Non-invasive Measures of Distal Lung Disease in Asthmatics

Non-Invasive Measures of Distal Lung Disease in Asthmatics Before and After Therapy Directed at the Proximal vs. Distal Lung

This is a Phase 4, single center study conducted in mild-to moderate asthmatics.

The study consists of 3 phases. There are 7 study visits.

Inclusion Criteria:

• 18-65 years old
• Currently using SABA prn or a low-to-moderate persistent asthma

Exclusion Criteria:

• Tobacco use within 1 year or >= 5 pack years