# Bivalirudin (Angiomax) > Direct thrombin inhibitor peptide for PCI anticoagulation. Source: https://peptides.cafe/peptide/bivalirudin Category: Anticoagulant · Cardiology Tag: FDA-Approved · Cardiology ## Mechanism Synthetic 20-amino-acid peptide that reversibly and directly inhibits thrombin (both circulating and fibrin-bound). Used for anticoagulation during percutaneous coronary intervention. ## Research areas - PCI anticoagulation - Heparin-induced thrombocytopenia ## Common research protocols - PCI: 0.75 mg/kg IV bolus + 1.75 mg/kg/h infusion during procedure. ## Study summaries - "HORIZONS-AMI trial" — NEJM (2008): Reduced bleeding vs heparin + GP IIb/IIIa in primary PCI. ## Considerations - FDA-approved. - Renal dose adjustment required. ## Disclaimer Educational content only. Not medical advice, diagnosis, or treatment. Most research peptides are not FDA-approved for human therapeutic use. Consult a licensed clinician before any use.