Skip to main content
An official website of the United States government

omalizumab

A humanized monoclonal antibody directed against the C-epsilon 3 domain of immunoglobulin E. Olizumab binds to this IgE domain, thereby preventing IgE from binding to its high-affinity mast-cell receptor.
Synonym:anti-IgE monoclonal antibody E25
olizumab
US brand name:Xolair
Abbreviation:rhuMAb-E25
Code name:IGE 025
Search NCI's Drug Dictionary