Journal
JOURNAL OF COSMETIC DERMATOLOGY
Volume -, Issue -, Pages -Publisher
WILEY
DOI: 10.1111/jocd.15958
Keywords
clinical outcome; COVID-19; PDAI; pemphigus vulgaris; rituximab
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This retrospective study on 36 COVID-19 patients with pemphigus vulgaris found that the use of rituximab for treatment did not increase the risk of severe COVID-19. Most patients did not experience significant changes in pemphigus due to COVID-19.
BackgroundThe COVID-19 pandemic has raised some concerns regarding the management of chronic skin diseases, especially in patients on immunosuppressive therapy including patients with pemphigus vulgaris (PV). Literature review reveals conflicting results about the effect of monoclonal antibodies such as rituximab on clinical outcome of COVID-19. ObjectivesTo assess the reciprocal interaction of COVID-19 and pemphigus and the effect of rituximab on prognosis of COVID-19 in patients. MethodsWe set up a retrospective study on adult patients with a confirmed diagnosis of pemphigus vulgaris and a history of COVID-19 with or without symptoms during 2020. ResultsThirty-six adults with pemphigus vulgaris and SARS-CoV-2 infection were included. The SARS-CoV-2 infection was confirmed with positive RT-PCR test results in 31 cases (86.1%) and suspected in the 5 others (13.9%). Gender, total dose of rituximab, number of rituximab cycles, and involvement of head and neck were not associated to duration of COVID-19 symptoms (p values: 0.32, 0.23, 0.84, and 0.51, respectively), severity of disease (hospitalization) (p values: 0.46, 0.39, 0.23, and 0.72, respectively), or the percentage of lung involvement on CT scan (p values: 0.07, 0.36, 0.38, and 0.09, respectively). Regarding the impact of COVID-19 on pemphigus, the majority of patients did not experience any changes in their pemphigus regarding clinical phenotype (100%) or severity (83.3%), but PV was worsened in 6 (16.9%) patients which was controlled with increasing the prednisolone dosage. ConclusionRituximab appears to be safe with no increased risk of severe form of COVID-19 in patients with pemphigus vulgaris.
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