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Review

Interactions between COVID-19 and Lung Cancer: Lessons Learned during the Pandemic

1
Faculty of Medicine and Health Sciences, McGill University, Montreal, QC H3G 2M1, Canada
2
Cancer Research Program, Research Institute, McGill University Health Center Glen Site, McGill University, Montreal, QC H4A 3J1, Canada
3
Cancer Research Program, Research Institute, and Department of Oncology, Cedars Cancer Center, McGill University Health Center Glen Site, McGill University, Montreal, QC H4A 3J1, Canada
*
Author to whom correspondence should be addressed.
Cancers 2022, 14(15), 3598; https://doi.org/10.3390/cancers14153598
Submission received: 16 June 2022 / Revised: 16 July 2022 / Accepted: 20 July 2022 / Published: 23 July 2022
(This article belongs to the Special Issue Coronavirus Disease (COVID-19) and Its Impact on Patients with Cancer)

Simple Summary

COVID-19 is a respiratory infectious disease caused by the coronavirus SARS-CoV-2. Lung cancer is the leading cause of all cancer-related deaths worldwide. As both SARS-CoV-2 and lung cancer affect the lungs, the aim of this narrative review is to provide a consolidation of lessons learned throughout the pandemic regarding lung cancer and COVID-19. Risk factors found in lung cancer patients, such as advanced cancers, smoking, male, etc., have been associated with severe COVID-19. The cancer treatments hormonal therapy, immunotherapy, and targeted therapy have shown no association with severe COVID-19 disease, but chemotherapy and radiation therapy have shown conflicting results. Logistical changes and modifications in treatment plans were instituted during the pandemic to minimize SARS-CoV-2 exposure while maintaining life-saving cancer care. Finally, medications have been developed to treat early COVID-19, which can be highly beneficial in vulnerable cancer patients, with paxlovid being the most efficacious drug currently available.

Abstract

Cancer patients, specifically lung cancer patients, show heightened vulnerability to severe COVID-19 outcomes. The immunological and inflammatory pathophysiological similarities between lung cancer and COVID-19-related ARDS might explain the predisposition of cancer patients to severe COVID-19, while multiple risk factors in lung cancer patients have been associated with worse COVID-19 outcomes, including smoking status, older age, etc. Recent cancer treatments have also been urgently evaluated during the pandemic as potential risk factors for severe COVID-19, with conflicting findings regarding systemic chemotherapy and radiation therapy, while other therapies were not associated with altered outcomes. Given this vulnerability of lung cancer patients for severe COVID-19, the delivery of cancer care was significantly modified during the pandemic to both proceed with cancer care and minimize SARS-CoV-2 infection risk. However, COVID-19-related delays and patients’ aversion to clinical settings have led to increased diagnosis of more advanced tumors, with an expected increase in cancer mortality. Waning immunity and vaccine breakthroughs related to novel variants of concern threaten to further impede the delivery of cancer services. Cancer patients have a high risk of severe COVID-19, despite being fully vaccinated. Numerous treatments for early COVID-19 have been developed to prevent disease progression and are crucial for infected cancer patients to minimize severe COVID-19 outcomes and resume cancer care. In this literature review, we will explore the lessons learned during the COVID-19 pandemic to specifically mitigate COVID-19 treatment decisions and the clinical management of lung cancer patients.
Keywords: SARS-CoV-2; COVID-19; COVID-19 therapy; COVID-19 risk factors; lung cancer; cancer therapy; cancer care; inflammation SARS-CoV-2; COVID-19; COVID-19 therapy; COVID-19 risk factors; lung cancer; cancer therapy; cancer care; inflammation

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MDPI and ACS Style

Bian, D.J.H.; Sabri, S.; Abdulkarim, B.S. Interactions between COVID-19 and Lung Cancer: Lessons Learned during the Pandemic. Cancers 2022, 14, 3598. https://doi.org/10.3390/cancers14153598

AMA Style

Bian DJH, Sabri S, Abdulkarim BS. Interactions between COVID-19 and Lung Cancer: Lessons Learned during the Pandemic. Cancers. 2022; 14(15):3598. https://doi.org/10.3390/cancers14153598

Chicago/Turabian Style

Bian, David J. H., Siham Sabri, and Bassam S. Abdulkarim. 2022. "Interactions between COVID-19 and Lung Cancer: Lessons Learned during the Pandemic" Cancers 14, no. 15: 3598. https://doi.org/10.3390/cancers14153598

APA Style

Bian, D. J. H., Sabri, S., & Abdulkarim, B. S. (2022). Interactions between COVID-19 and Lung Cancer: Lessons Learned during the Pandemic. Cancers, 14(15), 3598. https://doi.org/10.3390/cancers14153598

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