Autoimmune Diseases Are Linked to Type IIb Autoimmune Chronic Spontaneous Urticaria

Purpose Patients with chronic spontaneous urticaria (CSU) have an increased risk for comorbid autoimmune diseases. In this retrospective multicenter study of CSU patients, we evaluated clinical and laboratory features of CSU associated with a higher risk of comorbid autoimmune diseases. Methods We a...

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Veröffentlicht in:Allergy, asthma & immunology research 2021, Asthma & Immunology Research, 13(4), , pp.545-559
Hauptverfasser: Kolkhir, Pavel, Altrichter, Sabine, Asero, Riccardo, Daschner, Alvaro, Ferrer, Marta, Giménez-Arnau, Ana, Hawro, Tomasz, Jakob, Thilo, Kinaciyan, Tamar, Kromminga, Arno, Konstantinou, George N, Makris, Michael, Metz, Martin, Skov, Per Stahl, Staubach, Petra, Sussman, Gordon, Zhang, Ke, Maurer, Marcus
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Sprache:eng
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Zusammenfassung:Purpose Patients with chronic spontaneous urticaria (CSU) have an increased risk for comorbid autoimmune diseases. In this retrospective multicenter study of CSU patients, we evaluated clinical and laboratory features of CSU associated with a higher risk of comorbid autoimmune diseases. Methods We analyzed records of CSU patients (n = 1,199) for a history or presence of autoimmune diseases. Patients were diagnosed with type IIb autoimmune CSU (aiCSU) if all 3 tests were positive: autologous serum skin test (ASST), basophil histamine release assay (BHRA) and/or basophil activation test (BAT), and IgG autoantibodies against FcεRIα/IgE detected by immunoassay. Results Twenty-eight percent of CSU patients had at least 1 autoimmune disease. The most prevalent autoimmune diseases were Hashimoto's thyroiditis (HT) (≥ 21%) and vitiligo (2%). Two percent of CSU patients had ≥ 2 autoimmune diseases, most frequently HT plus vitiligo. Comorbid autoimmune diseases, in patients with CSU, were associated with female sex, a family history of autoimmune diseases, and higher rates of hypothyroidism and hyperthyroidism (P < 0.001). Presence of autoimmune diseases was linked to aiCSU (P = 0.02). The risks of having autoimmune diseases were 1.7, 2.9 and 3.3 times higher for CSU patients with a positive ASST, BHRA and BAT, respectively. In CSU patients, markers for autoimmune diseases, antinuclear antibodies and/or IgG anti-thyroid antibodies were associated with non-response to omalizumab treatment (P = 0.013). Conclusions In CSU, autoimmune diseases are common and linked to type IIb autoimmune CSU. Our results suggest that physicians assess and monitor all adult patients with CSU for signs and symptoms of common autoimmune diseases, especially HT and vitiligo.
ISSN:2092-7355
2092-7363
DOI:10.4168/aair.2021.13.4.545