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ClinicalTrials.gov public records Last synced Nov 4, 2026, 12:51 AM 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 1033–1056 of 1,142 matching trials from the live ClinicalTrials.gov search.

Filters: Intervention: Behavioral Messages Clear all

Conditions: Diabetes Mellitus
Interventions: IMPaCT Community Health Worker, Digital health monitoring with financial incentives, Usual Care; Behavioral · Other
Lead sponsor: University of Pennsylvania; Other
Eligibility: 18 Years and older
Enrollment: 150 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2020
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Child Abuse, Child Neglect, Parenting, Child Development
Interventions: mHealth Intervention; Behavioral
Lead sponsor: University of Oklahoma; Other
Eligibility: 0 Years to 99 Years
Enrollment: 24 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2022 – 2023
U.S. locations: 1
States / cities: Oklahoma City, Oklahoma

Conditions: Solid Tumor, Adult
Interventions: Enhanced education, Usual care education; Other
Lead sponsor: University of California, Davis; Other
Eligibility: 18 Years and older
Enrollment: 60 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2024 – 2025
U.S. locations: 2
States / cities: Chico, California • Sacramento, California

Conditions: Smoking Cessation
Interventions: NRT, Web Guide, Tweet2Quit; Drug · Behavioral
Lead sponsor: University of California, Irvine; Other
Eligibility: 21 Years to 59 Years
Enrollment: 980 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2016 – 2022
U.S. locations: 2
States / cities: Irvine, California • Stanford, California

Conditions: HIV (Human Immunodeficiency Virus), Sexually Transmitted Diseases
Interventions: Reality Check, Physical Activity Attention Control; Behavioral
Lead sponsor: University of Pennsylvania; Other
Eligibility: 18 Years to 24 Years
Enrollment: 203 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2016 – 2017
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Pain, Opiates, Alcohol Drinking
Interventions: Prevention Intervention, Brief Intervention; Behavioral
Lead sponsor: University of Pennsylvania; Other
Eligibility: 18 Years to 88 Years
Enrollment: 108 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2020
U.S. locations: 3
States / cities: Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania

Conditions: End Stage Renal Disease
Interventions: Patient-Guided, Educator-Guided; Other
Lead sponsor: The Methodist Hospital Research Institute; Other
Eligibility: 18 Years to 74 Years
Enrollment: 558 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2014 – 2016
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: College Student Drinking
Interventions: Personalized Normative Feedback (PNF), Self-Monitoring (SM), Web-BASICS, Health Promotion Consultation, M-Bridge Online Health Coach; Behavioral
Lead sponsor: University of Minnesota; Other
Eligibility: 18 Years to 21 Years
Enrollment: 891 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2019 – 2022
U.S. locations: 1
States / cities: Minneapolis, Minnesota

Conditions: Hypertension
Interventions: CTC Intervention, Control; Behavioral
Lead sponsor: VA Office of Research and Development; Federal
Eligibility: 18 Years and older
Enrollment: 600 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2021 – 2023
U.S. locations: 3
States / cities: Chicago, Illinois • Bedford, Massachusetts • Philadelphia, Pennsylvania

Conditions: Drug Overdose, Drug Overdose Accidental
Interventions: BSAFE Intervention, Attention control; Behavioral
Lead sponsor: San Francisco Department of Public Health; Government
Eligibility: 18 Years and older
Enrollment: 160 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2030
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Obesity, Overweight, Weight Loss
Interventions: Physician Counseling, Health Educator, Phone Counseling, Health promotion materials on physical activity and nutrition; Behavioral
Lead sponsor: University of California, San Diego; Other
Eligibility: 11 Years to 13 Years
Enrollment: 106 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2008 – 2011
U.S. locations: 1
States / cities: La Jolla, California

Conditions: End-Stage Renal Disease, Chronic Kidney Diseases, Kidney Transplant, Living Kidney Donor
Interventions: Digital education outreach intervention for kidney transplant access and human guide, Digital education outreach intervention for kidney transplant access only (unguided); Behavioral
Lead sponsor: State University of New York at Buffalo; Other
Eligibility: 18 Years and older
Enrollment: 550 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2027 – 2030
U.S. locations: 1
States / cities: Buffalo, New York

Conditions: Tobacco Use, Second Hand Tobacco Smoke
Interventions: Treatment, Control; Behavioral
Lead sponsor: University of Arkansas; Other
Eligibility: 18 Years to 50 Years
Enrollment: 200 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2020 – 2023
U.S. locations: 1
States / cities: Little Rock, Arkansas

Conditions: Hepatitis C
Interventions: Opt-Out, Letter, Behavioral Economic Messaging, Usual Care Messaging; Behavioral
Lead sponsor: University of Pennsylvania; Other
Eligibility: 53 Years to 73 Years
Enrollment: 21,493 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2019 – 2020
U.S. locations: 1
States / cities: Philadelphia, Pennsylvania

