Chronic Urticaria in the Real-Life Clinical Practice Setting in Portugal: Baseline Results from the Non-Interventional Multicentre AWARE Study

Ana Célia Costa, Isabel Rosmaninho, Arminda Guilherme, José Ferreira, Joana Antunes, Ana Pina, Sara Prates, João Gaspar Marques, Filomena Azevedo, Ana Paula Cunha, Celeste Brito, António Massa, João Teles de Sousa, Glória Cunha Velho, Inês Raposo, Gabriela Marques Pinto, Virgínia Sousa, Ana Rodrigues Martins

Abstract


Introduction: There is a paucity of information regarding chronic urticaria patients’ care in a real-world setting. The objective of this study was to report and evaluate the baseline characteristics of Portuguese chronic urticaria patients refractory to H1-antihistamines included in the AWARE study.

Material and Methods: This is a non-interventional cohort study. Adult patients with a diagnosis of chronic urticaria with symptoms for at least two months, refractory to H1-antihistamines, consulting one of the 10 participating urticaria centers throughout Portugal have been included in the study. Baseline sociodemographic data, medical history, clinical parameters, medication, weekly urticaria activity score, and dermatology quality of life index have been collected.

Results: Seventy six patients were included, of which 76.3% were women. The majority of patients had a diagnosis of chronic spontaneous urticaria (88.2%) and 39.5% had angioedema. Around 91.0% of patients were medicated with non-sedative H1-antihistamines and 35.4% with a third line therapy. Median dermatology quality of life index was 5.0 and median weekly urticaria activity score was 13.0.

Discussion: The baseline results suggest that patients with chronic urticaria refractory to H1-antihistamines are being under-treated in the real-world setting.

Conclusion: The AWARE study demonstrates the real impact of chronic urticaria on Portuguese patients refractory to H1-antihistamines treatment, and 30% report a very large or extremely large deleterious effect on their quality of life. The follow-up of these patients will allow evaluating strategies aimed at optimizing disease control.


Keywords


Chronic Disease; Cost of Illness; Health Resources; Portugal; Quality of Life; Urticaria

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