SARS-CoV-2 antibody responses in patients with aggressive haematological malignancies
O'Nions, J.; Muir, L.; Zheng, J.; Rees-Spear, C.; Rosa, A.; Earl, C.; Cherepanov, P.; Gupta, R.; Khwaja, A.; Jolly, C.; McCoy, L. E.
Show abstract
The development of antibody responses to SARS-CoV-2 is an indicator of seroprevalence and may afford protection from infection. It has been presumed that antibody responses to SARS-CoV-2 will be impaired in patients with aggressive haematological malignancy (PHM) due to underlying immunological dysfunction caused by malignancy or systemic anti-cancer treatment (SACT), placing them at increased risk. Here we analysed longitudinal serum samples from ten hospitalised PHM with aggressive disease and on SACT, collected up to 103 days post-onset of COVID-19 symptoms. We found that the majority (8/9) of PHM with confirmed SARS-CoV-2 infection seroconverted and developed antibodies to the major SARS-CoV-2 antigens (S1 and N) with most (6/8) produced neutralising antibody responses. Furthermore, the dynamics of antibody responses were broadly similar to that reported for the general population, except for a possible delay to seroconversion. Our finding that PHM on SACT can make functional antibody responses to SARS-CoV-2 has important implications for patient management and serological monitoring of SARS-CoV-2 in high-risk groups.
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