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Showing 1–24 of 34 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Friends Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Using Feedback Reports to Improve Medication Adherence

NCT02480530
View directory record Official record
Conditions
Coronary Artery Disease, Adherence
Interventions
Individual Feedback, Feedback Friend
Behavioral
Lead sponsor
Corporal Michael J. Crescenz VA Medical Center
Federal
Eligibility
30 Years to 75 Years
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 29, 2018 · Synced Sep 17, 2026, 4:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

NIH R01 Friend to Friend With Coaching

NCT04164472
View directory record Official record
Conditions
Aggression
Interventions
Friend to Friend (F2F) with Coaching
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
7 Years and older
Enrollment
5,250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 31, 2026 · Synced Sep 17, 2026, 4:57 PM EDT
Not listed Early Phase 1 Interventional Accepts healthy volunteers

PrEP Talk: PrEP Uptake With Young Black MSM and Their Close Friends

NCT04601649
View directory record Official record
Conditions
HIV Negative and Not Yet on PrEP
Interventions
PrEP Talk
Behavioral
Lead sponsor
California State University, Dominguez Hills
Other
Eligibility
18 Years to 29 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 27, 2022 · Synced Sep 17, 2026, 4:57 PM EDT
Not yet recruiting Not applicable Interventional

PACU Discharge Readiness

NCT07588542
View directory record Official record
Conditions
Patient Discharge, Neurocognition, Baseline
Interventions
custom-created apps, neuropsychological testing, and clinical assessments
Diagnostic Test
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2032
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 13, 2026 · Synced Sep 17, 2026, 4:57 PM EDT
Completed Not applicable Interventional

Food and Friends: Healthy Meals Delivered to You

NCT06415370
View directory record Official record
Conditions
Mental Health Issue, Food Insecurity
Interventions
Home Delivered Healthy Meals, In-person "friendly visits", Student Companion calls
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
65 Years and older
Enrollment
66 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 6, 2025 · Synced Sep 17, 2026, 4:57 PM EDT
Completed No phase listed Observational

Influence of Parents and Friends on Children and Adolescents

NCT00875576
View directory record Official record
Conditions
Healthy
Interventions
Not listed
Lead sponsor
University at Buffalo
Other
Eligibility
5 Years to 14 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jun 27, 2010 · Synced Sep 17, 2026, 4:57 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Connecting Friends and Health Workers to Boost COVID-19 Vaccination in Latino Communities

NCT06128928
View directory record Official record
Conditions
COVID-19, Vaccine
Interventions
REDES, Control
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
900 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 11, 2025 · Synced Sep 17, 2026, 4:57 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Support for Bereaved Cancer Caregivers

NCT06662409
View directory record Official record
Conditions
Bereavement, Cancer, Caregiver, Grief
Interventions
Nature-based healing meditation (NBHM) intervention
Other
Lead sponsor
Michigan State University
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
East Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Sep 17, 2026, 4:57 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

PAIRS: Friend-Based AISA Intervention

NCT07433270
View directory record Official record
Conditions
Sexual Violence, College Drinking, Behavioral Changes
Interventions
Friend-Based Motivational Interview, Treatment as usual (TAU)
Behavioral
Lead sponsor
State University of New York at Buffalo
Other
Eligibility
18 Years to 24 Years · Female only
Enrollment
560 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 17, 2026, 4:57 PM EDT
Completed Not applicable Interventional Results available

Harnessing mHealth and Social Support to Improve Diabetes Related Health Behavior for Inner-city Patients

NCT01945996
View directory record Official record
Conditions
Diabetes Mellitus
Interventions
TExT MED, FANS
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 5, 2018 · Synced Sep 17, 2026, 4:57 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 13, 2024 · Synced Sep 17, 2026, 4:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Study of Having a Female Friend as Labor Support

NCT00127361
View directory record Official record
Conditions
Pregnancy, Delivery, Obstetric
Interventions
doula training
Behavioral
Lead sponsor
Saint Peters University Hospital
Other
Eligibility
16 Years to 45 Years · Female only
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2003
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 22, 2005 · Synced Sep 17, 2026, 4:57 PM EDT
Completed Phase 2 Interventional

Social Connections and Healthy Aging (The Senior Connection)

