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ClinicalTrials.gov public records Last synced Oct 18, 2026, 5:10 AM EDT

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Showing 1–24 of 30 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Peer Comparison Message Clear all
Completed Phase 2 Interventional Results available

DiaBetter Together for Young Adults With Type 1 Diabetes

NCT04247620
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
DiaBetter Together, Peer Mentor Delivery
Behavioral
Lead sponsor
Baylor College of Medicine
Other
Eligibility
17 Years to 35 Years
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 16, 2025 · Synced Oct 18, 2026, 5:10 AM EDT
Completed Not applicable Interventional

SMART Africa (Strengthening Mental Health Research and Training)

NCT03081195
View directory record Official record
Conditions
Comparison Group, Multiple Family Groups by Parent Peers, Multiple Family Groups by Community Health Workers
Interventions
MFG
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
8 Years to 99 Years
Enrollment
3,117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 25, 2024 · Synced Oct 18, 2026, 5:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Online Expert Peer Facilitation of the EVERYbody Project

NCT05336253
View directory record Official record
Conditions
Body Image, Eating Disorder Symptom, Weight Bias
Interventions
EVERYbody Project-Connect, Self-Help Workbook
Behavioral
Lead sponsor
Western Washington University
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Bellingham, Washington
Source: ClinicalTrials.gov public record
Updated Dec 18, 2023 · Synced Oct 18, 2026, 5:10 AM EDT
Completed Not applicable Interventional

Nudging Healthcare Organizations to Adopt New Care Delivery Practices

NCT04176146
View directory record Official record
Conditions
Delivery of Health Care
Interventions
Peer comparison and social norms messaging
Behavioral
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
2,387 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated Jun 26, 2020 · Synced Oct 18, 2026, 5:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Feasibility Study of Delivering Adolescent Nutrition Interventions Through School-Based Platforms in Ethiopia

NCT04121559
View directory record Official record
Conditions
Dietary Diversity
Interventions
School Interventions, Community Interventions, School System Interventions
Behavioral
Lead sponsor
International Food Policy Research Institute
Other
Eligibility
10 Years to 14 Years · Female only
Enrollment
1,712 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 Mar 10, 2022 · Synced Oct 18, 2026, 5:10 AM EDT
Completed Not applicable Interventional

A Social Media Intervention for Exercise Motivation and Cardiac Rehabilitation Adherence

NCT02971813
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Facebook
Behavioral
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 27, 2020 · Synced Oct 18, 2026, 5:10 AM EDT
Completed Not applicable Interventional Results available

Cell Phone Support to Promote Medication Adherence Among Adolescents and Young Adults With Chronic Illness

NCT04241627
View directory record Official record
Conditions
Medication Adherence
Interventions
Cell Phone Support
Behavioral
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
15 Years to 21 Years
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 8, 2024 · Synced Oct 18, 2026, 5:10 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Tobacco Cessation Texting Intervention for People Living With HIV Who Smoke in Vietnam

NCT05863923
View directory record Official record
Conditions
Tobacco Cessation
Interventions
mHealth Messaging to Motivate Quitline use and Quitting among Persons Living With HIV (PLWH) in Vietnam (M2Q2-HIV), M2Q2-HIV Comparison
Behavioral
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Oct 18, 2026, 5:10 AM EDT
Completed Not applicable Interventional

Shared Decision-making on Medical Tests and Care Cascades

NCT04902664
View directory record Official record
Conditions
Health Knowledge, Attitudes, Practice, Health Care Utilization
Interventions
Patient education materials, Physician peer-comparison email, Physician education materials, General visit preparation materials
Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
329 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 17, 2022 · Synced Oct 18, 2026, 5:10 AM EDT
Completed Not applicable Interventional

Nudges for Statin Prescribing in Primary Care

NCT04307472
View directory record Official record
Conditions
Cardiovascular Diseases
Interventions
Clinician Nudge, Patient Nudge
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
21 Years to 75 Years
Enrollment
4,131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 21, 2021 · Synced Oct 18, 2026, 5:10 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, 5:10 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, 5:10 AM EDT
Completed Not applicable Interventional Results available

Social Forces to Improve Statin Adherence (Study B)

