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ClinicalTrials.gov public records Last synced Nov 4, 2026, 2:10 PM EST

All trial information on this site comes from the official ClinicalTrials.gov public API (clinicaltrials.gov/api/v2), run by the U.S. National Library of Medicine. We only display that public information; we do not add opinions, endorsements, or any other intent. Always review the official ClinicalTrials.gov record for the latest information.

Showing 1105–1128 of 1,142 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Behavioral Messages Clear all

Conditions: HIV CDC Category A1
Interventions: B-ME Intervention; Behavioral
Lead sponsor: Loyola University Chicago; Other
Eligibility: 18 Years to 55 Years · Male only
Enrollment: 438 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2015
U.S. locations: 1
States / cities: Chicago, Illinois

Conditions: Diabetes Mellitus, Type 2, Prediabetic State, Hypertension, Prehypertension, Obesity
Interventions: FeatForward App (on study smartphone); Other
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 18 Years and older
Enrollment: 300 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2019
U.S. locations: 2
States / cities: Charlestown, Massachusetts • Revere, Massachusetts

Conditions: Vaccination Refusal, Communication
Interventions: Social Proof, Reframing, Scarcity Message; Behavioral
Lead sponsor: Geisinger Clinic; Other
Eligibility: Not listed
Enrollment: 9,566 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021
U.S. locations: 1
States / cities: Danville, Pennsylvania

Conditions: Cardiovascular Diseases, Atrial Fibrillation, Abnormal Heart Rhythms, Cardiac Arrest, Heart Attack, Myocardial Infarction, Coronary Heart Disease, Heart Failure, Stroke, Cerebrovascular Accident
Interventions: Targeted digital intervention; Other
Lead sponsor: Evidation Health; Industry
Eligibility: 18 Years and older
Enrollment: 49,138 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020 – 2021
U.S. locations: 1
States / cities: San Mateo, California

Conditions: Alcohol Drinking, Binge Drinking, Text Messaging
Interventions: Brief Alcohol Intervention, Automated and Targeted Text Messages; Behavioral
Lead sponsor: University of Virginia; Other
Eligibility: 18 Years and older
Enrollment: 7,000 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2023 – 2028
U.S. locations: 1
States / cities: San Antonio, Texas

Conditions: Suicide
Interventions: Phone call, Text messaging, Automated interactive smartphone-based tool, Non-interactive pop-up messages; Behavioral
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 18 Years and older
Enrollment: 185 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2026
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Eye Disease, Eye Care
Interventions: tailored newsletter, targeted newsletter; Behavioral
Lead sponsor: National Eye Institute (NEI); NIH
Eligibility: 65 Years and older
Enrollment: 330 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2006 – 2008
U.S. locations: 1
States / cities: Baltimore, Maryland

Conditions: Hypertension
Interventions: SERVE OC Intervention, Enhanced Standard Intervention; Behavioral
Lead sponsor: University of California, Irvine; Other
Eligibility: 5 Years and older
Enrollment: 483 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2027
U.S. locations: 1
States / cities: Irvine, California

Conditions: Medical Adherence
Interventions: GlowCap, Daily email, text message, or phone call reminders, Paid for adherence; Device · Behavioral
Lead sponsor: University of Pennsylvania; Other
Eligibility: 18 Years to 84 Years
Enrollment: 119 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2015 – 2017
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Type 1 Diabetes, Family Relations
Interventions: The 3Ms 2.0 Intervention, Educational Attention Control (EAC); Behavioral
Lead sponsor: Wayne State University; Other
Eligibility: 10 Years to 14 Years
Enrollment: 216 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2028
U.S. locations: 4
States / cities: Washington D.C., District of Columbia • Detroit, Michigan • Memphis, Tennessee

Conditions: Diet Habit, Sugar-Sweetened Beverages
Interventions: iSIPsmarter, Patient Education (PE); Behavioral
Lead sponsor: University of Virginia; Other
Eligibility: 18 Years to 110 Years
Enrollment: 24 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2026
U.S. locations: 1
States / cities: Charlottesville, Virginia

Conditions: Teen Drivers, Motor Vehicle Accidents
Interventions: CellControl; Device
Lead sponsor: Children's Hospital of Philadelphia; Other
Eligibility: 16 Years to 17 Years
Enrollment: 34 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2016 – 2017
U.S. locations: 2
States / cities: Philadelphia, Pennsylvania

Conditions: Overweight and Obesity, Severe Obesity
Interventions: Connect for Health; Behavioral
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 2 Years to 12 Years
Enrollment: 19,304 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2022
U.S. locations: 3
States / cities: Denver, Colorado • Boston, Massachusetts • Greenville, South Carolina

Conditions: Family Member, Health Status Unknown
Interventions: Behavioral, Psychological or Informational Intervention, Patient Visit, Questionnaire Administration, Text Message; Other · Behavioral
Lead sponsor: M.D. Anderson Cancer Center; Other
Eligibility: 18 Years to 70 Years
Enrollment: 600 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2016 – 2028
U.S. locations: 1
States / cities: Houston, Texas

