A Study Evaluating the Efficiency and Safety for the VGuard Device in Alzheimer's Disease.

Inclusion Criteria

• •1. Signed written informed consent prior to beginning study-related procedures.
• •2. Female and male subjects aged ≥ 60
• •3. Able to comply with the study protocol, in the investigator\'s judgment.
• •Exlusion Criteria:
• •1. Current or past history of: active psychosis, intellectual disability, bipolar disorder, alcohol abuse, addiction to psychoactive substances or any other major psychiatric condition.
• •2. Current or past history of any neurological disorder other than dementia, such as: epilepsy, stroke, Transient Ischemic Attack (TIA), Huntington\'s disease, Hakim syndrome, Parkinson\'s disease, multiple sclerosis, intracranial hematoma or brain lesions; and history of previous neurosurgery or head trauma that resulted in residual neurologic impairment.
• •3. Anticancer treatment within 12 months prior to the screening visit.
• •4. Clinically relevant serious co-morbid medical conditions within 3 months prior to the screening visit, including, but not limited to:
• •1. current active or persistent infection
• •2. clinically significant cardiac disease including unstable angina, acute myocardial infarction, congestive heart failure (NYHA III or NYHA IV), uncontrolled arrhythmia, uncontrolled hypertension (\> 2nd stage),
• +12 more criteria