Publication date: Sep 09, 2024
Breakthrough COVID-19 (occurring in fully vaccinated people) has been described. Data on its characteristics among immune-mediated rheumatic disease (IMRD) patients are scarce. This study describes breakthrough COVID-19 occurring in IMRD patients participating in the SAFER-study, a Brazilian multicentric cohort evaluating the safety, effectiveness, and immunogenicity of SARS-CoV-2 vaccines in patients with autoimmune diseases. A descriptive analysis of the population and a binary logistic regression model were performed to evaluate the predictors of COVID-19-related hospitalization. A p-value < 0. 05 was significant. The included 160 patients were predominantly females (83. 1%), with a mean (SD) age of 40. 23 (13. 19) years. The patients received two (19%), three (70%), or four (11%) vaccine doses. The initial two-dose series was mainly with ChAdOx1 (Oxford/AstraZeneca) (58%) or BBIBP-CorV (Sinopharm-Beijing) (34%). The first booster (n = 150) was with BNT162b2 (BioNtech/Fosun Pharma/Pfizer) (63%) or ChAdOx1 (29%). The second booster (n = 112) was with BNT162b2 (40%) or ChAdOx1 (26%). The COVID-19 hospitalization rate was 17. 5%. IMRD moderate/high activity (OR: 5. 84; CI: 1. 9-18. 5; p = 0. 002) and treatment with corticosteroids (OR: 2. 94; CI: 1. 02-8. 49; p = 0. 0043) were associated with higher odds of hospitalization, while increasing the number of vaccine doses was protective (OR: 0. 37; CI: 0. 15-0. 9; p = 0. 032). These findings, along with previous reassuring results about the safety of the COVID-19 vaccines, argue in favor of booster vaccination in IMRD patients.
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Concepts | Keywords |
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Beijing | breakthrough COVID-19 infections |
Bnt162b2 | COVID-19 |
Booster | COVID-19 vaccines |
Rheumatic | health disparities |
Vaccinated | rheumatic diseases |