Purpose of Review Checkpoint blockade has changed the treatment landscape in non-small cell lung cancer (NSCLC), but single-agent approaches are effective for only a select subset of patients. Here, we will review the evidence for combination immunotherapies in NSCLC and the clinical data evaluating the efficacy of this approach. Recent Findings Clinical trials evaluating combination PD-1 and CTLA-4 blockade as well as PD-1 in combination with agents targeting IDO1, B7-H3, VEGF, and EGFR show promising results. Additional studies targeting other immune pathways like TIGIT, LAG-3, and cellular therapies are ongoing. Summary Combination immunotherapy has the potential to improve outcomes in NSCLC. Data from early clinical trials is promising and reveals that these agents can be administered together safely without a significant increase in toxicity. Further studies are needed to evaluate their long-term safety and efficacy and to determine appropriate patient selection. . . . . . Keywords NSCLC Combination immunotherapy Checkpoint inhibitors CTLA-4 PD-1 PD-L1 Introduction immunotherapy was seen in the first-line treatment-naïve set- ting. In a selected population of patients with high PD-L1 The success of single-agent checkpoint blockade has trans- expression (PD-L1 ≥ 50%), pembrolizumab was associated formed the treatment paradigm of advanced-stage non-small with a 44.8%
Current Oncology Reports – Springer Journals
Published: May 8, 2018
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