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Current status and future perspectives of liquid biopsy in non-small cell lung cancer
Sunhee Chang, Jae Young Hur, Yoon-La Choi, Chang Hun Lee, Wan Seop Kim
J Pathol Transl Med. 2020;54(3):204-212.   Published online April 15, 2020
DOI: https://doi.org/10.4132/jptm.2020.02.27
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  • 16 Web of Science
  • 16 Crossref
AbstractAbstract PDF
With advances in target therapy, molecular analysis of tumors is routinely required for treatment decisions in patients with advanced non-small cell lung cancer (NSCLC). Liquid biopsy refers to the sampling and analysis of circulating cell-free tumor DNA (ctDNA) in various body fluids, primarily blood. Because the technique is minimally invasive, liquid biopsies are the future in cancer management. Epidermal growth factor receptor (EGFR) ctDNA tests have been performed in routine clinical practice in advanced NSCLC patients to guide tyrosine kinase inhibitor treatment. In the near future, liquid biopsy will be a crucial prognostic, predictive, and diagnostic method in NSCLC. Here we present the current status and future perspectives of liquid biopsy in NSCLC.

Citations

Citations to this article as recorded by  
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    Chiara Reina, Berina Šabanović, Chiara Lazzari, Vanesa Gregorc, Christopher Heeschen
    Translational Research.2024;[Epub]     CrossRef
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    Sima Singh, Pritam Saha Podder, Matt Russo, Charles Henry, Stefano Cinti
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    World Journal of Gastroenterology.2023; 29(15): 2241.     CrossRef
  • Liquid biopsy in the management of advanced lung cancer: Implementation and practical aspects
    Gabriela Fernandes, Ana Rodrigues, Cláudia Matos, Fernando Barata, Luís Cirnes, Lurdes Ferreira, José Albino Lopes, Margarida Felizardo, Paula Fidalgo, Ulisses Brito, Bárbara Parente
    Cancer Treatment and Research Communications.2023; 36: 100725.     CrossRef
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    Diagnostics.2022; 12(2): 326.     CrossRef
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    Diagnostics.2022; 12(5): 1102.     CrossRef
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    Sora Kim, Gwang Ha Kim, Su Jin Park, Chae Hwa Kwon, Hoseok I, Moon Won Lee, Bong Eun Lee
    Journal of Clinical Medicine.2022; 11(15): 4426.     CrossRef
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    Sunhee Chang, Hyo Sup Shim, Tae Jung Kim, Yoon-La Choi, Wan Seop Kim, Dong Hoon Shin, Lucia Kim, Heae Surng Park, Geon Kook Lee, Chang Hun Lee
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    D. Akhoundova, J. Mosquera Martinez, L. E. Musmann, C. Britschgi, C. Rütsche, M. Rechsteiner, E. Nadal, M. R. Garcia Campelo, A. Curioni-Fontecedro
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Original Article
Protein Expression and Gene Amplification of Epidermal Growth Factor Receptor in Non-Small Cell Lung Cancer: Correlation with the Response to Gefitinib Therapy.
Jinyoung Yoo, Kyungji Lee, Ji Han Jung, Byoung Yong Shim, Sung Hwan Kim, Deog Gon Cho, Myeong Im Ahn, Chi Hong Kim, Kyu Do Cho, Hoon Kyo Kim, Seok Jin Kang
Korean J Pathol. 2008;42(1):1-8.
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  • 25 Download
AbstractAbstract PDF
BACKGROUND
Gefitinib is an EGFR tyrosine kinase inhibitor that has shown dramatic effectiveness in a subset of non-small cell lung cancer (NSCLC) patients. We evaluated the response rate to gefitinib, and the significance of the EGFR and HER2/neu status as predictive markers of the tumor response.
METHODS
The EGFR and HER2/neu protein expressions, as determined by immunohistochemistry (IHC) and gene amplification via chromogenic in situ hybridization (CISH), were analyzed in biopsy specimens from 46 patients with advanced NSCLC. After their failure with the first-line treatment, all the patients had received gefitinib treatment.
RESULTS
A partial response (PR) was achieved in 8 patients (17.4%). An EGFR overexpression was detected in 80.4% (37/46) of the tumors, and this was observed exclusively in patients with a PR (100% vs 75.3%, respectively; p=0.076). EGFR gene amplification was present in 47.8% of the tumors (22/46). HER2/neu was overexpressed in 13%(6/46) and it was amplified in 17% (7/46). The overall survival was prolonged in the female patients (p=0.007), and in patients with T1 and T2 disease (p=0.039), adenocarcinoma (p=0.010), a PR (p=0.022), an EGFR IHC+ status (p=0.033), an EGFR IHC+/CISH+ status (p=0.010), or an EGFR+/HER2/neu+ status (p=0.030). On multivariate analysis, gender, T disease and EGFR IHC/CISH remained the significant predictors of survival.
CONCLUSIONS
Gefitinib showed a modest effect for the patients with chemotherapy-refractory advanced NSCLC. A combination of EGFR IHC and CISH might be important for identifying those patients who are most likely to benefit from gefitinib therapy.

J Pathol Transl Med : Journal of Pathology and Translational Medicine