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Comparative Efficacy and Safety of Anti-PD-1/PD-L1 for the Treatment of Non-Small Cell Lung Cancer: A Network Meta-Analysis of 13 Randomized Controlled Studies

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FRONTIERS IN ONCOLOGY
卷 12, 期 -, 页码 -

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FRONTIERS MEDIA SA
DOI: 10.3389/fonc.2022.827050

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non-small cell lung cancer; chemotherapy; programmed cell death 1; programmed cell death ligand 1; network meta-analysis

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This study aimed to evaluate the efficacy and safety of PD-1/PD-L1 inhibitors in the treatment of non-small cell lung cancer (NSCLC) patients and determine the optimal therapeutic regimen through network meta-analysis. The results showed that atezolizumab, cemiplimab, nivolumab, and pembrolizumab significantly improved overall survival compared to chemotherapy. Additionally, cemiplimab may have the most favorable risk-benefit ratio and ranked first in terms of efficacy and safety.
Objective: The present network meta-analysis (NMA) was conducted to summarize the direct and indirect evidence of common programmed cell death 1 (PD-1)/programmed cell death ligand 1 (PD-L1) inhibitors including avelumab, atezolizumab, cemiplimab, nivolumab, and pembrolizumab for the treatment of non-small cell lung cancer (NSCLC) patients and further to determine the optimal therapeutic regimen. Methods: We performed a systematic literature search to identify all potentially eligible studies in PubMed, Embase, and the Cochrane Library until August 7, 2021. The primary outcome was overall survival (OS), and the second outcome was treatment-related adverse events (TRAEs). We used random-effects model to conduct direct and network meta-analyses, which were performed by using RevMan 5.3 and R version 3.6.1, respectively. Results: Direct meta-analysis suggested that atezolizumab, cemiplimab, nivolumab, or pembrolizumab significantly improved OS compared with chemotherapy (CT), and NMA further established that atezolizumab [hazard ratio (HR), 0.77; 95% CrI, 0.62-0.96], nivolumab (HR, 0.75; 95% CrI, 0.62-0.93), or pembrolizumab (HR, 0.71; 95% Credible interval (Crl), 0.57-0.89) significantly and cemiplimab (HR, 0.68; 95% CrI, 0.46-1.02) numerically improved OS compared with CT. Meanwhile, NMA also indicated that cemiplimab was numerically superior to other PD-1/PD-L1 agents. Moreover, avelumab, atezolizumab, cemiplimab, nivolumab, and pembrolizumab were found to have fewer TRAEs compared with CT in direct meta-analysis, which were supported by the results from the NMA. Meanwhile, surface under the cumulative ranking curve (SUCRA) and ranking probability suggested that cemiplimab provided the most favorable balance between efficacy and safety, with the first ranking for the OS. Conclusions: Based on available evidence, cemiplimab may have the most favorable risk-benefit ratio for NSCLC patients compared with other common therapeutic management. However, future research with a large-scale, high-quality, and mature follow-up is needed to further determine which agents should be preferentially selected for NSCLC patients due to the limitations of our NMA and variations of eligible studies in treatment line and PD-L1 status.

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