Elotuzumab (HuLuc 63) is an IgG1 monoclonal antibody targeting the SLAMF7 receptor. Elotuzumab exerts antitumor activity by activating natural killer cells and inducing antibody-dependent cell-mediated cytotoxicity. Elotuzumab can be combined with Lenalidomide , Dexamethasone , etc., for the research of tumors such as multiple myeloma.