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. 1999 Summer;11(3):392-4.
doi: 10.1176/jnp.11.3.392.

Olanzapine for psychosis in patients with Parkinson's disease with and without dementia

D Aarsland  1 , J P Larsen, N G Lim, E Tandberg
Affiliations

Olanzapine for psychosis in patients with Parkinson's disease with and without dementia

D Aarsland et al. J Neuropsychiatry Clin Neurosci. 1999 Summer.

Abstract

Twenty-one patients with Parkinson's disease and psychosis were included in an open-label 8-week trial of olanzapine. Eight subjects had dementia. Six subjects (29%) discontinued treatment prematurely because of drowsiness. Delusions and hallucinations improved significantly, and 80% were rated as much or very much improved. There was no worsening of parkinsonism or cognition.

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