maftivimab maftivimab maftivimab is a zaire ebolavirus glycoprotein-directed human monoclonal antibody that is part of the fixed-dose combination atoltivimab/maftivimab/odesivimab that is used for the treatment of zaire ebolavirus (ebola virus). maftivimabmonoclonal antibodytypewhole antibodysourcehumantargetzaire ebolavirus glycoproteinclinical datapronunciationmaf tiv' i mab license data us dailymed: maftivimab drug classmonoclonal antibodyatc codenoneidentifierscas number2135632-36-7uniikop95331m4keggd11450chemical and physical dataformulac6368h9886n1706o2008s46molar mass143947.83 g·mol−1