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ClinicalTrials.gov public records Last synced Oct 18, 2026, 2:01 AM EDT

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Showing 73–96 of 217 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Peer Messaging Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Project e-PBI+ - Parent Intervention to Reduce College Student Drinking and Cannabis Use

NCT05345951
View directory record Official record
Conditions
Underage Drinking, Cannabis Use, Drinking, Teen, Drinking, College, College Drinking, Teen Drinking
Interventions
e-PBI
Behavioral
Lead sponsor
Penn State University
Other
Eligibility
18 Years to 19 Years
Enrollment
1,980 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Oct 18, 2026, 2:01 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

CommunityRx-Dementia + Peer Navigation (CRxDpeer)

NCT07346183
View directory record Official record
Conditions
Alzheimer s Disease, Dementia, Caregiver, Loneliness, Health-Related Social Needs, Social Care, Healthcare Utilization, End of Life Care, Caregiver Burden, Anxiety, Stress, Depression, Self-Efficacy, Peer Support, Implementation Science, Advance Care Planning
Interventions
CommunityRx-Dpeer
Other
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
330 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 18, 2026, 2:01 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Get Fruved: Obesity Prevention for Older Adolescents

NCT02941497
View directory record Official record
Conditions
Obesity
Interventions
Social marketing and health promotion campaign
Behavioral
Lead sponsor
The University of Tennessee, Knoxville
Other
Eligibility
Up to 24 Years
Enrollment
5,800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
7
States / cities
Gainesville, Florida • Manhattan, Kansas • Orono, Maine + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 29, 2020 · Synced Oct 18, 2026, 2:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Promoting Human Papillomavirus (HPV) Vaccination Through African American Beauty Salons

NCT01461408
View directory record Official record
Conditions
Human Papilloma Virus
Interventions
Health Education Session
Behavioral
Lead sponsor
MEE Productions, Inc.
Other
Eligibility
Female only
Enrollment
240 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 10, 2013 · Synced Oct 18, 2026, 2:01 AM EDT
Completed Not applicable Interventional

Healthy Eating, Physical Activity, and Glycemic Control in Young Children With T1D

NCT02343146
View directory record Official record
Conditions
Diabetes Mellitus, Type 1
Interventions
Type One Training (TOT)
Behavioral
Lead sponsor
Randi Streisand
Other
Eligibility
21 Years to 99 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 2, 2019 · Synced Oct 18, 2026, 2:01 AM EDT
Completed Not applicable Interventional

Intervention to Prevent Peer Violence & Depressive Symptoms Among At-Risk Adolescents

NCT03626103
View directory record Official record
Conditions
Depressive Disorder, Violence
Interventions
+ Brief ED Intervention (BI), + Text
Behavioral
Lead sponsor
Rhode Island Hospital
Other
Eligibility
13 Years to 17 Years
Enrollment
620 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2025
U.S. locations
2
States / cities
New Haven, Connecticut • Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 18, 2026, 2:01 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Assessing the Impact of myHealth Rewards Program-related Communications on Enrollment: Replication

NCT04289623
View directory record Official record
Conditions
Health Promotion, Wellness Program
Interventions
Email, Loss frame, Testimonial (medical expert), Testimonial (rank-and-file), Social norms (percentage), Social norms (number)
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years and older
Enrollment
13,546 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Danville, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 9, 2021 · Synced Oct 18, 2026, 2:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Smartphone App to Improve Physical Activity

NCT03417440
View directory record Official record
Conditions
Sedentary Lifestyle
Interventions
Physical Activity (PA) Tracker App, On Your Feet, Coach Me, Proof Positive
Other
Lead sponsor
University of Southern California
Other
Eligibility
65 Years to 84 Years
Enrollment
111 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
2
States / cities
Glendale, California • Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 21, 2022 · Synced Oct 18, 2026, 2:01 AM 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 27, 2026 · Synced Oct 18, 2026, 2:01 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Furthering Equity Through Infant Feeding EDucation and Support

NCT05441709
View directory record Official record
Conditions
Breastfeeding
Interventions
Ci-BPC with Standard of Care (SOC)
Behavioral
Lead sponsor
Endeavor Health
Other
Eligibility
18 Years to 45 Years
Enrollment
990 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
4
States / cities
Chicago, Illinois • Evanston, Illinois • Highland Park, Illinois
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Oct 18, 2026, 2:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness Trial of Youth Suicide Prevention Delivered by Teen Peer Leaders

NCT02043093
View directory record Official record
Conditions
Suicide Prevention
Interventions
Sources of Strength
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
13 Years to 20 Years
Enrollment
17,603 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2016
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jan 5, 2017 · Synced Oct 18, 2026, 2:01 AM EDT
Completed Not applicable Interventional

De-adopting Routine Preoperative Benzodiazepines for Older Surgical Patients

NCT05436392
View directory record Official record
Conditions
Surgery, Aging
Interventions
Peer Comparison Feedback, Patient Informational Letter
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
65 Years and older
Enrollment
517,611 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 18, 2024 · Synced Oct 18, 2026, 2:01 AM EDT
Not listed Not applicable Interventional

