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Encephale. 1995 May-Jun;21(3):209-15.

[Antiparkinson drugs in neuroleptic treatment: comparative study of progressive and abrupt withdrawal].

[Article in French]

Author information

  • 1Service de Psychiatrie, CHU Farhat Hached, Sousse, Tunisie.

Abstract

The systematic and long term association of anti-parkinsonian drugs to neuroleptics is questioned by many authors because of their side effects and their toxicomanogenous risks whereas their efficiency in extrapyramidal effects of prophylaxis is not certain. This work aims at evaluating the interest of prescribing long term parkinsonian drug in association with neuroleptics. The study centered on 101 psychotic patients treated with neuroleptics, and followed on an ambulatory bases. 97% of this patients systematically received antiparkinsonian drugs. Extrapyramidal symptoms of varied intensity have noted for 61% of patients. The authors have compared, in double blind, the effects of the progressive and abrupt withdrawal of anti-parkinsonian drugs for 37 patients among the 101. These patients have been regularly treated for at least 6 months by neuroleptics (fluphenazine or pipothiazine) in association with trihexyphenidyle. They were randomly divided into 3 groups, and statified by sex and type of neuroleptic. For group I, composed of 13 patients, trihexyphenidyle is abruptly withdrawn and replaced by a placebo. For group II, composed of 11 patients, withdrawal is progressive for 2 weeks, trihexyphenidyle being replaced by a placebo. Group III, composed of 13 patients, is a sample group which went on receiving trihexyphenidyle. The results of this study showed that within the brutal withdrawal group (group I), 10 patients over 13 needed trihexyphenidyle again, whereas only 3 patients over 11 needed it in the progressive withdrawal group (group II). In the sample group (group III), one patient over 13 showed extrapyramidal symptoms, necessitating his leaving school. The global chi 2 is significant with p < 0.001.(ABSTRACT TRUNCATED AT 250 WORDS)

PMID:
7649071
[PubMed - indexed for MEDLINE]
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