Lung cancer : journal of the International Association for the Study of Lung Cancer
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Review Comparative Study
Is VATS lobectomy standard of care for operable non-small cell lung cancer?
Video-Assisted Thoracic Surgery (VATS) for treatment of lung cancer is being increasingly applied worldwide in the last few years. Since its introduction, many publications have been providing strong evidences that this minimally invasive approach is feasible, safe and oncologically efficient; offering to patients several advantages over traditional open thoracotomy, particularly for early-stage disease (I and II). The application of VATS for locally advanced disease treatment has also been largely described, but probably requires a further level of experience, which is more likely to be found in reference centers, with skilled experts. ⋯ And in this scenario, retrospective data remains as the most reliable source of scientific information. Based on a literature review, the main objective of this article is to discuss to what extent VATS lobectomy can be considered the gold standard in the surgical treatment of lung cancer, taking into account the most important comparison aspects between the minimally invasive approach and open thoracotomy technique. This review addresses questions regarding lymph node dissection, oncologic efficacy, extended resections beyond standard lobectomy, post-operative complications/pain/quality of life, survival rates and the present limits of indication (and contraindication) for VATS, in order to define the real role of this technique on the surgical treatment of lung cancer in a minimally invasive, but safe and effective manner.
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Prior studies have shown an anticancer effect of statins in patients with certain malignancies. However, it is unclear whether statins have a mortality benefit in lung cancer. We compared survival of patients with stage IV non-small cell lung cancer (NSCLC) receiving vs. not receiving statins prior to diagnosis. ⋯ Statin use is associated with improved survival among patients with stage IV NSCLC suggesting a potential anticancer effect. Further research should evaluate plausible biological mechanisms as well as test the effect of statins in prospective clinical trials.
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Leptomeningeal metastasis is a severe complication of non-small cell lung cancer. Its prognosis is very poor and conventional treatments have limited efficacy. However, epidermal growth factor receptor-tyrosine kinase inhibitors have exhibited high response rates in EGFR mutation-positive lung cancer patients with central nervous system metastases. ⋯ Moreover, the safety of this doublet regimen in patients with a poor general condition is not known. Herein, we report on a case treated with erlotinib plus bevacizumab for leptomeningeal metastases from EGFR mutation-positive non-small cell lung cancer. The patient's performance status significantly improved and the cerebrospinal fluid penetration rate of erlotinib plus bevacizumab was equal to or greater than the past reports of erlotinib alone.
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Immunotherapy such as nivolumab is a new promising therapeutic option for advanced stage non small cell lung cancer (NSCLC). Due to the interference with the immune system previously unknown side effects are observed both in clinical studies and experience. ⋯ Up to now there is only limited information regarding potential cardiac side effects. We present a case of symptomatic drug induced myocarditis after nine cycles of nivolumab in a patient with efficient anticancer response.
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Inhibitors of the programmed cell death 1 (PD-1) pathway show the potential to substantially increase the efficacy of therapy for various malignancies, including non-small cell lung cancer (NSCLC). At the same time, substantial effort has been invested in finding biomarkers predicting which patients will respond best to this immune checkpoint inhibition. PD-L1 expression in tumor cells and the tumor microenvironment, genetic alterations and mutational load in tumor cells, and pre-existing immunity and its enhancement during treatment through tumor-infiltrating immune cells have been associated with outcomes of immune checkpoint inhibition. Here, we review the reported predictive biomarkers of response to PD-1 pathway immune checkpoint inhibitors in NSCLC, mainly focusing on results obtained with clinical trials.