A Long Term Extension Study Evaluating ACC-001 With QS-21 in Subjects With Mild to Moderate Alzheimer's Disease

You may not be if

• Screening brain MRI scan is consistent with the diagnosis of AD.
• Mini-Mental State Examination (MMSE) score greater than or equal to 10.
• Other criteria apply.
• Significant Neurological Disease other than Alzheimer's disease.
• Current clinically significant systemic illness.