Highlights
Cancer patients with COVID-19 have a higher morbidity and mortality.
Particularly patients with ongoing or recent cancer treatment, metastatic solid tumors and hematological malignancies are at risk.
Underlying immunosuppression, elevated cytokine levels, altered expression of the angiotensin converting enzyme (ACE-2) and TMPRSS2, and a prothrombotic status in cancer patients may fuel the effects of a SARS-CoV-2 sepsis.
The gene expression level of ACE2 may be an indicator of the susceptibility to SARS-CoV-2 infection, while TMPRSS2 plays a supporting role.
Better knowledge of the mechanisms involved may be a tool to identify high risk patients and to prevent severe complications by targeting the involved pathways.
Small cell lung cancer (SCLC) comprises about 15% of all lung cancers. It is an aggressive disease, with early metastasis and a poor prognosis. Until recently, SCLC treatment remained relatively unchanged, with chemotherapy remaining the cornerstone of treatment. In this overview we will highlight the recent advances in the field of staging, surgery, radiotherapy and systemic treatment. Nevertheless, the prognosis remains dismal and there is a pressing need for new treatment options. We describe the progress that has been made in systemic treatment by repurposing existing drugs and the addition of targeted treatment. In recent years, immunotherapy entered the clinic with high expectations of its role in the treatment of SCLC. Unravelling of the genomic sequence revealed new possible targets that may act as biomarkers in future treatment of patients with SCLC. Hopefully, in the near future, we will be able to identify patients who may benefit from targeted therapy or immunotherapy to improve prognoses.
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