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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Environmental messages Clear all
Withdrawn Not applicable Interventional Accepts healthy volunteers

Computerized Screening and Brief Physician Advice to Reduce Teen Drinking

NCT00849589
View directory record Official record
Conditions
Alcohol Abuse, Risk Behavior
Interventions
Computerized screening and brief physician advice, Computerized SBA with technological extenders
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
12 Years to 21 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 6, 2016 · Synced Sep 23, 2026, 5:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating a Messaging Campaign in the United States

NCT04562636
View directory record Official record
Conditions
Obesity, Heart Diseases, Cancer
Interventions
Environmental message, Health message, Neutral Message
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
1,244 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 4, 2020 · Synced Sep 23, 2026, 5:46 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Community Colorectal Cancer Awareness, Research, Education & Screening (C-CARES)

NCT03906110
View directory record Official record
Conditions
Colorectal Cancer
Interventions
Community Colorectal Cancer Awareness, Research, Education & Screening (C-CARES) Materials, Contact Message, Personalized One on One Education, Fecal Immunochemical Test (FIT)
Behavioral · Diagnostic Test
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
50 Years to 75 Years
Enrollment
327 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Apr 19, 2023 · Synced Sep 23, 2026, 5:46 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Water is K'é: Multi-level Intervention to Promote Healthy Beverage Choices Among Navajo Families

NCT06020027
View directory record Official record
Conditions
Water, Child Nutrition, Family Dynamics, Healthy Nutrition, Healthy Lifestyle, Health-Related Behavior, Obesity Prevention
Interventions
Water is K'é
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
2 Years and older
Enrollment
1,160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Window Rock, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 23, 2025 · Synced Sep 23, 2026, 5:46 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Exercise Reset for Concussion in a Military Environment

NCT05498038
View directory record Official record
Conditions
Brain Concussion
Interventions
Aerobic Exercise
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 40 Years
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
2
States / cities
Fayetteville, North Carolina • Jacksonville, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Sep 23, 2026, 5:46 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Literacy and Smoking Risk Communications

NCT00684437
View directory record Official record
Conditions
Smoking
Interventions
Focus Group, Questionnaire
Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 70 Years
Enrollment
494 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2028
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Sep 23, 2026, 5:46 PM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Optimizing an Evidence-Based, Disseminable, Free Internet-Based Parenting Program

NCT05689736
View directory record Official record
Conditions
Parenting Practices
Interventions
Motivational Enhancement, Simplification, Gamification, Low Engagement Nudges, Essentials for Parenting Toddlers and Pre-schoolers (EFP)
Behavioral
Lead sponsor
New York University
Other
Eligibility
18 Years to 99 Years
Enrollment
859 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Rockville, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Sep 23, 2026, 5:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Text Messages in Preventing Tobacco Use in Young Adults

NCT03457480
View directory record Official record
Conditions
Healthy Subject
Interventions
Computer-Assisted Intervention, Focus Group, Informational Intervention, Survey Administration
Other · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years to 25 Years
Enrollment
781 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Sep 23, 2026, 5:46 PM EDT
Terminated Not applicable Interventional

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

NCT06315296
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 2, 2026 · Synced Sep 23, 2026, 5:46 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Mobile Media-Rich Interactive Guideline System (MMRIGS) Pilot Study

NCT02302859
View directory record Official record
Conditions
Tobacco Use Cessation
Interventions
Nicotine Patch, Questionnaires, Pamphlet, Phone Counseling Sessions, Saliva Test, Smart phone
Drug · Behavioral · Other + 1 more
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 26, 2020 · Synced Sep 23, 2026, 5:46 PM EDT
Active, not recruiting Not applicable Interventional

Nurturing Care Family Navigator

NCT06859372
View directory record Official record
Conditions
Food Insecurity Among Children, Food Insecurity in Post Partum Women, Care Coordination in Primary Care, Preventive Care / Anticipatory Guidance, Retention in Care
Interventions
Nurturing Care Family Navigator
Behavioral
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years and older · Female only
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Sep 23, 2026, 5:46 PM EDT
Recruiting Not applicable Interventional

Design and Feasibility of an SMS-based Safety Planning Intervention

NCT07365579
View directory record Official record
Conditions
Suicidal Ideation and Behavior
Interventions
Text Messaging based Safety Planning Intervention, Facilitated Referral to Crisis Resources
Behavioral
Lead sponsor
Northwestern University
Other
Eligibility
18 Years to 24 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 23, 2026, 5:46 PM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Getting to Zero Among HHI MSM in the American South

