A total of 270 Chinese mild to moderate Asthma patients will be enrolled and 230 will be completed in this multi-center, randomized, single blind, parallel efficacy and safety comparison study of budesonide HFA MDI 200 mcg 2 puffs BID versus budesonide DPI (Turbuhaler) 100 mcg 4 puffs BID.
The primary objective of this study is to compare the efficacy and safety of budesonide HFA MDI 200 mcg 2 puffs BID versus budesonide DPI (Turbuhaler) 100 mcg 4 puffs BID in Chinese mild to moderate Asthma patients.