Omalizumab therapy in patients with EGPA

ReferenceStudy designNumber of patientsDose and route of administrationResults
Giavina-Bianchi et al. [66], 2007Case report1300 mg SC every 2 weeksImprovement of asthma
Blood eosinophil reduction
Pabst et al. [67], 2008Case report2Doses adjusted to weight and IgE levelsBlood eosinophil count normalization
Immunosuppressive treatment was stopped
Lau et al. [68], 2011Case report1Doses adjusted to weight and IgE levelsExacerbation when CS was tapered
No clinical or radiological improvement
Jachiet et al. [71], 2016Retrospective multicentre study17Doses adjusted to weight and IgE levelsMild efficacy for treating asthma, ear, nose, and throat (ENT) symptoms
CS reduction
BVAS improvement
Blood eosinophil count did not decrease
EGPA flares, possibly due to the reduction in the CS dose
Caruso et al. [70], 2018Case report1450 mg SC every 2 weeksLung function improvement
ACT and quality of life questionnaire improvement
Blood eosinophil counts reduction
CS reduction
Celebi Sozener et al. [72], 2018Retrospective chart review18Doses adjusted to weight and IgE levels10 Patients responded completely
CS reduction
Exacerbation reduction
forced expiratory volume in the first second (FEV1) improvement
No decrease in blood eosinophil count