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Showing 1–24 of 99 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Adaptive Messaging Intervention Clear all
Completed Not applicable Interventional

Mobile Alcohol Use Intervention

NCT07126613
View directory record Official record
Conditions
Alcohol Misuse
Interventions
Mobile Health Intervention to Reduce Alcohol Use Among Young Adults
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 25 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Sep 6, 2026, 3:51 AM EDT
Recruiting Not applicable Interventional

Steps Towards Osteoarthritis Prevention

NCT06193343
View directory record Official record
Conditions
Anterior Cruciate Ligament Injuries
Interventions
Adaptive Daily Step Promotion
Behavioral
Lead sponsor
University of Georgia
Other
Eligibility
16 Years to 40 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Sep 6, 2026, 3:51 AM EDT
Active, not recruiting Early Phase 1 Interventional

Trial to Increase FEP Attendance

NCT05967195
View directory record Official record
Conditions
First-Episode Psychosis
Interventions
Financial Incentive and Text-Messages
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
145 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
3
States / cities
Raleigh, North Carolina • Philadelphia, Pennsylvania • Philadephia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 10, 2026 · Synced Sep 6, 2026, 3:51 AM 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 6, 2026, 3:51 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 6, 2026, 3:51 AM EDT
Completed Phase 2 Interventional Results available

Home-based Telehealth Stroke Care: A Randomized Trial for Veterans

NCT00384748
View directory record Official record
Conditions
Cerebrovascular Accident
Interventions
TR intervention, In-home messaging device., Usual care
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
45 Years to 90 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
3
States / cities
Decatur, Georgia • Indianapolis, Indiana • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 23, 2014 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Social Network Diffusion of COVID-19 Prevention for Diverse Criminal Legal Involved Communities

NCT05500274
View directory record Official record
Conditions
COVID-19
Interventions
Education, Motivational
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
778 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 17, 2025 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

AdapTive Personalized Dietitian coacHing, Messaging and pRoduce prescrIption to improVE Healthy Dietary Behaviors

NCT06257550
View directory record Official record
Conditions
Hypertension
Interventions
THRIVE Intervention, Active Comparator
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 79 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 4, 2025 · Synced Sep 6, 2026, 3:51 AM EDT
Recruiting Not applicable Interventional

Improving Coping to Reduce Suicide Risk Following ED Discharge

NCT06614946
View directory record Official record
Conditions
Suicidal, Suicide, Attempted, Suicidal Ideation
Interventions
Electronic Safety Plan (ESP), Text support
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 65 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 15, 2026 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Not applicable Interventional

Mobile Intervention for Simultaneous Alcohol and Marijuana Use in Young Adults

NCT05991882
View directory record Official record
Conditions
Alcohol Drinking, Cannabis Use
Interventions
Condition 1: Craving daily+PBS daily, Condition 2: Craving daily+PBS trigger, Condition 3: Craving trigger+PBS daily, Condition 4: Craving trigger+PBS trigger, Condition 5: PBS daily+ PBS trigger, Condition 6: Craving daily+Craving trigger, Condition 7: Craving daily+Craving trigger+PBS daily+PBS trigger, Condition 8: No daily or trigger craving or PBS
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years to 30 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Sep 6, 2026, 3:51 AM 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 6, 2026, 3:51 AM EDT
Completed Not applicable Interventional

Delivering a Digital Health Intervention to Improve Food Access and Dietary Quality Among Adults With Hypertension

NCT06743191
View directory record Official record
Conditions
Hypertension
Interventions
Access Nourish
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Phase 4 Interventional Results available

Engagement With an Adaptive Mobile Health Smoking Cessation Intervention

NCT04020718
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Brief telephone advice plus tailored text messages, Mailed nicotine replacement therapy, Proactive telephone coaching
Behavioral · Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 9, 2022 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Not applicable Interventional Results available

Just-in-time Adaptive Intervention Messaging in a Digital Weight Loss Intervention for Young Adults

