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PD-L1 Expression in Lung Cancer.


ABSTRACT: Immunotherapies targeted against programmed death ligand 1 (PD-L1) and its receptor (PD-1) have improved survival in a subset of patients with advanced lung cancer. PD-L1 protein expression has emerged as a biomarker that predicts which patients are more likely to respond to immunotherapy. The understanding of PD-L1 as a biomarker is complicated by the history of use of different immunohistochemistry platforms with different PD-L1 antibodies, scoring systems, and positivity cut-offs for immunotherapy clinical trials with different anti-PD-L1 and anti-PD-1 drugs. Herein, we summarize the brief history of PD-L1 as a biomarker and describe the challenges remaining to harmonize PD-L1 detection and interpretation for best patient care.

SUBMITTER: Yu H 

PROVIDER: S-EPMC5353357 | biostudies-literature | 2016 Jul

REPOSITORIES: biostudies-literature

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PD-L1 Expression in Lung Cancer.

Yu Hui H   Boyle Theresa A TA   Zhou Caicun C   Rimm David L DL   Hirsch Fred R FR  

Journal of thoracic oncology : official publication of the International Association for the Study of Lung Cancer 20160423 7


Immunotherapies targeted against programmed death ligand 1 (PD-L1) and its receptor (PD-1) have improved survival in a subset of patients with advanced lung cancer. PD-L1 protein expression has emerged as a biomarker that predicts which patients are more likely to respond to immunotherapy. The understanding of PD-L1 as a biomarker is complicated by the history of use of different immunohistochemistry platforms with different PD-L1 antibodies, scoring systems, and positivity cut-offs for immunoth  ...[more]

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