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Clin Neuropharmacol. 1996 Oct;19(5):439-43.

Drug-induced parkinsonism in schizophrenic patients: motor response and psychiatric changes after acute challenge with L-Dopa and apomorphine.

Author information

1
Department of Clinical Neurology, Neuropsychiatric Hospital, Raul Carrea Institute for Neurological Research FLENI, Buenos Aires, Argentina.

Abstract

Acute single-dose response of drug-induced parkinsonism (DIP) to L-Dopa and apomorphine challenge was evaluated in a double-blind crossover study in 12 schizophrenic patients. There were two noteworthy negative findings. First, neither L-Dopa nor apomorphine produced significant improvements in DIP and second, no changes (neither improvement nor worsening) were found in patients' psychiatric status. Findings suggest that, for a stimulation dose reaching almost 90% of the responsive dose for idiopathic Parkinson's disease, no significant changes may reasonably be expected in the parkinsonism of schizophrenic patients treated with neuroleptic drugs.

PMID:
8889287
[Indexed for MEDLINE]

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