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Journal Article
Review
Association of PD-L1 expression with survival benefit from PD-1/PD-L1 inhibitors in advanced cancer: systematic review and meta-analysis of phase III randomized clinical trials.
Critical Reviews in Oncology/hematology 2024 April 12
BACKGROUND: Whether PD-L1 testing is needed to identify patients receiving PD-1/PD-L1 inhibitors is an area of debate.
METHODS: PubMed and Embase were searched for phase III randomized clinical trials. We assessed the heterogeneity of overall survival (OS) between patients with high and low PD-L1 expression using an interaction test.
RESULTS: Seventy studies representing 44791 patients were included. Both the CPS and TPS can predict better survival from anti-PD-1/PD-L1 therapy in patients with high PD-L1 expression. However, only CPS 1 has the ability to select patients who are unlikely to respond to anti-PD-1/PD-L1 therapy, while an OS advantage can be obtained from PD-1/PD-L1 inhibitors both in patients with high and low PD-L1 expression defined by CPS 5, CPS 10 and TPS.
CONCLUSION: CPS 1 is recommended to select patients with the likelihood of benefiting from PD-1/PD-L1 inhibitors while excluding patients who may not respond.
METHODS: PubMed and Embase were searched for phase III randomized clinical trials. We assessed the heterogeneity of overall survival (OS) between patients with high and low PD-L1 expression using an interaction test.
RESULTS: Seventy studies representing 44791 patients were included. Both the CPS and TPS can predict better survival from anti-PD-1/PD-L1 therapy in patients with high PD-L1 expression. However, only CPS 1 has the ability to select patients who are unlikely to respond to anti-PD-1/PD-L1 therapy, while an OS advantage can be obtained from PD-1/PD-L1 inhibitors both in patients with high and low PD-L1 expression defined by CPS 5, CPS 10 and TPS.
CONCLUSION: CPS 1 is recommended to select patients with the likelihood of benefiting from PD-1/PD-L1 inhibitors while excluding patients who may not respond.
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