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Completed Phase 3 Interventional Accepts healthy volunteers Results available

Healthcare Worker Exposure Response and Outcomes of Hydroxychloroquine

ClinicalTrials.gov ID: NCT04334148

Public ClinicalTrials.gov record NCT04334148. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jul 22, 2026, 3:41 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

Healthcare Worker Exposure Response and Outcomes of Hydroxychloroquine Trial (HERO-HCQ Trial)

Study identification

NCT ID
NCT04334148
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Adrian Hernandez
Other
Enrollment
1,360 participants

Conditions and interventions

Conditions

Interventions

  • Hydroxychloroquine Drug
  • Placebo oral tablet Drug

Drug

Eligibility (public fields only)

Age range
18 Years and older
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Apr 21, 2020
Primary completion
Dec 9, 2020
Completion
Jan 8, 2021
Last update posted
Oct 11, 2021

2020 – 2021

United States locations

U.S. sites
34
U.S. states
19
U.S. cities
30
Facility City State ZIP Site status
Children's Hospital Colorado/University of Colorado Denver Aurora Colorado 80045
University of Florida Gainesville Florida 32610
University of Florida Jacksonville Jacksonville Florida 32206
University of Florida Health Central Florida Leesburg Florida 34748
University of Miami Florida Miami Florida 33136
Advent Health Orlando Florida 32804
University of South Florida Tampa Florida 33606
Northwestern Medicine Chicago Illinois 60611
Rush University Chicago Illinois 60612
University of Iowa Iowa City Iowa 52242
University of Kansas Medical Center Kansas City Kansas 66160
University Medical Center New Orleans New Orleans Louisiana 70112
Ochsner Clinic Foundation New Orleans Louisiana 70121
Johns Hopkins Baltimore Maryland 21287
University of Michigan Ann Arbor Michigan 48109
Allina Health Minneapolis Minnesota 55404
Mayo Clinic Hospital Rochester Rochester Minnesota 55905
University of Missouri-Columbia Columbia Missouri 65212
University of Nebraska Medical Center Omaha Nebraska 68198
Hospital for Special Surgery New York New York 10021
Columbia University, Irving Medical Center New York New York 10032
Weill Cornell Medicine New York New York 10065
University of North Carolina at Chapel Hill Chapel Hill North Carolina 27599
Duke University Medical Center Durham North Carolina 27710
Wake Forest Baptist Health Sciences Winston-Salem North Carolina 27157
The Ohio State University Wexner Medical Center Columbus Ohio 43210
Temple University Hospital Philadelphia Pennsylvania 19140
University of Pittsburgh School of Medicine Pittsburgh Pennsylvania 15213
Clinical Trials Center of Middle Tennessee Franklin Tennessee 37067
Vanderbilt University Medical Center Nashville Tennessee 37232
University of Texas Southwestern Medical Center Dallas Texas 75390
Baylor Scott & White Medical Center-Temple Temple Texas 76504
Seattle Children's Hospital Seattle Washington 98105
Marshfield Clinic Health System Marshfield Wisconsin 54449

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04334148, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Oct 11, 2021 · Synced Jul 22, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04334148 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →