SAN DIEGO--(BUSINESS WIRE)--ACADIA Pharmaceuticals Inc. (Nasdaq: ACAD), a biopharmaceutical company utilizing innovative technology to fuel drug discovery and clinical development of novel treatments for central nervous system disorders, today announced that it will present at The 20th Annual Piper Jaffray Health Care Conference on Wednesday, December 3, 2008, at 10:30 a.m. Eastern Time at The New York Palace Hotel in New York City.