Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 23, 2026, 11:10 PM EDT

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Showing 1–4 of 4 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Active, not recruiting No phase listed Observational Accepts healthy volunteers

COVID-19 CHAMPS Study of Healthcare, First Responder and Service Workers

NCT04370821
Conditions
Occupational Exposure to SARS-CoV-2, COVID-19
Interventions
Not listed
Lead sponsor
Villanova University
Other
Eligibility
18 Years and older
Enrollment
2,600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Villanova, Pennsylvania
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Efficacy of Hydroxychloroquine Prophylaxis for Health Care Workers at High Risk for COVID-19

NCT04435808
Conditions
COVID-19
Interventions
Hydroxychloroquine
Drug
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
1 participant
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Albuquerque, New Mexico
Completed Phase 2 Interventional Results available

COVID-19 PrEP HCW HCQ Study

NCT04354870
Conditions
COVID-19
Interventions
Hydroxychloroquine (HCQ)
Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020
U.S. locations
1
States / cities
New York, New York
Completed No phase listed Observational Accepts healthy volunteers

Beaumont Health Large-scale Automated Serologic Testing for COVID-19

NCT04349202
Conditions
COVID-19, Coronavirus Infection, Severe Acute Respiratory Syndrome Coronavirus 2
Interventions
EUROIMMUN assay
Diagnostic Test
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years and older
Enrollment
20,614 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
2
States / cities
Royal Oak, Michigan