Bivalirudin is a specific and reversible bivalent direct thrombin inhibitor. Bivalirudin specifically binds to both the catalytic site and to the anion-binding exosite of circulating and clot-bound thrombin.
Bivalirudin trifluoroacetate salt is a synthetic peptide composed of 20 amino acids. It serves as an anticoagulant for patients with unstable angina undergoing coronary angioplasty.