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J Clin Med ; 12(7)2023 Apr 01.
Article in English | MEDLINE | ID: mdl-37048721

ABSTRACT

Biomarkers that are able to predict the response to omalizumab (OMA) in chronic spontaneous urticaria (CSU) are highly valued. The aim of our study was to evaluate the UAS7 (urticaria activity score assessed for 7 days), DLQI (dermatology life quality index), SII (systemic immune-inflammation index), SIRI (systemic inflammation response index), PLR (platelet/lymphocyte ratio) and NLR (neutrophil/lymphocyte ratio) in a group of 46 CSU a patients treated for 24 weeks with OMA (300 mg every 4 weeks). There were no statistically significant differences observed at the start nor at the end of the treatment between the two groups (responders vs. non-responders) and SII, SIRI, PLR and NLR. However, a statistically significant correlation was observed between severity of urticaria expressed in UAS7 scores and the quality of life (evaluated by DLQI). Furthermore, at week 24, both groups demonstrated significant improvement in quality of life. Our single center study did not confirm the usefulness of SII, SIRI, NLR or PLR as predictors of the response to OMA in CSU. However, it is of importance that even patients who did not respond to the treatment presented a significant improvement in quality of life. Additionally, we also observed that the efficacy of treatment was unchanged amongst patients who underwent a second series of treatment in cases of relapse.

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