Abstract
AimThe aim of the study was to investigate data from patients suffering from chronic spontaneous urticaria refractory to conventional therapy, and to document outcomes of omalizumab use.Material and methodsWe conducted a single-centre retrospective study with 175 chronic spontaneous urticaria patients who were treated with 300 mg omalizumab subcutaneously every 4 weeks for at least 6 months. Efficacy, factors affecting outcome, and complications were examined.ResultsThe complete response rate was 70.9%. Minor complications were observed in 12% of our patients. Anaphylaxis occurred in 1 patient as a major complication. We did not notice any clinical or laboratory factors predicting response to omalizumab treatment.ConclusionsThe findings show that omalizumab is effective and safe for the treatment of chronic spontaneous urticaria with a dosing of 300 mg/month subcutaneously. However, due to 1 case of anaphylaxis in this small group, we must still remind practitioners to be alert for this possible complication.
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