Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 2:11 AM EDT

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Showing 1–12 of 12 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Team-Based Quality Improvement Intervention, Opinion Leader Intervention, Team Based Quality Improvement
Behavioral
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years to 65 Years
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
4
States / cities
Fayetteville, Arkansas • No. Little Rock, Arkansas • Dayton, Ohio + 1 more
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 Results available

Improving COVID-19 Vaccine Uptake in Nursing Homes

NCT04732819
Conditions
COVID-19 Vaccines
Interventions
High touch multi-pronged behavioral intervention
Behavioral
Lead sponsor
Brown University
Other
Eligibility
Not listed
Enrollment
23,768 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
4
States / cities
Tampa, Florida • Sykesville, Maryland • Elkhorn, Nebraska + 1 more
Terminated Not applicable Interventional Accepts healthy volunteers

Identifying Student Opinion Leaders to Lead E-cigarette Interventions

NCT04083469
Conditions
E-Cig Use, Adolescent Behavior
Interventions
Peer-Led Peer-Elected Intervention, Adult-Led Intervention, Peer-Led Non-Elected Intervention
Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
Not listed
Enrollment
686 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Conditions
Diabetes Mellitus
Interventions
Simulated case-based customized learning, Simulated case based customized learning + leader feedback
Behavioral
Lead sponsor
HealthPartners Institute
Other
Eligibility
18 Years to 80 Years
Enrollment
2,020 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2002
U.S. locations
1
States / cities
Minneapolis, Minnesota
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
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
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2009
U.S. locations
1
States / cities
New Orleans, Louisiana
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
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
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
Recruiting Not applicable Interventional Accepts healthy volunteers

Appalachian Partnership to Reduce Disparities (Aim 2)

NCT04378439
Conditions
HIV/AIDS, STI, HCV
Interventions
Peer Navigation, mHealth
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
141 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
1
States / cities
Winston-Salem, North Carolina