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Factors related to omalizumab drug survival and treatment responses in chronic urticaria

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Hasal, Eda
SARICAOĞLU, HAYRİYE
Bülbül Başkan, Emel
Yazıcı, Serkan
Aydoğan, Kenan

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Karger

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Introduction: This study aimed to evaluate factors affecting drug survival and treatment response in patients with chronic urticaria treated with omalizumab in clinical practice. Methods: This study included 386 patients with chronic urticaria. Demographic characteristics, clinical features, laboratory parameters, and omalizumab treatment data were analyzed retrospectively. The 7-day urticaria activity score (UAS7) and urticaria control test (UCT) were used to assess disease severity and treatment responses. Results: Well-controlled disease (UAS7 <= 6) was achieved in 59.3% of patients at a median of 2 months. Complete response was significantly higher in patients treated with omalizumab for >= 12 months (p < 0.001). Family history of asthma (p = 0.01) was less frequent, and disease duration (p = 0.041) was shorter in patients with well-controlled disease. Total treatment duration was longer in patients with relapse (p < 0.001) and serum Helicobacter pylori IgA positivity (p = 0.029). Discussion/Conclusion: Treatment response is better in patients treated with omalizumab for >= 12 months. However, prolonged treatment does not prevent relapse. Our findings suggest that continuous or intermittent therapy is an appropriate alternative treatment option in patients with severe chronic urticaria; however, continuous therapy can be preferred to maintain the patient's quality of life.

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Real-life experiences, Helicobacter-pylori, Clinical-response, Ige levels, Efficacy, Therapy, Expression, Biomarkers, Safety, Chronic urticaria, Omalizumab, Real-life data, Predictors, Patient-reported outcomes, Science & technology, Life sciences & biomedicine, Allergy, Immunology

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