Conditions: Bladder Cancer, Breast Cancer, Colon Cancer, Endometrial Cancer, Ovarian Cancer, Rectal Cancer, Prostate Cancer, Renal Cell Carcinoma, Kidney Cancer
Interventions: Counseling, Educational Intervention, Health Education, Health Promotion and Education - Direct Text Messaging, Health Promotion and Education - Digital health tool kit, Questionnaires; Other · Behavioral
Lead sponsor: University of California, San Francisco; Other
Eligibility: 18 Years and older
Enrollment: 353 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2021 – 2027
U.S. locations: 1
States / cities: San Francisco, California

Conditions: Weight Loss, Cancer
Interventions: Weight Loss Only, Weight Loss Plus, Control; Behavioral
Lead sponsor: University of Alabama at Birmingham; Other
Eligibility: 19 Years and older
Enrollment: 369 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2018
U.S. locations: 1
States / cities: Birmingham, Alabama

Conditions: Stroke Patients, CPAP, OSA - Obstructive Sleep Apnea
Interventions: CPAP device, CPAP technical support, Phone follow-up for adherence feedback and self-management skills, myAir, Tailored messages, Written Materials, Motivational Enhancement Therapy (MET); Device · Behavioral
Lead sponsor: University of Washington; Other
Eligibility: 18 Years and older
Enrollment: 250 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2028
U.S. locations: 2
States / cities: Downey, California • Seattle, Washington

Conditions: COVID-19, Vaccine Hesitancy
Interventions: Health Communication, Health Communication + Structural; Behavioral
Lead sponsor: Marc Kiviniemi; Other
Eligibility: 18 Years to 99 Years
Healthy volunteers: Accepts healthy volunteers
Timeline: 2026 – 2027
U.S. locations: 1
States / cities: Hazard, Kentucky

Conditions: COVID-19, Vaccines
Interventions: Eligibility reminder, Link to a narrow set of vaccine venues, Link to a broad set of vaccine venues, Doctors' recommendation and value of vaccine; Behavioral
Lead sponsor: University of California, Los Angeles; Other
Eligibility: 18 Years and older
Enrollment: 154,977 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2022 – 2023
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Suicide Prevention, Suicide
Interventions: Wingman-Connect, Stress Management; Behavioral
Lead sponsor: University of Rochester; Other
Eligibility: 18 Years to 40 Years
Enrollment: 2,970 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2025 – 2028
U.S. locations: 1
States / cities: Rochester, New York

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

Conditions: Telehealth, Health Behavior
Interventions: Less-is-better, Social proof, Endowment / decision staging, Standard email; Behavioral
Lead sponsor: Geisinger Clinic; Other
Eligibility: 18 Years to 88 Years
Enrollment: 14,099 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2020
U.S. locations: 1
States / cities: Danville, Pennsylvania

Conditions: Diabetes Mellitus
Interventions: IM/SMS + Incentive Condition; Behavioral
Lead sponsor: University of California, Los Angeles; Other
Eligibility: 25 Years to 65 Years · Female only
Enrollment: 41 participants
Healthy volunteers: Accepts healthy volunteers
Timeline: 2012 – 2021
U.S. locations: 1
States / cities: Los Angeles, California

Conditions: Pain, Pain Management, Symptom Monitoring, Symptom Management, Cancer Survivorship
Interventions: Mobile Health (mHealth) Intervention; Behavioral
Lead sponsor: Virginia Commonwealth University; Other
Eligibility: 18 Years and older
Enrollment: 20 participants
Healthy volunteers: Healthy volunteers not accepted
Timeline: 2026
U.S. locations: 1
States / cities: Richmond, Virginia

Search by objective public record fields.

Using Digital Health, Financial Incentives, and Community Health Worker Support to Change Health Behavior

Promoting Resilience and Lowering Risk in Early Childhood

A Pilot Study of Genetic Testing Uptake Through Enhanced Oncology Nurse-Led Intervention

Twitter-enabled Mobile Messaging for Smoking Relapse Prevention (Tweet2Quit)

Reality Check: An HIV Risk Reduction Serial Drama

Preventing Risky Drinking in Veterans Treated With Prescription Opioids

Explore Transplant at Home: Improving Low-Income ESRD Patients' Transplant Knowledge

Adaptive Preventive Intervention for College Alcohol Use

Continuing the Conversation: Using Narrative Communication to Support Hypertension Self-management in African American Veterans

Behavioral Safety and Fentanyl Education: BSAFE

PACE-PC: Primary Care Management of Adolescent Obesity

Technology-enabled Social Network Intervention to Increase Live Donor Kidney Transplantation

Reducing Tobacco Exposures Among African American Women and Children

Behavioral Science and Hepatitis C Screening Outreach

Improving Nutrition and Physical Activity for Cancer Survivors (Tools To Be Fit)

Promoting Weight-Loss in African American Cancer Survivors in the Deep South

Stroke and CPAP Outcome Study 3 Randomized Controlled Trial

Addressing COVID-19 Vaccine Hesitancy With Muliti-Level Interventions in Appalachia

Boost Intentions and Facilitate Action to Promote COVID-19 Booster Take-up

Career Enhancement Training Study Delivered Across Career Phases

Integrated Digital Health Approach to Reduce Hazardous Alcohol Use and Chronic Pain Among Rural Populations

Email Campaign to Increase Uptake of myGeisinger

Financial Incentives and Text Messaging to Improve African American Womens' Glycemic Control

mHealth Intervention for Pain Self Management