Afatinib is an oral, irreversible, tyrosine kinase inhibitor (TKI) of EGFR, HER2 and HER4. According to phase I studies, the recommended dose of afatinib was 50mg daily. Rash, acne, diarrhea and stomatitis were the most common adverse events. Afatinib failed to demonstrate an improvement in overall survival in unselected heavily pretreated NSCLC patients (Lux-Lung-1). On the contrary, the Lux-Lung-3 and -6 trials met the primary end point, demonstrating a significant increase in terms of PFS with afatinib compared with chemotherapy in the first line treatment of EGFR mutant patients. Moreover, in both studies, afatinib improved overall survival in patients with exon 19 EGFR deletion (31.7 vs 20.7 months; HR: 0.59, p=0.0001). The results of ongoing randomized trials should further clarify the efficacy of afatinib compared with first-generation TKIs in advanced NSCLC, its activity in the adjuvant and neoadjuvant settings, as well as its efficacy in other tumors.

Afatinib: An overview of its clinical development in non-small-cell lung cancer and other tumors

BIANCO, ROBERTO;PERRONE, Francesco;
2015

Abstract

Afatinib is an oral, irreversible, tyrosine kinase inhibitor (TKI) of EGFR, HER2 and HER4. According to phase I studies, the recommended dose of afatinib was 50mg daily. Rash, acne, diarrhea and stomatitis were the most common adverse events. Afatinib failed to demonstrate an improvement in overall survival in unselected heavily pretreated NSCLC patients (Lux-Lung-1). On the contrary, the Lux-Lung-3 and -6 trials met the primary end point, demonstrating a significant increase in terms of PFS with afatinib compared with chemotherapy in the first line treatment of EGFR mutant patients. Moreover, in both studies, afatinib improved overall survival in patients with exon 19 EGFR deletion (31.7 vs 20.7 months; HR: 0.59, p=0.0001). The results of ongoing randomized trials should further clarify the efficacy of afatinib compared with first-generation TKIs in advanced NSCLC, its activity in the adjuvant and neoadjuvant settings, as well as its efficacy in other tumors.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11588/615668
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