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Int J Geriatr Psychiatry. 2002 Nov;17(11):1012-7.

The effect of age on the pharmacological management of ambulatory patients treated with depot neuroleptic medications for schizophrenia and related psychotic disorders.

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1
Centre for Addiction and Mental Health, Toronto, Canada.

Abstract

BACKGROUND:

Cross-sectional studies indicate that, in comparison to younger patients, older schizophrenic patients have a higher risk for neuroleptic-induced Parkinsonism and tardive dyskinesia (TD). It has been suggested, therefore, that older patients with schizophrenia could be maintained on reduced doses of conventional neuroleptics.

METHOD:

We examined the effect of age on psychopharmacological management in a naturalistic study of a group of 165 patients with a clinical diagnosis of schizophrenia or a related psychotic disorder (age range = 21-84 years; subjects > or = 1;45 years n = 86) treated with either haloperidol decanoate or fluphenazine decanoate.

RESULTS:

Increasing age was not correlated with total daily dose of neuroleptics or anticholinergic medication. However, a modest negative correlation of age with daily neuroleptic dose was found in patients aged 45 years and older.

CONCLUSION:

The results of this study highlight the need for prospective assessments of depot neuroleptic dose requirements in older patients suffering from primary psychotic disorders.

PMID:
12404650
DOI:
10.1002/gps.740
[Indexed for MEDLINE]

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