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We thank Kondo et al 1 for their interest in our study reporting on the course of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) disease (COVID-19) in a case series of patients with systemic lupus erythematosus (SLE) under long-term treatment with hydroxychloroquine.2 Currently, there are no data that identify SLE as a risk factor for COVID-19-related immunological complications. Kondo et al 1 report a patient with SLE experiencing an exacerbation of immune thrombocytopaenic purpura (ITP) likely triggered by COVID-19. This case raises several subjects for discussion. In the cohort of patients with SLE that we reported, there were no manifestations of lupus activity during the course of COVID-19, except for one patient who had a tenosynovitis at the onset of SARS-CoV-2 …
Footnotes
Handling editor Josef S Smolen
Contributors AM and ZA wrote the manuscript.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient and public involvement Patients and/or the public were not involved in the design, or conduct, or reporting, or dissemination plans of this research.
Provenance and peer review Commissioned; internally peer reviewed.