WHO recommends Regeneron antibody for Bundibugyo Ebola outbreak

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Regeneron’s Ebola Antibody Recommended by World Health Organization for Investigational Use in Response to Current Bundibugyo Ebolavirus Outbreak

May 28, 2026 4:00 PM EDT

Inmazeb® (a three-antibody cocktail consisting of maftivimab, atoltivimab and odesivimab-ebgn) was the first Ebola treatment approved by the U.S. Food and Drug Administration, indicated specifically for the Orthoebolavirus zairense species, and has been administered to hundreds of patients

Maftivimab, the most potent neutralizing antibody in Inmazeb, has shown broad activity in vitro against multiple Ebola species, including Bundibugyo

Maftivimab has been recommended to be studied as a monotherapy... More