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Prognosis of EGFR-mutant Lung Adenocarcinoma Patients With Malignant Pleural Effusion Receiving First-line EGFR-TKI Therapy Without Pleurodesis: A Single-institute Retrospective Study.

EGFR突变型肺腺癌伴恶性胸腔积液患者接受一线EGFR-TKI治疗而不接受胸膜固定术的预后: 一项单研究所回顾性研究。

  • 影响因子:0
  • DOI:10.21873/anticanres.14051
  • 作者列表:"Kashiwabara K","Fuji S","Tsumura S","Sakamoto K
  • 发表时间:2020-02-01
Abstract

BACKGROUND/AIM:The survival benefit of first-line epidermal growth factor receptor tyrosine kinase inhibitor (EGFR-TKI) therapy without pleurodesis in EGFR-mutant lung adenocarcinoma patients with malignant pleural effusions (MPE) remains unclear. PATIENTS AND METHODS:We retrospectively evaluated overall survival (OS) among EGFR wild-type lung adenocarcinoma patients with MPE who received chemotherapy with pleurodesis (CT+PLD) and without pleurodesis (CT-PLD), and EGFR-mutant lung adenocarcinoma patients with MPE who received EGFR-TKI therapy with pleurodesis (TKI+PLD) and without pleurodesis (TKI-PLD). RESULTS:There was no difference in OS between the CT+PLD and the CT-PLD groups (10.8 months vs. 7.4 months). As compared to the TKI+PLD group, OS tended to be longer in the TKI-PLD group (21.8 months vs. 31.1 months). Patients in the TKI-PLD group had no hypoalbuminemia or deterioration of performance status during management of MPE and could receive second- and further-line therapy. CONCLUSION:EGFR-mutant patients with MPE who received first-line EGFR-TKI therapy without pleurodesis may show a better prognosis than those with pleurodesis.

摘要

背景/目的: 表皮生长因子受体酪氨酸激酶抑制剂 (egfr-tki) 一线治疗无胸膜固定的EGFR突变型肺腺癌合并恶性胸腔积液 (MPE) 患者的生存获益尚不清楚。 患者和方法: 我们回顾性评估接受胸膜固定化疗的EGFR野生型肺腺癌患者的总生存期 (OS) (CT + PLD) 无胸膜固定术 (ct-pld) 和EGFR突变的MPE肺腺癌患者接受EGFR-TKI联合胸膜固定术 (TKI + PLD) 和无胸膜固定术 (TKI-PLD) 治疗。 结果: CT + PLD组和ct-pld组之间的OS没有差异 (10.8 个月对 7.4 个月)。与TKI + PLD组相比,TKI-PLD组的OS趋于较长 (21.8 个月对 31.1 个月)。TKI-PLD组患者在MPE治疗期间无低白蛋白血症或表现状态恶化,可以接受二线和进一步治疗. 结论: EGFR突变的MPE患者接受一线EGFR-TKI治疗而不接受胸膜固定术可能显示出比胸膜固定术更好的预后。

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METHODS::Pulmonary artery sling is a rare congenital anomaly of the origin and course of the left pulmonary artery. Patients with this condition typically present with respiratory failure in young infancy, and asymptomatic cases are uncommon. We describe the case of an adult patient with a lung adenocarcinoma of the right upper lobe, extending into the hilum and superior mediastinum, and with a previously unknown pulmonary artery sling anomaly. The local invasiveness of the tumor and the peculiar vascular anatomy contributed to a unique surgical scenario, wherein multiple reconstructive procedures were required.

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影响因子:6.93
发表时间:2020-01-15
DOI:10.1002/ijc.32532
作者列表:["Hata A","Nakajima T","Matsusaka K","Fukuyo M","Morimoto J","Yamamoto T","Sakairi Y","Rahmutulla B","Ota S","Wada H","Suzuki H","Matsubara H","Yoshino I","Kaneda A"]

METHODS::Patients with idiopathic pulmonary fibrosis (IPF) have higher risk of developing lung cancer, for example, squamous cell carcinoma (SCC), and show poor prognosis, while the molecular basis has not been fully investigated. Here we conducted DNA methylome analysis of lung SCC using 20 SCC samples with/without IPF, and noncancerous lung tissue samples from smokers/nonsmokers, using Infinium HumanMethylation 450K array. SCC was clustered into low- and high-methylation epigenotypes by hierarchical clustering analysis. Genes hypermethylated in SCC significantly included genes targeted by polycomb repressive complex in embryonic stem cells, and genes associated with Gene Ontology terms, for example, "transcription" and "cell adhesion," while genes hypermethylated specifically in high-methylation subgroup significantly included genes associated with "negative regulation of growth." Low-methylation subgroup significantly correlated with IPF (78%, vs. 17% in high-methylation subgroup, p = 0.04), and the correlation was validated by additional Infinium analysis of SCC samples (n = 44 in total), and data from The Cancer Genome Atlas (n = 390). The correlation between low-methylation subgroup and IPF was further validated by quantitative methylation analysis of marker genes commonly hypermethylated in SCC (HOXA2, HOXA9 and PCDHGB6), and markers specifically hypermethylated in high-methylation subgroup (DLEC1, CFTR, MT1M, CRIP3 and ALDH7A1) in 77 SCC cases using pyrosequencing (p = 0.003). Furthermore, low-methylation epigenotype significantly correlated with poorer prognosis among all SCC patients, or among patients without IPF. Multivariate analysis showed that low-methylation epigenotype is an independent predictor of poor prognosis. These may suggest that lung SCC could be stratified into molecular subtypes with distinct prognosis, and low-methylation lung SCC that significantly correlates with IPF shows unfavorable outcome.

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影响因子:6.93
发表时间:2020-01-01
DOI:10.1002/ijc.32530
作者列表:["Zhang L","Yang Y","Chai L","Bu H","Yang Y","Huang H","Ran J","Zhu Y","Li L","Chen F","Li W"]

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