A Study of Hydroxychloroquine vs Placebo to Prevent COVID-19 Infection in Patients Receiving Radiotherapy
Public ClinicalTrials.gov record NCT04381988. 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
A Phase II Randomized Double-Blind Placebo-Controlled Clinical Trial Of Hydroxychloroquine For Prophylaxis Against Covid-19 In Patients Receiving Radiotherapy (COVID)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The researchers are doing this study to find out whether the study drug hydroxychloroquine can prevent infection with the COVID-19 virus, compared with placebo, in people who are receiving radiation therapy for their cancer. The placebo used in this study is a tablet that looks the same as the study drug and is taken in the same way, but it does not contain any active ingredients.
Study identification
- NCT ID
- NCT04381988
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 4 participants
Conditions and interventions
Interventions
- Hydroxychloroquine Drug
- Placebo Other
- Radiation therapy Radiation
Drug · Other · Radiation
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
- May 7, 2020 (Actual)
- Primary completion
- Apr 21, 2021 (Actual)
- Completion
- Apr 21, 2021 (Actual)
- Last update posted
- Oct 27, 2021
2020 – 2021
United States locations
- U.S. sites
- 7
- U.S. states
- 2
- U.S. cities
- 7
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Memoral Sloan Kettering Basking Ridge (All Protocol Activities) | Basking Ridge | New Jersey | 07920 | — |
| Memoral Sloan Kettering Monmouth (All protocol activities) | Middletown | New Jersey | 07748 | — |
| Memorial Sloan Kettering Bergen (All protocol Activities) | Montvale | New Jersey | 07645 | — |
| Memorial Sloan Kettering Commack (All Protocol Activities) | Commack | New York | 11725 | — |
| Memoral Sloan Kettering Westchester (All protocol activities) | Harrison | New York | 10604 | — |
| Memorial Sloan Kettering Cancer Center (All Protocol Activities) | New York | New York | 10065 | — |
| Memorial Sloan Kettering Nassau (All Protocol Activities) | Uniondale | New York | 11553 | — |
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 NCT04381988, 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 27, 2021 · Synced Oct 20, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT04381988 live on ClinicalTrials.gov.