Alzheimer Disease
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: -Present with mild cognitive impairment (MCI) due to Alzheimer's disease (AD) or mild-to-moderate AD -Men or nonfertile women, at least 50 years of age. Nonfertile is defined as hysterectomy and/or bilateral oophorectomy, or amenorrhea for at least 1 year -Have a caregiver/study informant who provides a separate written informed consent to participate -Have adequate vision and hearing for neuropsychological testing in the opinion of the investigator -Positive florbetapir scan
Exclusion criteria
Exclusion criteria: -Do not have a reliable caregiver/study informant who is in frequent contact with the participant, who will accompany the participant to the office and/or be available by telephone at designated times, and will monitor administration of prescribed medications -Are being monitored for radiation due to occupational exposure to ionized radiation, or exposure to ionizing radiation within last 12 months from an investigational study -History of intracranial hemorrhage, cerebrovascular aneurysm or arteriovenous malformation, or carotid artery occlusion, or stroke or epilepsy -Have any contraindications for magnetic resonance imaging (MRI) studies, including claustrophobia, the presence of contraindicated metal (ferromagnetic) implants, cardiac pacemaker -Have allergies to humanized monoclonal antibodies, including proteins and diphenhydramine, epinephrine, and methylprednisolone -Have gamma globulin therapy within the last 6 months -Previously dosed in any other study investigating active immunization against amyloid beta (A beta) -Previously dosed in any other study investigating passive immunization against A beta -Have current serious or unstable illnesses