Neurocrine Biosciences, Inc. discovers and develops pharmaceuticals for the treatment of neurological and endocrine-related diseases and disorders in the United States and internationally. The company's lead products include INGREZZA (valbenazine), a vesicular monoamine transporter 2 inhibitor (VMAT2) used for the treatment of movement disorders; elagolix, a gonadotropin-releasing hormone (GnRH) antagonist that is in Phase III clinical trials used for women's health; and opicapone, a catechol-O-methyltransferase inhibitor, which is in Phase III clinical trials used for in adjunct therapy and preparations of levodopa/DOPA decarboxylase inhibitors for adult patients with Parkinson's disease. It is also developing NBI-640756 that is in Phase I clinical trials used for the treatment of essential tremor; and NBI-74788, which is in Phase I clinical trials used for the treatment of classic congenital adrenal hyperplasia. In addition, the company's research programs comprise VMAT2 Inhibitors for movement disorders, bipolar disorders, and schizophrenia; and G Protein-Coupled Receptors and Ion Channels for epilepsy, essential tremor, pain, and other Indications. It has collaborations with AbbVie Inc. to develop and commercialize elagolix and GnRH antagonists for women's and men's health; Mitsubishi Tanabe Pharma Corporation to develop and commercialize INGREZZA for movement disorders; and BIAL Portela & Ca, S.A. to develop and commercialize opicapone for the treatment of human diseases and conditions, including Parkinson's disease. Neurocrine Biosciences, Inc. was founded in 1992 and is headquartered in San Diego, California.