BMC pulmonary medicine · 2018
Erlotinib versus gefitinib for brain metastases in Asian patients with exon 19 EGFR-mutant lung adenocarcinoma: a retrospective, multicenter study.
Сравнительное исследованиеСтатьяМногоцентровое исследованиеНазвание и аннотация: Перевод пока не подготовлен
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Jiang Ye, Zhang Jing, Huang Juanjuan, Xu Bo, Li Ning, Cao Lei, Zhao Mingdong
Аннотация
BACKGROUND: The purpose of this study was to compare clinical outcomes of Erlotinib versus Gefitinib in the treatment of Asian patients with exon 19 EGFR-mutant lung adenocarcinoma and newly diagnosed brain metastases.
METHODS: Consecutive Asian patients with exon 19 EGFR-mutant lung adenocarcinoma and newly diagnosed brain metastases were identified and initially received peroral administration of 150 mg/d erlotinib or 250 mg/d gefitinib during 2009-2015. Overall survival (OS) was the primary endpoint. Progression-free survival (PFS) was the second endpoint.
RESULTS: The cohort consisted of 227 Asian patients (erlotinib-treated cohort: n = 112, mean age = 58.5 years [SD: 20.13]; gefitinib-treated cohort: n = 115, mean age = 58.4 years [SD: 19.52]). In a multivariate analysis controlling for age, sex and time span of smoking history, significant difference was detected in the 36-month OS between erlotinib and gefitinib groups (58.3% vs. 49.1%, p = 0.012). There was also significant difference in the 36-month PFS between erlotinib and gefitinib groups (64% vs. 53%, p = 0.013).
CONCLUSION: For Asian patients with exon 19 EGFR-mutant lung adenocarcinoma and brain metastases, erlotinib was associated with a significantly longer OS and a more prolonged PFS and compared with gefitinib.
METHODS: Consecutive Asian patients with exon 19 EGFR-mutant lung adenocarcinoma and newly diagnosed brain metastases were identified and initially received peroral administration of 150 mg/d erlotinib or 250 mg/d gefitinib during 2009-2015. Overall survival (OS) was the primary endpoint. Progression-free survival (PFS) was the second endpoint.
RESULTS: The cohort consisted of 227 Asian patients (erlotinib-treated cohort: n = 112, mean age = 58.5 years [SD: 20.13]; gefitinib-treated cohort: n = 115, mean age = 58.4 years [SD: 19.52]). In a multivariate analysis controlling for age, sex and time span of smoking history, significant difference was detected in the 36-month OS between erlotinib and gefitinib groups (58.3% vs. 49.1%, p = 0.012). There was also significant difference in the 36-month PFS between erlotinib and gefitinib groups (64% vs. 53%, p = 0.013).
CONCLUSION: For Asian patients with exon 19 EGFR-mutant lung adenocarcinoma and brain metastases, erlotinib was associated with a significantly longer OS and a more prolonged PFS and compared with gefitinib.