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ClinicalTrials.gov public records Last synced Oct 24, 2026, 6:39 PM EDT

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Showing 241–264 of 513 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Risk Message Clear all
Completed No phase listed Observational Accepts healthy volunteers

Self-Affirmation and Defensiveness to Health Messages for the Self vs. a Close Other

NCT02317380
View directory record Official record
Conditions
Ego, Social Science, Cancer Prevention
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
40 Years to 70 Years
Enrollment
1,019 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 20, 2018 · Synced Oct 24, 2026, 6:39 PM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Food Introduction for Risk Reduction, Support Tolerance: Behavioral Intervention for Toddler Eating Success

NCT07857057
View directory record Official record
Conditions
Food Allergy, Early Allergen Introduction
Interventions
Education and Reminders/Supportive Communication, Education
Behavioral
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
4 Months to 8 Months
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
3
States / cities
Little Rock, Arkansas • New Haven, Connecticut • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 24, 2026, 6:39 PM EDT
Active, not recruiting Not applicable Interventional

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

NCT05641519
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Oct 24, 2026, 6:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Emails Promoting COVID-19 Vaccination Among Healthcare Workers

NCT04728594
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 26, 2021 · Synced Oct 24, 2026, 6:39 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 5, 2022 · Synced Oct 24, 2026, 6:39 PM EDT
Completed Not applicable Interventional Results available

Increasing Screening for Cancer Using EHR-Nudges

NCT06177795
View directory record Official record
Conditions
Breast Cancer
Interventions
Post-visit patient text messaging, Default pended order, High risk bidirectional post-visit text messaging
Behavioral
Lead sponsor
Abramson Cancer Center at Penn Medicine
Other
Eligibility
40 Years to 74 Years · Female only
Enrollment
21,123 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
2
States / cities
Cleveland, Ohio • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 6, 2026 · Synced Oct 24, 2026, 6:39 PM EDT
Enrolling by invitation Not applicable Interventional

Applying Population Management Best Practices to Preventative Genomic Medicine Trial

NCT07053813
View directory record Official record
Conditions
Neoplastic Syndromes, Hereditary
Interventions
Web resources, Personalized outreach
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years to 75 Years
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Denver, Colorado • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 24, 2026, 6:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

HealthMindr App to Increase Pre-exposure Prophylaxis (PrEP) Uptake and Retention Among Men Who Have Sex With Men (MSM)

NCT03763942
View directory record Official record
Conditions
HIV Infections
Interventions
HealthMindr App, Control App
Behavioral
Lead sponsor
Emory University
Other
Eligibility
18 Years to 34 Years · Male only
Enrollment
658 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
3
States / cities
Washington D.C., District of Columbia • Atlanta, Georgia • Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Jun 4, 2024 · Synced Oct 24, 2026, 6:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Patient Portal Tool, E-assist, for Supporting CRC Screening

NCT02798224
View directory record Official record
Conditions
Colorectal Cancer
Interventions
e-assist: Colon Health, Healthwise Educational Program
Behavioral
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
50 Years to 75 Years
Enrollment
1,826 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 25, 2022 · Synced Oct 24, 2026, 6:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Optimizing Risk Messages for Waterpipe Tobacco Cessation in Young Adults

NCT03595280
View directory record Official record
Conditions
Hookah Smoking
Interventions
Hookah tobacco risk messages
Behavioral
Lead sponsor
Georgetown University
Other
Eligibility
18 Years to 30 Years
Enrollment
349 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 20, 2021 · Synced Oct 24, 2026, 6:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of a Cell Phone-Based Program for Abstinence and HIV Risk Prevention

NCT00601237
View directory record Official record
Conditions
HIV Infections
Interventions
HIV-related text messaging, Nutrition-related text messaging
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
16 Years to 20 Years · Male only
Enrollment
103 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 3, 2015 · Synced Oct 24, 2026, 6:39 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Improving Behavioral Health for Caregivers and Children After Pediatric Injury

NCT06856057
View directory record Official record
Conditions
Quality of Life, PTSD, Depression Not Otherwise Specified, Child Externalizing Behavior
Interventions
Caregivers' Aid to Accelerate Recovery after pediatric Emergencies (CAARE)
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
348 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
4
States / cities
Los Angeles, California • Lexington, Kentucky • Ann Arbor, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Oct 24, 2026, 6:39 PM EDT
Recruiting Not applicable Interventional

