Acne antibiotic Couldn't be tested for COVID: study withdrawn

NCT ID NCT05445479

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

Summary

This study aimed to see if the antibiotic doxycycline could protect people from severe COVID-19. Researchers planned to analyze health records of patients who took doxycycline for acne during the pandemic. However, the study was withdrawn before enrolling any participants, so no results are available.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

doxycycline

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 COVID-19 are added.

Our safety recommendation!

By submitting, you agree to our Terms of use

Conditions

The condition(s) this trial relates to.

COVID-19

As listed by the trial registrant

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