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Chlorambucil

苯丁酸氮芥
Mechanism of action:
Chlorambucil 是一種具烷化反應性的化合物(alkylating agent),屬於氮芥類(nitrogen mustard)分子。Chlorambucil 在體內代謝成有活性的苯乙酸芥(phenylacetic acid mustard),該代謝物會在 DNA 上的鳥糞嘌呤(guanine)N⁷ 位點形成共價鍵,導致 DNA 烷基化損傷與交聯(cross-linking),之後 DNA 的複製與轉錄受阻,使細胞週期停滯與凋亡。
Reference(s):
1. Rai KR et al. (2000). Fludarabine compared with chlorambucil as primary therapy for chronic lymphocytic leukemia. N Engl J Med.
2. Yang K et al. (2009). Alkylating agents for Waldenstrom's macroglobulinaemia. Cochrane Database Syst Rev.
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