Elan Corporation, plc operates as a biotechnology company in the United States, Ireland, and internationally. The company primarily develops ELND005, an orally bioavailable small molecule in Phase II clinical trial being investigated for multiple neuropsychiatric indications on the basis of its proposed dual mechanism of action, which includes b-amyloid anti-aggregation and regulation of brain myo-inositol levels. It also develops ELND005 as an adjunctive maintenance treatment in patients with Bipolar I Disorder to delay the time to occurrence of mood episodes; and for the treatment of agitation/aggression in patients with moderate to severe Alzheimer s disease. Elan Corporation, plc was founded in 1969 and is headquartered in Dublin, Ireland.