MannKind Corporation focuses on the discovery, development, and commercialization of therapeutic products for patients with diseases such as diabetes. The Company's lead product candidate, Afrezza, is in late-stage clinical investigation for the treatment of adults with type 1 or type 2 diabetes for the control of hyperglycemia. Afrezza is a rapid-acting inhaled insulin therapy indicated to improve glycemic control in adults with diabetes. Taken at the start of a meal using a specially designed inhaler, Afrezza dissolves rapidly upon inhalation to the deep lung and delivers insulin quickly to the bloodstream.