Profile: Elan Corporation, Plc is a neuroscience-based biotechnology company which focuses on discovering, developing, manufacturing & marketing advanced therapies in neurology, autoimmune diseases & severe pain. Our TysabriŪ, formerly referred to as antegren, is a treatment for relapsing forms of multiple sclerosis to reduce the frequency of clinical relapses. PRIALTŪ is used for the management of severe chronic pain in patients for whom intrathecal therapy is warranted.