Eculizumab

Eculizumab (rINN and USAN, trade name Soliris) is a monoclonal antibody directed against the complement protein C5. This antibody blocks the cleavage of C5 and halts the process of complement-mediated cell destruction. Eculizumab is a product of Alexion Pharmaceuticals and has been shown to be effective in treating paroxysmal nocturnal hemoglobinuria. Eculizumab was approved by the United States Food and Drug Administration (FDA) on March 16, 2007.