CPAP Adherence Pilot Study Among African Americans

NCT05955287
View directory record Official record
Conditions
Sleep Apnea
Interventions
Telemonitoring, Peer Based, CPAP Education, Usual Care
Behavioral
Lead sponsor
MetroHealth Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 21, 2023 · Synced Oct 18, 2026, 2:01 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Peer-to-peer Tobacco and ENDS Prevention

NCT03491865
View directory record Official record
Conditions
Substance Use
Interventions
REAL media Plus curriculum
Behavioral
Lead sponsor
Real Prevention, LLC
Industry
Eligibility
13 Years to 16 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Clifton, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 11, 2019 · Synced Oct 18, 2026, 2:01 AM EDT
Enrolling by invitation Not applicable Interventional

Supporting Peer Interactions to Expand Access to Digital Cognitive Behavioral Therapy for Spanish-speaking Patients

NCT05746767
View directory record Official record
Conditions
Depression, Anxiety
Interventions
Supported dCBT, Unsupported dCBT
Behavioral
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
426 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
11
States / cities
Payson, Arizona • Tucson, Arizona • Berkeley, California + 4 more
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 18, 2026, 2:01 AM EDT
Not listed Not applicable Interventional

Peer-led and Telehealth Comparative Effectiveness Research (CER) Adoption for Diabetes Prevention and Management

NCT01307137
View directory record Official record
Conditions
Diabetes, Pre-diabetes
Interventions
Peer-led intervention, Telehealth Intervention
Behavioral
Lead sponsor
South Florida Veterans Affairs Foundation for Research and Education
Federal
Eligibility
60 Years and older
Enrollment
85 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
2
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Mar 2, 2011 · Synced Oct 18, 2026, 2:01 AM EDT
Completed Not applicable Interventional

Web-Based Weight Loss & Weight Maintenance Intervention for Older Rural Women, Also Known as Women Weigh-in for Wellness

NCT01307644
View directory record Official record
Conditions
Overweight and Obesity
Interventions
Experimental: Web-based only (WO) weight intervention, Experimental: WO plus peer-led discussion board (WD), Experimental: WO & professional email counseling (WE)
Behavioral
Lead sponsor
University of Nebraska
Other
Eligibility
40 Years to 69 Years · Female only
Enrollment
301 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Oct 18, 2026, 2:01 AM EDT
Active, not recruiting Not applicable Interventional

A Trial to Reduce Inappropriate Prescribing to Older Adults Visiting the Emergency Department

NCT07146763
View directory record Official record
Conditions
Inappropriate Prescribing
Interventions
Prescribing Feedback
Behavioral
Lead sponsor
Yale University
Other
Eligibility
Not listed
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 18, 2026, 2:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Engaging Native Hawaiian/Pacific Islanders and Activating Communities to Take Steps (ENACTS)

NCT03484364
View directory record Official record
Conditions
Hypertension
Interventions
ENACTS
Behavioral
Lead sponsor
Washington State University
Other
Eligibility
18 Years and older
Enrollment
182 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2025
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Oct 18, 2026, 2:01 AM EDT
Terminated Not applicable Interventional

Using AI and Peer Coaching to Address Racial Disparities Among People Who Use Opioids

NCT06569667
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
PRC supported text + AI driven SDH-enhanced text, AI driven SDH-enhanced text only, Treatment as Usual (TAU)
Behavioral
Lead sponsor
Friends Research Institute, Inc.
Other
Eligibility
18 Years to 99 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 18, 2026, 2:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

COVID-19 Vaccine Uptake Trial

NCT05419232
View directory record Official record
Conditions
Vaccination Refusal, COVID-19
Interventions
Short Message Service (SMS) + Website Link Strategy, Phone Call with Peer Strategy
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
Not listed
Enrollment
262 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
8
States / cities
Hazelwood, Missouri • Jennings, Missouri • Saint Ann, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2026 · Synced Oct 18, 2026, 2:01 AM EDT
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Initiative for Chinese Sex Workers to Promote Wellbeing and Improve HIV Prevention by Reducing intersEctional Stigma

NCT07103525
View directory record Official record
Conditions
HIV Prevention, Wellbeing
Interventions
INSPIRE Initiative, Standard of Care
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older · Female only
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
3
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 29, 2026 · Synced Oct 18, 2026, 2:01 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Gain and Loss Framed Text Messaging to Reduce Drinking Among Older Adults

NCT06126107
View directory record Official record
Conditions
Alcohol Consumption
Interventions
Brief Normative Feedback, Loss-framed Text-messaging, Gain-framed Text-messaging
Behavioral
Lead sponsor
Hunter College of City University of New York
Other
Eligibility
50 Years to 85 Years
Enrollment
133 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 13, 2025 · Synced Oct 18, 2026, 2:01 AM EDT
Completed Not applicable Interventional

A Brief Intervention for Alcohol Users With Interpersonal Trauma

NCT05414344
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, Assessment only
Behavioral
Lead sponsor
Western Kentucky University
Other
Eligibility
18 Years to 25 Years
Enrollment
284 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Bowling Green, Kentucky
Source: ClinicalTrials.gov public record
Updated Sep 10, 2026 · Synced Oct 18, 2026, 2:01 AM EDT