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ClinicalTrials.gov public records Last synced Oct 18, 2026, 5:36 AM EDT

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Showing 121–144 of 217 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Peer Messaging Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Mobile-based Peer Mentoring for Smoking Cessation

NCT03048786
View directory record Official record
Conditions
Smoking Cessation, Tobacco Use
Interventions
Control, Peer Mentoring
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 1, 2023 · Synced Oct 18, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving Future Thinking Among Mothers to Reduce Harsh Parenting and Improve Child Outcomes

NCT05229146
View directory record Official record
Conditions
Behavioral Health
Interventions
Episodic Future Thinking
Behavioral
Lead sponsor
Henry Ford Health System
Other
Eligibility
Female only
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Flint, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 14, 2025 · Synced Oct 18, 2026, 5:36 AM EDT
Completed Not applicable Interventional

Children and Adolescents With Marfan Syndrome: 10,000 Healthy Steps and Beyond

NCT03567460
View directory record Official record
Conditions
Marfan Syndrome
Interventions
Exercise
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
10 Years to 19 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jul 27, 2020 · Synced Oct 18, 2026, 5:36 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

PrEPared and Strong: Clinic-Based PrEP for Black MSM

NCT02167386
View directory record Official record
Conditions
HIV/AIDS
Interventions
Enhanced PrEP Adherence, Standard PrEP Adherence
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Male only
Enrollment
204 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 17, 2018 · Synced Oct 18, 2026, 5:36 AM EDT
Completed Not applicable Interventional

Coping Peer Intervention for Adherence

NCT01169883
View directory record Official record
Conditions
Asthma
Interventions
Coping Peer Support, Doctor Asthma Messages, Coping Peer Asthma Messages, Asthma Supervision, Music Tracks
Behavioral
Lead sponsor
Rush University Medical Center
Other
Eligibility
11 Years to 16 Years
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 25, 2012 · Synced Oct 18, 2026, 5:36 AM EDT
Completed Not applicable Interventional Results available

Effectiveness Study of Community-Based, Peer-Led Education on Weight Loss and Diabetes

NCT01004848
View directory record Official record
Conditions
Pre-diabetes
Interventions
Peer-Led Lifestyle Education on Weight Loss
Behavioral
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
402 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 23, 2014 · Synced Oct 18, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Developing a PrEP Adherence Intervention Targeting At-Risk and Substance Using Women

NCT04396678
View directory record Official record
Conditions
HIV/AIDS
Interventions
PrEP standard of care+behavioral intervention
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years and older · Female only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 31, 2021 · Synced Oct 18, 2026, 5:36 AM EDT
Completed Not applicable Interventional

Healthy Growth Abbreviated Pilot Study

NCT01977105
View directory record Official record
Conditions
Childhood Obesity
Interventions
Grow Together peer group
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
18 Years and older · Female only
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 6, 2014 · Synced Oct 18, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

TechStep: Technology-based Stepped Care to Stem Transgender Adolescent Risk Transmission

NCT04000724
View directory record Official record
Conditions
HIV
Interventions
Text Messaging (Text+Step), WebApp (App+Step), Information/No Step
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
15 Years to 24 Years
Enrollment
254 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
5
States / cities
Los Angeles, California • Boston, Massachusetts • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2024 · Synced Oct 18, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Testing Multiple Behavioral Science Strategies to Increase Flu-Shot Rates at a Large Retail Pharmacy

NCT04590066
View directory record Official record
Conditions
Influenza, Human
Interventions
Flu shot text messages
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
734,383 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Oct 18, 2026, 5:36 AM EDT
Completed Not applicable Interventional

Effectiveness of Peer Support in Improving Heart Failure Self-Management and Care

NCT00508508
View directory record Official record
Conditions
Heart Failure, Congestive
Interventions
Interactive Voice Response System, Nurse-Led Group Clinic Visits
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
21 Years and older
Enrollment
266 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Ypsilanti, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 18, 2013 · Synced Oct 18, 2026, 5:36 AM EDT
Withdrawn Not applicable Interventional

A Brief Intervention for Young Adult Substance Users With Interpersonal Trauma

NCT07118826
View directory record Official record
Conditions
Heavy Drinking, Alcohol Drinking, Substance Use, Drinking Behavior
Interventions
Standard Brief Intervention, Trauma-Informed and Peer-Supported Brief Intervention
Behavioral
Lead sponsor
Western Kentucky University
Other
Eligibility
18 Years to 29 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Bowling Green, Kentucky
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 18, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study of the Implementation of an Electronic Consultation ("eConsult") Platform

NCT02376855
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
eConsult
Other
Lead sponsor
Community Health Center, Inc.
Industry
Eligibility
Not listed
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Middletown, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 3, 2015 · Synced Oct 18, 2026, 5:36 AM EDT
Not listed Not applicable Interventional

