Table 1. Standard pharmacological treatment for Alzheimer disease.

Drug	Company of origen	Action	AD Patient status	Efficacy
Donezepil	Eisai	AChI	Mild to moderate	Improve cog., beh., DL
Rivastigmine	Novartis	AChI	Mild to moderate	Improve cog., beh., DL
Galantamine	Janssen	AChI	Mild to moderate	Improve cog., beh., DL
Memantine	Allergan	NMDAR antagonist	Moderate to severe	Improve cog.

AChI: Acetylcholinestarase inhibitor; NMDAR: N-Methyl-D-aspartate receptor;

Cog: Cognition; Beh: Behaviour: DL: Daily life activities

Source: http://www.clinicaltrials.gov