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Journal of Investigative Dermatology ; 143(5 Supplement):S38, 2023.
Article in English | EMBASE | ID: covidwho-2294989

ABSTRACT

Vaccines based on recombinant mRNA technology helped to control the pandemic caused by the severe acute respiratory syndrome Coronavirus-2 (SARS-CoV-2). Clinical trials for showed that these vaccines are safe and effective and promote a strong type 1 driven T cell response. Yet, several reports claimed that SARS-CoV-2 mRNA vaccination might favor the onset, worsening or the reactivation of autoimmune disorders like pemphigus and bullous pemphigoid. However, no study demonstrated a direct immunological link between mRNA vaccination and disease appearance/worsening. We aimed to analyze the immunological and clinical effects exerted by mRNA booster vaccinations for SARS-CoV-2 in a cohort of patients with pemphigus (n=9), bullous pemphigoid (n=4) and in healthy individuals (n=5). Patients and healthy individuals were monitored at baseline, and after two and four weeks of mRNA vaccination. We assessed the clinical disease status, antibodies against the SARS-CoV-2 spike protein, antibody levels for BP180/230, DSG1/3 and tetanustoxoid. We also determined the distribution of peripheral T helper / T follicular cell subsets, intracellular cytokine production of T cells and cytokine serum levels. Our results show that booster vaccination increased anti spike protein IgG, while tetanustoxoid igC and skin-specific autoantibody titers were not or minimally affected. We observed an increase in Th1/Th17.1 cells, together with an increase in the intracellular production of IFN-gamma, IL-4 and IL-21 in peripheral T cells of pemphigus patients. Importantly, clinical activity in both remittent patients and in patients with active disease remained stable. In summary, vaccination with mRNA vaccines induced a specific activation of the humoral system with production of protective antibodies against the Sars-CoV-2 spike protein without affecting autoimmune disease activity in patients with pemphigus and bullous pemphigoid.Copyright © 2023

3.
J Eur Acad Dermatol Venereol ; 35(2): 281-317, 2021 Feb.
Article in English | MEDLINE | ID: covidwho-1066706

ABSTRACT

This evidence- and consensus-based guideline on the treatment of psoriasis vulgaris was developed following the EuroGuiDerm Guideline and Consensus Statement Development Manual. The second part of the guideline provides guidance for specific clinical and comorbid situations such as treating psoriasis vulgaris patient with concomitant psoriatic arthritis, concomitant inflammatory bowel disease, a history of malignancies or a history of depression or suicidal ideation. It further holds recommendations for concomitant diabetes, viral hepatitis, disease affecting the heart or the kidneys as well as concomitant neurological disease. Advice on how to screen for tuberculosis and recommendations on how to manage patients with a positive tuberculosis test result are given. It further covers treatment for pregnant women or patients with a wish for a child in the near future. Information on vaccination, immunogenicity and systemic treatment during the COVID-19 pandemic is also provided.


Subject(s)
Psoriasis/complications , Psoriasis/therapy , Humans , Psoriasis/psychology
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