Based on early trials, the advised antiplatelet regimen for drug-eluting stents was a combination of aspirin and clopidogrel for 3 months when Cypher stents were used, and 9 months when Taxus stents were used, followed by aspirin indefinitely.
Based on preliminary studies, the recommended antiplatelet protocol for drug-eluting stents involved a combination of aspirin and clopidogrel for an initial period of 3-9 months depending on the type of stent used, followed by ongoing aspirin therapy.