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Safety and efficacy of only 2 weeks of ticlopidine therapy in patients at increased risk of coronary stent thrombosis: Results from the Antiplatelet Therapy alone versus Lovenox plus Antiplatelet therapy in patients at increased risk of Stent Thrombosis (ATLAST) trial
Safety and efficacy of only 2 weeks of ticlopidine therapy in patients at increased risk of coronary stent thrombosis: Results from the Antiplatelet Therapy alone versus Lovenox plus Antiplatelet therapy in patients at increased risk of Stent Thrombosis (ATLAST) trial AMERICAN HEART JOURNAL Berger, P. B., Mahaffey, K. W., Meier, S. J., Buller, C. E., Batchelor, W., Fry, E. T., Zidar, J. P. 2002; 143 (5): 841-846Abstract
Controversy exists regarding the frequency of late stent thrombosis among patients treated with intracoronary stents and the most appropriate duration of treatment with a thienopyridine that is required to prevent this complication.We analyzed the frequency of stent thrombosis and other ischemic events in the Antiplatelet Therapy alone versus Lovenox plus Antiplatelet therapy in patients at increased risk of Stent Thrombosis (ATLAST) trial. In the ATLAST trial, 1102 patients at increased risk of stent thrombosis (ST-elevation myocardial infarction within 48 hours, diffuse distal disease, a large amount of thrombus, acute closure, residual dissection, etc) were randomly assigned to receive either enoxaparin (40 or 60 mg given every 12 hours for 14 days) or placebo; all patients received aspirin (325 mg daily) and ticlopidine (250 mg twice daily) for only 14 days.The primary end point, the 30-day combined incidence of death, nonfatal myocardial infarction, and urgent revascularization, was reached in 2.3% of patients (1.8% of patients taking enoxaparin vs 2.7% of patients taking placebo; P =.295). However, during the 15th through 30th days, the frequency of ischemic events was only 0.73%, and only 0.27% (3/1102) of patients had possible stent thrombosis (95% CI 0.06, 0.77).The frequency of stent thrombosis and other adverse ischemic events in the 15th through 30th days after stent placement in even high-risk stent patients treated with ticlopidine for only 2 weeks is low whether or not enoxaparin is administered.
View details for DOI 10.1067/mhj.2002.121929
View details for Web of Science ID 000176063800015
View details for PubMedID 12040346