MannKind Corporation is a biopharmaceutical company that focuses on the development and commercialization of therapeutic products for patients with diseases such as diabetes. Its lead product is AFREZZA, a rapid-acting, inhaled insulin used to control high blood sugar in adults with type 1 and type 2 diabetes. MannKind Corporation has license and collaboration agreement with Sanofi-Aventis Deutschland GmbH for the development of AFREZZA. The company was founded in 1991 and is headquartered in Valencia, California.