Treating asthma

Abstract

# Clinical efficacy and safety of generic inhalers is well established {#article-title-2} EDITOR,—Mike Pearson and colleagues advance the thesis that generic inhalers are therapeutically inequivalent and that this may not be “safe or desirable for patients.”1 In support of their case they cite one in vitro study,2 and they claim that five studies have shown biological inequivalence, though they cite only two of these. The first, from Finland, relates to a product made and sold in Finland but not in …