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ClinicalTrials.gov public records Last synced Oct 23, 2026, 1:30 AM EDT

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Showing 433–456 of 3,121 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Messaging Clear all
Completed Not applicable Interventional Results available

Message Testing in Aging African American Smokers

NCT05819086
View directory record Official record
Conditions
Smoking, Smoking Cessation
Interventions
Rate Emotional Response, Rate Impact of Message
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
50 Years to 80 Years
Enrollment
839 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 12, 2024 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional

Electronic Triggers: Microhematuria Trigger

NCT05011253
View directory record Official record
Conditions
Hematuria
Interventions
Electronic Trigger Microhematuria Alert
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
35 Years and older
Enrollment
2,000 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 Jul 14, 2022 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing a Digital AEP Risk Intervention With Native Women and Communities

NCT06324929
View directory record Official record
Conditions
Alcohol Exposed Pregnancy, Unplanned Pregnancy, Alcohol Use, Unspecified, Contraception Use, Sexual Behavior
Interventions
CARRII Native Rapid Pilot Testing
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 44 Years · Female only
Enrollment
407 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 17, 2026 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional Results available

Improving the Clinical Encounter to Enhance Delivery of an Individualized Prematurity Prevention Plan

NCT04149002
View directory record Official record
Conditions
Preterm Birth
Interventions
Intervention Arm Weekly IP3 text messages, Active Control Arm General pregnancy text messages
Behavioral · Other
Lead sponsor
Duke University
Other
Eligibility
18 Years to 60 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 2, 2022 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Personalized Patient Data and Behavioral Nudges to Improve Adherence to Chronic Cardiovascular Medications

NCT03973931
View directory record Official record
Conditions
Cardiovascular Diseases, Adherence, Medication, Medication Adherence, Diabetes Mellitus, Hypertension, Hyperlipidemias, Coronary Artery Disease, Atrial Fibrillation
Interventions
Nudge
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 89 Years
Enrollment
9,501 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2023
U.S. locations
4
States / cities
Aurora, Colorado • Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Using Reinforcement Schedules to Increase Fruit&Vegetable Intake, Reduce Waste, and Increase School Lunch Participation

NCT05633251
View directory record Official record
Conditions
Behavioral Changes, Psychology, Social, Nutrition
Interventions
Variable (random) interval, Variable (non-random) interval, Variable (random) interval with table tents, Control
Behavioral
Lead sponsor
New Mexico State University
Other
Eligibility
11 Years to 16 Years
Enrollment
1,626 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated Dec 1, 2022 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Calm Sleep Coaching

NCT04566822
View directory record Official record
Conditions
Sleep Disturbance
Interventions
High Touch intervention, Medium Touch intervention, Low Touch intervention, Sleep Education Control
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years and older
Enrollment
388 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 24, 2020 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional

Text Messages and Blood Pressure Control

NCT02779231
View directory record Official record
Conditions
Hypertension
Interventions
Bi-directional texting
Other
Lead sponsor
Linnea Polgreen
Other
Eligibility
18 Years and older
Enrollment
430 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Nov 6, 2017 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

MapTrek to Increase Activity Among Patients at Risk for Type 2 Diabetes

NCT03193229
View directory record Official record
Conditions
Pre Diabetes, Obesity
Interventions
MapTrek, Fitbit
Behavioral · Device
Lead sponsor
Philip Polgreen
Other
Eligibility
21 Years to 80 Years
Enrollment
430 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Coralville, Iowa
Source: ClinicalTrials.gov public record
Updated Oct 16, 2018 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional

Text Message Safety Behavior Fading for Social Anxiety

NCT06168253
View directory record Official record
Conditions
Social Anxiety
Interventions
Safety Behavior Fading for Social Anxiety, Unhealthy Behavior Fading
Behavioral
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 65 Years
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Feb 24, 2025 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional

Adolescent Controlled Text Messaging to Improve Asthma Medication Adherence in Primary Care

NCT02176694
View directory record Official record
Conditions
Persistent Asthma
Interventions
Text Messaging
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
12 Years to 21 Years
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 10, 2016 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Tailoring of Vaccine-Focused Messages: Disease Salience

