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COVID-19 and Behçet’s disease: clinical case series
  1. Gerard Espinosa1,
  2. Olga Araujo2,
  3. Sergi Amaro3,
  4. Marta Bodro4,
  5. Pedro Juan Moreno5,
  6. Reinaldo Moreno6,
  7. Ainoa Ugarte5,
  8. R Cervera7
  1. 1Autoimmune Diseases, University of Barcelona, Barcelona, Catalunya, Spain
  2. 2Autoimmune Diseases, Hospital Clinic de Barcelona, Barcelona, Catalunya, Spain
  3. 3Neurology, Hospital Clinic de Barcelona, Barcelona, Catalunya, Spain
  4. 4Infectious Diseases, Hospital Clinic de Barcelona, Barcelona, Catalunya, Spain
  5. 5Internal Medicine, Hospital Clinic de Barcelona, Barcelona, Catalunya, Spain
  6. 6Medical Oncology, Hospital Clinic de Barcelona, Barcelona, Catalunya, Spain
  7. 7Autoimmune Diseases, Hospital Clinic, Barcelona, Catalunya, Spain
  1. Correspondence to Dr Gerard Espinosa, Autoimmune Diseases, Hospital Clinic, Barcelona 08036, Spain; gespino{at}clinic.cat

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We read with interest the study of Monti et al,1 the first rheumatic disease cases with COVID-19. In detail, the authors described the clinical course of COVID-19 in a series of 11 patients with rheumatoid arthritis, one with psoriatic arthritis and one with spondyloarthritis treated with immunosuppressive targeted therapies. Here, we describe the main characteristics of four patients with Behçet’s disease (BD) with COVID-19.

Data on patients with systemic autoimmune diseases with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection are currently lacking. Data from the first 110 patients included in the COVID-19 Global Rheumatology Alliance and the European League Against Rheumatism (EULAR)–COVID-19 Database have been recently published.2

Here we describe, to our knowledge, the first single-centre experience of COVID-19 in patients who fulfilled the international criteria for BD,3 including clinical characteristics, antiviral and immunomodulatory treatment, and outcomes. All patients gave informed consent for publishing their clinical data. We used nasopharyngeal swab samples for all diagnoses, amplifying the betacoronavirus E gene and the specific SARS-CoV-2 RdRp gene by PCR.

On 16 April 2020, 2135 consecutive patients with SARSCoV-2 infection had been admitted to Hospital Clínic de Barcelona, Barcelona, Catalonia, Spain. We admitted 238 (11%) into intensive care units and we discharged 1481 (67%) with supervised outpatient care. Of all patients, four (0.19%, 95% CI 0.05–0.48) had BD (table 1), of whom three were admitted to the hospital. Two of the patients were nurses and have had contact with patients with COVID-19. Only one of the patients with BD had comorbidities, and in all of them, disease activity, measured with Behçet’s Disease Activity Index (BDAI)4 at the time of first COVID-19 symptoms, was low (BDAI score of <3). Three patients had upper respiratory infection and one had viral pneumonia. No patient required admission to the intensive care unit or invasive and non-invasive mechanical ventilation. In other words, the severity of COVID-19 infection was mild in all cases.

Table 1

Demographics, clinical characteristics at admission, laboratory features, treatment and outcomes of four patients with BD and COVID-19

Anti-SARS-CoV2 treatment (hydroxychloroquine, lopinavir-boosted ritonavir and azythromicin) was administered to the three patients admitted to the hospital on the day of diagnosis. Due to diarrhoea, protease inhibitors were discontinued in two of them. In all patients, COVID-19 resolved without complications. Regarding BD status, one patient presented with a flare during COVID-19 (patient 2) and another patient presented with it after 15 days of COVID-19 resolution (patient 4). In both cases, BD activity improved with colchicine.

Our case series of patients with BD deserves some comments. First of all, patients with BD accounted for 0.19% of patients with COVID-19 who required admission to Hospital Clinic de Barcelona. Of the first 110 patients included in the COVID-19 Global Rheumatology Alliance and the EULAR–COVID-19 Database, 7% had vasculitis.2 Unfortunately, the authors have not described in detail the type of vasculitis. Second, people on immunosuppressive treatment are more prone to infections. However, no specific data exist to suggest that medication-induced immunosuppressed state predisposes patients to SARS-CoV-2 infections or to more severe forms of COVID-19. Of note, all patients with BD had a COVID-19 clinical picture resembling the general population, and the severity of COVID-19 infection was mild in all cases. Two of our patients were receiving immunosuppressive agents at COVID diagnosis. Third, colchicine is the drug of choice for the prevention of recurrent mucocutaneous lesions of BD.5 Due to its anti-inflammatory properties by preventing the activation of pro-IL-1ß into active IL-1ß, it could be established as a treatment for patients with COVID-19.6 Two of our patients had been treated with colchicine at COVID-19 diagnosis. The potential protective role of disease-modifying antirheumatic drugs and immunomodulatory agents in COVID-19 infection is unknown. By generating information such as what we have presented here, the management and prognosis of patients with BD and SARS-CoV-2 might be improved.

Acknowledgments

The authors thank their patients for their permission to report on their cases.

References

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Footnotes

  • Twitter @gerardespinosa5

  • Contributors All authors contributed to one or more of the following aspects of the paper: conception, acquisition of data, drafting and revising the article.

  • 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 involved in the design, conduct, reporting or dissemination plans of this research. Refer to the Methods section for further details.

  • Patient consent for publication Obtained.

  • Provenance and peer review Not commissioned; internally peer reviewed.

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