The Management of Diabetes in Everyday Life Program

NCT02957513
View directory record Official record
Conditions
Diabetes Mellitus, Chronic Disease
Interventions
Text Messaging (TM), Health Coaching (HC), Enhanced Usual Care (EC)
Behavioral
Lead sponsor
University of Tennessee
Other
Eligibility
18 Years and older
Enrollment
646 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
19
States / cities
Holly Springs, Mississippi • Bartlett, Tennessee • Covington, Tennessee + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 10, 2019 · Synced Oct 18, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Preventing Obesity in the Worksite: A Multi-Message, Multi-"Step" Approach

NCT01585480
View directory record Official record
Conditions
Obesity
Interventions
Weight Gain Prevention Intervention
Behavioral
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
499 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Duluth, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 22, 2023 · Synced Oct 18, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Communication & Peer Support Effects on Physical Activity in Overweight Postmenopausal Women

NCT01940016
View directory record Official record
Conditions
Healthy, Obesity, Postmenopausal
Interventions
communication intervention, exercise intervention
Behavioral
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
55 Years to 75 Years · Female only
Enrollment
71 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 30, 2020 · Synced Oct 18, 2026, 5:36 AM EDT
Recruiting Not applicable Interventional

SUpport From PEeRs to Expand Access Study - Community

NCT07186816
View directory record Official record
Conditions
Depression, Anxiety
Interventions
Behavioral: Supported dCBT, Behavioral: Unsupported dCBT
Device
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years to 100 Years
Enrollment
213 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 22, 2025 · Synced Oct 18, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study to Evaluate the Health and Wellness Policies of the New Haven Public School District.

NCT02043626
View directory record Official record
Conditions
Chronic Diseases, Obesity
Interventions
DISTRICT WELLNESS COMMITTEE, NUTRITIONAL QUALITY OF FOODS AND BEVERAGES ON CAMPUS, HEALTH PROMOTION AND MARKETING, OPPORTUNITIES FOR PHYSICAL ACTIVITY
Other
Lead sponsor
Yale University
Other
Eligibility
9 Years to 14 Years
Enrollment
796 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jan 17, 2018 · Synced Oct 18, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Primary Care Clinical Excellence Incentive Study

NCT04237883
View directory record Official record
Conditions
Behavioral Economics, Primary Health Care, Health Maintenance, Diabetes, Colorectal Cancer Screening, Cervical Cancer Screening, Chlamydia Screening, HPV Screening
Interventions
Standard communication email, Social comparison Intervention, Leadership Training
Behavioral
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Brentwood, California
Source: ClinicalTrials.gov public record
Updated Jan 26, 2021 · Synced Oct 18, 2026, 5:36 AM EDT
Recruiting Not applicable Interventional

Making Healthy Habits Stick

NCT06745180
View directory record Official record
Conditions
Cancer, Physical Activity, Cancer Survivor, Cancer Survivorship
Interventions
Short Message System (SMS), Peer Coach, Usual Care, Peer Coach and SMS
Behavioral
Lead sponsor
University of Tennessee
Other
Eligibility
19 Years and older · Female only
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Birmingham, Alabama • Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 1, 2025 · Synced Oct 18, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Randomized Evaluation of a Multi-Component, Rights-Based Sexuality Education Initiative for High School Students

NCT02009046
View directory record Official record
Conditions
Pregnancy, Sexually Transmitted Diseases
Interventions
SEI Classroom Curriculum, Control Classroom Curriculum, SEI Curriculum + 3 School Components, Control Curriculum + 1 School Component
Behavioral
Lead sponsor
Public Health Institute, California
Other
Eligibility
13 Years to 16 Years
Enrollment
1,909 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 29, 2018 · Synced Oct 18, 2026, 5:36 AM EDT
Completed Not applicable Interventional

A Web Site and Print Materials Intervention for Smoking Intervention for Childhood and Young Adult Cancer Survivors

NCT00588107
View directory record Official record
Conditions
Cancer
Interventions
Web Intervention, print materials
Other · Behavioral
Lead sponsor
Dana-Farber Cancer Institute
Other
Eligibility
18 Years to 55 Years
Enrollment
374 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2013
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 31, 2014 · Synced Oct 18, 2026, 5:36 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Conectados: Social Networks and Social Media for Vaccine Uptake

NCT07096245
View directory record Official record
Conditions
Vaccination
Interventions
Vaccine Information Video Dissemination
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
507 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 6, 2026 · Synced Oct 18, 2026, 5:36 AM EDT
Recruiting Phase 4 Interventional

Using Multiphase Optimization Strategy (MOST) to Optimize a Cost-effective, Sustainable and Scalable Smoking Cessation Package for Smokers in HIV Clinical Care

NCT06598397
View directory record Official record
Conditions
Human Immunodeficiency Virus (HIV), Smoking Cessation
Interventions
Motivational Interviewing (MI) Counseling, Peer Mentoring, Skills-based Text Messaging, Combination NRT
Behavioral · Drug
Lead sponsor
New York University
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 18, 2026, 5:36 AM EDT