ACADIA Pharmaceuticals, Inc. engages in the development and commercialization of medicines for central nervous system disorders. The company is headquartered in San Diego, California and currently employs 796 full-time employees. The company went IPO on 2004-05-27. The firm is focused on innovation that makes the difference for underserved neurological and rare disease communities around the world. Its commercial portfolio includes the first and only FDA-approved treatments for Parkinson's disease psychosis and Rett syndrome. The company is also developing therapeutic advancements with diverse pipelines that include mid- to late-stage programs in Alzheimer's disease psychosis and Lewy body dementia psychosis, along with earlier-stage programs that address other underserved patient needs. Its pipeline of product candidates includes Remlifanserin (formerly ACP-204), ACP-211, ACP-711, ACP-271, ACP-259, and Antisense Oligonucleotide (ASO) Program. NUPLAZID is a selective serotonin inverse agonist/antagonist preferentially targeting the 5-HT2A receptor. NUPLAZID is developed for the treatment for Parkinson's Disease Psychosis. DAYBUE (trofinetide) is developed for the treatment of Rett Syndrome.