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Ziprasidone

齊拉西酮

Mechanism of action:

Ziprasidone 具有多種受體調節特性。Ziprasidone會阻斷中樞神經系統中的多巴胺 D₂ 受體,尤其在中腦邊緣通路(mesolimbic pathway)中,以降低多巴胺過度活化所引起的陽性症狀。Ziprasidone 同時會拮抗 5-HT₂A 受體,減少部分陰性症狀,降低錐體外症狀(extrapyramidal symptoms,EPS)的風險。Ziprasidone 也會抑制神經元的血清素轉運蛋白(serotonin transporter)和正腎上腺素轉運蛋白(norepinephrine transporter),使突觸間隙的這兩種神經傳導物質濃度上升,增強血清素(5-HT)和正腎上腺素(norepinephrine)的作用。

​Reference(s):

1. Stahl SM et al. (2003). The psychopharmacology of ziprasidone: receptor-binding properties and real-world psychiatric practice. J Clin Psychiatry. 


2. Schmidt AW et al. (2001). Ziprasidone: a novel antipsychotic agent with a unique human receptor binding profile. Eur J Pharmacol. 


3. Beedham C et al. (2003). Ziprasidone metabolism, aldehyde oxidase, and clinical implications. J Clin Psychopharmacol.

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