2022
DOI: 10.1016/s0140-6736(22)00147-7
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Omicron neutralising antibodies after third COVID-19 vaccine dose in patients with cancer

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Cited by 74 publications
(101 citation statements)
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“…However, as previously reported in healthy individuals and solid tumor patients (2-4, 11, 12, 15-17), in this study neutralizing antibody levels against Omicron were reduced in comparison with the ancestral virus. Altogether, our results build on previous findings showing that B cell-targeted therapies are associated with reduced antibody responses after primary vaccination (20, 22-24, 28, 29) and that a significant fraction of patients with B cell malignancies remain seronegative after booster immunization (12,17,23,25,30). Our findings contrast with the studies in solid tumor patients, where the majority of patients develop robust booster-mediated responses, although cytoreductive chemotherapies may impair responses in select patients (11,18,(20)(21)(22)31).…”
Section: Discussionsupporting
confidence: 84%
“…However, as previously reported in healthy individuals and solid tumor patients (2-4, 11, 12, 15-17), in this study neutralizing antibody levels against Omicron were reduced in comparison with the ancestral virus. Altogether, our results build on previous findings showing that B cell-targeted therapies are associated with reduced antibody responses after primary vaccination (20, 22-24, 28, 29) and that a significant fraction of patients with B cell malignancies remain seronegative after booster immunization (12,17,23,25,30). Our findings contrast with the studies in solid tumor patients, where the majority of patients develop robust booster-mediated responses, although cytoreductive chemotherapies may impair responses in select patients (11,18,(20)(21)(22)31).…”
Section: Discussionsupporting
confidence: 84%
“…3). The stringent hamster model is generally well suited to assess both aspects of preclinical VE, individual protection and transmission (24)(25)(26)48). An obvious shortcoming of our current study is the limited infectivity of VOC Omicron in hamsters (30), and that VE of YF-S0*against Omicron can hence not directly be assessed in this gold standard model.…”
Section: Discussionmentioning
confidence: 99%
“…While the intrinsic pathogenic potential of Omicron remains uncertain (21), its antigenic divergence leads to a loss of activity of most therapeutic monoclonal antibodies (22) and failure of current first-generation vaccines to protect from infection (23,24). The maintenance of some cross-protective nAb levels may require repeated booster dosing (24)(25)(26).…”
Section: Introductionmentioning
confidence: 99%
“…13 Omicron partially evades antibodies induced by infection or vaccination and it raises concerns regarding the effectiveness of current vaccines. [14][15][16] Few data are available on the response after full vaccination and booster dose in cancer patients 17 and any detailed studies are available in patients with MM and monoclonal gammopathies.…”
Section: Introductionmentioning
confidence: 99%