- Use of a medication with anti-neutrophil or anti-inflammatory effect or those known to have an effect on inflammatory outcomes [azithromycin, gentamicin, amikacin, colistin, ibuprofen, celecoxib, or other NSAIDs, prednisone or other corticosteroids(systemic or inhaled), such as Advair, cromolyn (Intal®), montelukast (Singulair®), zafirlukast (Accolate®), zileuton (Zyflo®), and any immunosuppressive agent within the 4 weeks prior to Visit #1, Day 1 and until their participation in the study ends (after Visit 6). See NOTE at end of exclusionary criteria for subjects on oral antibiotic therapy.