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ClinicalTrials.gov public records Last synced Sep 8, 2026, 9:30 PM EDT

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Showing 1–9 of 9 matching trials from the live ClinicalTrials.gov search.
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Conditions
HIV Infections
Interventions
Face-to-face training, Distance training, Popular Opinion Leader (POL)
Behavioral
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2019
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
HIV Infections
Interventions
Popular Opinion Leader
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older · Male only
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
New Orleans, Louisiana
Conditions
Sexual Violence
Interventions
Online Bystander Training, Online Substance Abuse Training, In-Person Bystander Training, In-Person Combination Training
Behavioral
Lead sponsor
Heather Bush
Other
Eligibility
17 Years to 24 Years
Enrollment
3,178 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Lexington, Kentucky
Conditions
Covid19, Mental Health Issue, Violence
Interventions
Community popular opinion leader (POL) based intervention
Other
Lead sponsor
Drexel University
Other
Eligibility
18 Years and older
Enrollment
178 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

A Community-Based Intervention With Popular Opinion Leaders (C-POL) in Texas

NCT00260715
Conditions
Risk Behavior, Sexually Transmitted Diseases
Interventions
Community-Popular Opinion Leader Model, Diffusion of Innovations
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2005
U.S. locations
1
States / cities
College Station, Texas
Conditions
HIV Infections
Interventions
Popular Opinion Leader
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older · Male only
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
El Paso, Texas
Conditions
Workplace Culture, Help-Seeking Behavior, Social Stigma, Education, Medical, Continuing
Interventions
Popular-Opinion Leader-led encouragement during training meetings and informal conversation
Other
Lead sponsor
Stanford University
Other
Eligibility
Not listed
Enrollment
493 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Palo Alto, California
Completed Not applicable Interventional Accepts healthy volunteers

POSSE Project: A Community-Level Intervention for Black YMSM

NCT03198663
Conditions
HIV/AIDS and Infections
Interventions
POSSE
Behavioral
Lead sponsor
Cook County Health
Government
Eligibility
15 Years to 25 Years · Male only
Enrollment
1,037 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
2
States / cities
Chicago, Illinois • Philadelphia, Pennsylvania
Completed Not applicable Interventional Accepts healthy volunteers

Utilization of the Community Popular Opinion Leader (C-POL) Model in Alabama

NCT00260754
Conditions
Risk Behavior, Sexually Transmitted Diseases
Interventions
Community-Popular Opinion Leader Model, Diffusion of Innovations
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2005
U.S. locations
1
States / cities
Birmingham, Alabama