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[Research Progress of the Role of EMT in EGFR-TKIs Resistance ?of Non-small Cell Lung Cancer].

ABSTRACT: Lung cancer is the one of the malignant tumor of the highest morbidity and mortality over the world, and non-small cell lung cancer (NSCLC) makes up about 80%. Nowadays, molecular targeted therapy has been the first-line treatment for NSCLC. Epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKIs) are increasingly used in the clinical treatment, but the EGFR-TKIs acquired resistance becomes the bottleneck of continuation of EGFR-TKIs therapy. Epithelial-mesenchymal transition (EMT) is a biological phenomenon in which epithelial cells are transformed into mesenchymal cells. EMT promoted metastasis, invasion of lung cancer and conferred characteristic of stem cell on cancer cells. Meanwhile, EMT is one of an important cause of EGFR-TKIs resistance in NSCLC. The recent studies have found that resistant cells restored the sensitivity to EGFR-TKIs by reversing EMT which suggested that the target of EMT may contribute to inhibit or even reverse the resistance of EGFR-TKIs. Here we make a review about research progress of EMT in EGFR-TKIs resistance in NSCLC.?.

SUBMITTER: Yu L

PROVIDER: S-EPMC6318572 | biostudies-literature | 2018 Dec

REPOSITORIES: biostudies-literature

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[Research Progress of the Role of EMT in EGFR-TKIs Resistance  of Non-small Cell Lung Cancer].

Yu Li L Huang Sha S Lv Wang W He Zhehao Z Hu Jian J

Zhongguo fei ai za zhi = Chinese journal of lung cancer 20181201 12

Lung cancer is the one of the malignant tumor of the highest morbidity and mortality over the world, and non-small cell lung cancer (NSCLC) makes up about 80%. Nowadays, molecular targeted therapy has been the first-line treatment for NSCLC. Epidermal growth factor receptor-tyrosine kinase inhibitors (EGFR-TKIs) are increasingly used in the clinical treatment, but the EGFR-TKIs acquired resistance becomes the bottleneck of continuation of EGFR-TKIs therapy. Epithelial-mesenchymal transition (EMT ...[more]

PMID: 30591098

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Project description:BackgroundWhile prospective clinical studies on immunotherapy in epidermal growth factor receptor (EGFR) mutant non-small-cell lung cancer (NSCLC) with acquired resistance to EGFR tyrosine kinase inhibitors (TKIs) are ongoing, this study aimed to investigate the outcomes of immunotherapy combinations in such a population in a real-world setting.MethodsThe clinical data of pretreated EGFR-mutated NSCLC patients who acquired EGFR-TKI resistance and received immunotherapy were retrospectively analyzed in this study. Progression-free survival (PFS) was assessed using the Kaplan-Meier log-rank test, and univariate and multivariate analysis were performed.ResultsA total of 31 patients were analyzed in this study. A total of 25 (80.6%) patients received combination immunotherapy. In the univariate analysis, patients who received combination immunotherapy seemingly acquired longer PFS than those who received monotherapy, although there was no significant difference (3.42 months vs. 1.61; P = 0.078; hazard ratio (HR) 0.43, 95% CI: 0.16-1.13). Patients who received antiangiogenic drugs prior to immunotherapy acquired better PFS (3.42 months vs. 1.58; P = 0.027; HR 0.37, 95% CI: 0.15-0.93), while patients with liver metastasis had inferior PFS (2.04 months vs. 3.42; P = 0.031; HR 2.83, 95% CI: 1.05-7.60). Furthermore, multivariate analysis confirmed that the above three factors had independent prognostic value.ConclusionsThe study revealed that immunotherapy combinations are better choices than single-agent regimens in previously treated and EGFR-mutant NSCLC patients with progressive disease. In addition, antiangiogenic drugs administered before immunotherapy might be a favorable prognostic factor, while liver metastasis was associated with a short PFS in this setting. In future, more robust and prospective clinical trial results are expected to guide clinical practice.Key pointsSignificant study findings Immunotherapy-based combination therapies are better choices than single-agent regimens in heavily treated EGFR-mutant NSCLC patients. What this study adds Patients without liver metastasis and with prior antiangiogenic drugs obtained more benefit from immunotherapy in this setting.

Dataset Information

[Research Progress of the Role of EMT in EGFR-TKIs Resistance ?of Non-small Cell Lung Cancer].

Publications

[Research Progress of the Role of EMT in EGFR-TKIs Resistance  of Non-small Cell Lung Cancer].

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Dataset Information

[Research Progress of the Role of EMT in EGFR-TKIs Resistance ?of Non-small Cell Lung Cancer].

Publications

[Research Progress of the Role of EMT in EGFR-TKIs Resistance of Non-small Cell Lung Cancer].

Similar Datasets

OmicsDI is part of the ELIXIR infrastructure

Tweets

[Research Progress of the Role of EMT in EGFR-TKIs Resistance  of Non-small Cell Lung Cancer].