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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Social Influence Clear all
Not listed Not applicable Interventional

Tipping Point: Using Social Network Theory to Accelerate Scale and Impact

NCT05777473
View directory record Official record
Conditions
Contraception
Interventions
Household Visits, Small Groups, Adopt-a-Friend
Behavioral
Lead sponsor
University of California, San Diego
Other
Eligibility
15 Years and older
Enrollment
3,825 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated May 22, 2024 · Synced Sep 2, 2026, 10:04 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Chrononutrition and Adolescent Weight Control

NCT04256863
View directory record Official record
Conditions
Adolescent Obesity, Diet, Weight Loss, Sleep
Interventions
Breakfast / Lunch, Dinner (DIN)
Behavioral
Lead sponsor
The Miriam Hospital
Other
Eligibility
13 Years to 17 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Sep 1, 2020 · Synced Sep 2, 2026, 10:04 PM EDT
Recruiting Not applicable Interventional

Influence Of A Slope Adaptive Foot On Participation Of Veterans With Lower-Limb Amputations

NCT07266077
View directory record Official record
Conditions
Amputation
Interventions
Fillauer Slope Adaptive Foot, Fillauer Motion Foot SLX
Device
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 89 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 2, 2026, 10:04 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

The Influence of Testosterone on Experimental Pain Perception

NCT05781685
View directory record Official record
Conditions
Acute Pain
Interventions
Testosterone, Placebo Syrup
Drug · Other
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Aug 4, 2024 · Synced Sep 2, 2026, 10:04 PM EDT
Not yet recruiting Not applicable Interventional

Deaf CBT-TS to Reduce Suicide Risk

NCT07279363
View directory record Official record
Conditions
Depression - Major Depressive Disorder, Anxiety, PTSD - Post Traumatic Stress Disorder, Insomnia, Alcohol Use Disorder (AUD), Suicide Ideation
Interventions
Deaf CBT-TS
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Jun 21, 2026 · Synced Sep 2, 2026, 10:04 PM EDT
Completed Phase 3 Interventional Results available

Hutchinson Smoking Prevention Project

NCT00115869
View directory record Official record
Conditions
Smoking Among Youth
Interventions
Social-influences
Behavioral
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
7 Years to 9 Years
Enrollment
8,388 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1984 – 1999
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Nov 28, 2012 · Synced Sep 2, 2026, 10:04 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Influence of Social and Environmental Factors on Women's Reproductive Function in a Maya Community of Guatemala

NCT00340782
View directory record Official record
Conditions
Early Pregnancy
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
16 Years to 42 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
2
States / cities
Ann Arbor, Michigan • Research Triangle Park, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 2, 2026, 10:04 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 2, 2026, 10:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Physical and Social Environmental Influence on Children's Exercise: Preparation (Pre-PLACE)

NCT03087123
View directory record Official record
Conditions
Physical Activity
Interventions
P-Mobile App
Behavioral
Lead sponsor
Pennington Biomedical Research Center
Other
Eligibility
6 Years to 10 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 27, 2022 · Synced Sep 2, 2026, 10:04 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

The College, Alcohol and Peers Study (CAPS)

NCT03890484
View directory record Official record
Conditions
Alcohol Drinking
Interventions
Peer Type - New Peer, Peer Type - Close Friends
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
21 Years to 24 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 16, 2024 · Synced Sep 2, 2026, 10:04 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

An Open Label Demonstration Project and Phase II Safety Study of Pre-Exposure Prophylaxis

NCT01772823
View directory record Official record
Conditions
HIV Infection
Interventions
3MV, PCC, Emtricitabine/tenofovir (FTC/TDF (Truvada®))
Behavioral · Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 22 Years · Male only
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
12
States / cities
Los Angeles, California • Aurora, Colorado • Miami, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Jan 16, 2018 · Synced Sep 2, 2026, 10:04 PM 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 28, 2020 · Synced Sep 2, 2026, 10:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Influence of Melatonin on Cardiovascular and Thermoregulatory Responses to Stress

