PMID: 8972000Dec 1, 1996Paper

Procoagulant properties of intravenous staphylokinase versus tissue-type plasminogen activator

Thrombosis and Haemostasis
K OkadaD Collen

Abstract

The fibrin-specificity and procoagulant effects of recombinant staphylokinase (Sak42D) were compared with those of recombinant tissue-type plasminogen activator (rt-PA) in patients with acute myocardial infarction. Plasma samples were obtained at baseline and at 25 and 90 min, from 24 patients who were randomly assigned to a double bolus (15 mg each, 30 min apart) administration of Sak42D or to accelerated weight-adjusted rt-PA (maximum of 100 mg over 90 min). Baseline levels of fibrinopeptide A (FPA), prothrombin fragment 1 + 2 and thrombin-antithrombin III complex (TAT) were comparable in the Sak42D and rt-PA groups (p > or = 0.6). In patients treated with Sak42D, plasma levels of FPA, prothrombin fragment 1 + 2 and TAT did not markedly increase during treatment (p = 0.06, p = 0.4 and p = 0.03, respectively). In contrast, during administration of rt-PA the levels of FPA, prothrombin fragment 1 + 2 and TAT increased significantly over baseline (p = 0.003, p < 0.0001 and p = 0.001, respectively). As a result, the levels of all three procoagulant parameters were significantly lower during treatment with Sak42D as compared to rt-PA. Thus, FPA levels in the Sak42D group (median values) were 40 ng/ml at 25 min and 11 ng/ml at 90 mi...Continue Reading

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