RESEARCH TRIANGLE PARK, N.C.--(BUSINESS WIRE)--Talecris Biotherapeutics, Inc. (Nasdaq: TLCR) announced today that it was granted orphan drug designation by the U.S. Food and Drug Administration (FDA) for the development of an aerosol formulation of Alpha1-Proteinase Inhibitor (Human, A1PI) to treat congenital alpha1-antitrypsin (AAT) deficiency. AAT deficiency is a chronic, hereditary condition that increases the risk of certain diseases, especially emphysema, which typically emerges in the fourth decade of life. Currently, there are no approved, inhaled treatments available for the treatment of AAT deficiency.