2012
DOI: 10.5455/bcp.20120731051540
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Clozapine Withdrawal Catatonia Refractory to ECT: A Case Report

Abstract: Klozapin çekilmesine bağlı ortaya çıkan katatoni: Bir olgu sunumu Katatoni şizofreninin bir alt tipi olmakla beraber katatonik tablolar bir çok farklı tıbbi durumda da karşımıza çıkabilmektedir. Klozapin çekilmesine bağlı ortaya çıkan katatoni tablosuyla ilgili az sayıda vaka bildirimi mevcuttur. Bu çalışmada klozapin kullanımını bıraktıktan beş gün sonra katatoni tablosuyla hastaneye başvuran 46 yaşında bir erkek hasta sunulmuştur. Hastanın 30 yıllık bilinen şizofreni tanısı olup rezidüel şizofreni tanısıyla … Show more

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Cited by 13 publications
(5 citation statements)
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References 14 publications
(17 reference statements)
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“…However, rarer syndromes have also been associated with clozapine withdrawal, such as delirium [ 3 ], catatonia [ 4 ], serotonin syndrome [ 5 ], NMS [ 6 ], and movement disorders such as dystonias and dyskinesias [ 7 ]. The diverse presentation of clozapine-withdrawal states is likely secondary to its broad pharmacological profile, with antagonistic effects in serotonergic, cholinergic, dopaminergic, and histaminergic receptors leading to rebound hyperactivity in these systems, along with rebound dysregulation of gamma-aminobutyric-acid- (GABA-) ergic pathways as a result of clozapine's activity on GABA receptors [ 4 , 8 , 9 ]. Treatment of clozapine-withdrawal syndromes should be targeted at particular neurotransmitter systems depending on the symptoms and signs observed; for example, benztropine and cyproheptadine have been suggested as treatments for cholinergic and serotonergic rebound symptoms, respectively [ 5 , 9 ].…”
Section: Discussionmentioning
confidence: 99%
“…However, rarer syndromes have also been associated with clozapine withdrawal, such as delirium [ 3 ], catatonia [ 4 ], serotonin syndrome [ 5 ], NMS [ 6 ], and movement disorders such as dystonias and dyskinesias [ 7 ]. The diverse presentation of clozapine-withdrawal states is likely secondary to its broad pharmacological profile, with antagonistic effects in serotonergic, cholinergic, dopaminergic, and histaminergic receptors leading to rebound hyperactivity in these systems, along with rebound dysregulation of gamma-aminobutyric-acid- (GABA-) ergic pathways as a result of clozapine's activity on GABA receptors [ 4 , 8 , 9 ]. Treatment of clozapine-withdrawal syndromes should be targeted at particular neurotransmitter systems depending on the symptoms and signs observed; for example, benztropine and cyproheptadine have been suggested as treatments for cholinergic and serotonergic rebound symptoms, respectively [ 5 , 9 ].…”
Section: Discussionmentioning
confidence: 99%
“…The emergence of catatonia upon abrupt discontinuation of clozapine has been reported in the medical literature mainly as case reports [ 1 ]. Therefore this area remains greatly understudied and speculative.…”
Section: Introductionmentioning
confidence: 99%
“…Due to unpleasant side effects such as constipation and weight gain, and poor insight, patients may discontinue clozapine without medical advice, resulting in worsening of psychosis, autonomic instability and diarrhoea. A few cases of catatonia following discontinuation of clozapine have been reported in the literature (1)(2)(3)(4)(5)(6)(7)(8).…”
Section: Introductionmentioning
confidence: 99%