Inhalable Insulin
Products An inhalable insulin preparation containing a rapid-acting human insulin was approved in the United States in 2014 (Afrezza, powder inhalation). The drug has not yet been registered in many countries. Pfizer’s first inhalable insulin Exubera was withdrawn from the market in 2007 for commercial reasons; see Exubera. Structure and properties Human insulin (C257H383N65O77S6, Mr … Inhalable Insulin
