The US Food and Drug Administration (FDA) has accepted leading global pharmaceutical company, Teva Pharmaceutical Industries Ltd's New Drug Application (NDA) for SD-809 (deutetrabenazine) for the treatment of chorea associated with Huntington disease (HD). It is a rare and fatal neurodegenerative disorder caused by the progressive breakdown of nerve cells in the brain that affects about five to seven people per 100,000 in western countries, according to the World Health Organisation.

