Can common drugs stop COVID-19 in hospital staff? trial results are in.

NCT ID NCT04344379

Completed Prevention Sponsor: Assistance Publique - Hôpitaux de Paris Source: ClinicalTrials.gov ↗

First seen Nov 20, 2025 · Last updated May 15, 2026 · Updated 21 times

Summary

This study looked at whether two drugs, hydroxychloroquine and azithromycin, could prevent COVID-19 infection in hospital workers who were exposed to the virus. 122 hospital staff without COVID-19 took one of the drugs or a placebo for 40 days. The main goal was to see if fewer people got infected while taking the medication.

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Contacts and locations

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Locations

Hopial Avicenne

Bobigny, 93000, France
Hôpital Broca

Paris, 75013, France
Hôpital Cochin

Paris, 75014, France
Hôpital GHU Paris Saclay

Le Kremlin-Bicêtre, 92100, France
Hôpital La Pitié-Salpétrière

Paris, 75013, France
Hôpital Necker

Paris, 75015, France
Hôpital Saint Antoine

Paris, 75012, France
Hôpital européen Georges Pompidou

Paris, 75015, France

Conditions

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SARS-COV-2 INFECTION