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1.	Tsakonas, Georgios, et al. (författare) c-MET as a biomarker in patients with surgically resected non-small cell lung cancer 2019 Ingår i: Lung Cancer. - : Elsevier. - 0169-5002 .- 1872-8332. ; 133, s. 69-74 Tidskriftsartikel (refereegranskat)abstract Background: c-MET protein overexpression has been proposed as a biomarker in non-small cell lung cancer (NSCLC), albeit its role in the clinical setting has not been firmly established yet. Patients and methods: We designed a retrospective cohort study, consisting of 725 patients with surgically removed NSCLC. Immunohistochemistry (IHC) was conducted in tissue microarrays (TMA) from lung tumors and healthy tissue. IHC staining was quantified using H-scores (range 0-300). Association between c-MET H-score and overall survival (OS) as well as progression-free survival (PFS) was explored. Results: c-MET H-score >= 20 had a significant positive impact on OS in the multivariate analysis in the whole study population, HR = 0.79 (95%CI: 0.64 - 0.97). The prognostic effect of c-MET H-score >= 20 was even stronger in patients who received adjuvant treatment with a HR = 0.61 (95% CI: 0.40 - 0.93). In the subgroup of adenocarcinoma and squamous cell carcinoma patients with stage IIA-IIIB disease, the prognostic impact of c-MET was significant in the univariate analysis (HR = 0.60, 95% CI: 0.43 - 0.83). Conclusion: c-MET H-score >= 20 is a positive prognostic biomarker for OS in early stage NSCLC. This benefit seems to be strongly correlated to adjuvant chemotherapy, therefore rendering c-MET H-score >= 20 a possible predictive biomarker for platinum-based adjuvant chemotherapy in early stage NSCLC.

Tsakonas, Georgios, et al. (författare)
c-MET as a biomarker in patients with surgically resected non-small cell lung cancer
2019
Ingår i: Lung Cancer. - : Elsevier. - 0169-5002 .- 1872-8332. ; 133, s. 69-74
Tidskriftsartikel (refereegranskat)abstract
- Background: c-MET protein overexpression has been proposed as a biomarker in non-small cell lung cancer (NSCLC), albeit its role in the clinical setting has not been firmly established yet. Patients and methods: We designed a retrospective cohort study, consisting of 725 patients with surgically removed NSCLC. Immunohistochemistry (IHC) was conducted in tissue microarrays (TMA) from lung tumors and healthy tissue. IHC staining was quantified using H-scores (range 0-300). Association between c-MET H-score and overall survival (OS) as well as progression-free survival (PFS) was explored. Results: c-MET H-score >= 20 had a significant positive impact on OS in the multivariate analysis in the whole study population, HR = 0.79 (95%CI: 0.64 - 0.97). The prognostic effect of c-MET H-score >= 20 was even stronger in patients who received adjuvant treatment with a HR = 0.61 (95% CI: 0.40 - 0.93). In the subgroup of adenocarcinoma and squamous cell carcinoma patients with stage IIA-IIIB disease, the prognostic impact of c-MET was significant in the univariate analysis (HR = 0.60, 95% CI: 0.43 - 0.83). Conclusion: c-MET H-score >= 20 is a positive prognostic biomarker for OS in early stage NSCLC. This benefit seems to be strongly correlated to adjuvant chemotherapy, therefore rendering c-MET H-score >= 20 a possible predictive biomarker for platinum-based adjuvant chemotherapy in early stage NSCLC.

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