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neo_2026_260506N141

Title: Afatinib combined with oral metronomic vinorelbine as second-line treatment for advanced lung squamous cell carcinoma: a retrospective cohort study
Author: Chen Yin, Binfeng Li, Xi Lin, Aoli Zhang, Yi Peng, Jing Tang, Xiaobing Li
Abstract: The aim of this study was to evaluate the efficacy and safety of afatinib combined with oral metronomic vinorelbine as a second-line treatment for patients with advanced lung squamous cell carcinoma (LSCC). A retrospective analysis was conducted on 38 patients with advanced LSCC who had failed first-line platinum-based doublet chemotherapy combined with immunotherapy between January 2022 and June 2024. All patients received afatinib (30 mg or 40 mg orally once daily) combined with oral metronomic vinorelbine (20 mg or 30 mg orally three times weekly on Monday, Wednesday, and Friday) until disease progression or unacceptable toxicity. The primary endpoints were objective response rate (ORR) and progression-free survival (PFS). Secondary endpoints included overall survival (OS), disease control rate (DCR), and treatment-related adverse events (TRAEs). Based on the data, the ORR was 26.3%, and the DCR was 68.4%. The median PFS was 5.0 months (95% CI: 4.7-5.4), and the median OS was 9.0 months (95% CI: 8.6-10.0). Grade ≥3 TRAEs occurred in 23.7% (9/38) of patients, including diarrhea (5.3%), rash (5.3%), neutropenia (5.3%), stomatitis (2.6%), and fatigue (2.6%). No grade 4-5 TRAEs or treatment-related deaths occurred. To conclude, the combination of afatinib and oral metronomic vinorelbine demonstrates promising antitumor activity and a manageable safety profile as a second-line treatment for advanced LSCC. This combo could represent an option as second-line after failure of chemo+IO.
Keywords: afatinib; vinorelbine; metronomic chemotherapy; oral chemotherapy; lung squamous cell carcinoma; second-line treatment; EGFR inhibitor; efficacy; safety
Year: , Volume: , Issue: Page From: , Page To:
doi:10.4149/neo_2026_260506N141


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