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Real-life treatment of patients with cholinergic urticaria in German-speaking countries
Emilia Mellerowicz1, Karsten Weller1, Torsten Zuberbier1
1Department of Dermatology and Allergy, Charité - Universitätsmedizin Berlin, Berlin, Germany.
Background:
Cholinergic urticaria (CholU) is a frequent type of chronic inducible urticaria. Symptomatic treatment with second-generation antihistamines (sgAH) is recommended by current guidelines as first-line therapy, but little is known about how patients with CholU are treated in real life and how they respond to treatment.
Aim:
To assess real-life treatment of CholU in German-speaking countries.
Methods:
Patients with CholU (n = 111) took part in an online survey study that assessed their treatments and their treatment responses.
Results:
Virtually all patients (97 %) had used antihistamines, 87 % of them sgAH; 23 % had also taken first-generation antihistamines (fgAH). The proportion of patients who benefited from standard-dosed antihistamine treatment was low (sgAH: 32 % vs. fgAH: 16 %), and side effects of sgAH and fgAH were comparable. Updosing of antihistamines had been tried by 66 patients (59 %) (most commonly [98 %, n = 65] with sgAH) and resulted in marginally better responses (sgAH: 38 % vs. fgAH: 32 %). Only very few patients had used other treatments, mostly corticosteroids (30 %) and omalizumab (5 %).
Conclusions:
SgAH were commonly used, but insufficient in about two thirds of CholU patients. Accordingly, improved use of third-line and fourth-line treatment options and development of better therapies for patients with CholU are needed.
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