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Article

The level of serum carcinoembryonic antigen is a surrogate marker for the efficacy of EGFR‑TKIs but is not an indication of acquired resistance to EGFR‑TKIs in NSCLC patients with EGFR mutations

  • Authors:
    • Jingquan Han
    • Yuzhang Li
    • Shouqiang Cao
    • Qing Dong
    • Guibin Zhao
    • Xiangyu Zhang
    • Jian Cui
  • View Affiliations / Copyright

    Affiliations: Department of Thoracic Surgery, The Fourth Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China, Department of Thoracic Surgery, Heilongjiang Provincial Hospital, Harbin, Heilongjiang 150036, P.R. China
  • Pages: 61-66
    |
    Published online on: May 19, 2017
       https://doi.org/10.3892/br.2017.914
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Abstract

The aim of the present study was to define the relationship between carcinoembryonic antigen (CEA) and survival in non‑small cell lung cancer (NSCLC) patients receiving epidermal growth factor receptor‑tyrosine kinase inhibitors (EGFR‑TKIs) and to investigate whether the level of serum CEA is related to the mechanism for acquisition of resistance to EGFR‑TKIs. A total of 100 patients with advanced NSCLC (stage IIIB or stage IV) and harboring EGFR mutations were included. All patients received erlotinib or gefitinib treatment. The correlation between CEA serum level and clinical benefit from erlotinib or gefitinib treatment was analyzed. Patients were appraised by a review of data from a prospective re‑biopsy protocol for lung cancer patients with an EGFR‑mutated phenotype with acquired resistance to EGFR‑TKI therapy. Of 100 patients, 49 and 21 patients carried high and low level of CEA, respectively; 30 carried normal CEA. Median progression‑free survival was 6.4 and 4.5 months in patients with high and low level of CEA, respectively (P=0.027). Median PFS of patients in low‑CEA group longer than that of those with normal level of tumors (3.0 months; P=0.002). The difference between groups L and N was not significant regarding objective response rate and overall survival. No significant difference was found in three groups of acquired resistance to EGFR‑TKIs. The relative CEA level could predict benefit of EGFR‑TKI therapy in advanced NSCLC, but could not predict acquired resistance to EGFR‑TKIs.
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Copy and paste a formatted citation
Spandidos Publications style
Han J, Li Y, Cao S, Dong Q, Zhao G, Zhang X and Cui J: The level of serum carcinoembryonic antigen is a surrogate marker for the efficacy of EGFR‑TKIs but is not an indication of acquired resistance to EGFR‑TKIs in NSCLC patients with EGFR mutations. Biomed Rep 7: 61-66, 2017.
APA
Han, J., Li, Y., Cao, S., Dong, Q., Zhao, G., Zhang, X., & Cui, J. (2017). The level of serum carcinoembryonic antigen is a surrogate marker for the efficacy of EGFR‑TKIs but is not an indication of acquired resistance to EGFR‑TKIs in NSCLC patients with EGFR mutations. Biomedical Reports, 7, 61-66. https://doi.org/10.3892/br.2017.914
MLA
Han, J., Li, Y., Cao, S., Dong, Q., Zhao, G., Zhang, X., Cui, J."The level of serum carcinoembryonic antigen is a surrogate marker for the efficacy of EGFR‑TKIs but is not an indication of acquired resistance to EGFR‑TKIs in NSCLC patients with EGFR mutations". Biomedical Reports 7.1 (2017): 61-66.
Chicago
Han, J., Li, Y., Cao, S., Dong, Q., Zhao, G., Zhang, X., Cui, J."The level of serum carcinoembryonic antigen is a surrogate marker for the efficacy of EGFR‑TKIs but is not an indication of acquired resistance to EGFR‑TKIs in NSCLC patients with EGFR mutations". Biomedical Reports 7, no. 1 (2017): 61-66. https://doi.org/10.3892/br.2017.914
Copy and paste a formatted citation
x
Spandidos Publications style
Han J, Li Y, Cao S, Dong Q, Zhao G, Zhang X and Cui J: The level of serum carcinoembryonic antigen is a surrogate marker for the efficacy of EGFR‑TKIs but is not an indication of acquired resistance to EGFR‑TKIs in NSCLC patients with EGFR mutations. Biomed Rep 7: 61-66, 2017.
APA
Han, J., Li, Y., Cao, S., Dong, Q., Zhao, G., Zhang, X., & Cui, J. (2017). The level of serum carcinoembryonic antigen is a surrogate marker for the efficacy of EGFR‑TKIs but is not an indication of acquired resistance to EGFR‑TKIs in NSCLC patients with EGFR mutations. Biomedical Reports, 7, 61-66. https://doi.org/10.3892/br.2017.914
MLA
Han, J., Li, Y., Cao, S., Dong, Q., Zhao, G., Zhang, X., Cui, J."The level of serum carcinoembryonic antigen is a surrogate marker for the efficacy of EGFR‑TKIs but is not an indication of acquired resistance to EGFR‑TKIs in NSCLC patients with EGFR mutations". Biomedical Reports 7.1 (2017): 61-66.
Chicago
Han, J., Li, Y., Cao, S., Dong, Q., Zhao, G., Zhang, X., Cui, J."The level of serum carcinoembryonic antigen is a surrogate marker for the efficacy of EGFR‑TKIs but is not an indication of acquired resistance to EGFR‑TKIs in NSCLC patients with EGFR mutations". Biomedical Reports 7, no. 1 (2017): 61-66. https://doi.org/10.3892/br.2017.914
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