Atryn

Atryn, trade name of recombinant human antithrombin, an anticoagulant agent used to prevent thrombosis—the formation of a clot in a blood vessel that may block or impede the flow of blood, causing a potentially life-threatening condition. Atryn was developed by U.S.-based GTC Biotherapeutics and was the first therapeutic agent produced by using transgenic animals (animals whose genomes have been altered by the addition of a gene from another species) to gain approval for use in...