NCT01408654
View directory record Official record
Conditions
Suicidal Ideation, Depression
Interventions
Peer Companionship
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
60 Years and older
Enrollment
368 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 21, 2016 · Synced Sep 17, 2026, 4:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Safety and Effectiveness Study: Role Playing Game for Friends and Family of Service Members

NCT01807806
View directory record Official record
Conditions
Communication
Interventions
Role-playing game
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 86 Years
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 4, 2017 · Synced Sep 17, 2026, 4:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Friends/Family in the Abortion Procedure Room (FAIR)

NCT03227614
View directory record Official record
Conditions
Anxiety, Pain, Abortion
Interventions
Support Person Intervention
Behavioral
Lead sponsor
Planned Parenthood of Southwest and Central Florida
Other
Eligibility
Not listed
Enrollment
422 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Sep 8, 2019 · Synced Sep 17, 2026, 4:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Shelter Cat Adoption in Families of Children With Autism (Feline Friends)

NCT03625297
View directory record Official record
Conditions
Social Skills, Anxiety
Interventions
shelter cat
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
6 Years to 17 Years
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 1, 2020 · Synced Sep 17, 2026, 4:57 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

HIV Prevention and PrEP Intervention for SGM Adolescents and Parents: "Hey, Friend"

NCT04846946
View directory record Official record
Conditions
HIV Infections
Interventions
Hey, Friend
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
14 Years to 18 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 1, 2022 · Synced Sep 17, 2026, 4:57 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Recovery Inspired Support Engagement (RISE) Pilot

NCT07519759
View directory record Official record
Conditions
Support Persons, Family Members, Chosen Family, Romantic Partners, Friends, Caregivers, Substance Use Disorders
Interventions
ITC
Behavioral
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Belmont, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Sep 17, 2026, 4:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of a Safety App to Respond to Dating Violence for College Women and Their Friends

NCT02236663
View directory record Official record
Conditions
Intimate Partner Violence
Interventions
Usual Care Safety Planing App, Personalized App-Based Safety Decision Aid
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 24 Years
Enrollment
649 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
4
States / cities
Phoenix, Arizona • Baltimore, Maryland • Columbia, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2020 · Synced Sep 17, 2026, 4:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The S.M.A.R.T. Project: Stress Management and Resilience Training for Teens

NCT03270943
View directory record Official record
Conditions
Depression Mild, Resilience, Psychological, Adolescent Behavior
Interventions
MFY, HLG
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
14 Years to 17 Years
Enrollment
77 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 17, 2021 · Synced Sep 17, 2026, 4:57 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Miracle Messages Evaluation

NCT05408884
View directory record Official record
Conditions
Homelessness
Interventions
Social Support, Basic income
Other
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
759 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Nov 14, 2023 · Synced Sep 17, 2026, 4:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Facebook and Friends: Developing an Effective Online Social Network for Weight Loss

NCT02656680
View directory record Official record
Conditions
Weight Loss
Interventions
Continuous Enrollment, Closed Enrollment
Behavioral
Lead sponsor
University of Connecticut
Other
Eligibility
18 Years to 65 Years
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Storrs, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 20, 2024 · Synced Sep 17, 2026, 4:57 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Reducing Overdose and Substance Use-related Stigma by Training Non-substance-using Friends and Family Members of People Who Use Opioids to Be Harm Reduction Champions

NCT06823453
View directory record Official record
Conditions
Opioid Overdose Prevention, People Who Use Opioids/People With Opioid Use Disorder (OUD), Reduction of Substance Use-related Stigma, Non-substance-using People With a Friend or Family Member Who Uses Opioids, Peer Harm Reduction Support Champions
Interventions
Peer Harm Reduction Support Champion Intervention
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 23, 2026 · Synced Sep 17, 2026, 4:57 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Presence of Friends Increases Food Intake in Youth

NCT00874055
View directory record Official record
Conditions
Total Caloric Intake, Nutrient Dense Caloric Intake, Energy Dense Caloric Intake
Interventions
Not listed
Lead sponsor
University at Buffalo
Other
Eligibility
9 Years to 15 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Buffalo, New York
Source: ClinicalTrials.gov public record
Updated Apr 1, 2009 · Synced Sep 17, 2026, 4:57 PM EDT