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Showing 1–24 of 38 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Personal Risk Messaging Clear all
Completed Not applicable Interventional Results available

Use of Behavioral Economics in Repeat SARS-CoV-2 (COVID-19) Antibody Testing in Disadvantaged Communities

NCT04901624
View directory record Official record
Conditions
SARS-CoV-2
Interventions
Family Risk Messaging, Personal Risk Messaging, Loss Protection, Lottery Incentive
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
5 Years and older
Enrollment
2,164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 13, 2024 · Synced Sep 2, 2026, 1:04 PM EDT
Enrolling by invitation Not applicable Interventional

Study to Understand Risk Information to Support and Empower

NCT05752292
View directory record Official record
Conditions
Diabetes, Gestational, Diabetes Mellitus, Type 2
Interventions
Standard Health Information, Values Affirmation (VA), Tailored Risk Information (TRI), Motivational Interviewing-based (MI), Action planning (AP)
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older · Female only
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Pleasanton, California
Source: ClinicalTrials.gov public record
Updated Aug 16, 2026 · Synced Sep 2, 2026, 1:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Adaptive Preventive Intervention for College Alcohol Use

NCT03930524
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 11, 2023 · Synced Sep 2, 2026, 1:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

CARES: A Mobile Health Program for Alcohol Risk Reduction

NCT03927482
View directory record Official record
Conditions
Alcohol Abuse
Interventions
CARES mobile smart phone app, Check Your Drinking
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
18 Years to 29 Years
Enrollment
239 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Mar 25, 2025 · Synced Sep 2, 2026, 1:04 PM EDT
Completed Not applicable Interventional

The Effects of a Mobile Health Intervention and Health Coach Text Messaging on Cardiovascular Risk of Older Adults

NCT03720327
View directory record Official record
Conditions
Cardiovascular Diseases, Cardiovascular Risk Factor
Interventions
Get FIT+
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
60 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
5
States / cities
Anaheim, California • Irvine, California • Orange, California + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2022 · Synced Sep 2, 2026, 1:04 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Effectiveness of an HIV Prevention Program That Targets the Inner Workings of High-risk Social Networks

NCT00705705
View directory record Official record
Conditions
HIV Infections
Interventions
Network leader training, Standard HIV risk-reduction counseling
Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
852 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 10, 2011 · Synced Sep 2, 2026, 1:04 PM EDT
Completed Not applicable Interventional Results available

HIV and Alcohol Research Center Focused on Polypharmacy (HARP) Pilot 1

NCT05560932
View directory record Official record
Conditions
HIV, Alcohol Use
Interventions
IMB-motivational interviewing (MI) techniques (IMB-MI)
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 2, 2026, 1:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Females of African American Legacy Empowering Self (FemAALES)

NCT02189876
View directory record Official record
Conditions
HIV
Interventions
Standard of Care, FemAALES
Behavioral
Lead sponsor
Charles Drew University of Medicine and Science
Other
Eligibility
18 Years to 54 Years · Female only
Enrollment
256 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 2, 2018 · Synced Sep 2, 2026, 1:04 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Chatbot to Maximize Hereditary Cancer Genetic Risk Assessment

NCT05562778
View directory record Official record
Conditions
Gynecologic Cancer, Hereditary Cancer Syndrome
Interventions
Chatbot
Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
4
States / cities
Brooklyn, New York • New York, New York • Queens, New York
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Sep 2, 2026, 1:04 PM EDT
Recruiting Not applicable Interventional

Cigarillo Public Education Messaging for Black Young Adults

NCT06863168
View directory record Official record
Conditions
Cigarillo Smoking
Interventions
Cigarillo Health Harm and Nicotine Addiction Messaging, Cigarillo Health Harm and Nicotine Addiction Messaging Contextualized to Outcome Expectancies
Behavioral
Lead sponsor
Drexel University
Other
Eligibility
18 Years to 30 Years
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 1, 2025 · Synced Sep 2, 2026, 1:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

COVID-19 Vaccine Messaging, Part 1

NCT04460703
View directory record Official record
Conditions
Vaccination, COVID-19
Interventions
Control message, Baseline message, Personal freedom message, Economic freedom message, Self-interest message, Community interest message, Economic benefit message, Guilt message, Embarrassment message, Anger message, Trust in science message, Not bravery message
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Enrollment
4,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Sep 2, 2026, 1:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Water Up@ At Home: An Intervention to Replace Sugary Drinks With Water

NCT05159622
View directory record Official record
Conditions
Diabetes Mellitus, Type 2
Interventions
Water Up! at Home
Behavioral
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 12, 2023 · Synced Sep 2, 2026, 1:04 PM EDT
Recruiting Not applicable Interventional

Code of Respect (X-CoRe): Trial of a Multi-level Sexual Assault and Sexual Harassment Prevention Intervention for Active Duty Airmen

