Discovery medicine · 2023
Efficacy of PD-1 Inhibitors Combined with Anti-Angiogenic Therapy in Driver Gene Mutation Negative Non-Small-Cell Lung Cancer with Brain Metastases.
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Song Jia-Qi, Wang Xia, Zeng Zhi-Min, Liang Ping-An, Zhong Cong-Ying, Liu An-Wen
Аннотация
OBJECTIVE: Anti-angiogenic therapy has proven effective in non-small-cell lung cancer (NSCLC) patients. The purpose of this study was to evaluate the efficacy of programmed cell death protein 1 (PD-1) inhibitors combined with anti-angiogenic therapy in patients with driver gene mutation negative NSCLC and brain metastases (BMs).
METHODS: A retrospective analysis was performed on NSCLC BMs in patients without driver gene mutations who received PD-1 inhibitors. Two groups, receiving either PD-1 inhibitor monotherapy or PD-1 inhibitor plus anti-angiogenesis therapy, were identified. The primary endpoints were overall survival (OS) and intracranial progression-free survival (iPFS). The secondary endpoints were safety, intracranial objective response rate (iORR) and intracranial disease control rate (iDCR).
RESULTS: 113 NSCLC patients were included, 51 (45.1%) in the PD-1 inhibitor monotherapy group and 62 (54.9%) in the PD-1 inhibitor plus anti-angiogenesis therapy group. The median follow-up time was 26.2 months. OS was higher in the combination therapy cohort than in the monotherapy cohort (OS: 21.4 vs. 11.8 months; p = 0.004), with no significant difference in iPFS (p = 0.088). Moreover, the PD-1 inhibitor + anti-angiogenic therapeutic regimen exhibited the preferred iDCR (p = 0.005) but not the iORR (p = 0.121). There was no significant difference in the incidence of grade 3-4 adverse events between the two groups. In multivariate Cox regression analysis, PD-1 inhibitor therapy combined with anti-angiogenic treatment (p = 0.003) was an independent prognostic indicator of OS.
CONCLUSIONS: Combining PD-1 inhibitor therapy with anti-angiogenic treatment significantly improves the OS of driver gene mutation negative NSCLC patients with BMs.
METHODS: A retrospective analysis was performed on NSCLC BMs in patients without driver gene mutations who received PD-1 inhibitors. Two groups, receiving either PD-1 inhibitor monotherapy or PD-1 inhibitor plus anti-angiogenesis therapy, were identified. The primary endpoints were overall survival (OS) and intracranial progression-free survival (iPFS). The secondary endpoints were safety, intracranial objective response rate (iORR) and intracranial disease control rate (iDCR).
RESULTS: 113 NSCLC patients were included, 51 (45.1%) in the PD-1 inhibitor monotherapy group and 62 (54.9%) in the PD-1 inhibitor plus anti-angiogenesis therapy group. The median follow-up time was 26.2 months. OS was higher in the combination therapy cohort than in the monotherapy cohort (OS: 21.4 vs. 11.8 months; p = 0.004), with no significant difference in iPFS (p = 0.088). Moreover, the PD-1 inhibitor + anti-angiogenic therapeutic regimen exhibited the preferred iDCR (p = 0.005) but not the iORR (p = 0.121). There was no significant difference in the incidence of grade 3-4 adverse events between the two groups. In multivariate Cox regression analysis, PD-1 inhibitor therapy combined with anti-angiogenic treatment (p = 0.003) was an independent prognostic indicator of OS.
CONCLUSIONS: Combining PD-1 inhibitor therapy with anti-angiogenic treatment significantly improves the OS of driver gene mutation negative NSCLC patients with BMs.