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Psychiatry Res. 2000 Feb 14;93(1):13-9.

Current antipsychotic dose correlates to mononuclear cell counts in the cerebrospinal fluid of psychotic patients.

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  • 1Department of Psychiatry, University of Helsinki, PB 320, FIN-00029, HUCH, Finland. kristian.wahlbeck@helsinki.fi

Abstract

Elevated cerebrospinal fluid (CSF) angiotensin I-converting enzyme (ACE) levels have been evidenced in patients with schizophrenia who have been treated with antipsychotics. In order to explore a possible mononuclear cell origin of CSF ACE, the authors determined CSF ACE and CSF mononuclear cell counts from 25 acutely psychotic patients, who had been drug-free for at least 4 months but started on conventional antipsychotic medication within a few days before sampling. No correlations were found between CSF to serum ACE ratio and CSF mononuclear cell counts. However, CSF total mononuclear cell count, CSF lymphocyte count, and CSF mononuclear phagocyte count evidenced significant positive correlations with current dose of antipsychotic medication expressed as chlorpromazine equivalents. The authors conclude that no indication of a relationship between mononuclear cells and CSF ACE activity was found. Surprisingly, a relationship between chlorpromazine dose and CSF mononuclear cell counts was found, which may indicate drug-related changes in cell-mediated immunity. This finding needs replication and further corroboration in well-designed studies.

PMID:
10699224
[PubMed - indexed for MEDLINE]
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