# Eptifibatide (Integrilin) > GP IIb/IIIa inhibitor cyclic peptide for ACS and PCI. Source: https://peptides.cafe/peptide/eptifibatide Category: Antiplatelet · Cardiology Tag: FDA-Approved · Cardiology ## Mechanism Cyclic heptapeptide derived from rattlesnake venom that reversibly blocks platelet glycoprotein IIb/IIIa receptors, preventing fibrinogen binding and platelet aggregation. ## Research areas - Acute coronary syndromes - PCI ## Common research protocols - ACS/PCI: 180 mcg/kg IV bolus + 2 mcg/kg/min infusion. ## Study summaries - "PURSUIT trial" — NEJM (1998): Reduced death/MI in non-ST-elevation ACS. ## Considerations - FDA-approved. - Bleeding risk; renal 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.