Hydroxychloroquine as Post-Exposure Prophylaxis Against COVID-19 Infection
Public ClinicalTrials.gov record NCT04372017. 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.
Official title
Randomized, Double-Blind, Controlled Trial of Hydroxychloroquine vs Placebo as Post-Exposure Prophylaxis Against COVID-19 Infection
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This is a prospective, double-blind, randomized, placebo-controlled study in two distinct cohorts to evaluate the efficacy and safety of hydroxychloroquine in the prevention of COVID-19 infection.
Study identification
- NCT ID
- NCT04372017
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 1 participant
Conditions and interventions
Conditions
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
- May 14, 2020 (Actual)
- Primary completion
- Jun 4, 2021 (Actual)
- Completion
- Jun 4, 2021 (Actual)
- Last update posted
- Dec 10, 2021
2020 – 2021
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Sanford Health | Sioux Falls | South Dakota | 57104 | — |
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 NCT04372017, 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 Dec 10, 2021 · Synced Oct 26, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT04372017 live on ClinicalTrials.gov.