Article ; Online: Factors associated with prolonged progression-free survival of patients treated with first-line afatinib for advanced epidermal growth factor receptor-mutated non-small cell lung cancer.
2024 Volume 15, Issue 7, Page(s) 529–537
Abstract: Background: This study aimed to investigate the factors associated with prolonged progression-free survival (PFS) (>36 months) of advanced non-small cell lung cancer (NSCLC) patients harboring epidermal growth factor receptor (EGFR) mutations treated ... ...
Abstract | Background: This study aimed to investigate the factors associated with prolonged progression-free survival (PFS) (>36 months) of advanced non-small cell lung cancer (NSCLC) patients harboring epidermal growth factor receptor (EGFR) mutations treated with first-line afatinib. Methods: We performed a retrospective analysis of data of patients with advanced EGFR-mutated NSCLC receiving first-line afatinib at two tertiary care referral centers, Linkou and Kaohsiung Chang Gung Memorial Hospital, in Taiwan between June 2014 and April 2022. Results: The data of 546 treatment-naïve EGFR-mutated advanced NSCLC patients were analyzed. Median PFS and overall survival were 14.5 months and 27.2 months, respectively. The PFS of 462 patients (84.6%) was less than 36 months and of 84 patients (15.4%) was more than 36 months. The PFS > 36 months group had a significantly higher percentage of patients with uncommon mutations (p = 0.002). The PFS ≤36 months group had significantly higher incidences of bone, liver, and adrenal metastases (all p < 0.05) and a higher rate of multiple distant metastases. Multivariate logistic regression analysis showed that liver metastasis was negatively and independently associated with prolonged PFS (adjusted odds ratio = 0.246 [95% CI: 0.067-0.908], p = 0.035). The median overall survival of the PFS >36 months group was 46.0 months and that of the PFS ≤36 months group was 22.9 months (log-rank test, p < 0.001). Conclusions: We found that EGFR-mutated NSCLC patients receiving first-line afatinib were prone to shorter PFS if they had distant organ metastasis, especially liver metastasis. |
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MeSH term(s) | Humans ; Carcinoma, Non-Small-Cell Lung/drug therapy ; Carcinoma, Non-Small-Cell Lung/genetics ; Carcinoma, Non-Small-Cell Lung/pathology ; Afatinib/therapeutic use ; Lung Neoplasms/drug therapy ; Lung Neoplasms/genetics ; Progression-Free Survival ; Retrospective Studies ; ErbB Receptors/genetics ; Mutation ; Liver Neoplasms ; Protein Kinase Inhibitors/therapeutic use |
Chemical Substances | Afatinib (41UD74L59M) ; ErbB Receptors (EC 2.7.10.1) ; Protein Kinase Inhibitors |
Language | English |
Publishing date | 2024-01-26 |
Publishing country | Singapore |
Document type | Journal Article |
ZDB-ID | 2625856-0 |
ISSN | 1759-7714 ; 1759-7706 |
ISSN (online) | 1759-7714 |
ISSN | 1759-7706 |
DOI | 10.1111/1759-7714.15212 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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