NCT07138443
View directory record Official record
Conditions
Stress, Mental Stress
Interventions
Melatonin 3 MG Oral Tablet, Placebo Oral Tablet
Dietary Supplement
Lead sponsor
Baylor University
Other
Eligibility
18 Years to 70 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Waco, Texas
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Sep 2, 2026, 10:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Healthy Habits, Happy Homes: An Intervention to Improve Household Routines for Obesity Prevention

NCT01565161
View directory record Official record
Conditions
Obesity
Interventions
Home-Based Health Coaching, Mailed materials
Behavioral
Lead sponsor
Harvard Pilgrim Health Care
Other
Eligibility
2 Years to 5 Years
Enrollment
117 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 22, 2018 · Synced Sep 2, 2026, 10:04 PM EDT
Not yet recruiting Not applicable Interventional

Social Identity Mapping for Adolescent Recovery

NCT07474207
View directory record Official record
Conditions
Alcohol Use Disorder (AUD)
Interventions
SIM-AiR
Behavioral
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
12 Years to 19 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Sep 2, 2026, 10:04 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Influence of Social Media Ads on Food Choice - Master Protocol

NCT07249398
View directory record Official record
Conditions
Food Selection, Food Choices, Calorie Consumption
Interventions
Racially Congruent Ads, Racially Incongruent Ads, Black Ads, White Ads, Many Likes, Few Likes, Black-Non Food, White-Non Food, Non Food-Many Likes, Non Food-Few Likes
Behavioral
Lead sponsor
NYU Langone Health
Other
Eligibility
13 Years to 17 Years
Enrollment
3,650 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 24, 2025 · Synced Sep 2, 2026, 10:04 PM EDT
Completed No phase listed Observational

Social and Behavioral Influence (SBI)

NCT01501006
View directory record Official record
Conditions
Communication
Interventions
Not listed
Lead sponsor
University of Rochester
Other
Eligibility
Not listed
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2017
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Mar 19, 2018 · Synced Sep 2, 2026, 10:04 PM EDT
Completed No phase listed Observational

Sunnaas International Network´s Stroke Study

NCT01732679
View directory record Official record
Conditions
Cerebral Stroke
Interventions
rehabilitation
Other
Lead sponsor
Sunnaas Rehabilitation Hospital
Other
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2017 · Synced Sep 2, 2026, 10:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

NOURISH: Nourishing Our Understanding of Role Modeling to Improve Support and Health

NCT00628030
View directory record Official record
Conditions
Pediatric Obesity
Interventions
NOURISH, Wellness Group
Behavioral · Other
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
18 Years and older
Enrollment
184 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 18, 2015 · Synced Sep 2, 2026, 10:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Influence of Stress on Encoding and Prediction

NCT05920161
View directory record Official record
Conditions
Stress, Learning, Spatial
Interventions
Socially Evaluated Cold Pressor Test, Control
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 45 Years
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Oct 14, 2025 · Synced Sep 2, 2026, 10:04 PM EDT
Completed Not applicable Interventional Results available

Leveraging CHWs to Improve COVID-19 Testing and Mitigation Among CJIs Accessing a Corrections-focused CBO

NCT04878328
View directory record Official record
Conditions
Covid19
Interventions
Onsite Point-of-care
Behavioral
Lead sponsor
Montefiore Medical Center
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
2
States / cities
Long Island City, New York • The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Sep 2, 2026, 10:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Y2Prevent: Preventing Drug Use and HIV Through Empowerment, Social Support and Mentorship (Y2P)

NCT04504981
View directory record Official record
Conditions
HIV, Drug Use
Interventions
Y2Prevent
Behavioral
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
18 Years to 24 Years · Male only
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 17, 2023 · Synced Sep 2, 2026, 10:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Countering Young Adult Tobacco Marketing in Bars

NCT01686178
View directory record Official record
Conditions
Smoking Cessation
Interventions
Anti-smoking social marketing campaign
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 26 Years
Enrollment
17,422 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 17, 2017 · Synced Sep 2, 2026, 10:04 PM EDT
Withdrawn Not applicable Interventional

Virtual Intervention for Lung Cancer

NCT01684696
View directory record Official record
Conditions
Lung Neoplasms
Interventions
Virtual experience, Videos
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
21 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 10, 2018 · Synced Sep 2, 2026, 10:04 PM EDT