Durable Response to Immune Checkpoint Blockade Plus Albumin-Bound Paclitaxel in Two Osimertinib-Refractory Patients with EGFR-mutated Lung Adenocarcinoma

Bo Yang, Yaping Long, Zhibo Zhang, Yuheng Ma, Z. Cui, P. Cui, Xiao-yan Li, Y. Hu
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Abstract

Osimertinib (AZD9291, Tagrisso) is an irreversible third-generation epidermal growth factor receptor (EGFR) tyrosine kinase inhibitor (TKI) compound. Limited effective therapeutic regimens are recommended for patients who progress with osimertinib. We retrospectively reviewed two patients with EGFR mutations who were resistant to osimertinib and received anti-programmed cell death-1 (anti-PD-1) agents combined with Abraxane with stage IV cancer. The two patients (one male and one female) were diagnosed with EGFR mutation-positive advanced lung adenocarcinoma and received first- or second-generation EGFR-TKIs. When these patients became resistant, both received osimertinib. Both patients had disease progression after osimertinib and received combination therapy of immune checkpoint blockade (nivolumab or pembrolizumab) and albumin-bound paclitaxel (Abraxane). These patients achieved partial remission (PR), and their progression-free survival (PFS) were respectively 8.0 months and 10.0 months. The combination of immunotherapy and Abraxane could be an effective option for the treatment of patients resistant to osimertinib.
免疫检查点阻断加白蛋白结合紫杉醇治疗2例egfr突变肺腺癌奥西替尼难治性患者的持久应答
Osimertinib (AZD9291, Tagrisso)是一种不可逆的第三代表皮生长因子受体(EGFR)酪氨酸激酶抑制剂(TKI)化合物。有限的有效治疗方案被推荐给奥西替尼进展的患者。我们回顾性回顾了两例对奥西替尼耐药的EGFR突变患者,他们接受了抗程序性细胞死亡-1(抗pd -1)药物联合Abraxane治疗IV期癌症。这两名患者(一男一女)被诊断为EGFR突变阳性的晚期肺腺癌,并接受了第一代或第二代EGFR- tkis治疗。当这些患者出现耐药性时,他们都接受了奥西替尼治疗。两名患者在服用奥西替尼后均出现疾病进展,并接受了免疫检查点阻断(nivolumab或pembrolizumab)和白蛋白结合紫杉醇(Abraxane)的联合治疗。这些患者达到部分缓解(PR),其无进展生存期(PFS)分别为8.0个月和10.0个月。免疫疗法和Abraxane联合治疗可能是治疗对奥希替尼耐药患者的有效选择。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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