NCT05075967
View directory record Official record
Conditions
HIV Infections
Interventions
Health Access Coalitions, Social Media, Peer Support, Promoting Human Autonomy Support & Empathy (PHASE)
Behavioral
Lead sponsor
HIV Prevention Trials Network
Network
Eligibility
15 Years and older · Male only
Enrollment
2,700 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 12, 2026 · Synced Sep 23, 2026, 5:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Developmental Monitoring and Language Promotion

NCT03732911
View directory record Official record
Conditions
Child Development
Interventions
Intervention
Behavioral
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 99 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Jul 9, 2019 · Synced Sep 23, 2026, 5:46 PM EDT
Completed Not applicable Interventional

A Text Messaging Program to Help Prevent Early Opioid Relapse

NCT02846649
View directory record Official record
Conditions
Substance-Related Disorders
Interventions
PIER
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 60 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 4, 2017 · Synced Sep 23, 2026, 5:46 PM EDT
Completed Not applicable Interventional Results available

Pilot Randomized Controlled Trial (RCT): Remote SBIRT Vs. In-Person SBIRT

NCT04630249
View directory record Official record
Conditions
Pregnancy, Substance Use, Depression, Anxiety
Interventions
Listening to Women and Pregnant and Postpartum People
Behavioral
Lead sponsor
Medical University of South Carolina
Other
Eligibility
18 Years to 41 Years · Female only
Enrollment
415 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Oct 17, 2024 · Synced Sep 23, 2026, 5:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Encouraging Healthy and Sustainable Dietary Substitutions

NCT06175026
View directory record Official record
Conditions
Food Selection
Interventions
Health messages, Environmental messages, Health and environmental messages, Neutral messages
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 25 Years
Enrollment
1,753 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Nov 11, 2024 · Synced Sep 23, 2026, 5:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Researching Engagement With Educational Lifestyle Content

NCT07048483
View directory record Official record
Conditions
Diet Quality
Interventions
Nutrition Education, control group
Behavioral · Other
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 65 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Dec 14, 2025 · Synced Sep 23, 2026, 5:46 PM EDT
Completed Not applicable Interventional Results available

Connect 4 Health: An Intervention to Improve Childhood Obesity Outcomes

NCT02124460
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Health Coaching
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
2 Years to 12 Years
Enrollment
721 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 9, 2017 · Synced Sep 23, 2026, 5:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Kids SipSmartER, an Intervention to Reduce Sugar-sweetened Beverages

NCT03740113
View directory record Official record
Conditions
Sugary Beverages
Interventions
Kids SipSmartER
Behavioral
Lead sponsor
University of Virginia
Other
Eligibility
10 Years to 85 Years
Enrollment
1,013 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 14, 2025 · Synced Sep 23, 2026, 5:46 PM EDT
Recruiting Not applicable Interventional

A Primary Care Based Intervention to Prevent Childhood Obesity Among Low-income Latino Children

NCT06398509
View directory record Official record
Conditions
Obesity, Childhood
Interventions
Control, Futuros Fuertes 2.0
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
7 Days to 2 Months
Enrollment
576 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
2
States / cities
San Francisco, California • Sunnyvale, California
Source: ClinicalTrials.gov public record
Updated Apr 15, 2026 · Synced Sep 23, 2026, 5:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Healthy Children, Strong Families: American Indian Communities Preventing Obesity

NCT01776255
View directory record Official record
Conditions
Obesity, Overweight
Interventions
Healthy Children, Strong Families, Child Safety
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
2 Years to 5 Years
Enrollment
900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
5
States / cities
White Earth, Minnesota • Browning, Montana • Albuquerque, New Mexico + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 25, 2017 · Synced Sep 23, 2026, 5:46 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Communicating Multiple Disease Risks: A Translation of Risk Prediction Science

NCT03255291
View directory record Official record
Conditions
Healthy Volunteers
Interventions
Risk Assessment App, Audio Recording - Sleep, Surveys, Audio Recording - Exercise, Text message reminders, Text Message Survey
Behavioral · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
30 Years to 64 Years
Enrollment
554 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 17, 2020 · Synced Sep 23, 2026, 5:46 PM EDT
Completed Not applicable Interventional Results available

Dietary Prevention of Heart Failure in Hypertensive Metabolic Syndrome

NCT03170375
View directory record Official record
Conditions
Heart Failure
Interventions
Performance of WHEELS-I in promoting DASH/SRD adoption
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
45 Years and older
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 9, 2025 · Synced Sep 23, 2026, 5:46 PM EDT