A Study to Test the Performance of the CogState Computerized Neuropsychological Battery in Patients With Alzheimer's Disease (0000-086)(COMPLETED)

A Multicenter, Randomized, Double-Blind, Placebo-Controlled, Parallel-Group Trial, With Placebo Run-In, and an Open-Label Treatment Period, to Evaluate the Performance of the CogState Computerized Neuropsychological Battery and the ADAS-Cog in Generally Cholinesterase-naive AD Patients

This study will evaluate the performance of the CogState computerized neuropsychological battery, Alzheimer's Disease Assessment Scale-Cognitive Subscale (ADAS-cog) and Alzheimer's Disease Cooperative Study - Activities of Daily Living (ADCS-ADL) in participants with mild-to-moderate Alzheimer's disease (AD).

Inclusion Criteria:

• Participant is ambulatory, male or female and 55 years of age or older
• Participant has reliable informant/caregiver who can communicate effectively with the study site and personnel

Exclusion Criteria:

• Participant has a history within the last 6 months or current evidence of a psychotic disorder or an active major depressive disorder or participant has any history of schizophrenia
• Participant has a history of multiple and/or serious allergies to drugs or food or a history of an allergic reaction to more than 3 drug classes