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ClinicalTrials.gov public records Last synced Oct 29, 2026, 2:56 PM EDT

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Showing 1–24 of 38 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Friend and target Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Impacts of Public Announcements of Goals and Outcomes on Goal Completion (Commit to Steps)

NCT01811407
View directory record Official record
Conditions
Behavior and Behavior Mechanisms
Interventions
Precommitment announcement, Results announcement, Walking program
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 3, 2014 · Synced Oct 29, 2026, 2:56 PM EDT
Completed No phase listed Observational

Engaging Care for HIV-infected Adolescent Females.

NCT00489034
View directory record Official record
Conditions
HIV Infection
Interventions
Quantitative Interview, Ethnographic Interview, Gender Interview
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
13 Years to 23 Years · Female only
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
5
States / cities
Los Angeles, California • Miami, Florida • Chicago, Illinois + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 6, 2017 · Synced Oct 29, 2026, 2:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Sharing Digital Self-Monitoring Data With Others to Enhance Long-Term Weight Loss

NCT05180448
View directory record Official record
Conditions
Overweight, Obesity
Interventions
Coach Share On, Group Share On, Friend/Family Share On, Coach Share Off, Group Share Off, Friend/Family Share Off, Behavioral Weight Loss Treatment
Behavioral
Lead sponsor
Drexel University
Other
Eligibility
18 Years to 70 Years
Enrollment
321 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 7, 2026 · Synced Oct 29, 2026, 2:56 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effectiveness of Video Messaging About Diet, Exercise and Weight Gain in Pregnancy in Regional and National Samples

NCT02490579
View directory record Official record
Conditions
Pregnancy, Weight Gain
Interventions
Responses to Brief Video Messages (Facebook), Response to Brief Video Messages (Clinic), Response to Brief Video Messages (Social Network)
Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
1,670 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 23, 2016 · Synced Oct 29, 2026, 2:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Impact of a Smartphone Application on Postpartum Weight Loss and Breastfeeding Rates Among Low-income, Urban Women

NCT03167073
View directory record Official record
Conditions
Breastfeeding
Interventions
BreastFeeding Friend (BFF), dummy app
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older · Female only
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 20, 2021 · Synced Oct 29, 2026, 2:56 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Peer MI in FQHCs for Substance-using Emerging Adults

NCT03758131
View directory record Official record
Conditions
Substance Use Disorders
Interventions
Peer-enhanced Motivational Interviewing, Motivational Interviewing, Waitlist Control
Behavioral · Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years to 29 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 29, 2018 · Synced Oct 29, 2026, 2:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Does Social Buffering Continue to be Effective Over the Peripubertal Period When Friends Share the Stressor Experience?

NCT04311996
View directory record Official record
Conditions
Adolescent Behavior, Social Stress
Interventions
Friend and target, Friend support, unfamiliar peer and target, alone
Other
Lead sponsor
University of Minnesota
Other
Eligibility
11 Years to 14 Years
Enrollment
269 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 24, 2025 · Synced Oct 29, 2026, 2:56 PM EDT
Active, not recruiting Not applicable Interventional

Crisis Response Planning for Military Personnel

NCT05795764
View directory record Official record
Conditions
Suicidal, Suicide Threat, Suicidal Ideation
Interventions
Crisis Response Planning, Treatment as Usual
Behavioral
Lead sponsor
United States Naval Medical Center, San Diego
Federal
Eligibility
18 Years and older
Enrollment
700 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Oct 29, 2026, 2:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Digital Intervention to Prevent Initiation of Opioid Misuse in Adolescents in School-based Health Centers

NCT04109599
View directory record Official record
Conditions
Opioid Misuse
Interventions
PlaySmart, PlaySmart Storyline, Play Smart Mini-Game
Behavioral
Lead sponsor
Yale University
Other
Eligibility
16 Years to 19 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 8, 2022 · Synced Oct 29, 2026, 2:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Hybrid Effectiveness-Implementation Trial of Group CBT in Urban Schools

NCT02651402
View directory record Official record
Conditions
Anxiety Disorders
Interventions
FRIENDS for Life, Adapted FRIENDS, Train-the-Trainer, Train-the-Trainer Plus
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
8 Years to 99 Years
Enrollment
495 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 8, 2021 · Synced Oct 29, 2026, 2:56 PM EDT
Recruiting Phase 4 Interventional

Varenicline for Smoking Reduction in Veterans Not Ready To Quit

NCT06966362
View directory record Official record
Conditions
Veterans, Tobacco Use Disorder, Cigarette Smoking, Tobacco Dependence
Interventions
Motivation-Phase Varenicline, Motivation-Phase Nicotine Mini-Lozenge, Cessation-Phase Combination Nicotine Replacement Therapy (NRT), Cessation-Phase Varenicline, Motivation-Phase Counseling, Cessation-Phase Counseling
Drug · Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
21 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
4
States / cities
San Diego, California • Minneapolis, Minnesota • Durham, North Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2026 · Synced Oct 29, 2026, 2:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Testing Health Games for Adolescent Physical Activity

NCT01171261
View directory record Official record
Conditions
Sedentary Lifestyle
Interventions
Health Games Field Trial
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
11 Years to 15 Years
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jun 11, 2012 · Synced Oct 29, 2026, 2:56 PM EDT
Completed Not applicable Interventional

