New antibody combo for COVID-19 passes early safety check

NCT ID NCT05181683

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

Summary

This early-stage study tested whether a combination of two antibodies (casirivimab and imdevimab) is safe and tolerable in healthy adults. Forty-five volunteers received the antibodies either as a shot under the skin or through an IV. The main goal was to check for side effects, not to treat or prevent COVID-19. The study is complete and helps guide future research.

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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 โ€” we know it does not capture everything.

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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.

Contacts and locations

Locations

  • Regeneron Study Site

    Miami, Florida, 33186, United States

  • Regeneron StudySite

    Winter Park, Florida, 32789, United States