Results available

iTransition Development

NCT04383223
View directory record Official record
Conditions
Human Immunodeficiency Virus, HIV Seropositivity
Interventions
iTransition
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
3
States / cities
Atlanta, Georgia • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 12, 2025 · Synced Sep 5, 2026, 4:22 PM EDT
Not listed Not applicable Interventional

LinkPositively+ A Mobile Health App Delivered Intervention to Improve HIV Care Outcomes Among Black Women Affected by Mental Health and Violence

NCT06458660
View directory record Official record
Conditions
HIV/AIDS, Mental Health Issue
Interventions
LPP+: Mindfulness Meditation Delivered, LP
Behavioral
Lead sponsor
Guiding Right, Inc.
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
3
States / cities
Oklahoma City, Oklahoma • Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jun 12, 2024 · Synced Sep 5, 2026, 4:22 PM EDT
Not yet recruiting Not applicable Interventional

Improving the HIV Care Continuum With mHealth Technology

NCT07631104
View directory record Official record
Conditions
HIV - Human Immunodeficiency Virus, HIV Antiretroviral Therapy (ART) Adherence, mHealth Application, mHealth Intervention, Continuum of Care, Youth With HIV
Interventions
MindBodyU Intervention
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
16 Years to 25 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Sep 5, 2026, 4:22 PM EDT
Completed Not applicable Interventional

The Effects of a Mobile Health Intervention and Health Coach Text Messaging on Cardiovascular Risk of Older Adults

NCT03720327
View directory record Official record
Conditions
Cardiovascular Diseases, Cardiovascular Risk Factor
Interventions
Get FIT+
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
60 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
5
States / cities
Anaheim, California • Irvine, California • Orange, California + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2022 · Synced Sep 5, 2026, 4:22 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

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

NCT07571018
View directory record Official record
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
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
2
States / cities
Las Cruces, New Mexico • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Sep 5, 2026, 4:22 PM 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 5, 2026, 4:22 PM EDT