Severe asthma: lessons from the severe asthma research program

SE Wenzel, WW Busse - Journal of allergy and clinical immunology, 2007 - Elsevier
Severe asthma affects only a small percentage of the asthma population. However, these
patients remain poorly understood and difficult to treat. Because the numbers are relatively
small (10% or less of the asthma population), a network approach with shared protocols,
samples, and data provides a unique opportunity to recruit the numbers of subjects
necessary to perform adequately powered studies. The Severe Asthma Network (Severe
Asthma Research Program) was established by the National Heart, Lung, and Blood …