Extending Omalizumab Treatment Intervals in Patients With Chronic Spontaneous Urticaria

"Continue standard treatment with omalizumab 300 mg every four weeks from week 12 to week 36.~Both arms are treated with omalizumab 300 mg from week 0 to week 12."

"Treatment in an extended interval of omalizumab 300 mg every six weeks from week 12 to week 36.~Both arms are treated with omalizumab 300 mg from week 0 to week 12."