Lung adenocarcinoma harboring L858R and T790M mutations in epidermal growth factor receptor, with poor response to gefitinib: A case report.

Lung adenocarcinoma harboring L858R and T790M mutations in epidermal growth factor receptor, with poor response to gefitinib: A case report.
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表皮生长因子受体 L858R 和 T790M 突变的肺腺癌对吉非替尼反应不佳:一例报告

DOI:
10.3892/ol.2014.2321
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发表时间:
2014-09
期刊:
影响因子:
2.9
通讯作者:
Ke ZF
Ke ZF
中科院分区:
医学4区
文献类型:
--
作者:
Wang YF;Xiang X;Pei X;Li S;Tang C;Wang L;Ke ZF

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肺癌是全世界人类恶性疾病中死亡率最高的原因。在过去的十年中,使用第一代可逆性表皮生长因子受体(EGFR)酪氨酸激酶抑制剂(TKI)(包括吉非替尼)的非小细胞肺癌分子靶向治疗已被证明是携带EGFR激活突变的患者的一种有前途的方法。本研究报告了一例77岁的患者,诊断为腺癌,EGFR基因中存在L 858 R和T790 M点突变。患者接受吉非替尼作为二线治疗,但未观察到临床获益。由于大多数接受EGFR-TKI治疗的肺癌患者获得耐药,因此重复活检和EGFR突变状态的检测有利于选择适当的治疗方法。
Lung cancer is the leading cause of mortality among malignant diseases in humans worldwide. During the last decade, molecular targeted therapies for non-small cell lung cancer using first-generation, reversible epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs), including gefitinib, have been shown to be a promising approach for patients harboring activating mutations in EGFR. The current study reports a 77-year-old patient diagnosed with adenocarcinoma harboring L858R and T790M point mutations in the EGFR gene. The patient was treated with gefitinib as the second-line therapy, but no clinical benefit was observed. As the majority of patients with lung cancer receiving EGFR-TKI therapy acquire resistance, repeated biopsies and detection of the EGFR mutation state are beneficial for selecting appropriate treatments.
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