- Males or females, age 55-85
- Diagnosis of probable Alzheimer's disease, consistent with criteria from both: 1)
National Institute of Neurological and Communicable Disease and Stroke and Alzheimer's
Disease and Related Disorders Association (NINCDS-ADRDA) and 2) Diagnostic and
Statistical Manual of Mental Disorders (DSM IV)
- Mini-mental status exam score of 14-26 inclusive
- Rosen-Modified Hachinski Ischemia Score of
- Diagnosis or history of other dementia or neurodegenerative disorders
- Diagnosis or history of clinically significant cerebrovascular or cardiovascular
disease
- Subjects with pulmonary disease or evidence of clinically significant pulmonary
symptoms