eldelumab eldelumab eldelumab (alternative identifier bms-936557) is a fully human monoclonal antibody (type igg1 kappa) that targets chemokine (c-x-c motif) ligand 10 (cxcl10)/interferon-γ-inducible protein-10 (ip-10) designed for the treatment of crohn's disease and ulcerative colitis. eldelumabmonoclonal antibodytypewhole antibodysourcehumantargetcxcl10/ip-10clinical dataatc codenoneidentifierscas number946414-98-8chemspidernoneunii15o91a27i5keggd10404chemical and physical dataformulac6502h10024n1736o2026s48molar mass146468.72 g·mol−1 this drug was developed by bristol-myers squibb and medarex.