A Study of Xolair to Evaluate Effectiveness and Long-Term Safety in Patients With Moderate to Severe Asthma
This study is a multicenter, prospective, observational cohort study of ~5000 Xolair-treated and ~2500 non-Xolair-treated patients with moderate to severe persistent asthma and a positive skin test or in vitro reactivity to an aeroallergen.
|Study Design:||Observational Model: Cohort
Time Perspective: Prospective
|Official Title:||An Epidemiologic Study of Xolair (Omalizumab): Evaluating Clinical Effectiveness and Long-Term Safety in Patients With Moderate to Severe Asthma (EXCELS)|