PURPOSE: We performed a sensitivity and meta-regression analysis, cumulating all randomized trials exploring the benefit of afatinib, erlotinib and gefitinib versus chemotherapy in advanced EGFR mutant NSCLC, to investigate the potential role of additional clinico-pathological predictors of TKIs efficacy. RESULTS: With regard to progression-free survival (PFS), a significant interaction according to ethnicity (Asian versus Caucasian versus mixed) and to trial design (retrospective versus prospective EGFR analysis), was found; a trend toward significance with regard to type of drug (gefitinib versus erlotinib versus afatinib) was determined. No statistically significant differences in survival were observed. With regard to response, a significant interaction according to ethnicity, trial design and type of drug, was found. CONCLUSION: These data, together with a deeper characterization of the molecular background sustaining the oncogenic process, may contribute to create a clinico-pathologic predictive model, aimed to improve the magnitude of benefit expected from the use of targeted agents.

Predictors of outcome for patients with lung adenocarcinoma carrying the epidermal growth factor receptor mutation receiving 1st-line tyrosine kinase inhibitors: Sensitivity and meta-regression analysis of randomized trials

PILOTTO, Sara;BRUNELLI, Matteo;TORTORA, GIAMPAOLO;Bria, Emilio
2014

Abstract

PURPOSE: We performed a sensitivity and meta-regression analysis, cumulating all randomized trials exploring the benefit of afatinib, erlotinib and gefitinib versus chemotherapy in advanced EGFR mutant NSCLC, to investigate the potential role of additional clinico-pathological predictors of TKIs efficacy. RESULTS: With regard to progression-free survival (PFS), a significant interaction according to ethnicity (Asian versus Caucasian versus mixed) and to trial design (retrospective versus prospective EGFR analysis), was found; a trend toward significance with regard to type of drug (gefitinib versus erlotinib versus afatinib) was determined. No statistically significant differences in survival were observed. With regard to response, a significant interaction according to ethnicity, trial design and type of drug, was found. CONCLUSION: These data, together with a deeper characterization of the molecular background sustaining the oncogenic process, may contribute to create a clinico-pathologic predictive model, aimed to improve the magnitude of benefit expected from the use of targeted agents.
Afatinib; Erlotinib; Ethnicity; Gefitinib; Lung cancer; Meta-analysis; Trial design
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11562/651964
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