Journal
CURRENT ALLERGY AND ASTHMA REPORTS
Volume 18, Issue 5, Pages -Publisher
CURRENT MEDICINE GROUP
DOI: 10.1007/s11882-018-0787-5
Keywords
Chronic inducible urticaria; Chronic spontaneous urticaria; Omalizumab; Pregnancy; Adverse events; Dosing intervals
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Purpose of Review Since omalizumab has been approved for urticaria, numerous randomized and real-life observational trials have been published. We reviewed the period January 2017 February 2018. Recent Findings Omalizumab is effective for the control of urticaria recalcitrant to antihistamines in different populations globally. The ratio of total serum IgE 4-week/baseline >= 2 can predict response with a high likelihood. In observational real-life trials, doses have been adjusted on an individual basis: in some populations, up to two-thirds of the patients can be controlled with 150 mg/ month; however, others are still not controlled with 300 mg/month. In these, 150 mg bimonthly could be tried, before up-dosing to 450 mg/month. On the long run (up to 3 years) omalizumab kept its efficacy. In many patients, dosing intervals could he augmented (6-8 weeks, some even more). After a 12-month treatment, about 20% showed long-term remission without relapse. Summary Some biomarkers are being detected. Adjusting omalizumab doses in urticaria patients could enhance efficacy (shortening dosing interval and/or augmenting dose) and save costs (after 12 months: extending dosing interval and/or reducing dose).
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