New antibody cocktail for COVID-19 passes early safety check

NCT ID NCT05181683

First seen Nov 01, 2025 · Last updated May 12, 2026 · Updated 23 times

Summary

This early-phase study tested the safety of a combination of two antibodies (casirivimab and imdevimab) given as a shot or through an IV in 45 healthy adults or those with stable chronic conditions. The goal was to see if the treatment is safe and how the body processes it. No direct treatment benefit was measured, as this was a safety-focused trial.

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Contacts and locations

Locations

  • Regeneron Study Site

    Miami, Florida, 33186, United States

  • Regeneron StudySite

    Winter Park, Florida, 32789, United States

Conditions

Explore the condition pages connected to this study.