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Incidence, Clinical Presentation, Relapses and Outcome of Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infection in Patients Treated With Anti-CD20 Monoclonal Antibodies #MMPMID34383032
Calderon-Parra J; Munez-Rubio E; Fernandez-Cruz A; Garcia-Sanchez MC; Maderuelo-Gonzalez E; Lopez-Dosil M; Calvo-Salvador M; Banos-Perez I; Valle-Falcones M; Ramos-Martinez A
Clin Infect Dis 2022[May]; 74 (10): 1786-1794 PMID34383032show ga
BACKGROUND: Our objective is to describe the presentation and complications, including relapses, of coronavirus disease 2019 (COVID-19) in patients under anti-CD20 treatments. In addition, to describe viral clearance and determine the safety of reintroducing anti-CD20 treatment. METHODS: Retrospective cohort study of 422 patients under anti-CD20 treatment that was administered from 1 January 2019 to 31 December 2020. RESULTS: Fifty-seven patients were diagnosed with COVID-19 (13.5%). Twenty-five patients (43.9%) required hospital admission. Five patients died (8.8%), and 10 developed severe COVID-19 and acute respiratory distress syndrome. Mortality rate was higher among patients infected during the first 3 months following the last dose of anti-CD20 (14.7% vs 0%, P = .046). The median time of persistence of positive reverse transcription polymerase chain reaction (RT-PCR) was 22 days (IQR 13-40).Nine out of 52 survivors (17.3%) presented relapses. All of them received the last dose of anti-CD20 less than 6 months before the COVID-19 episode. Clinical presentation was fever (n = 8; 88.9%), dyspnea (n = 7; 77.8%), cough (n = 7; 77.8%), worsening of previous infiltrates (n = 5; 55.6%) and new pulmonary infiltrates (n = 8; 88.9%). An increase in lymphocytes with CD4/CD8 ratio inversion was observed in all cases. Among the 25 patients who resumed anti-CD20 drug, 4 (16.0%) presented relapses vs 5/28 among those who did not (17.9%), (P = .857). CONCLUSIONS: Patients infected with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) during the 6 months after anti-CD20 administration had a worse outcome and a higher mortality rate. The duration of infectivity may be longer. Relapses of COVID-19 occurred in more than 15% and were associated with viral replication. Once the infection is resolved, it is safe to restart treatment with anti-CD20.
Clin+Infect+Dis 2022 ; 74 (10): 1786-1794