NCT02148523
View directory record Official record
Conditions
Medication Adherence, High Blood Pressure, Diabetes
Interventions
Comparison to peers, Adherence feedback, Electronic pill bottle
Behavioral · Device
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 13, 2017 · Synced Oct 18, 2026, 5:10 AM EDT
Completed Not applicable Interventional Results available

Behavioral Economics to Improve Flu Vaccination Using EHR Nudges Replication

NCT06626321
View directory record Official record
Conditions
Behavior, Health, Flu, Flu Vaccination
Interventions
Pre-visit patient text messaging, Default pended order, Monthly peer comparison feedback, High risk bidirectional pre-visit text messaging
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
50 Years and older
Enrollment
26,248 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 30, 2026 · Synced Oct 18, 2026, 5:10 AM EDT
Active, not recruiting Not applicable Interventional

EPI-MINN: Targeting Cognition and Motivation - National

NCT05877716
View directory record Official record
Conditions
Psychosis, Psychosis Nos/Other, Schizophrenia, Schizo Affective Disorder, Schizoaffective Disorder, Prodromal Schizophrenia, Schizophrenia Spectrum and Other Psychotic Disorders, Schizophreniform Disorders, Major Depression With Psychotic Features, Unspecified Psychosis, Bipolar Disorder
Interventions
Cognitive and Social Cognitive Training, Personalized Real-Time Intervention for Motivational Enhancement (PRIME) App, Early Psychosis Coordinated Specialty Care
Device · Behavioral · Other
Lead sponsor
University of Minnesota
Other
Eligibility
15 Years to 40 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 10, 2026 · Synced Oct 18, 2026, 5:10 AM EDT
Active, not recruiting Not applicable Interventional

Peer Comparison Feedback to Providers to Improve Hypertension Control

NCT05160012
View directory record Official record
Conditions
Hypertension
Interventions
Peer Comparison Message
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 85 Years
Enrollment
93 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Lancaster, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Oct 18, 2026, 5:10 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, 5:10 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, 5:10 AM 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 18, 2024 · Synced Oct 18, 2026, 5:10 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Environmental Nudges on Dietary Quality

NCT06119165
View directory record Official record
Conditions
Healthy Diet
Interventions
Environmental nudges
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 25 Years
Enrollment
2,132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 3, 2024 · Synced Oct 18, 2026, 5:10 AM EDT
Completed Not applicable Interventional

Using Personalized Letters and Emails to Increase Health Insurance Take-up and Improve Plan Choice Quality

NCT05216458
View directory record Official record
Conditions
Health Behavior
Interventions
Emails and letter intervention, Control group
Behavioral
Lead sponsor
Office of Evaluation Sciences
Federal
Eligibility
Not listed
Enrollment
44,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jan 31, 2022 · Synced Oct 18, 2026, 5:10 AM EDT
Completed Not applicable Interventional Results available

Supporting Self-Management of Healthy Behaviors in Diabetes, Kidney Disease, and Hypertension

NCT05565716
View directory record Official record
Conditions
Renal Insufficiency, Chronic, Hypertension, Diabetes
Interventions
Support Person, Social Norms
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 8, 2026 · Synced Oct 18, 2026, 5:10 AM EDT
Completed Not applicable Interventional Results available

Behavioral Economics to Improve Flu Vaccination Using EHR Nudges

NCT06057727
View directory record Official record
Conditions
Behavior, Health, Flu, Flu Vaccination
Interventions
Pre-visit patient text messaging, Default pended order, Monthly peer comparison feedback, High risk bidirectional pre-visit text messaging
Behavioral
Lead sponsor
University of Pennsylvania
Other
Eligibility
50 Years and older
Enrollment
80,039 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Oct 18, 2026, 5:10 AM EDT
Not yet recruiting Phase 2 Interventional

Peer Support for Family Caregivers of Older Adults Living With Dementia

NCT07868718
View directory record Official record
Conditions
Caregiver Burden, Caregiver Burnout, Caregiver Anxiety, Alzheimer Disease Dementia
Interventions
Peer Support, Usual Care
Behavioral
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Enrollment
344 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 14, 2026 · Synced Oct 18, 2026, 5:10 AM EDT