ACADIA Pharmaceuticals Announces Trade Name NUPLAZID™ for Pimavanserin

SAN DIEGO--(BUSINESS WIRE)--

ACADIA Pharmaceuticals Inc. ACAD, a biopharmaceutical company focused on the development and commercialization of innovative medicines to address unmet medical needs in neurological and related central nervous disorders, today announced that the U.S. Food and Drug Administration (FDA) has provisionally accepted the trade name “NUPLAZID”™ for pimavanserin. NUPLAZID is a selective serotonin inverse agonist and, if approved, will represent the first in a new class of drugs to treat psychosis. NUPLAZID has successfully completed a pivotal Phase III trial in Parkinson's disease psychosis, which the FDA has agreed can serve as the basis, together with supportive data from other studies, for a New Drug Application (NDA). ACADIA plans to submit the NUPLAZID NDA to the FDA near the end of this year.

About NUPLAZID™ (pimavanserin)

NUPLAZID is ACADIA's proprietary small molecule that is a selective serotonin inverse agonist preferentially targeting 5-HT_2A receptors believed to play an important role in psychosis. ACADIA has reported positive Phase III trial results with NUPLAZID, which has the potential to be the first drug approved in the United States for psychosis associated with Parkinson's disease. NUPLAZID is administered orally once-a-day. ACADIA discovered NUPLAZID and holds worldwide rights to this new chemical entity.

About ACADIA Pharmaceuticals

ACADIA is a biopharmaceutical company focused on the development and commercialization of innovative medicines to address unmet medical needs in neurological and related central nervous system disorders. ACADIA has a pipeline of product candidates led by NUPLAZID (pimavanserin), for which we have reported positive Phase III trial results in Parkinson's disease psychosis and which has the potential to be the first drug approved in the United States for this disorder. We are currently completing NDA-enabling clinical and manufacturing activities for NUPLAZID and are planning to submit an NDA to the FDA near the end of this year. Pimavanserin is also in Phase II development for Alzheimer's disease psychosis and has successfully completed a Phase II trial in schizophrenia. ACADIA also has clinical-stage programs for chronic pain and glaucoma in collaboration with Allergan, Inc. and two preclinical programs directed at Parkinson's disease and other neurological disorders. All product candidates are small molecules that emanate from internal discoveries. ACADIA maintains a website at www.acadia-pharm.com to which we regularly post copies of our press releases as well as additional information and through which interested parties can subscribe to receive e-mail alerts.

Forward-Looking Statements

Statements in this press release that are not strictly historical in nature are forward-looking statements. These statements include but are not limited to statements related to the planned timing of the submission of an NDA for NUPLAZID for the treatment of psychosis associated with Parkinson's disease; the potential for NUPLAZID to be the first drug approved in the United States for psychosis associated with Parkinson's disease, if approved at all; the potential for NUPLAZID to represent the first in a new class of drugs to treat psychosis; the progress, timing and results of ACADIA's drug discovery and development programs, either alone or with a partner, including the progress and expected timing of clinical trials; and the progress of ACADIA's NDA-enabling clinical and manufacturing activities. These statements are only predictions based on current information and expectations and involve a number of risks and uncertainties. Actual events or results may differ materially from those projected in any of such statements due to various factors, including the risks and uncertainties inherent in drug discovery, development, approval, and commercialization, and collaborations with others, and the fact that past results of clinical trials may not be indicative of future trial results. For a discussion of these and other factors, please refer to ACADIA's annual report on Form 10-K for the year ended December 31, 2013 as well as ACADIA's subsequent filings with the Securities and Exchange Commission. You are cautioned not to place undue reliance on these forward-looking statements, which speak only as of the date hereof. This caution is made under the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. All forward-looking statements are qualified in their entirety by this cautionary statement and ACADIA undertakes no obligation to revise or update this press release to reflect events or circumstances after the date hereof, except as required by law.