COVID prevention drugs fail in hospital worker trial

NCT ID NCT04344379

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

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether hydroxychloroquine or azithromycin could prevent COVID-19 infection in hospital workers who were regularly exposed to the virus. 122 participants took one of the drugs or a placebo for 40 days. The study found no significant difference in infection rates between the groups, meaning these drugs did not prevent COVID-19.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

Get updates

Get notified about this study

Sign up to get updates when this study changes or when new studies for SARS-COV-2 INFECTION are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

COVID-19 prevention target

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

SARS-COV-2 INFECTION

Contacts and locations

Show contact details

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