JCO:阿比特龙单独或联合恩杂鲁胺治疗转移性去势抵抗前列腺癌

2018-07-22 MedSci MedSci原创

有种理论认为雄激素升高导致恩杂鲁胺耐药,这种耐药可以通过联合阿比特龙进行克服。PLATO临床试验为随机双盲的对照试验,旨在验证这一假说。JCO近期发表了一篇文章,报道了PLATO临床试验的结果。

有种理论认为雄激素升高导致恩杂鲁胺耐药,这种耐药可以通过联合阿比特龙进行克服。PLATO临床试验为随机双盲的对照试验,旨在验证这一假说。JCO近期发表了一篇文章,报道了PLATO临床试验的结果。

在第一阶段,未接受过化疗的转移性去势抵抗前列腺癌患者接受恩杂鲁胺160mg每天治疗。在13周和21周未出现PSA升高的患者持续治疗直至出现PSA进展(升高≥25%且高于最低点≥2ng/mL)。而后在第二阶段按1:1随机分为阿比特龙1000mg每天,泼尼松5mg每天两次联合恩杂鲁胺或安慰剂治疗直至出现疾病进展。主要研究终点为无进展生存,次要研究终点包括出现PSA进展时间和第二阶段PSA反应。在第一阶段共纳入509例患者,其中251例在第二阶段进行随机分组。联合治疗组中位无进展生存期为5.7个月,对照组为5.6个月。次要研究终点也无差别。联合治疗组3级高血压,ALT或AST升高频率高于对照组。

文章最后认为,恩杂鲁胺单药治疗后出现PSA进展不推荐恩杂鲁胺联合阿比特龙治疗。联合治疗组的高血压和转氨酶升高更常见。

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    2019-05-17 lidong40
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