Article
PD-L1 expression in lung adenocarcinoma harboring EGFR mutations or ALK rearrangements.
Lung cancer (Amsterdam, Netherlands) - 1 Apr 2018
Yoneshima Yasuto, Ijichi Kayo, Anai Satoshi, Ota Keiichi, Otsubo Kohei, Iwama Eiji, Tanaka Kentaro, Oda Yoshinao, Nakanishi Yoichi, Okamoto Isamu
Abstract excerpt
OBJECTIVES: Expression of programmed cell death-ligand 1 (PD-L1) has been associated with clinical outcome of programmed cell death-1 (PD-1) pathway blockade in non-small cell lung cancer (NSCLC). The PD-L1 IHC 22C3 pharmDx assay, the only companion diagnostic for pembrolizumab therapy, has revealed that ∼30% of all NSCLCs express PD-L1 at a high level. The frequency of high PD-L1 expression in NSCLCs with known...
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