Lancet:Pexidattinib用于腱鞘巨细胞瘤

2019-06-23 MedSci MedSci原创

Pexidattinib是第一个在TGCT患者中显示出较强肿瘤反应的系统治疗方法,可改善了患者的症状和功能,但混合或胆汁淤积性肝毒性风险较高

腱鞘巨细胞瘤(TGCT)是一种罕见的局部侵袭性肿瘤,患者集落刺激因子1(CSF1)过度表达,目前除手术外缺少有效的系统治疗手段。近日研究人员评估了CSF1受体抑制剂Pexidatinib对不适合手术切除的TGCT患者的治疗效果。

有症状的、晚期TGCT患者随机接受Pexidartinib或安慰剂。Pexidatinib组在最初的2周口服1000 mg/d(日间400 mg,夜间600 mg),然后22周内每天800 mg(400 mg/d,每天两次),研究的主要终点为第25周的总体反应。

120名患者被随机分配至并接受了Pexidartinib(n=61)或安慰剂(n=59)。在第25周, Pexidartinib组达到整体应答的患者比例高于安慰剂组(61例患者中24例[39%]vs无)。Pexidartinib组61例患者中有8例(13%)发生严重不良事件,安慰剂组59例患者中有1例(2%)发生严重不良事件。头发颜色变化(67%)、疲劳(54%)、天冬氨酸转氨酶增加(39%)、恶心(38%)、丙氨酸转氨酶增加(28%)和味觉障碍(25%)是最常见的Pexidartinib相关不良事件。3例接受Pexidartinib的患者转氨酶升高为正常上限的3倍或更多,总胆红素和碱性磷酸酶正常,但混合或胆汁淤积性肝毒性超上限的2倍或更多,不良事件持续7个月,并经活检确认。

Pexidattinib是第一个在TGCT患者中显示出较强肿瘤反应的系统治疗方法,可改善了患者的症状和功能,但混合或胆汁淤积性肝毒性风险较高。

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    2019-10-10 howi
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    2020-01-02 feather89
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    2019-06-24 wwzzly