NCT03002324
View directory record Official record
Conditions
Human Papillomavirus
Interventions
Baseline Survey, Current CDC Message, Cervical Cancer Message, Control Message, Post-Intervention Survey
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
1,320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 10, 2017 · Synced Oct 23, 2026, 1:30 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Opt-in vs. Opt-out for Breast Cancer Screening

NCT05313737
View directory record Official record
Conditions
Breast Cancer
Interventions
Automated message, Opt-out scheduling
Other
Lead sponsor
VA Puget Sound Health Care System
Federal
Eligibility
45 Years to 75 Years · Female only
Enrollment
871 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 6, 2022 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Mental Health Pathways in Internet Support Groups

NCT02396472
View directory record Official record
Conditions
Depression, Stress, Anxiety
Interventions
Order by time and topic, Order by information relevance, Order by social relationship, Order by help giving, Order by self-disclosure
Behavioral
Lead sponsor
Carnegie Mellon University
Other
Eligibility
18 Years and older
Enrollment
6,500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 12, 2021 · Synced Oct 23, 2026, 1:30 AM EDT
Recruiting Not applicable Interventional

Providing an Optimized and Empowered Pregnancy for You (POPPY) Aim 3: Randomized Controlled Trial

NCT06510075
View directory record Official record
Conditions
Pregnancy Complications, Maternal Distress, Adverse Birth Outcomes, Infant Conditions
Interventions
Digital Health intervention, Community Health Worker, Digital Health Intervention plus Community Health Worker
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
16 Years to 49 Years · Female only
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Evaluating an mHealth Intervention for Reducing Alcohol Use Among Adolescent and Young Adult Cancer Survivors

NCT05087875
View directory record Official record
Conditions
Cancer, Alcohol Use
Interventions
TRAC: Tracking and Reducing Alcohol Consumption, No intervention
Behavioral · Other
Lead sponsor
Carolyn Lauckner
Other
Eligibility
18 Years to 39 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Jul 25, 2025 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional

A Trial to Evaluate Medically Tailored Meals With Patients With Heart Failure

NCT04289181
View directory record Official record
Conditions
Heart Failure
Interventions
Medically Tailored Meals
Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
50 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 5, 2021 · Synced Oct 23, 2026, 1:30 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

F.A.S.T.-BE FAST Stroke Warning Signs Study

NCT06483165
View directory record Official record
Conditions
Stroke, Acute
Interventions
BE FAST Educational video, F.A.S.T. Educational Video
Other
Lead sponsor
American Heart Association
Other
Eligibility
19 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jul 3, 2024 · Synced Oct 23, 2026, 1:30 AM EDT
Active, not recruiting Phase 3 Interventional

Mobile Health and Social Media Physical Activity Intervention Among Adolescent and Young Adult Childhood Cancer Survivors, the StepByStep Study

NCT04089358
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Educational Intervention, FitBit, Goal Setting, Health Promotion and Education, Media Intervention, Telephone-Based Intervention
Other · Device · Behavioral
Lead sponsor
Children's Oncology Group
Network
Eligibility
15 Years to 20 Years
Enrollment
387 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
114
States / cities
Mobile, Alabama • Mesa, Arizona • Downey, California + 92 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 23, 2026, 1:30 AM EDT
Recruiting Not applicable Interventional

Expressive Writing for the Management of Stress in Cancer Survivors

NCT04776941
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Behavioral Intervention, Quality-of-Life Assessment, Questionnaire Administration
Behavioral · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
414 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 23, 2026, 1:30 AM 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 10, 2018 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional

Informing Low-acuity Emergency Department Patients of Non-emergent Resources

NCT06350266
View directory record Official record
Conditions
Emergency Service, Hospital
Interventions
Information about healthcare resources
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
6,242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 9, 2025 · Synced Oct 23, 2026, 1:30 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Twitter and CV Health

NCT02622256
View directory record Official record
Conditions
Cardiovascular Disease, Hypertension
Interventions
Health System: HTN Intervention
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years and older
Enrollment
611 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 24, 2019 · Synced Oct 23, 2026, 1:30 AM EDT
Recruiting Not applicable Interventional

Get ActivE Study for At-risk Youth

NCT06829953
View directory record Official record
Conditions
Anhedonia, Depression and Suicide Ideation
Interventions
GET ActivE, Treatment As Usual
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
12 Years to 18 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 23, 2026, 1:30 AM EDT