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Alosetron

阿洛司瓊
Mechanism of action:
Alosetron 是一種選擇性 5-HT₃ 受體拮抗劑。在腸道內,5-HT₃ 受體位於腸神經系統與迷走神經末梢。當此受體被過度活化時,會增加腸蠕動、分泌及內臟痛覺傳導。Alosetron 透過抑制 5-HT₃ 受體,可減少腸道運動與痛覺的過度敏感性。
Reference(s):
Houghton LA et al. (2001). Alosetron, n 5-HT3 receptor antagonist, delays colonic transit in patients with irritable bowel syndrome and healthy volunteers. Alimentary Pharmacology & Therapeutics.
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