Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 23, 2026, 2:13 PM EDT

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Showing 1–3 of 3 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
COVID-19 Infection
Interventions
Not listed
Lead sponsor
Brian Tiffany, MD
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Chandler, Arizona
Conditions
Health Care Worker (HCW), COVID-19
Interventions
Not listed
Lead sponsor
Duke University
Other
Eligibility
18 Years to 110 Years
Enrollment
51,466 participants
Timeline
2020 – 2022
U.S. locations
1
States / cities
Durham, North Carolina
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