Castleman disease patients report mild COVID-19 symptoms and mount a humoral response to SARS-CoV-2 vaccination.
Blood Neoplasia
; 1(1)2024 Mar.
Article
em En
| MEDLINE
| ID: mdl-39044861
ABSTRACT
The coronavirus disease of 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection has resulted in increased morbidity and mortality in patients with impaired immunity, hematologic malignancies, and immunosuppressive regimens. COVID-19 can cause a cytokine storm with some patients benefiting from blockade of the pro-inflammatory cytokine, interleukin 6 (IL6). As Castleman disease (CD) is an atypical lymphoproliferative disorder that can involve a cytokine storm and often requires immunosuppressive therapies, including IL6 inhibition, we sought to evaluate outcomes following COVID-19 and SARS-CoV-2 vaccination in CD patients. We administered a survey in April 2021 to characterize experiences with COVID-19 and SARS-CoV-2 vaccination among 300 CD patients enrolled in ACCELERATE, a natural history registry of CD patients. Among 128 respondents, the prevalence of SARS-CoV-2 infection (16/95, 17%), severe disease (1/16, 6%), vaccination rates (112/128, 88%), and vaccine adverse effects after dose one (62/112, 55%) were comparable to the general U.S. population. While there were two cases of CD flares occurring shortly after SARS-CoV-2 infection (N=1) and vaccination (N=1), over 100 patients in this study that were infected and/or vaccinated did not experience CD flares. The median anti-spike titer six months after the second dose among CD patients was comparable to individuals with other immune-related diseases and healthy populations. Data from this small cohort suggest that, despite being on immunosuppressive therapies, CD patients do not appear to be at increased risk of poor COVID-19 outcomes and can mount a humoral response to SARS-CoV-2 vaccination. This study was registered on clinicaltrials.gov (#NCT02817997).
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2024
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Article