placulumab placulumab placulumab is a human monoclonal antibody designed for the treatment of inflammatory diseases. placulumabmonoclonal antibodytype?sourcehumantargettnfclinical dataatc codenoneidentifierscas number945781-29-3chemspidernoneuniis80w9w569lkeggd10320chemical and physical dataformulac3404h5262n902o1036s22molar mass76104.14 g·mol−1 this drug was developed by teva pharmaceutical industries, inc. as of 2012, development of placulumab has been discontinued.