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

NCT05793541
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 23, 2025 · Synced Oct 24, 2026, 6:39 PM EDT
Completed Phase 2 Interventional

Reducing Sex-Related HIV Risk Behaviors in Patients Receiving Treatment for Opioid Dependence

NCT00548275
View directory record Official record
Conditions
Opiate Dependence, HIV Infections
Interventions
Enhanced Sexual Risk Management, Standard Sexual Risk Management
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 65 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2011
U.S. locations
2
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 3, 2020 · Synced Oct 24, 2026, 6:39 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 24, 2026, 6:39 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Improving the Collaborative Health of Adult Dyads

NCT05370014
View directory record Official record
Conditions
Cardiovascular Diseases, Chronic Kidney Diseases, Diabetes Mellitus, Type 2, Chronic Disease, Stroke, Heart Failure Chronic, Hypertension (HTN)
Interventions
Integrating Community-based Intervention Under Nurse Guidance with Families (iCINGS FAM)
Behavioral
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 18, 2026 · Synced Oct 24, 2026, 6:39 PM EDT
Completed Phase 3 Interventional

Antidepressant Adherence Via AD_IVR

NCT01188135
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Interactive voice messaging or Interactive voice messaging + psycho ed materials
Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
21 Years to 75 Years
Enrollment
6,058 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 17, 2015 · Synced Oct 24, 2026, 6:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Empowering Hispanic Patients' Lung Cancer Screening Uptake (Empower Latinx)

NCT06225414
View directory record Official record
Conditions
Lung Cancer
Interventions
Usual Care, Brief Patient Education, Patient education, Referral to financial navigation resources, Patient Reminders, Provider Reminders
Other · Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
50 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
10
States / cities
Anaheim, California • Costa Mesa, California • Irvine, California + 6 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 24, 2026, 6:39 PM EDT
Completed Not applicable Interventional

A Text Message Intervention to Promote Health Behaviors in Cardiac Risk Conditions

NCT04382521
View directory record Official record
Conditions
Hyperlipemia, Hypertension, Type2 Diabetes
Interventions
Text Message Intervention
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 28, 2023 · Synced Oct 24, 2026, 6:39 PM EDT
Recruiting Not applicable Interventional

Text Education About Cardiovascular Health and HIV (TEACH-HIV)

NCT05642858
View directory record Official record
Conditions
HIV, Human Immunodeficiency Virus, Cardiovascular Diseases, Atherosclerosis
Interventions
Digital Educational Messaging
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
40 Years and older
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 8, 2025 · Synced Oct 24, 2026, 6:39 PM EDT
Completed Not applicable Interventional

Remote Electronic Assessment of Survivors With Feedback Communication and Directed Referrals

NCT05047575
View directory record Official record
Conditions
Breast Cancer
Interventions
REASSURE
Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 95 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 9, 2022 · Synced Oct 24, 2026, 6:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Community-based Interventions to Increase HIV Testing and HIV Care Utilization

NCT01867177
View directory record Official record
Conditions
HIV
Interventions
HIV testing, standard of HIV care, HIV care utilization
Other · Behavioral
Lead sponsor
Kaiser Permanente
Other
Eligibility
18 Years and older
Enrollment
583 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2018 · Synced Oct 24, 2026, 6:39 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating Mechanisms of Action of Adaptive Goal-Setting for Physical Activity

NCT04505241
View directory record Official record
Conditions
Motivation, Physical Activity Promotion, Behavior Change, Mobile Health
Interventions
Remotely-delivered physical activity promotion
Behavioral
Lead sponsor
Drexel University
Other
Eligibility
18 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 13, 2021 · Synced Oct 24, 2026, 6:39 PM EDT
Active, not recruiting Not applicable Interventional

The Ganchero Intervention for Migrant People Who Inject Drugs From Puerto Rico in New York City

NCT06316739
View directory record Official record
Conditions
HIV Infections, HCV, Overdose
Interventions
Ganchero intervention
Behavioral
Lead sponsor
North Jersey AIDS Alliance dba North Jersey Community Research Initiative (NJCRI)
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 24, 2026 · Synced Oct 24, 2026, 6:39 PM EDT