Products The inhaled human insulin Exubera (Pfizer, powder inhalation) is no longer commercially available. It was withdrawn from the market in 2007 for commercial reasons. In 2014, a new product was approved in the United States; see Inhalable Insulin. Structure and properties Human insulin (C257H383N65O77S6, Mr = 5808 g/mol) is a polypeptide with the structure … Exubera
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 Pfizer’s first inhalable insulin Exubera was withdrawn from the market in 2007 for commercial reasons; see Exubera.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
Why is the distribution of medicines discontinued? Drugs are subject to a product life cycle. They are discovered, patented, developed, approved, marketed and, in some circumstances, withdrawn from the market years to decades later. Often, distribution is discontinued due to commercial considerations. For example, the cost of approval and production exceeds the revenue from sales. … Market Withdrawal of Drugs
