Document Detail

A randomized comparison of clopidogrel and aspirin versus ticlopidine and aspirin after the placement of coronary-artery stents.
MedLine Citation:
PMID:  10673248     Owner:  NLM     Status:  MEDLINE    
BACKGROUND: The introduction of an effective antiplatelet therapy with aspirin and ticlopidine after the placement of coronary-artery stents has decreased the risk of thrombotic stent occlusions (TSO) and hemorrhagic complications. However, the use of ticlopidine is limited by hematological and gastrointestinal adverse effects. The safety and efficacy of clopidogrel after stenting remains to be established. METHODS AND RESULTS: After successful coronary stenting during elective or emergency percutaneous transluminal coronary angioplasty, 700 patients with 899 lesions were randomly assigned to receive a 4-week course of either 500 mg ticlopidine (n=345) or 75 mg clopidogrel (n=355), in addition to 100 mg aspirin. All the following clinical events reflecting TSO were included in the prespecified primary cardiac endpoint: cardiac death, urgent target vessel revascularization, angiographically documented TSO, or nonfatal myocardial infarction within 30 days. The primary noncardiac endpoint was defined as noncardiac death, stroke, severe peripheral vascular or hemorrhagic events, or any adverse event resulting in discontinuation of study medication. Cardiac events occurred in 17 patients [11 (3.1%) with clopidogrel and 6 (1.7%) with ticlopidine (P=0.24)]. The primary noncardiac endpoint was observed in 16 patients (4.5%) assigned to receive clopidogrel versus 33 patients (9.6%) assigned to receive ticlopidine (P=0.01). CONCLUSIONS: After the placement of coronary-artery stents in unselected patients, antiplatelet therapy with aspirin and clopidogrel seems to be comparably safe and effective as aspirin and ticlopidine. Noncardiac events were significantly reduced with clopidogrel.
C Müller; H J Büttner; J Petersen; H Roskamm
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  Circulation     Volume:  101     ISSN:  1524-4539     ISO Abbreviation:  Circulation     Publication Date:  2000 Feb 
Date Detail:
Created Date:  2000-03-06     Completed Date:  2000-03-06     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0147763     Medline TA:  Circulation     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  590-3     Citation Subset:  AIM; IM    
Herz-Zentrum, Bad Krozingen, Germany.
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MeSH Terms
Aspirin / administration & dosage*
Coronary Thrombosis / prevention & control*
Coronary Vessels / surgery*
Drug Therapy, Combination
Middle Aged
Platelet Aggregation Inhibitors / administration & dosage*
Postoperative Complications / prevention & control
Ticlopidine / administration & dosage*,  analogs & derivatives*
Treatment Outcome
Reg. No./Substance:
0/Platelet Aggregation Inhibitors; 50-78-2/Aspirin; 55142-85-3/Ticlopidine; 90055-48-4/clopidogrel

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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