eVAluatIon of OLanzapine TreatmEnT

This clinical observational study aims to investigate the efficacy of olanzapine (Villamos ®) in accordance with the instructions attached thereto in standard clinical practice, followed by the physician to the patient. This is a multicenter, non- interventional observational study , 6-month period without preparing the patient to take the usual his medication . A total of 3 scheduled visits : Visit 1 to Day 0 ( integration , base ) , Visit 2 at month 3 and Visit 3 at month 6 ( = end of treatment) . The purpose of the study is to demonstrate the efficacy and safety of olanzapine in patients who are indicated . Will be monitored and recorded all the different concomitant therapy . The treatment of each patient is an individual designated by the physician , according to standard clinical practice and without any intervention research purpose . During the six months of observation patients visit the clinic at the beginning (day 0 ), intermediate ( 3 months ) and end (month 6). The purpose of these visits is regularly monitored by their doctor for senile dementia and their behavior .