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ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:58 PM EDT

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

Patient Experience Recommender System for Persuasive Communication Tailoring

NCT02200432
View directory record Official record
Conditions
Smoking Cessation
Interventions
PERSPeCT Recommender System
Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
972 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 9, 2015 · Synced Oct 21, 2026, 9:58 PM EDT
Recruiting Not applicable Interventional

Making Healthy Habits Stick

NCT06745180
View directory record Official record
Conditions
Cancer, Physical Activity, Cancer Survivor, Cancer Survivorship
Interventions
Short Message System (SMS), Peer Coach, Usual Care, Peer Coach and SMS
Behavioral
Lead sponsor
University of Tennessee
Other
Eligibility
19 Years and older · Female only
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Birmingham, Alabama • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Oct 21, 2026, 9:58 PM EDT
Terminated Phase 3 Interventional Results available

A Mobile Application to Promote Self-management and Improve Outcomes in Heart Failure

NCT04755816
View directory record Official record
Conditions
Heart Failure
Interventions
Sodium intervention, Clinical worsening intervention, Educational content
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
9
States / cities
Birmingham, Alabama • Stanford, California • Altanta, Georgia + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 21, 2026, 9:58 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, 9:58 PM EDT
Completed Not applicable Interventional

Promoting Physical Activity in Young Adult Cancer Survivors Using mHealth and Adaptive Tailored Feedback Strategies

NCT03569605
View directory record Official record
Conditions
Physical Activity, Neoplasms, Neoplasms by Site, Cancer
Interventions
Self-help, Intervention
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years to 39 Years
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 1, 2021 · Synced Oct 21, 2026, 9:58 PM EDT
Completed Not applicable Interventional Results available

An App to Reduce Cannabis Use Among Emerging Adults

NCT05824754
View directory record Official record
Conditions
Cannabis Use
Interventions
Just-In-Time-Adaptive-Intervention (JITAI)
Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 25 Years
Enrollment
122 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 12, 2025 · Synced Oct 21, 2026, 9:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Physical Activity Adequacy Mindsets on Health and Wellbeing

NCT03939572
View directory record Official record
Conditions
Activity Adequacy Mindsets
Interventions
Accurate step count feedback, Deflated step count feedback, Inflated step count feedback, Accurate feedback + mindset intervention
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
164 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jan 30, 2020 · Synced Oct 21, 2026, 9:58 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, 9:58 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, 9:58 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, 9:58 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Adaptive Self-Efficacy-Based AI Coaching for Cycling

NCT07318233
View directory record Official record
Conditions
Exercise Training, Exercise Behavior, Exercise Adherence Challenges, Motivation for Physical Activity, Motivational Enhancement
Interventions
Group 1: Self-efficacy-based AI coaching, Group 2: Static AI Affirmations
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 40 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 21, 2026, 9:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Positive Steps to Enhance Problem Solving Skills

NCT03092531
View directory record Official record
Conditions
Adherence
Interventions
Positive STEPS
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
16 Years to 29 Years
Enrollment
123 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
4
States / cities
Los Angeles, California • Chicago, Illinois • Boston, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 25, 2024 · Synced Oct 21, 2026, 9:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Examining How a Text Message-based Educational Intervention Influences COVID-19 Testing

NCT07074171
View directory record Official record
Conditions
COVID-19 Testing Behaviors
Interventions
Text message-based education intervention, Historical Control
Behavioral · Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 89 Years
Enrollment
384 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
3
States / cities
Brownsville, Texas • Houston, Texas • Tyler, Texas
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Oct 21, 2026, 9:58 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Mindfulness-Based Intervention With a Supplement for Stress-Related Problems in College Students Across Multiple Sites (4SITE)

NCT07098845
View directory record Official record
Conditions
Stress, Mental Health, Mindfulness Based Stress Reduction
Interventions
Learning to BREATHE, Learning to BREATHE Plus, HealthEd
Behavioral
Lead sponsor
Colorado State University
Other
Eligibility
18 Years to 25 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
4
States / cities
Denver, Colorado • Fort Collins, Colorado • Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Oct 21, 2026, 9:58 PM EDT
Not listed Not applicable Interventional

Using a Community-level Just-in-Time Adaptive Intervention to Address COVID-19 Testing Disparities

NCT05606003
View directory record Official record
Conditions
COVID-19
Interventions
Multi-Level Multi-Component Intervention (MLI), Community Just-In-Time Adaptive Intervention (Community JITAI)
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
1,280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
3
States / cities
Brownsville, Texas • Houston, Texas • Tyler, Texas
Source: ClinicalTrials.gov public record
Updated Nov 4, 2022 · Synced Oct 21, 2026, 9:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

EUREKA: Evaluating Ultraviolet Radiation Exposure in Kids for Adaptive Intervention

NCT07204704
View directory record Official record
Conditions
Skin Cancer
Interventions
EUREKA Intervention
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
8 Years to 17 Years
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Feb 3, 2026 · Synced Oct 21, 2026, 9:58 PM EDT
Recruiting Not applicable Interventional

Advancing Scalable Alcohol Brief Interventions in the ED: A Trial of Conversational AI With Digital Reinforcements

NCT07661563
View directory record Official record
Conditions
Alcohol Misuse
Interventions
MICA, TRAC
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 65 Years
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 21, 2026, 9:58 PM EDT
Recruiting Not applicable Interventional

Dosing Physical Activity Among Older Cancer Survivors Who Experience Chronic Pain: a Micro-randomized Trial

NCT07227077
View directory record Official record
Conditions
Breast Cancer, Cervical Cancer, Bladder Cancer, Colorectal Cancer, Endometrial Cancer, Lung Cancer, Prostate Cancer
Interventions
Physical Activity Promotion Intervention
Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
65 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 20, 2026 · Synced Oct 21, 2026, 9:58 PM 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 29, 2026 · Synced Oct 21, 2026, 9:58 PM EDT
Completed Not applicable Interventional

Reducing Non-Medical Opioid Use: An Automatically Adaptive mHealth Intervention

NCT02990377
View directory record Official record
Conditions
Non-Medical Opioid Use
Interventions
RL-supported IVR intervention
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
459 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 31, 2022 · Synced Oct 21, 2026, 9:58 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

PEACE for ImPACT Study

NCT06374381
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
PEACE Online Resources, PEACE Weekly Group Facilitation, PEACE Weekly Individual Facilitation
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
12 Months and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Oct 21, 2026, 9:58 PM EDT
Recruiting Not applicable Interventional

Optimizing Digital Health Technology Interventions to Increase Skill Acquisition and Utilization

NCT05473013
View directory record Official record
Conditions
Bulimia Nervosa, Bulimia, Binge Eating, Binge-Eating Disorder
Interventions
Behavioral Therapy for Eating Disorders, Skills Monitoring On, Automated Reminder Messages, JITAIs
Behavioral
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
18 Years to 65 Years
Enrollment
264 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 21, 2026, 9:58 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 24, 2022 · Synced Oct 21, 2026, 9:58 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Development and Testing of a Just-in-Time Adaptive Smart Phone Intervention to Reduce Drinking Among Homeless Adults

NCT03746808
View directory record Official record
Conditions
Alcohol Use Disorder, Treatment, Homelessness
Interventions
EMA + App/Treatment Messages
Behavioral
Lead sponsor
University of North Texas Health Science Center
Other
Eligibility
Not listed
Enrollment
119 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 18, 2022 · Synced Oct 21, 2026, 9:58 PM EDT