The pilot study (Protocol #PA-01-052; Health Effects of CREON2000 in Asthmatic Children. IB ID# GI 1001) offered preliminary evidence that the CREON2000A system may be beneficial in asthma. This study is a follow-up, using children, aged 6 to 17 with mild to moderate persistent asthma, as the subjects of the study. Children are usually treated with fewer controller medications and have fewer confounding co-morbidities making it more likely to detect a therapeutic benefit from an environmental intervention. The study will involve 4 study site visits, 2 home visits, and 7 phone calls. Adjustment of asthma therapy by the site clinician will occur at baseline (Visit 1) and at each follow-up office visit after Visit 1 using a modified algorithm based on the National Asthma Education and Prevention Program Expert Panel Report 3 (NAEPP EPR3) guidelines. Enrollment will be over 18 months. The study duration for each subject will be 12 months.
