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Lisdexamfetamine

利右苯丙胺

Mechanism of action:

Lisdexamfetamine 是一種中樞神經刺激劑(central nervous system stimulant),屬於前驅藥型安非他命衍生物(prodrug of amphetamine)。Lisdexamfetamine 為右旋安非他命(dextroamphetamine)與 L-離胺酸(L-lysine)共價結合的前驅藥,進入血液後,由紅血球內的酵素水解。轉化後的 dextroamphetamine,進入神經元,能促使突觸小泡釋放多巴胺(dopamine)或正腎上腺素(norepinephrine)至突觸間隙。Dextroamphetamine 也能作用於多巴胺轉運蛋白(dopamine transporter)與正腎上腺素轉運蛋白(norepinephrine transporter),促使轉運蛋白發生逆向運輸(reverse transport),進一步增加突觸間多巴胺或正腎上腺素的濃度。

​Reference(s):

1. Madaan V et al. (2008). Lisdexamfetamine dimesylate for childhood ADHD. Drugs Today (Barc). 


2. Krishnan S et al. (2007). An evaluation of the cytochrome p450 inhibition potential of lisdexamfetamine in human liver microsomes. Drug Metab Dispos. 


3. Goodman DW et al. (2010). Lisdexamfetamine dimesylate (vyvanse), a prodrug stimulant for attention-deficit/hyperactivity disorder. P T.

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