Adding checkpoint inhibitors to tyrosine kinase inhibitors targeting EGFR/ALK in non-small cell lung cancer: a new therapeutic strategy

Summary

After the massive approval of checkpoint inhibitors in the treatment of numerous malignancies and settings, checkpoint inhibitors-based combination therapies are emerging as a new therapeutic modality. Nivolumab and pembrolizumab (anti-PD1 agents) were recently approved as second-line treatment in NSCLC after progression on platinum-doublets. In parallel, targeting EGFR/ALK in NSCLC using tyrosine kinase inhibitors (TKI) demonstrated remarkable outcomes and was approved as standard treatment, in patients with EGFR mutation or ALK rearrangement. Combining TKI targeting EGFR/ALK with checkpoint inhibitors seems a promising therapeutic option and is being evaluated in different trials. We aimed in this paper to elucidate the rationale behind this combination, to report the premilinary results of ongoing trials evaluating this association and finally, to discuss briefly the possible future indication of this treatment modality.

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