Late-Onset Neutropenia in Long-Term Clozapine Use and Its Management Utilizing Prophylactic G-CSF

This case outlines recurrent neutropenia after fourteen years of successful clozapine use. The patient has a diagnosis of treatment-resistant schizophrenia which has been complicated by sensitivity to side effects of haloperidol and past failure of antipsychotics to manage her symptoms. It was neces...

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Main Authors: Eimear O’ Neill, Deirdre Carolan, Sarah Kennedy, Sandra Barry
Format: Article
Language:English
Published: Wiley 2021-01-01
Series:Case Reports in Psychiatry
Online Access:http://dx.doi.org/10.1155/2021/6640681
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author Eimear O’ Neill
Deirdre Carolan
Sarah Kennedy
Sandra Barry
author_facet Eimear O’ Neill
Deirdre Carolan
Sarah Kennedy
Sandra Barry
author_sort Eimear O’ Neill
collection DOAJ
description This case outlines recurrent neutropenia after fourteen years of successful clozapine use. The patient has a diagnosis of treatment-resistant schizophrenia which has been complicated by sensitivity to side effects of haloperidol and past failure of antipsychotics to manage her symptoms. It was necessary for our patient to follow a complicated treatment path involving close monitoring of blood levels, admissions, the initiation of lithium and the regular use of filgrastim (Neupogen), granulocyte colony stimulating factor (G-CSF). Following a failure of rescue filgrastim to increase her neutrophil levels, a management protocol was designed with input from the on-site hematology team. This protocol involved the use of filgrastim on a regular prophylactic basis. This management plan has worked for the patient who has been able to continue use of clozapine and has not suffered from any neutropenic episodes in over six months.
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publishDate 2021-01-01
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series Case Reports in Psychiatry
spelling doaj-art-9805549be13044dcaecb5b3a5e430be32025-08-20T02:10:08ZengWileyCase Reports in Psychiatry2090-682X2090-68382021-01-01202110.1155/2021/66406816640681Late-Onset Neutropenia in Long-Term Clozapine Use and Its Management Utilizing Prophylactic G-CSFEimear O’ Neill0Deirdre Carolan1Sarah Kennedy2Sandra Barry3St. Stephen’s Psychiatric Hospital, Sarsfield Court, Glanmire, Cork, IrelandMercy University Hospital, Glenville place, Cork, IrelandCUMH, Cork University Hospital, Wilton, Cork, IrelandMercy University Hospital, Glenville place, Cork, IrelandThis case outlines recurrent neutropenia after fourteen years of successful clozapine use. The patient has a diagnosis of treatment-resistant schizophrenia which has been complicated by sensitivity to side effects of haloperidol and past failure of antipsychotics to manage her symptoms. It was necessary for our patient to follow a complicated treatment path involving close monitoring of blood levels, admissions, the initiation of lithium and the regular use of filgrastim (Neupogen), granulocyte colony stimulating factor (G-CSF). Following a failure of rescue filgrastim to increase her neutrophil levels, a management protocol was designed with input from the on-site hematology team. This protocol involved the use of filgrastim on a regular prophylactic basis. This management plan has worked for the patient who has been able to continue use of clozapine and has not suffered from any neutropenic episodes in over six months.http://dx.doi.org/10.1155/2021/6640681
spellingShingle Eimear O’ Neill
Deirdre Carolan
Sarah Kennedy
Sandra Barry
Late-Onset Neutropenia in Long-Term Clozapine Use and Its Management Utilizing Prophylactic G-CSF
Case Reports in Psychiatry
title Late-Onset Neutropenia in Long-Term Clozapine Use and Its Management Utilizing Prophylactic G-CSF
title_full Late-Onset Neutropenia in Long-Term Clozapine Use and Its Management Utilizing Prophylactic G-CSF
title_fullStr Late-Onset Neutropenia in Long-Term Clozapine Use and Its Management Utilizing Prophylactic G-CSF
title_full_unstemmed Late-Onset Neutropenia in Long-Term Clozapine Use and Its Management Utilizing Prophylactic G-CSF
title_short Late-Onset Neutropenia in Long-Term Clozapine Use and Its Management Utilizing Prophylactic G-CSF
title_sort late onset neutropenia in long term clozapine use and its management utilizing prophylactic g csf
url http://dx.doi.org/10.1155/2021/6640681
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