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Clinical trialNCT04370782CompletedPhase 4Interventional

Hydroxychloroquine and Zinc With Either Azithromycin or Doxycycline for Treatment of COVID-19 in Outpatient Setting

SponsorSt. Francis Hospital, New YorkEnrollment18COVID-19
View the registry record on ClinicalTrials.gov

Summary

The lay summary the sponsor registered on ClinicalTrials.gov.

This is a randomized, open-label trial to assess the safety and efficacy of hydroxychloroquine, and zinc in combination with either azithromycin or doxycycline in a higher risk COVID-19 positive outpatient population.
clinicaltrials.gov ↗

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

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

United States
  • St Francis Hospital

    Roslyn, 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

The drug and biological interventions registered on this study, normalized to their RxNorm ingredient where possible.

Azithromycin →Doxycycline →Hydroxychloroquine →Zinc sulfate
Linked drugs open the directory filtered to KOLs working with them.clinicaltrials.gov ↗

Registration & key dates

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

Start
28 Apr 2020
Primary completion
30 Sept 2020
Completion
30 Sept 2020
Last update posted
9 Dec 2020
Registered enrollment
18
Registry id
NCT04370782
clinicaltrials.gov ↗

Source: ClinicalTrials.gov, via the CTTI AACT database, data as of 24 Aug 2026. Registry facts are shown as registered by the study sponsor; findmyKOL does not interpret them.