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Table 2 Patent information for the drugs used for dementia [21]

From: What is the impact of regulatory guidance and expiry of drug patents on dementia drug prescriptions in England? A trend analysis in the Clinical Practice Research Datalink

Generic name

Patent name (manufacturer)

Drug class

Patent expiry


Aricept (Eisai  / Pfizer)

AChE inhibitor

January 2012


Exelon (Novartis)

AChE inhibitor

February 2012


Reminyl (Shire)

AChE inhibitor

July 2012


Ebixa (Lundbeck)

NMDA receptor antagonist

April 2014

  1. AChE Acetylcholinesterase, NMDA N-methyl-d-aspartate