Omalizumab is recommended for patients with moderate to severe chronic idiopathic urticaria (CIU) unresponsive to nonsedating H1 antihistamines. It is used long-term for CIU, but evidence beyond 24 weeks is limited.
This drug utilization study and systematic review aimed to determine real-world omalizumab use patterns in patients with CIU in 4 Canadian provinces, the efficacy and effectiveness of long-term use, and whether extended use is safe for patients.
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Date Released: April 4, 2024