Lung cancer : journal of the International Association for the Study of Lung Cancer
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Meta Analysis Comparative Study
Comparative effectiveness of immune-checkpoint inhibitors for previously treated advanced non-small cell lung cancer - A systematic review and network meta-analysis of 3024 participants.
Role of PD-L1 expression to guide immunotherapies in previously treated advanced NSCLC remains unclear and there is a lack of data comparing immune checkpoint inhibitors (ICIs) with each other. This network meta-analysis (NMA) aims to compare survival with ICIs to docetaxel and perform indirect comparisons between ICIs in the PD-L1 unselected population and by PD-L1 expression levels. ⋯ ICIs improve survival in previously treated advanced NSCLC patients across PD-L1 expression levels compared to docetaxel. There is a positive dose-response relationship between PD-L1 expression and survival benefits, and little evidence of survival differences between nivolumab, pembrolizumab and atezolizumab.
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Case Reports
GCC2-ALK as a targetable fusion in lung adenocarcinoma and its enduring clinical responses to ALK inhibitors.
ALK, RET and ROS1 fusions have been identified as treatable targets in 5%-15% of non-small-cell lung cancers, and thanks to the advanced sequencing technologies, their new partner genes have been steadily detected. Here we identified a rare fusion of ALK (GCC2-ALK) in a patient with advanced lung adenocarcinoma and monitored the treatment efficacy of ALK inhibitors on this patient. We further performed in vitro functional studies of this fusion protein for evaluating its oncogenic potential. ⋯ We identified and functionally validated GCC2-ALK as a constitutively activated fusion in NSCLC. The patient was benefited from crizotinib treatment initially and then ceritinib after progression, suggesting GCC2-ALK as a novel therapeutic target for ALK inhibitors.
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In patients with refractory or recurrent non-small-cell lung cancer (NSCLC) after first line chemotherapy, phase III trials showed superiority of nivolumab, an IgG4 programmed death-1 immune-checkpoint-inhibitor antibody, over docetaxel. We evaluated case mix, effectiveness and safety of nivolumab upon implementation in general practice. ⋯ Upon implementation of nivolumab therapy in general hospitals, the case mix was characterized by a more heavily pretreated population with a substantial fraction of patients with ECOG score 2. The median overall survival is slightly inferior to what was published in the randomized phase III trials. An ECOG score 2 and the presence of liver metastasis correlated strongly with a worse survival. We report a high prevalence of serious adverse events.
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To assess whether an additional chest ultra-low-dose CT scan to the coronary CT angiography protocol can be used for lung cancer screening among patients with suspected coronary artery disease. ⋯ Lung cancer might be detected using additional ultra-low-dose protocols in coronary CT angiography scans among patients with suspected coronary artery disease.
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In a phase Ib trial, afatinib plus cetuximab demonstrated promising clinical activity (objective response rate [ORR]: 29%; median progression-free survival [PFS]: 4.7 months) in patients with epidermal growth factor receptor (EGFR) mutation-positive non-small-cell lung cancer (NSCLC) with acquired resistance to erlotinib or gefitinib. Here, a separate cohort exploring afatinib plus cetuximab after progression on afatinib is reported. ⋯ NCT01090011.