Furthermore, elevation of PD-L1 expression on TC after neoadjuvant chemotherapy was associated with reduced chemotherapy response and inferior progression-free survival in patients with lung cancer.
Treatment with selective anti-PD1, anti-PD-L1 and/or anti-CTLA-4 monoclonal antibodies (mAbs) has been a revolution in the therapeutic scenario of several cancer types, with the highest clinical efficacy in melanoma and in lung cancer.
The purpose of this review is to: 1) analyze various preanalytical, analytical, and postanalytical factors influencing ICC results; 2) discuss measures for validation of ICC protocols; and 3) summarize published data on predictive ICC for ALK, ROS1, EGFR gene alterations and PD-L1 expression on lung cancer cytology.
Neutralizing antibodies targeting immune checkpoint programmed cell death protein 1 (PD-1) or its ligand (PD-L1) have been particularly successful for tumor types with limited therapeutic options such as melanoma and lung cancer.
<b>Background:</b> Predictive biomarkers for immunotherapy in lung cancer are intensively investigated; however, correlations between PD-L1/PD-1 expressions and clinical features or histopathological tumor characteristics determined on hematoxylin and eosin stained sections have not extensively been studied.
On the other hand, LKB1 deficiency can promote an immunosuppressive microenvironment and may be involved in primary resistance to anti-PD-1/anti-PD-L1, as it has been reported in lung cancer.
The mRNA and protein levels of PD-L1 decreased in the primary culture of JQ1-treated renal carcinoma, prostate cancer, liver cancer, and lung cancer cell lines.
Rarely, immunotherapy with anti-programmed cell death protein 1 and programmed death-ligand 1 antibodies across cancer may cause immune-related pulmonary toxicity, with a low overall incidence, being particularly low among patients with melanoma and highest among individuals with lung cancer.
Surgery was performed for lung cancer of the right lower lobe, and a pathological examination indicated primary PPC with high PD-L1 expression (tumor proportion score: 90%).
Immunotherapy based on programmed cell death protein 1/programmed death-ligand 1 checkpoint inhibitors may result in new treatment directions and a paradigm shift for Chinese patients with lung cancer.
In combination with anti-PD-1 inhibitors, pegilodecakin increased the responses in RCC and lung cancer with efficacy agnostic to PD-L1 status and tumor mutational burden.
Inhibitors of the most established immune checkpoints such as programmed death-1 (PD-1)/PD-ligand 1 (PD-L1) have been approved by the US Food and Drug Administration in the management of lung cancer.
The combinatory administration of MEKi with either anti-PD-1 or anti-PD-L1 mAbs synergistically increased antitumor response and survival outcome compared with single-agent therapy in both the PKL-mediated syngeneic and transgenic lung cancer models.