Blood:口服cedazuridine/地西他滨治疗MDS和CMML的药代动力学、疗效和安全性

2020-04-22 QQY MedSci原创

本研究是一个2期的临床试验,旨在对比cedazuridine 100mg/地西他滨 35mg和标准地西他滨 20mg/m2(IV)治疗前两个疗程的地西他滨暴露、去甲基化活性和安全性。

本研究是一个2期的临床试验,旨在对比cedazuridine 100mg/地西他滨 35mg和标准地西他滨 20mg/m2(IV)治疗前两个疗程的地西他滨暴露、去甲基化活性和安全性。

招募中高风险的骨髓增生异常综合症(MDS)或慢性髓系单核细胞性白血病(CMML) 成年患者,按1:1随机分至口服cedazuridine/地西他滨组或IV 地西他滨组,第二个疗程交换治疗方案;在其后的疗程中,所有患者口服cedazuridine/地西他滨治疗。

最初在剂量确定阶段,cedazuridine和地西他滨作为单独的胶囊给药,随后作为单一固定剂量组合(FDC)片剂给药。主要终点:地西他滨平均暴露水平、LINE-1 DNA去甲基化百分比和临床反应。

80位患者被随机分组接受治疗。剂量确定和FDC阶段的口服和IV 地西他滨的平均暴露水平比分别为93.5%和97.6%。两组间LINE-1去甲基化差异不超过1%。48位(60%)患者获得临床缓解,其中17位(21%)获得完全缓解。

最常见的3级及以上副作用有中性粒细胞减少(46%)、血小板减少(38%)和发热性中性粒细胞减少(29%)。

综上所述,在前两个疗程,口服cedazuridine/地西他滨(100/35mg)和IV 地西他滨 20mg/m2可产生相近的地西他滨暴露和DNA去甲基化水平,以及相近的安全性和疗效。

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    2020-11-27 kkunny
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    2020-12-05 d830372
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    2020-11-15 fengyqf
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    2020-04-22 内科新手

    谢谢梅斯提供这么好的信息,学到很多

    0

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