Outcomes Related to COVID-19 Treated With Hydroxychloroquine Among In-patients With Symptomatic Disease
Public ClinicalTrials.gov record NCT04332991. 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.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
ORCHID is a multicenter, blinded, placebo-controlled, randomized clinical trial evaluating hydroxychloroquine for the treatment of adults hospitalized with COVID-19. Patients, treating clinicians, and study personnel will all be blinded to study group assignment.
Study identification
- NCT ID
- NCT04332991
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 479 participants
Conditions and interventions
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Apr 2, 2020 (Actual)
- Primary completion
- Jun 19, 2020 (Actual)
- Completion
- Jul 23, 2020 (Actual)
- Last update posted
- Mar 17, 2021
2020
United States locations
- U.S. sites
- 40
- U.S. states
- 21
- U.S. cities
- 34
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Arizona | Tucson | Arizona | 85721 | — |
| UCSF Fresno | Fresno | California | 93701 | — |
| Ronald Reagan UCLA Medical Center | Los Angeles | California | 90095 | — |
| UC Davis Medical Center | Sacramento | California | 95817 | — |
| UCSF Medical Center | San Francisco | California | 94143 | — |
| Stanford University | Stanford | California | 94305 | — |
| Medical Center of Aurora | Aurora | Colorado | 80045 | — |
| University of Colorado Hospital | Aurora | Colorado | 80045 | — |
| Denver Health Medical Center | Denver | Colorado | 80204 | — |
| St. Joseph Hospital | Denver | Colorado | 80218 | — |
| University of Florida | Gainesville | Florida | 32608 | — |
| University of Kentucky | Lexington | Kentucky | 40506 | — |
| University Medical Center | New Orleans | Louisiana | 70112 | — |
| Maine Medical Center | Portland | Maine | 04102 | — |
| Massachusetts General Hospital | Boston | Massachusetts | 02114 | — |
| Beth Israel Deaconess Medical Center | Boston | Massachusetts | 02115 | — |
| Brigham and Women's Hospital | Boston | Massachusetts | 02445 | — |
| Baystate Medical Center | Springfield | Massachusetts | 01199 | — |
| St. Vincent's Hospital | Worcester | Massachusetts | 01608 | — |
| University of Michigan Medical Center | Ann Arbor | Michigan | 48109 | — |
| Henry Ford Medical Center | Detroit | Michigan | 48025 | — |
| University of Mississippi Medical Center | Jackson | Mississippi | 39216 | — |
| Montefiore Medical Center-Weiler | The Bronx | New York | 10461 | — |
| Montefiore Medical Center-Moses | The Bronx | New York | 10467 | — |
| Wake Forest Baptist Medical Center | Winston-Salem | North Carolina | 27157 | — |
| University of Cincinnati Medical Center | Cincinnati | Ohio | 45219 | — |
| Cleveland Clinic Foundation | Cleveland | Ohio | 44195 | — |
| Ohio State University Wexner Medical Center | Columbus | Ohio | 43210 | — |
| Oregon Health and Science University | Portland | Oregon | 97239 | — |
| Penn State Hershey Medical Center | Hershey | Pennsylvania | 17033 | — |
| Temple University Hospital | Philadelphia | Pennsylvania | 19140 | — |
| UPMC Presbyterian/Mercy/Shadyside | Pittsburgh | Pennsylvania | 15261 | — |
| Medical University of South Carolina | Charleston | South Carolina | 29425 | — |
| Vanderbilt University Medical Center | Nashville | Tennessee | 37221 | — |
| University of Texas Health Science Center | Houston | Texas | 77030 | — |
| Intermountain Medical Center | Murray | Utah | 84107 | — |
| University of Utah Hospital | Salt Lake City | Utah | 84132 | — |
| VCU Medical Center | Richmond | Virginia | 23298 | — |
| Harborview Medical Center | Seattle | Washington | 98104 | — |
| Swedish Hospital First Hill | Seattle | Washington | 98122 | — |
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 NCT04332991, 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 Mar 17, 2021 · Synced Oct 22, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT04332991 live on ClinicalTrials.gov.