Clinical efficacy and safety of anti-PD-1/PD-L1 inhibitors for the treatment of advanced or metastatic cancer: a systematic review and meta-analysis

Anti-PD-1/PD-L1 inhibitors provide a survival advantage over conventional therapies for treatment of advanced or metastatic cancer. However, the factors determining which patients benefit the most from anti-PD-1/PD-L1 inhibitors are unknown, making treatment-related decisions difficult. We performed...

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Veröffentlicht in:Scientific reports 2020-02, Vol.10 (1), p.2083, Article 2083
Hauptverfasser: Sun, Leitao, Zhang, Leyin, Yu, Jieru, Zhang, Yinan, Pang, Xi, Ma, Chenghao, Shen, Minhe, Ruan, Shanming, Wasan, Harpreet S., Qiu, Shengliang
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container_title Scientific reports
container_volume 10
creator Sun, Leitao
Zhang, Leyin
Yu, Jieru
Zhang, Yinan
Pang, Xi
Ma, Chenghao
Shen, Minhe
Ruan, Shanming
Wasan, Harpreet S.
Qiu, Shengliang
description Anti-PD-1/PD-L1 inhibitors provide a survival advantage over conventional therapies for treatment of advanced or metastatic cancer. However, the factors determining which patients benefit the most from anti-PD-1/PD-L1 inhibitors are unknown, making treatment-related decisions difficult. We performed a systematic review and meta-analysis of acquired data to assess the efficacy and toxicity of anti-PD-1/PD-L1 inhibitors in advanced and metastatic cancer. A thorough search strategy was applied to identify randomised controlled trials (RCTs) in Pubmed, Embase, Cochrane, and major conferences. Studies meeting predefined selection criteria were selected, and two independent investigators performed data extraction; overall survival (OS), progression-free survival (PFS), and overall response rate were compared between anti-PD-1/PD-L1 inhibitors and control therapies. We calculated the pooled response rate and 95% CIs of all-grade and high-grade (≥3) adverse effects and evaluated the within-study heterogeneity using subgroup, sensitivity, and meta-regression analyses. In final, we included eligible 35 RCTs (21047 patients). The main estimated hazard ratios (HRs) for OS and PFS were 0.76 (0.71–0.82) and 0.81 (0.73–0.89) in a random-effects model. The anti-PD-1/PD-L1 inhibitor group had a significantly high risk for all-grade immune-related adverse events. Anti-PD-1/PD-L1 inhibitors were identified as a preferable treatment option for advanced or metastatic cancer patients who are male, aged 
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subjects 692/308/409
692/4028/67/1059/2325
Antibodies, Monoclonal, Humanized - adverse effects
Antibodies, Monoclonal, Humanized - therapeutic use
Antineoplastic Agents - adverse effects
Antineoplastic Agents - therapeutic use
B7-H1 Antigen - antagonists & inhibitors
Cancer
Clinical trials
Epidermal growth factor receptors
Heterogeneity
Humanities and Social Sciences
Humans
Inhibitors
Meta-analysis
Metastases
Metastasis
multidisciplinary
Neoplasms - drug therapy
Patients
PD-1 protein
PD-L1 protein
Programmed Cell Death 1 Receptor - antagonists & inhibitors
Response rates
Science
Science (multidisciplinary)
Survival
Systematic review
Toxicity
Treatment Outcome
title Clinical efficacy and safety of anti-PD-1/PD-L1 inhibitors for the treatment of advanced or metastatic cancer: a systematic review and meta-analysis
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