roledumab roledumab roledumab is a monoclonal antibody. it binds to rhd, the rhesus factor antigen. roledumabmonoclonal antibodytypewhole antibodysourcehumantargetrhdclinical dataatc codenoneidentifierscas number1174008-79-7 ychemspidernoneuniiz4t52o86qv ny (what is this?) (verify) it is currently at phase iii trials for rh disease.