Background: Coronavirus disease 2019 (COVID-19) pandemic affected millions of individuals, and patients with cancer are known to be more susceptible. Vaccines against SARS-CoV-2 have been developed and used for patients with cancer, but scarce data are available on their efficacy in patients under active anti-cancer therapies.
Materials And Methods: In this study, we semi-quantitatively measured the titers of the immunoglobulin G against the anti-spike protein subunit 1 of SARS-CoV-2 after vaccination of patients with early breast cancer undergoing concurrent chemotherapy, endocrinal or targeted non-cytotoxic treatments, and no treatments.
Results: Standard doses of COVID-19 vaccines provided sufficient immune responses in patients with early breast cancer, regardless of the type of anticancer therapies. However, the post-vaccination serum anti-spike antibody titers were significantly lower in the patients under cytotoxic chemotherapy.
Conclusion: Our study emphasizes the importance of the personalized risk stratification and consideration for booster doses in more vulnerable populations.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC9732225 | PMC |
| http://dx.doi.org/10.1093/oncolo/oyac196 | DOI Listing |
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