Supernus Pharmaceuticals, Inc., a specialty pharmaceutical company, focuses on developing and commercializing products for the treatment of central nervous system diseases. Its products include SPN-538, an extended release topiramate product that completed clinical trials in support of new drug application for the treatment of epilepsy; Epliga, an extended release oxcarbazepine, which is in Phase III clinical trials targeting epilepsy; SPN-810, a molindone hydrochloride that is in Phase II clinical trials for treatment for impulsive aggression in patients with attention deficit hyperactivity disorder; and SPN-812, a Phase II clinical trial product targeting attention deficit hyperactivity disorder. The company also develops SPN-809, which has an open investigational new drug application for the treatment of depression. It intends to market its products to specialty physicians, including neurologists and psychiatrists in the United States. The company was founded in 2005 and is based in Rockville, Maryland.