Open Access

EGFR mutations subset in Chinese lung squamous cell carcinoma patients

  • Authors:
    • Ying Sun
    • Xin Yin
    • Miao‑Miao Wen
    • Jiao Zhang
    • Xue‑Jiao Wang
    • Jing‑Hua Xia
    • Yan‑Ning Zhang
    • Zhi‑Pei Zhang
    • Xiao‑Fei Li
  • View Affiliations

  • Published online on: April 5, 2018     https://doi.org/10.3892/mmr.2018.8859
  • Pages: 7575-7584
  • Copyright: © Sun et al. This is an open access article distributed under the terms of Creative Commons Attribution License.

Metrics: Total Views: 0 (Spandidos Publications: | PMC Statistics: )
Total PDF Downloads: 0 (Spandidos Publications: | PMC Statistics: )


Abstract

Abstract. Research has identified that epidermal growth factor receptor (EGFR) tyrosine kinase inhibitors (TKIs) possess large benefits for adenocarcinoma (ADC), although little benefit for squamous cell carcinoma (SCC). The aim of the present study was to investigate the percentage of patients with SCC with the EGFR mutations subset and the benefits of EGFR TKIs in SCC. In the present study, the EGFR mutations subset was detected with an amplification refractory mutation system in 1,359 clinical SCC tissues. The association of the EGFR mutations subset with clinicopathological parameters was evaluated using the Mann‑Whitney U test, and Kruskal‑Wallis H. Kaplan‑Meier survival analysis was used to estimate the effect of the EGFR mutations subset on SCC patient survival rates. A total of 94 out of 1,359 SCC patients were identified as having EGFR mutations, an EGFR mutation rate of 6.92%. The EGFR mutations subset in the 94 cases was identified as follows: 37.2% (35/94) in exon 19; 39.4% (37/94) in L858R; 5.3% (5/94) in T790M; 4.3% (4/94) in G719X; 2.1% (2/94) in L861Q; and 11.7% (11/94) in other mutations. Kaplan‑Meier survival analysis identified that the differentiation, pathological tumor, node, metastasis stage, lymph node metastasis and distant metastases were significantly associated with patients' survival (P>0.05; log‑rank test), and no significant difference was observed between TKI therapy and chemotherapy in terms of patient survival rates (P>0.05). In addition, the overall discordant rate of the EGFR mutations subset in SCC patients was relatively low. Due to the non‑significant difference between TKI therapy and chemotherapy in terms of patient survival and the lower discordance rate of the EGFR mutations subset in SCC patients, EGFR TKIs could be a recommended treatment for SCC.
View Figures
View References

Related Articles

Journal Cover

June-2018
Volume 17 Issue 6

Print ISSN: 1791-2997
Online ISSN:1791-3004

Sign up for eToc alerts

Recommend to Library

Copy and paste a formatted citation
x
Spandidos Publications style
Sun Y, Yin X, Wen MM, Zhang J, Wang XJ, Xia JH, Zhang YN, Zhang ZP and Li XF: EGFR mutations subset in Chinese lung squamous cell carcinoma patients. Mol Med Rep 17: 7575-7584, 2018
APA
Sun, Y., Yin, X., Wen, M., Zhang, J., Wang, X., Xia, J. ... Li, X. (2018). EGFR mutations subset in Chinese lung squamous cell carcinoma patients. Molecular Medicine Reports, 17, 7575-7584. https://doi.org/10.3892/mmr.2018.8859
MLA
Sun, Y., Yin, X., Wen, M., Zhang, J., Wang, X., Xia, J., Zhang, Y., Zhang, Z., Li, X."EGFR mutations subset in Chinese lung squamous cell carcinoma patients". Molecular Medicine Reports 17.6 (2018): 7575-7584.
Chicago
Sun, Y., Yin, X., Wen, M., Zhang, J., Wang, X., Xia, J., Zhang, Y., Zhang, Z., Li, X."EGFR mutations subset in Chinese lung squamous cell carcinoma patients". Molecular Medicine Reports 17, no. 6 (2018): 7575-7584. https://doi.org/10.3892/mmr.2018.8859