Lung cancer is the second most common cancer worldwide and the leading cause of death among cancers. The progressive approvals of immunotherapy as first-line treatment options have helped improve cancer prognosis. However, longer follow-up has confirmed the possibility of acquired resistance to immune checkpoint inhibitors (ICIs) which can lead to late relapses. Chemotherapy can act as a priming therapy to increase a tumor’s response to immunotherapy. We aim through this review to explain the mechanism behind ICI resistance and the value of chemotherapy in escaping this resistance. Finally, all US FDA approvals regarding the management of metastatic non-small-cell lung cancer using a combination of ICIs and chemotherapy are summarized.
Immune checkpoint inhibitors for patients acquired resistance to tyrosine kinase inhibitors with EGFR mutated non-small cell lung cancer: A multicenter retrospective study
