The primary objective of this web-based, cross-sectional study is to assess and compare the ability to sleep, work or go to school, and to participate in leisure activities among subjects who are receiving Xolair treatment and subjects who were eligible to receive Xolair, but instead have been using Advair for at least 1 year.
Study Type
OBSERVATIONAL
Enrollment
1,500
Ovation Research Group
San Francisco, California, United States
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