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Acadia Pharmaceuticals to Present New Scientific Data on Pimavanserin in Neurodegenerative Diseases at the Alzheimer’s Association International Conference 2021 (AAIC)

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SAN DIEGO, July 14, 2021--(BUSINESS WIRE)--Acadia Pharmaceuticals Inc. (Nasdaq: ACAD) today announced that three scientific presentations in dementia-related psychosis (DRP) will be shared at the Alzheimer’s Association International Conference® 2021 (AAIC®), being held July 26-30, 2021 in Denver, Colo., and virtually.

The poster presentations include two analyses of patients who have neurodegenerative disease taking pimavanserin while also receiving other antidementia medication. One presentation focuses on safety outcomes while the second describes the impact of an acetylcholinesterase inhibitor (AChEI) on the pharmacokinetic profile of pimavanserin in patients with dementia-related psychosis. The third presentation will discuss a novel screening tool for psychosis in dementia patients.

AAIC Accepted Presentations:

  • Poster Presentation (#57661): Pimavanserin and concomitant antidementia medication use in patients with neurodegenerative and/or neurovascular disorders: safety outcomes from pooled clinical data and the HARMONY study, available to view starting Monday, July 26.
    Presenting Author: George Demos, M.D., Acadia Pharmaceuticals Inc.

  • Poster Presentation (#57479): Impact of concomitant acetylcholinesterase inhibitor use on the pharmacokinetic profile of pimavanserin in patients with dementia-related psychosis: modeling data from the Phase 3 HARMONY study, available to view starting Monday, July 26.
    Presenting Author: Mona Darwish, Ph.D., Acadia Pharmaceuticals Inc.

  • Poster Presentation (#57766): Development and Assessment of a Brief Screening Tool for Psychosis in Dementia, available to view starting Monday, July 26
    Presenting Author: Jeffrey Cummings, M.D., Sc.D., Joy Chambers-Grundy Professor of Brain Science, Vice Chair for Research, and Director of the Chambers-Gundy Center for Transformative Neuroscience, Department of Brain Health, School of Integrated Health Sciences, University of Nevada Las Vegas (UNLV).

About Pimavanserin

Pimavanserin is a selective serotonin inverse agonist and antagonist preferentially targeting 5-HT2A receptors. These receptors are thought to play an important role in neuropsychiatric disorders. In vitro, pimavanserin demonstrated no appreciable binding affinity for dopamine (including D2), histamine, muscarinic, or adrenergic receptors. Pimavanserin was approved for the treatment of hallucinations and delusions associated with Parkinson’s disease psychosis by the U.S. Food and Drug Administration in April 2016 under the trade name NUPLAZID®. NUPLAZID is not approved for dementia-related psychosis. In addition, Acadia is developing pimavanserin in other neuropsychiatric conditions.

About Acadia Pharmaceuticals

Acadia is trailblazing breakthroughs in neuroscience to elevate life. For more than 25 years we have been working at the forefront of healthcare to bring vital solutions to people who need them most. We developed and commercialized the first and only approved therapy for hallucinations and delusions associated with Parkinson’s disease psychosis. Our late-stage development efforts are focused on dementia-related psychosis, negative symptoms of schizophrenia and Rett syndrome, and in early-stage clinical research we are exploring novel approaches to pain management, and cognition and neuropsychiatric symptoms in central nervous system disorders. For more information, visit us at www.acadia-pharm.com and follow us on LinkedIn and Twitter.

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 regarding the timing of future events. 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 development, approval and commercialization. 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, 2020 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.

Important Safety Information and Indication for NUPLAZID® (pimavanserin)

Indication

NUPLAZID is indicated for the treatment of hallucinations and delusions associated with Parkinson’s disease psychosis.

Important Safety Information

WARNING: INCREASED MORTALITY IN ELDERLY PATIENTS WITH DEMENTIA-RELATED PSYCHOSIS

  • Elderly patients with dementia-related psychosis treated with antipsychotic drugs are at an increased risk of death.

  • NUPLAZID is not approved for the treatment of patients with dementia-related psychosis unrelated to the hallucinations and delusions associated with Parkinson’s disease psychosis.

  • Contraindication: NUPLAZID is contraindicated in patients with a history of a hypersensitivity reaction to pimavanserin or any of its components. Rash, urticaria, and reactions consistent with angioedema (e.g., tongue swelling, circumoral edema, throat tightness, and dyspnea) have been reported.

  • Warnings and Precautions: QT Interval Prolongation

    • NUPLAZID prolongs the QT interval. The use of NUPLAZID should be avoided in patients with known QT prolongation or in combination with other drugs known to prolong QT interval including Class 1A antiarrhythmics or Class 3 antiarrhythmics, certain antipsychotic medications, and certain antibiotics.

    • NUPLAZID should also be avoided in patients with a history of cardiac arrhythmias, as well as other circumstances that may increase the risk of the occurrence of torsade de pointes and/or sudden death, including symptomatic bradycardia, hypokalemia or hypomagnesemia, and presence of congenital prolongation of the QT interval.

  • Adverse Reactions: The common adverse reactions (≥2% for NUPLAZID and greater than placebo) were peripheral edema (7% vs 2%), nausea (7% vs 4%), confusional state (6% vs 3%), hallucination (5% vs 3%), constipation (4% vs 3%), and gait disturbance (2% vs <1%).

  • Drug Interactions:

    • Coadministration with strong CYP3A4 inhibitors (e.g., ketoconazole) increases NUPLAZID exposure. Reduce NUPLAZID dose to 10 mg taken orally as one tablet once daily.

    • Coadministration with strong or moderate CYP3A4 inducers reduces NUPLAZID exposure. Avoid concomitant use of strong or moderate CYP3A4 inducers with NUPLAZID.

Dosage and Administration

Recommended dose: 34 mg capsule taken orally once daily, without titration.

NUPLAZID is available as 34 mg capsules and 10 mg tablets.

Please read the full Prescribing Information including Boxed WARNING.

View source version on businesswire.com: https://www.businesswire.com/news/home/20210714005332/en/

Contacts

Acadia Pharmaceuticals Inc.
Deb Kazenelson
(818) 395-3043
media@acadia-pharm.com

Investor Contact:
Acadia Pharmaceuticals Inc.
Mark Johnson, CFA
(858) 261-2771
ir@acadia-pharm.com