A Mobile Intervention to Promote Cessation in HIV-infected Smokers

NCT02432482
View directory record Official record
Conditions
Tobacco Use, HIV-1-infection
Interventions
mobile Positively Smoke Free (mPSF), Standard care
Behavioral
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 31, 2023 · Synced Oct 29, 2026, 2:56 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

BRIDGE & Friends Trial

NCT07798557
View directory record Official record
Conditions
Obesity & Overweight
Interventions
Social Network Curriculum
Behavioral
Lead sponsor
University of Illinois Chicago
Other
Eligibility
50 Years to 79 Years
Enrollment
532 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 1, 2026 · Synced Oct 29, 2026, 2:56 PM EDT
Completed Not applicable Interventional

Strengthening Skills Behavioral Intervention for Adults With Autism Spectrum Disorder

NCT04802434
View directory record Official record
Conditions
Autism Spectrum Disorder
Interventions
Strengthening Skills Program, PEERS Social Skills Program
Behavioral
Lead sponsor
Southwest Autism Research & Resource Center
Other
Eligibility
21 Years to 70 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Nov 22, 2023 · Synced Oct 29, 2026, 2:56 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Peer-Oriented HIV Prevention Outreach Program for Individuals at High Risk for HIV and Other STIs

NCT00183456
View directory record Official record
Conditions
HIV Infections, Sexually Transmitted Diseases
Interventions
Peer-oriented intervention, Group cognitive behavioral therapy (CBT)
Behavioral
Lead sponsor
Johns Hopkins Bloomberg School of Public Health
Other
Eligibility
18 Years to 74 Years
Enrollment
746 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 28, 2013 · Synced Oct 29, 2026, 2:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Protecting Allies in Risky Situations

NCT04691492
View directory record Official record
Conditions
Sexual Assault, College Drinking, Behavioral Changes
Interventions
Friend-Based Motivational Interview
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 24 Years · Female only
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Nov 14, 2024 · Synced Oct 29, 2026, 2:56 PM EDT
Not listed Not applicable Interventional

Combination of Active or Placebo Attentional Bias Modification Treatment (ABMT) to Either Cognitive Behavioral Group Therapy (CBGT) or Psychoeducational Control Intervention (PCI) for Anxiety Disorders in Children

NCT01687764
View directory record Official record
Conditions
Generalized Anxiety Disorder, Separation Anxiety Disorder, Social Anxiety Disorder
Interventions
Attentional Bias Modification Treatment (ABMT) - Active, Attentional Bias Modification Treatment - Placebo, Cognitive Behavioral Group Therapy, Psychoeducational Control Intervention
Other · Behavioral
Lead sponsor
Hospital de Clinicas de Porto Alegre
Other
Eligibility
7 Years to 11 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 19, 2012 · Synced Oct 29, 2026, 2:56 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Targeting Adolescent Depressive Symptoms Via Brief, Web-Based Interventions

NCT04066985
View directory record Official record
Conditions
Depression, Depressive Disorder, Behavioral Symptoms, Mood Disorders, Mental Disorders
Interventions
Growth Mindset Online Single-Session Program, Self-Kindness Online Single-Session Program, Supportive Therapy Online Single-Session Program (Control)
Behavioral
Lead sponsor
Child Mind Institute
Other
Eligibility
11 Years to 17 Years
Enrollment
501 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Oct 4, 2019 · Synced Oct 29, 2026, 2:56 PM EDT
Recruiting Phase 2 Interventional

Integration of Cognitive Processing Therapy and Relapse Prevention for Alcohol Use Disorder and PTSD

NCT05959434
View directory record Official record
Conditions
Posttraumatic Stress Disorder, Alcohol Use Disorder
Interventions
Cognitive Processing Therapy + Relapse Prevention, Relapse Prevention
Behavioral
Lead sponsor
Texas A&M University
Other
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
2
States / cities
Charleston, South Carolina • College Station, Texas
Source: ClinicalTrials.gov public record
Updated Apr 24, 2026 · Synced Oct 29, 2026, 2:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of a Remote Training Strategy

NCT05039164
View directory record Official record
Conditions
Behavior Disorders
Interventions
Coping Power Program (CPP), CBT for Anxiety Treatment in Schools (CATS), Check-in/Check-out (CI/CO), Initial Training (CC), Initial Training plus Video (RV), Initial Training plus Video plus Coaching (RV+)
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
8 Years to 99 Years
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 15, 2025 · Synced Oct 29, 2026, 2:56 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

RCT of a Brief Video Intervention Targeting Peer Inclusion to Reduce Depression-related Stigma in Adolescents

NCT06360107
View directory record Official record
Conditions
Depression, Adolescent - Emotional Problem, Stigma, Social, Help-Seeking Behavior
Interventions
brief video
Other
Lead sponsor
New York State Psychiatric Institute
Other
Eligibility
14 Years to 18 Years
Enrollment
645 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced Oct 29, 2026, 2:56 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Non-invasive Measurement of Cerebrovascular Reactivity After Traumatic Brain Injury

NCT02990078
View directory record Official record
Conditions
TBI
Interventions
Sildenafil citrate, Functional Near Infared Spectroscopy, Hypercapnia Challenge
Drug · Device · Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 13, 2022 · Synced Oct 29, 2026, 2:56 PM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Peer MI for Substance-using Emerging Adults

NCT03264872
View directory record Official record
Conditions
Substance-Related Disorders
Interventions
Peer-Enhanced Motivational Interviewing, Waitlist Control
Behavioral · Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
18 Years to 29 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 12, 2018 · Synced Oct 29, 2026, 2:56 PM EDT