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KMID : 1039120210100020191
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Clinical and Experimental Vaccine Research
2021 Volume.10 No. 2 p.191 ~ p.195
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A possible protective role for Bacillus Calmette-Guerin therapy in urinary bladder cancer in the era of COVID-19: a brief report
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Moghadam Solmaz Ohadian
Abbasi Behzad
Nowroozi Ali
Amini Erfan
Nowroozi Mohammad Reza
Momeni Seyed Ali
Niroomand Hassan
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Abstract
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Given the systemic immunogenic effects of Bacillus Calmette-Guerin (BCG) therapy in patients with bladder cancer and its non-specific immunogenic effects in viral respiratory diseases, we aimed to study severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection in bladder cancer patients with a history of BCG therapy. In the present study, all bladder cancer survivors with a history of BCG therapy were identified and included in the study according to the data recovered from the UORC (Uro-Oncology Research Center) registry database. These patients were followed up in terms of acquiring coronavirus disease 2019 (COVID-19). Among the studied patients, 102 eligible bladder cancer patients with a history of BCG therapy entered the study. The males constituted the majority of the patients (86.3%), and more than half of the study population (55.9%) were above 65 years old. Among the understudy patients, 12.7% were confirmed for COVID-19. The study results did not show a statistically significant association between the time and number of BCG therapy courses and SARS-CoV-2 infection. Although no statistically significant association was observed between receiving BCG therapy and developing COVID-19, the infection rate in patients who had recently received BCG therapy was lower than those who had received therapy more than a year ago.
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KEYWORD
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Urinary bladder neoplasms, BCG therapy, COVID-19
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