|Articles|July 1, 2003

Overview of Efalizumab Placebo- controlled Phase III Trials

Efalizumab is a humanized IgG monoclonal antibody directed against the alpha chain of LFA-1 (CD11a) expressed on the surface of T cells.11 Efalizumab blocks the interaction between LFA-1 and ICAM-1 on APCs, vascular endothelial cells, and cells in the dermis and epidermis.

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