Immunological response of mutant EGFR-Targeted Peptide Vaccine Combined With EGFR Tyrosine kinase inhibitor (EGFR TKI) for Patients With Advanced Lung cancer harbouring EGFR mutations refractory to EGFR TKI treatment
Distinct Survivals and Optimal Combination of Immunotherapy Plus Immunophenotype in Uncommon and 20ins EGFR-mut Lung Adenocarcinoma: a Retrospective Multi-center Study
Immunotherapy effectiveness and optimal combination strategy in lung cancers with EGFR uncommon and 20ins mutations was unclear. Based on 627 lung adenocarcinoma patients harboring EGFR mutations and receiving immunotherapy, we reported that patients with EGFR uncommon mutations had better response to immunotherapy, than EGFR 19del/L858R or 20in mutations. Immunotherapy monotherapy or plus chemotherapy was identified as better combination strategy for EGFR uncommon or 20ins mutations, respectively. Higher tumor mutation burden, more M1 macrophage, less Tregs and M2 macrophages infiltration, but not PD-L1 expression was found to be associated with EGFR uncommon mutations, compared to EGFR 19del/L858R or 20in mutations. These findings revealed diverse response and optimal combination strategy of lung adenocarcinoma patients harboring EGFR mutation subtypes, promoting rethinking about current immunotherapy application and prolonging survivals of them.
UCLA L-08: A Phase Ib/II Study of Combined HER Inhibition Adding Necitumumab and Trastuzumab to Osimertinib in Patients With Refractory EGFR-Mutated Lung Cancer
This phase Ib/II trial studies the side effects and best dose of trastuzumab and necitumumab together with osimertinib, and to see how well they work for the treatment of stage IV non-small cell lung cancer that is EGFR-mutated, resistant to osimertinib, and has not responded to previous treatment (refractory). Immunotherapy with monoclonal antibodies, such as trastuzumab and necitumumab, may help the body's immune system attack the cancer, and may interfere with the ability of tumor cells to grow and spread. Osimertinib may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Giving trastuzumab and necitumumab together with osimertinib may work better than osimertinib alone in treating patients with stage IV EGFR-mutated non-small cell lung cancer.