Can antibodies and vaccine work together? new study investigates
NCT ID NCT04852978
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether giving Regeneron's antibody treatment (casirivimab+imdevimab) along with the Moderna COVID-19 vaccine changes how well the vaccine works. About 295 healthy adults took part. Researchers measured immune responses and checked safety to see if the timing between the antibody shot and the vaccine matters.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Regeneron Research Site
Little Rock, Arkansas, 72211, United States
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Regeneron Research Site
Rogers, Arkansas, 72758, United States
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Regeneron Research Site
Hialeah, Florida, 33012, United States
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Regeneron Research Site
Miami, Florida, 33186, United States
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Regeneron Research Site
Orlando, Florida, 32789, United States
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Regeneron Research Site
Dayton, Ohio, 45417, United States
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