Trial Parameters
Brief Summary
Prospective, multi-country, non-interventional study in patients with CSU where the treatment decision prior enrolment has been made to either escalate current sgH1-AHs treatment or escalate/switch current treatment to remibrutinib. The primary aim of this study is to gather real-world effectiveness and safety data for remibrutinib, a new treatment option, covering a broader, real-world clinical practice population.
Eligibility Criteria
Inclusion Criteria: * Patients with a confirmed diagnosis of primary CSU by the treating physician. * Aged at least 18 years on the date of enrolment. * Written informed consent of the patient to participate in the study (according to country specifications) and willingness to complete full follow-up period of 24 months. * Cohort-specific observational inclusion criteria: * Cohort 1: Inadequate control of CSU despite licensed dose of sgH1-AH (no other pre-treatments permitted) and decision (independent of study enrolment) to escalate sgH1-AH treatment. * Cohort 2: Inadequate control of CSU despite licensed dose or escalated sgH1-AH(s) (no other pre-treatment with exception of first generation H1-AH permitted) with decision (independent of study enrolment) to switch to remibrutinib treatment as per local label. * Cohort 3: Any other treatment received in addition to H1-AH, any time during patients' CSU treatment history, with decision (independent of study enrolment) to switch to remibr