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Donepezil - Eisai

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Drug Profile

Donepezil - Eisai

Alternative Names: ALLYDONE; Aricept; Aricept D; Aricept Dry Syrup; Aricept Evess; Aricept ODT; Aricept SR; Donepezil hydrochloride; Donepezil SR; E 2020; E 2022; Eranz

Latest Information Update: 13 Jan 2026

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At a glance

  • Originator Eisai Co Ltd
  • Developer Eisai Co Ltd; Pfizer; Teikoku Pharma USA; Teikoku Seiyaku
  • Class Antidementias; Indans; Nootropics; Piperidines; Small molecules
  • Mechanism of Action Acetylcholinesterase inhibitors
  • Orphan Drug Status

    Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.

    No
  • New Molecular Entity Yes

Highest Development Phases

  • Marketed Alzheimer's disease; Dementia; Lewy body disease; Vascular dementia
  • Phase III Down syndrome
  • No development reported Attention deficit and disruptive behaviour disorders; Migraine
  • Discontinued Aphasia; Attention-deficit hyperactivity disorder; Mild cognitive impairment

Most Recent Events

  • 13 Jan 2026 No development reported - Phase-III for Alzheimer's disease in Japan (PO)
  • 23 Dec 2022 Registered for Dementia in Japan (Transdermal)
  • 31 Oct 2022 Eisai received Category 2* status for the treatment of dementia with Lewy bodies (DLB) in Japan

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