Conditions: Pregnancy Related, Adolescent Obesity, Behavior, Health, Behavior, Sedentary, Adolescent Overweight, Mobile Phone Use, Pregnancy in Adolescence
Interventions: #BabyLetsMove; Behavioral
Lead sponsor: University of Mississippi Medical Center; Other
Eligibility: 15 Years to 19 Years · Female only
Enrollment: 14 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021 – 2022
U.S. locations: 1
States / cities: Jackson, Mississippi

Conditions: Tobacco Use Cessation
Interventions: Referral to SmokeFreeMoms, Quitline or Brief intervention; Behavioral
Lead sponsor: Wayne State University; Other
Eligibility: 18 Years to 45 Years · Female only
Enrollment: 200 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2015
U.S. locations: 1
States / cities: Detroit, Michigan

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

Conditions: Atherosclerotic Cardiovascular Disease
Interventions: Choice + Immediate, Choice + Gradual, Assigned + Immediate, Assigned + Gradual, Daily performance feedback, Gamification; Behavioral
Lead sponsor: University of Pennsylvania; Other
Eligibility: 18 Years and older
Enrollment: 500 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2020
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Diabetes
Interventions: TExT-MED, FANS; Behavioral
Lead sponsor: University of Southern California; Other
Eligibility: 18 Years and older
Enrollment: 166 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2017 – 2019
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Metastatic Breast Cancer
Interventions: Palliative Care Intervention, "TARGET-PC", Enhanced Usual Care; Other
Lead sponsor: Massachusetts General Hospital; Other
Eligibility: 18 Years and older
Enrollment: 400 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2030
U.S. locations: 3
States / cities: Boston, Massachusetts • Durham, North Carolina • Philadelphia, Pennsylvania

Conditions: Alcohol Use Disorder
Interventions: Contingency Management; Behavioral
Lead sponsor: Washington State University; Other
Eligibility: 18 Years to 70 Years
Enrollment: 120 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2024 – 2025
U.S. locations: 2
States / cities: Spokane, Washington

Conditions: Ovarian Cancer
Interventions: Fitness Tracker, Social Incentive (Way to Health); Other
Lead sponsor: Dana-Farber Cancer Institute; Other
Eligibility: 18 Years and older · Female only
Enrollment: 29 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2018 – 2020
U.S. locations: 1
States / cities: Boston, Massachusetts

Conditions: Chronic Pancreatitis
Interventions: Web-based self--management program; Behavioral
Lead sponsor: University of Michigan; Other
Eligibility: 18 Years and older
Enrollment: 31 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2026
U.S. locations: 1
States / cities: Ann Arbor, Michigan

Conditions: Anatomic Stage IV Breast Cancer AJCC v8, Metastatic Breast Carcinoma, Metastatic Lung Carcinoma, Metastatic Malignant Neoplasm in the Brain, Stage IV Lung Cancer AJCC v8
Interventions: Behavioral Dietary Intervention, Text Message-Based Navigation Intervention, Internet-Based Intervention, Dietary Counseling and Surveillance, Stereotactic Radiosurgery, Biospecimen Collection, Magnetic Resonance Imaging, Neurocognitive Assessment, Questionnaire Administration, Interview; Behavioral · Other · Radiation + 1 more
Lead sponsor: Thomas Jefferson University; Other
Eligibility: 18 Years and older
Enrollment: 1 participant
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2023 – 2025
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Search by objective public record fields.

Black Men Evolving Behavioral HIV Prevention Intervention for Black MSM

Improving Physical Activity Through a mHealth Intervention in Cardio-metabolic Risk Patients

Emails Promoting COVID-19 Vaccination Among Healthcare Workers

A Digital Flu Intervention for People With Cardiovascular Conditions

Text-Based Messaging Strategies for Preventing Subsequent Problematic Alcohol Use

Just-in-time Interventions for Reducing Short-term Suicide Risk

Tailored Messages to Increase Eye Examination Behavior

Skills-Based Educational Strategies for Reduction of Vascular Events in Orange County

GlowCaps Adherence Randomized Control Trial

Family Intervention for Black Teens With Type 1 Diabetes

iSIPsmarter: A Pilot RCT to Evaluate a Web-based Behavioral Intervention to Reduce Sugary Beverages Among Black Adults

Promoting Intrafamily Accountability for Reducing Cellphone Use While Driving in Adults and Their Teen Children

Connect for Health Pediatric Weight Management Program

Your Health Matters! (Tu Salud ¡Si Cuenta!): Promoting Healthy Lifestyles in Latino Families

#BabyLetsMove Physical Activity Feasibility Trial

Optimizing Technology-Delivered Interventions for Smoking in Pregnancy: The Mommy Check-Up Study.

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

Evaluation of the Novel Use of Gamification With Alternative Goal-setting Experiences

TExT-MED + FANS Full Trial

Targeted Palliative Care Intervention for Patients With Metastatic Breast Cancer

Automated Reinforcement Management Systems, Phase II

Stepping Into Survivorship: Harnessing Behavioral Economics to Improve Quality of Life in Ovarian Cancer

A Tailored, Web-Based Self-Management Program to Treat Pain in Chronic Pancreatitis

An Interactive Time-Restricted Diet Intervention (txt4fasting) for Reducing Neurocognitive Decline and Improving Survival in Patients With Brain Metastases From Breast or Lung Cancer