Title : Investigation on the survival implications of PD-L1 expression status in ALK- rearranged advanced non-small cell lung cancer treated with first-line crizotinib.

Pub. Date : 2022 May

PMID : 35405360






5 Functional Relationships(s)
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1 BACKGROUND: Programmed cell death-ligand 1 (PD-L1) expression has been associated with shorter progression-free survival (PFS) of crizotinib-treated patients with anaplastic lymphoma kinase (ALK) rearranged non-small cell lung cancer (NSCLC). Crizotinib CD274 molecule Homo sapiens
2 BACKGROUND: Programmed cell death-ligand 1 (PD-L1) expression has been associated with shorter progression-free survival (PFS) of crizotinib-treated patients with anaplastic lymphoma kinase (ALK) rearranged non-small cell lung cancer (NSCLC). Crizotinib CD274 molecule Homo sapiens
3 METHODS: Between October 1, 2015, and October 31, 2021, we retrospectively analyzed the baseline PD-L1 expression levels using immunohistochemistry 22C3 assay of tissue samples from 128 patients with ALK-rearranged advanced lung adenocarcinoma who were treated with first-line crizotinib. Crizotinib CD274 molecule Homo sapiens
4 Patients with high baseline PD-L1 (n = 30) expression level had significantly shorter median PFS (6 vs 11 months, p = 0.011) and OS (17 vs 53 months, p = 0.023) on crizotinib treatment than those with low PD-L1 level (n = 98). Crizotinib CD274 molecule Homo sapiens
5 Patients with high baseline PD-L1 (n = 30) expression level had significantly shorter median PFS (6 vs 11 months, p = 0.011) and OS (17 vs 53 months, p = 0.023) on crizotinib treatment than those with low PD-L1 level (n = 98). Crizotinib CD274 molecule Homo sapiens