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ClinicalTrials.gov public records Last synced Oct 21, 2026, 6:19 PM EDT

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Showing 1–24 of 133 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Smartphone-based intervention messages Clear all
Not yet recruiting Not applicable Interventional

PositiveLinks for Youth (PL4Y) for Texas

NCT07804602
View directory record Official record
Conditions
Human Immunodeficiency Virus, HIV
Interventions
PositiveLinks for Youth Smartphone App
Behavioral
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
18 Years to 29 Years
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2031
U.S. locations
2
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 21, 2026, 6:19 PM EDT
Completed Not applicable Interventional Results available

Impact of a Corrie Cardiac Rehabilitation Program

NCT05238103
View directory record Official record
Conditions
Coronary Artery Disease, Myocardial Infarction, Myocardial Ischemia, Coronary Artery Occlusion, Coronary Artery Stenosis Stent, Bypass Graft Occlusion, Valve Heart Disease
Interventions
Corrie Hybrid Cardiac Rehabilitation Program
Combination Product
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
259 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 5, 2025 · Synced Oct 21, 2026, 6:19 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Piloting a Generative Artificial Intelligence Chatbot in a Mobile Weight Loss Program

NCT07534254
View directory record Official record
Conditions
Overweight and/or Obesity
Interventions
AGILE Intervention, Chatbot
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 39 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 21, 2026, 6:19 PM EDT
Recruiting Not applicable Interventional

Improving Adherence to Spinal Cord Injury Exercise Guidelines Using Smartphone Technology and E-coaching

NCT05424172
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
Stage-I, Group 1: Self monitoring using Non-interactive App, Stage-I, Group 2: Self monitoring using Interactive App, Stage-II, Groups 1a/2a: E-Coaching 1x per month, Stage-II, Groups 1b/2b: E-Coaching 2x per month
Behavioral
Lead sponsor
Shirley Ryan AbilityLab
Other
Eligibility
18 Years to 80 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Oct 21, 2026, 6:19 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Just-in-Time Coping Prompts for Reactive Digital Behavior in College Students

NCT07789314
View directory record Official record
Conditions
Emotional Regulation, Alcohol Drinking in College, Emotional Eating, Aggression
Interventions
Momentary coping prompt, Active control message
Behavioral
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 22 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Oct 21, 2026 · Synced Oct 21, 2026, 6:19 PM EDT
Completed Not applicable Interventional

TREAT to Improve Cardiometabolic Health

NCT04465721
View directory record Official record
Conditions
Overweight and Obesity, Prediabetes
Interventions
TRE, HABIT
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
50 Years to 75 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 22, 2026 · Synced Oct 21, 2026, 6:19 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Increasing Physical Activity for Adults With Multiple Sclerosis (MS)

NCT06270641
View directory record Official record
Conditions
Multiple Sclerosis (MS), Fatigue, Physical Inactivity
Interventions
ExerciseRx intervention
Other
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 22, 2024 · Synced Oct 21, 2026, 6:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving Self-Efficacy Through a Telenovela: Feasibility Study

NCT04533594
View directory record Official record
Conditions
Healthy
Interventions
NOVELA
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 21, 2026, 6:19 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

TRAC-ER Intervention to Reduce Risky Alcohol Use and HIV Risk

NCT05576350
View directory record Official record
Conditions
Risk Behavior, Alcohol Use Disorder, HIV Infections
Interventions
Smartphone Based Alcohol Monitoring (SAM), Tracking and Reducing Alcohol Consumption (TRAC), TRAC-ER
Behavioral
Lead sponsor
University of Kentucky
Other
Eligibility
18 Years to 35 Years
Enrollment
405 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
2
States / cities
New Haven, Connecticut • Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 21, 2026, 6:19 PM EDT
Recruiting Not applicable Interventional

Mobile Cued Adherence Therapy (mCAT) for Blood Pressure Medication

NCT06876233
View directory record Official record
Conditions
Medication Adherence, Hypertension, Habits
Interventions
Wellth App, Action Planning, Wellth + Cue
Behavioral
Lead sponsor
Chad Stecher@asu.edu
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Mar 16, 2026 · Synced Oct 21, 2026, 6:19 PM EDT
Completed Not applicable Interventional

An mHealth Mobile Application Supporting Maintenance of Physical Activity Among Men and Women With High Blood Pressure

