В плацебо контролирани клинични проучвания (с продължителност 6- 12 седмици) при пациенти в напреднала възраст
In placebo-controlled clinical trials (6-12 weeks duration) of elderly patients (mean age 78 years) with dementia-related psychosis and/ or disturbed behaviours, there was a 2-fold increase in the incidence of death in olanzapine-treated patients compared to patients treated with placebo (3.5% vs.