NCT05625061
View directory record Official record
Conditions
Obesity, Overweight, Overweight and Obesity
Interventions
Core Behavioral Weight Loss (BWL) Intervention, Behavior Change Technique 1 Message (Action Planning), Behavior Change Technique 2 Message (Discrepancy between Current Behavior and Goal), Behavior Change Technique 3 Message (Feedback on Outcome of Behavior), Behavior Change Technique 4 Message (Social Support), Behavior Change Technique 5 Message (Social Comparison), Behavior Change Technique 6 Message (Social Reward), Behavior Change Technique 7 Message (Focus on Past Success)
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 39 Years
Enrollment
255 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 16, 2026 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Not applicable Interventional

Physical Activity Centers Empowerment

NCT06411756
View directory record Official record
Conditions
Colorectal Neoplasms
Interventions
Narrative videos, A Fitbit activity tracker, Daily text message, Monthly Zoom meeting, Website access, Printed materials, Printed materials
Behavioral · Other
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 7, 2026 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mobile Methods for Reducing Obesity Risk in Parents and Children

NCT03973424
View directory record Official record
Conditions
Overweight and Obesity, Overweight, Obesity
Interventions
Simple, Standard
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
2 Years to 55 Years
Enrollment
144 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 15, 2020 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Not applicable Interventional Results available

Dulce Digital-Me: An Adaptive mHealth Intervention for Underserved Hispanics With Diabetes

NCT03130699
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Dulce Digital, Dulce Digital-Me (Automated Delivery), Dulce Digital-Me (Medical Assistant)
Behavioral
Lead sponsor
Scripps Whittier Diabetes Institute
Other
Eligibility
18 Years and older
Enrollment
310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
2
States / cities
Chula Vista, California • La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 24, 2025 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Not applicable Interventional

Physical Activity Promotion for Breast and Endometrial Cancer Survivors

NCT04262180
View directory record Official record
Conditions
Physical Activity, Breast Cancer Survivors, Endometrial Cancer Survivors
Interventions
Base intervention-Fitbit with EHR integration, Coaching Calls, Online Gym
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older · Female only
Enrollment
323 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
2
States / cities
Chicago, Illinois • Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 23, 2025 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Not applicable Interventional Results available

Optimization of Adaptive Text Messages for Cancer Survivors (OATS II)

NCT05746195
View directory record Official record
Conditions
Colon Adenocarcinoma, Colorectal Carcinoma, Rectal Adenocarcinoma
Interventions
Dietary intervention via Text Messaging, Survey Administration, Nutrition Education
Behavioral · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Mobile App to Increase Physical Activity in Students

NCT04440553
View directory record Official record
Conditions
Mobile Health, Physical Activity, Exercise, Mood, Machine Learning
Interventions
Uniform random message delivery, Reinforcement learning message delivery
Behavioral
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years to 65 Years
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019
U.S. locations
1
States / cities
Berkeley, California
Source: ClinicalTrials.gov public record
Updated Jun 23, 2020 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Walking Intervention Through Text Messaging

NCT02053259
View directory record Official record
Conditions
Physical Activity, Behavior, Overweight, Motor Activity
Interventions
Adaptive Goals, Reinforcement, Static Goals
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 60 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Sep 21, 2021 · Synced Sep 6, 2026, 3:51 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Improving Care After Inherited Cancer Testing

NCT04763915
View directory record Official record
Conditions
Inherited Cancer Syndrome, Prostate Cancer, Colorectal Cancer, Endometrial Cancer, Breast Cancer
Interventions
Correlative Studies (Survey), Correlative Studies (Interview), GeneSHARE, LivingLabReport, Standard-of-care & Adaptive Intervention, Access to Education Materials
Other · Behavioral
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
720 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2028
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 18, 2025 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Not applicable Interventional Results available

Tiny Cargo, Big Deal! An ED-Based Study of Child Passenger Safety Behaviors

NCT04238247
View directory record Official record
Conditions
Accident, Traffic
Interventions
Tiny Cargo, Big Deal/Abróchame Bien, Cuídame Bien (TCBD/ABCB) Basic Intervention, Tiny Cargo, Big Deal/Abróchame Bien, Cuídame Bien (TCBD/ABCB) Enhanced Intervention
Behavioral
Lead sponsor
Ann & Robert H Lurie Children's Hospital of Chicago
Other
Eligibility
6 Months to 10 Years
Enrollment
513 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 6, 2026, 3:51 AM 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 12, 2019 · Synced Sep 6, 2026, 3:51 AM EDT