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Chlorpheniramine

氯苯那敏
Mechanism of action:
Chlorpheniramine 是一種第一代 H₁ 受體拮抗抑制劑(H₁ receptor antagonist),屬於烷基胺類(alkylamine class)。Chlorpheniramine 會與週邊和中樞的 H₁ 受體結合,阻斷組織胺(histamine)與該受體結合,防止其引起典型的過敏反應,例如血管擴張、微血管通透性增加、平滑肌收縮、感覺神經刺激等,chlorpheniramine 會抑制以上反應。
Reference(s):
1. Chen X et al. (2002). TTD: Therapeutic Target Database. Nucleic Acids Res.
2. Tagawa M et al. (2001). Neuroimaging of histamine H1-receptor occupancy in human brain by positron emission tomography (PET): a comparative study of ebastine, a second-generation antihistamine, and (+)-chlorpheniramine, a classical antihistamine. Br J Clin Pharmacol.
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