Biohaven Pharmaceutical Holding Company Ltd. is a biopharmaceutical company. The Company is engaged in the identification and development of clinical-stage compounds targeting orphan neurologic indications and other neurological pathways. The Company's glutamate platform includes three clinical-stage product candidates being developed for the treatment of various neurological indications: trigriluzole for the treatment of obsessive-compulsive disorder (OCD), spinocerebellar ataxia (SCA) and Alzheimer's disease; BHV-0223 for the treatment of amyotrophic lateral sclerosis (ALS), and BHV-5000 for the treatment of neurological and psychiatric illnesses such as Rett syndrome, neuropathic pain and treatment-resistant depression. BHV-0223 is developing for the treatment of ALS, a neurodegenerative disease that affects nerve cells in the brain and spinal cord. The Company also develops bispecific compounds that is designed to emulate or enhance the activity of biologics.