N.P.M. Rubini, L.F.C. Ensina, Edina Mariko Koga da Silva, F. Sano, D. Solé
Introduction Chronic spontaneous urticaria (CSU) affects approximately 1% of the population, affecting both children and adults. Omalizumab (Oma) is a therapeutic option for patients with refractory forms of CSU.
Objectives To determine the effectiveness and safety of Oma in the treatment of CSU.
Methods Systematic review (Cochrane Collaboration methodology) of randomized clinical trials comparing Oma to placebo in refractory CSU treatment. The search is based on MEDLINE; EMBASE, Central Cochrane Library, and LILACS. The outcomes evaluated were: control of the illness, adverse events, and quality of life.
Results Of the 848 identified studies 13 were selected for further review and six were included in the meta-analysis. For all outcomes, high-quality evidence has confirmed that Oma is effective in the treatment of CSU. The dosage of 300mg/month achieved better results; namely a significant reduction in pruritus, papules, and urticaria activity, as well as an increase in the number of patients with a controlled condition, improvement in the quality of life and no differences in adverse events compared to the placebo.
Conclusions High-quality evidence demonstrates that Oma is effective and safe in the treatment of CSU refractory to therapy with H1 antihistamines.
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