NCT06101056
View directory record Official record
Conditions
Sexual Assault, Sexual Harassment
Interventions
Junior Enlisted Component, Leadership Component, Social Marketing Campaign
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 27, 2025 · Synced Sep 2, 2026, 1:04 PM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

HIV/STD Risk and PrEP Implementation Messaging Among Gay, Bisexual, and Other Men Who Have Sex With Men

NCT06183502
View directory record Official record
Conditions
Sexually Transmitted Infections, Gay, Pre Exposure Prophylaxis
Interventions
Quantitative survey, HIV and STI testing, Qualitative Assessment
Behavioral · Procedure
Lead sponsor
Emory University
Other
Eligibility
18 Years and older · Male only
Enrollment
675 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
3
States / cities
San Diego, California • Atlanta, Georgia • Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Sep 2, 2026, 1:04 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

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

NCT06184737
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated May 28, 2025 · Synced Sep 2, 2026, 1:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Alcohol & Mobile Phone Study to Reduce High-risk Alcohol Use and Consequences

NCT04213846
View directory record Official record
Conditions
Alcohol; Use, Problem
Interventions
Experimental: Mobile Alcohol Expectancy Intervention
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 25 Years
Enrollment
408 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 25, 2024 · Synced Sep 2, 2026, 1:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Testing a Personally Controlled Health Record to Ameliorate Influenza at MIT

NCT00531700
View directory record Official record
Conditions
Influenza
Interventions
Health messaging, Health messages
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 30, 2009 · Synced Sep 2, 2026, 1:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Optimizing Gastrointestinal Procedure Appointments

NCT03879616
View directory record Official record
Conditions
Gastrointestinal Disease
Interventions
An Enhanced Reminder
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
21 Years to 120 Years
Enrollment
15,974 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 20, 2022 · Synced Sep 2, 2026, 1:04 PM EDT
Completed Not applicable Interventional Results available

Effect of Behavioral Nudges on Serious Illness Conversation Documentation

NCT04867850
View directory record Official record
Conditions
Cancer
Interventions
Usual Care, Clinician Nudge, Patient Nudge
Other
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
18 Years and older
Enrollment
4,450 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 17, 2024 · Synced Sep 2, 2026, 1:04 PM EDT
Active, not recruiting Not applicable Interventional

SMART Stepped Care Management for Low Back Pain in the Military Health System

NCT04172038
View directory record Official record
Conditions
Low Back Pain, Chronic Pain, Military Personnel, Veterans
Interventions
Physical Therapy, Move 2 Health (M2H), MORE Mindfulness
Behavioral
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
18 Years to 65 Years
Enrollment
850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
4
States / cities
Schofield Barracks, Hawaii • San Antonio, Texas • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jan 13, 2025 · Synced Sep 2, 2026, 1:04 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Preventing Early-Onset Colorectal Cancer in the VA

NCT07071454
View directory record Official record
Conditions
Colorectal Neoplasms, Mass Screening
Interventions
Patient intervention, PCP intervention
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
45 Years to 49 Years
Enrollment
536 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 2, 2026, 1:04 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Life Skills Training for Soldiers Arriving at Their First Duty Location

NCT07286955
View directory record Official record
Conditions
Risk Reduction Behavior, Suicide Prevention, Risky Behavior, Mental Health, Resilience, Performance at Work
Interventions
Level Up, ENGAGE
Behavioral
Lead sponsor
Uniformed Services University of the Health Sciences
Federal
Eligibility
18 Years and older
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Fort Hood, Texas
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Sep 2, 2026, 1:04 PM EDT
Completed Not applicable Interventional Results available

A Direct-to-patient Intervention to Increase Rates of Osteoporosis Care

NCT01907269
View directory record Official record
Conditions
Osteoporosis
Interventions
Video-based Intervention
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
55 Years and older · Female only
Enrollment
2,684 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
7
States / cities
Birmingham, Alabama • Los Angeles, California • Worcester, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2018 · Synced Sep 2, 2026, 1:04 PM EDT
Terminated Not applicable Interventional

Mobile Technologies Extending Reach of Primary Care for Substance Use Disorders

NCT06208839
View directory record Official record
Conditions
Substance-Related Disorders
Interventions
SBIRT/eIntervention for those with moderate risk drug or alcohol use, SBIRT/eIntervention those assessed with high risk., SBIRT/TAU for those with moderate risk drug or alcohol use, SBIRT/TAU for those assessed with high risk.
Device · Other
Lead sponsor
Chess Mobile Health
Industry
Eligibility
18 Years and older
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Kalamazoo, Michigan
Source: ClinicalTrials.gov public record
Updated Feb 26, 2026 · Synced Sep 2, 2026, 1:04 PM EDT