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Purpose: To evaluate the efficacy/safety of bilastine in pruritus relief in patients with chronic spontaneous urticaria (CSU) or other pruritic skin diseases. Methods: In this multicenter, open-label, exploratory study (EudraCT No.: 2016-001505-17), 115 adults with CSU (n = 34), eczema/dermatitis (n = 30), prurigo (n = 25) or cutaneous pruritus (n = 26), received bilastine 20 mg once daily for 8 weeks, or in non-responder patients (<30% improvement in pruritus score at week 2), 40 mg/day from week 2. Results: The mean change in weekly pruritus severity score from baseline to week 8 (primary endpoint) was reduced with bilastine (overall and by disease group); overall, percentage and absolute reductions were 71.16% and 1.63 points, respectively (p <.001). Updosed non-responders (n = 31) had improved weekly pruritus severity scores from baseline to week 8; percentage and absolute reductions were 49.08% and 1.13 points, respectively (p <.001). Bilastine improved the Dermatology Life Quality Index at weeks 4 and 8 (p <.001) in all disease groups, and the 7-day Urticaria Activity Score in CSU patients (p <.001). Bilastine was well tolerated. Conclusions: Bilastine relieved pruritus associated with urticaria and other skin diseases, with a very good safety profile. [ABSTRACT FROM AUTHOR]

Bilastine, a second-generation antihistamine, is approved in Europe for the treatment of allergic rhinoconjunctivitis and urticaria in adults and children aged ≥ 6 years. Pharmacokinetic data for children aged 6-11 years were extracted post hoc from a study in which children (2-11 years) with allergic rhinoconjunctivitis or urticaria received oral bilastine (10 mg/day). Maximum plasma concentration (Cmax) and area under the plasma concentration curve (AUC) data were compared with adult pharmacokinetic data from seven clinical studies (bilastine 20 mg/day). Safety data for children aged 6-11 years were extracted post hoc from a phase III randomized controlled trial of children (2-11 years) with allergic rhinoconjunctivitis or chronic urticaria receiving once-daily bilastine 10 mg or placebo for 12 weeks. Exposure and Cmax values were similar for children (6-11 years) and adults: median pediatric/adult ratios for AUC0-24 and Cmax were 0.93 and 0.91, respectively. There was no significant difference in the incidence of treatment-emergent adverse in children (6-11 years) receiving bilastine 10 mg or placebo.Conclusion: Pharmacokinetic and safety analyses in children aged 6-11 years support the suitability of the pediatric dose of bilastine 10 mg and confirm that the safety profiles of bilastine and placebo are similar.What is Known:• Bilastine, a second-generation antihistamine, is approved in Europe for the treatment of allergic rhinoconjunctivitis and urticaria in adults (20 mg/day) and children aged ≥ 6 years (10 mg/day).• An ontogenic model based on adult data and pharmacokinetic/pharmacodynamic simulations supported the selection of a bilastine dose of 10 mg/day in children aged 2-11 years. Bilastine 10 mg/day was shown to have a safety profile similar to that of placebo in a large phase III randomized clinical trial in children aged 2-11 years.What is New:• As bilastine is approved in Europe for children aged ≥6 years, the current study reports the results of two post hoc analyses of pharmacokinetic and safety data in children aged 6-11 years.• Analysis of pharmacokinetic and safety data in children aged 6-11 years supports the suitability of the pediatric dose of bilastine 10 mg and confirms that its safety profile is similar to that of placebo. [ABSTRACT FROM AUTHOR]