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Tseng Y.-H.,Taipei VeteransGeneral Hospital | Tseng Y.-H.,National Yang Ming University | Tseng Y.-C.,Taipei Veterans General Hospital | Lin Y.-H.,Taipei Hospital | And 6 more authors.
Oncologist | Year: 2015

Background. Lung cancer is frequently a disease of elderly patients. However, these patients are often treated less actively owing to a higher comorbidity rate and poor performance status. The efficacy of different treatments in elderly patients with epidermal growth factor receptor (EGFR)-mutated lung cancer is still unknown. Materials and Methods. We retrospectively reviewed the records of our pulmonary adenocarcinoma patients treated between 2010 and 2013. Data on patient age, type of tumor EGFR mutation, response to first-line EGFR-tyrosine kinase inhibitor (TKI) treatment, type of salvage chemotherapy, and efficacy of EGFR-TKI and salvage chemotherapy were collected. Results. In all, 473 of 1,230 stage IV adenocarcinoma patients had an EGFR mutation, and 330 of them received first-line TKI treatment. Of the 330 patients, 160 were $70 years old (elderly group) and 170 were ,70 years old (younger group). The response rate and progression-free survival (PFS) with first-line TKI treatment were not significantly different. The elderly group had shorter median survival. A total of 107 patients received salvage chemotherapy after first-line EGFRTKI treatment: 45 in the elderly group and 62 in the younger group. Their response rate and PFS were not significantly different; however, the younger group had longer median survival. Additional subgroup analysis showed that younger patients who received platinum-based chemotherapy or combination chemotherapy had better median survival than did the elderly patients. The PFS was longer among younger patients receiving a platinum-based regimen than that among the elderly patients. Conclusion. Elderly patients with disease progression after first-line EGFR-TKI treatment can receive chemotherapy and have a response rate similar to that of younger patients. © AlphaMed Press 2015.

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