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Leukopenia and agranulocytosis in atypical antipsychotic treatment - besides clozapine

Published online by Cambridge University Press:  13 August 2021

B. Jorge ,
C. Pedro Fernandes  and
J. Carvalho
B. Jorge*
Affiliation:
Serviço De Psiquiatria, Hospital de Braga, Braga, Portugal
C. Pedro Fernandes
Affiliation:
Serviço De Psiquiatria, Hospital de Braga, Braga, Portugal
J. Carvalho
Affiliation:
Serviço De Psiquiatria, Hospital de Braga, Braga, Portugal
*
*Corresponding author.

Abstract

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Introduction

Leukopenia and agranulocytosis are reported and dangerous haematological side-effects associated with the use of antipsychotics, mostly reported for clozapine administration. However, increased case reports about severe abnormalities even during treatment with second generation antipsychotics other than clozapine.

Objectives

This review aims to compare haematological abnormalities associated with clozapine vs non-clozapine antipsychotic treatment, regarding aspects such as safety levels or the need for regular blood samples monitoring.

Methods

Pubmed and Google Scholar were searched for eligible articles, through keyword search and cross-referencing.

Results

Neutropenia is common both in patients with schizophrenia on clozapine treatment and in those never on clozapine. Cases of agranulocytosis has been described with the use of olanzapine, risperidone or paliperidone, that do not have the same monitoring regulatory process as clozapine.

Conclusions

These results highlight the challenges in identifying and managing non-clozapine antipsychotic-induced leukopenia in susceptible patients. Continued research in this domain for evidence based management of antipsychotic-induced blood dyscrasias

Disclosure

No significant relationships.

Keywords

AntipsychoticsHaematological effectsLeukopenia/agranulocytosis
Type
Abstract
Information
European Psychiatry , Volume 64 , Special Issue S1: Abstracts of the 29th European Congress of Psychiatry , April 2021 , pp. S799
Creative Commons
Creative Common License - CCCreative Common License - BY
This is an Open Access article, distributed under the terms of the Creative Commons Attribution licence (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted re-use, distribution, and reproduction in any medium, provided the original work is properly cited.
Copyright
© The Author(s), 2021. Published by Cambridge University Press on behalf of the European Psychiatric Association
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