Pyrotinib, an irreversible pan-ErbB inhibitor, shows promising antitumour activity in patients with HER2-positive metastatic breast cancer, according to the results of a recent phase 1 trial.

中文翻译：

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吡罗替尼在转移性乳腺癌中显示活性

根据最近的一项1期临床试验的结果，吡罗替尼是一种不可逆的pan-ErbB抑制剂，在HER2阳性转移性乳腺癌患者中显示出有希望的抗肿瘤活性。