2021
DOI: 10.1016/s2352-3026(21)00110-1
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Response to first vaccination against SARS-CoV-2 in patients with multiple myeloma

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Cited by 127 publications
(131 citation statements)
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“…After the first mRNA vaccine dose, we observed only 2% of MM patients with spike antibody levels of >250 IU/mL, and just 19% of patients at levels above background (>50 IU/mL). This contrasts with an earlier report, which indicated that 56% of myeloma patients had positive IgG levels 21 days after a single vaccine dose [ 24 ]. This difference is unlikely to be due to patient sera being drawn earlier, as another study demonstrated that patients sampled at 13–16 days after the first dose of mRNA vaccines had 78% of the antibody levels as those sampled at 21–28 days [ 25 ].…”
Section: Discussioncontrasting
confidence: 99%
See 1 more Smart Citation
“…After the first mRNA vaccine dose, we observed only 2% of MM patients with spike antibody levels of >250 IU/mL, and just 19% of patients at levels above background (>50 IU/mL). This contrasts with an earlier report, which indicated that 56% of myeloma patients had positive IgG levels 21 days after a single vaccine dose [ 24 ]. This difference is unlikely to be due to patient sera being drawn earlier, as another study demonstrated that patients sampled at 13–16 days after the first dose of mRNA vaccines had 78% of the antibody levels as those sampled at 21–28 days [ 25 ].…”
Section: Discussioncontrasting
confidence: 99%
“…This difference is unlikely to be due to patient sera being drawn earlier, as another study demonstrated that patients sampled at 13–16 days after the first dose of mRNA vaccines had 78% of the antibody levels as those sampled at 21–28 days [ 25 ]. Rather, this is more likely due to a different cutoff selection in the commercial IgG assay used by Bird et al [ 24 ]. The phase III clinical trials for both mRNA vaccines demonstrated that there was clinically significant protection from COVID-19 as early as 14 days after the first dose [ 15 , 16 ].…”
Section: Discussionmentioning
confidence: 99%
“…A study by Bird and colleagues 24 showed that patients with multiple myeloma with active disease, active treatment, or immunoparesis had inferior serological responses to a single dose of ChAdOx1 or BNT162b2 vaccines; however, no associations between serological response and multiple myeloma treatment type were detected. Treatment and disease-related immunoparesis in patients with multiple myeloma are difficult to disentangle because treatment regimens include combinations of drugs from different classes administered in multiple treatment lines.…”
Section: Discussionmentioning
confidence: 99%
“…Recently, one study reported that the first dose of a COVID-19 vaccine (either Pfizer-BioNTech or Oxford-AstraZeneca) was able to induce an immune response in around 70% of patients with multiple myeloma. Yet, patients with worse remission status (SD/PD) and suppression of polyclonal (physiologic) immunoglobulins were more likely to lack a seropositive response following a vaccination [30]. Even though the initial clinical studies of the COVID-19 vaccines did not include cancer patients, the European Society for Medical Oncology (ESMO), the Society for Immunotherapy of Cancer (SITC) and the National Comprehensive Cancer Network (NCCN) COVID-19 Vaccination Advisory Committee have recently released their preliminary recommendations supporting vaccination of all patients with cancer, including those receiving active therapy [31][32][33].…”
Section: Discussionmentioning
confidence: 99%