findmyKOL
Clinical trialNCT04381988TerminatedPhase 2Interventional

A Study of Hydroxychloroquine vs Placebo to Prevent COVID-19 Infection in Patients Receiving Radiotherapy

SponsorMemorial Sloan Kettering Cancer CenterEnrollment4COVID-19Cancer
View the registry record on ClinicalTrials.gov

Summary

The registered summary isn't in our current data snapshot. Read it on the ClinicalTrials.gov record ↗. Why? →

Investigators

The overall officials registered on this study. Names that resolve to a findmyKOL profile link to it; the rest are shown as registered.

A profile link is shown only when the registered name resolves to a person record with a confident, namesake-checked match; ambiguous names stay unlinked.

Sites

7 registered facilities, with the per-site recruitment status where the registry publishes one. ClinicalTrials.gov does not publish per-site enrollment counts.

United States
  • Memoral Sloan Kettering Basking Ridge (all Protocol Activities)

    Basking Ridge, New Jersey, United States

  • Memoral Sloan Kettering Monmouth (all Protocol Activities)

    Middletown, New Jersey, United States

  • Memorial Sloan Kettering Bergen (all Protocol Activities)

    Montvale, New Jersey, United States

  • Memorial Sloan Kettering Commack (all Protocol Activities)

    Commack, New York, United States

  • Memoral Sloan Kettering Westchester (all Protocol Activities)

    Harrison, New York, United States

  • Memorial Sloan Kettering Cancer Center (all Protocol Activities)

    New York, New York, United States

  • Memorial Sloan Kettering Nassau (all Protocol Activities)

    Uniondale, New York, United States

Site investigator names are published by ClinicalTrials.gov only while a study recruits, so completed studies list sites without them.

Drugs studied

No drug or biological interventions are in our data for this study — it may test a procedure, device or behavioral intervention, or the intervention list isn't in our current snapshot. See the registry record ↗. Why? →

Registration & key dates

Registry attributes as recorded on the ClinicalTrials.gov study record.

Start
7 May 2020
Primary completion
21 Apr 2021
Completion
21 Apr 2021
Last update posted
27 Oct 2021
Registered enrollment
4
Registry id
NCT04381988

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 12 Jul 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.