omalizumab

noun

oma·​liz·​u·​mab ˌō-mə-ˈliz-ə-ˌmab 

: an immunosuppressive drug that is a recombinant monoclonal antibody selectively binding to IgE to reduce allergic reactions and that is administered by subcutaneous injection especially in the treatment of asthma and chronic hives

Note: Omalizumab is marketed under the trademark Xolair.