NCT03937674
View directory record Official record
Conditions
Physical Activity
Interventions
HeartSteps: A just-in-time intervention for increasing physical activity among sedentary adults.
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years to 75 Years
Enrollment
118 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 8, 2021 · Synced Oct 21, 2026, 6:19 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 21, 2026, 6:19 PM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

Mobile App for Smoking Cessation and Mental Health

NCT04887558
View directory record Official record
Conditions
Smoking Cessation, Mental Illness
Interventions
Smart-T Mental Health+ and NRT, QuitGuide + NRT
Combination Product
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 100 Years
Enrollment
64 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 21, 2026, 6:19 PM EDT
Active, not recruiting Not applicable Interventional

Leveraging mHealth to Enable and Adapt CHW Strategies to Improve TB/HIV Patient Outcomes in SA

NCT04298905
View directory record Official record
Conditions
Adherence, Patient, TB, HIV/AIDS, Care Coordination
Interventions
CHW mHealth patient intervention for trigger escalation
Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Oct 21, 2026, 6:19 PM EDT
Completed Not applicable Interventional Results available

Digital Intervention to Treat Anxiety and Depression Among Persons Receiving Treatment for Opioid Use Disorder

NCT05047627
View directory record Official record
Conditions
Opioid-use Disorder, Anxiety Disorders, Depressive Disorder
Interventions
Smartphone-Based Digital Intervention
Behavioral
Lead sponsor
Trustees of Dartmouth College
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Nov 5, 2025 · Synced Oct 21, 2026, 6:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Precision Public Health: Enhancing Connections to Develop Just-in-Time Adaptive Intervention Strategies

NCT03836391
View directory record Official record
Conditions
Overweight and Obesity, Overweight, Obesity
Interventions
Nudge
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 35 Years
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 13, 2019 · Synced Oct 21, 2026, 6:19 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 4, 2026 · Synced Oct 21, 2026, 6:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

StandUPTV: Reducing Sedentary Screen Time in Adults

NCT04464993
View directory record Official record
Conditions
Sedentary Behavior, Screen Time, Physical Activity, Sleep
Interventions
Device-based feedback, self-monitoring, and education: CORE, Sedentary Screen Time lockout: LOCKOUT, Context-based prompts: TEXT, Earn sedentary screen time through moderate-vigorous physical activity: EARN
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
23 Years to 64 Years
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
Tempe, Arizona • San Luis Obispo, California
Source: ClinicalTrials.gov public record
Updated Apr 15, 2025 · Synced Oct 21, 2026, 6:19 PM EDT
Completed Not applicable Interventional

Physical Activity Interventions for Leg Ulcer Patients

NCT02632695
View directory record Official record
Conditions
Leg Ulcers, Venous Ulcers, Varicose Ulcers
Interventions
FOOTFIT
Device
Lead sponsor
Medical University of South Carolina
Other
Eligibility
55 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Spartanburg, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 7, 2018 · Synced Oct 21, 2026, 6:19 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Increasing Access to Smoking Cessation and Smoke Free Home Services for Low-Income Pregnant Women in Northeast Texas

NCT05051345
View directory record Official record
Conditions
Cigarette Smoking-Related Carcinoma
Interventions
Informational Intervention, Media Intervention, Questionnaire Administration, Smoking Cessation Intervention, Survey Administration, Telephone-Based Intervention, Tobacco Cessation Counseling
Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
191 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 15, 2026 · Synced Oct 21, 2026, 6:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Technology-based Intervention and Positive Psychological Training for Blood Pressure Control in African Americans

NCT03722667
View directory record Official record
Conditions
Hypertension, Self-management, Technology
Interventions
Technology-based Component, TechSupport
Behavioral
Lead sponsor
Case Western Reserve University
Other
Eligibility
25 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 16, 2020 · Synced Oct 21, 2026, 6:19 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 17, 2025 · Synced Oct 21, 2026, 6:19 PM EDT
Completed Not applicable Interventional Results available

Testing the Impact of Smartphone-based Messaging to Support Young Adult Smoking Cessation - Pilot

NCT05991934
View directory record Official record
Conditions
Tobacco Cigarette Smoking
Interventions
Smartphone-based intervention messages
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 30 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 20, 2025 · Synced Oct 21, 2026, 6:19 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact on Opioid Use of Bundling Medication-assisted Treatment With mHealth

NCT02712034
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
MAT + A-CHESS, MAT
Behavioral · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older
Enrollment
417 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Oct 21, 2026, 6:19 PM EDT