Will Hydroxychloroquine Impede or Prevent COVID-19
Public ClinicalTrials.gov record NCT04341441. 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
Will Hydroxychloroquine Impede or Prevent COVID-19: WHIP COVID-19 Study
Study identification
- NCT ID
- NCT04341441
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Henry Ford Health System
- Other
- Enrollment
- 624 participants
Conditions and interventions
Conditions
Interventions
- Hydroxychloroquine - Daily Dosing Drug
- Hydroxychloroquine - Weekly Dosing Drug
- Placebo oral tablet Other
- Monitoring Visit - Baseline Diagnostic Test
- Monitoring Visit - Week 4 Diagnostic Test
- Monitoring Visit - Week 8 Diagnostic Test
- Weekly Assessment Other
Drug · Other · Diagnostic Test
Eligibility (public fields only)
- Age range
- 18 Years to 75 Years
- 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 6, 2020
- Primary completion
- Dec 14, 2020
- Completion
- Dec 14, 2020
- Last update posted
- Jun 20, 2022
2020
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Henry Ford Hospital | Detroit | Michigan | 48202 | — |
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 NCT04341441, 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 Jun 20, 2022 · Synced Jul 23, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT04341441 live on ClinicalTrials.gov.