PMID: 1190914Sep 1, 1975Paper

Effects of suprofen, an inhibitor of prostaglandin biosynthesis, on platelet function, plasma coagulation and fibrinolysis II. In vivo experiments.

Archives Internationales De Pharmacodynamie Et De Thérapie
F de ClerckR Reneman

Abstract

Suprofen, an inhibitor of prostaglandin biosynthesis, was found to affect certain aspects of platelet function after in vivo administration in various species. In guinea-pigs, platelet aggregation induced by collagen and Thrombofax, and secondary A.D.P. aggregation were reduced in a dose-dependent way by suprofen (single oral administration) from 0.08 mg/kg on. In dogs, the effect of a single oral dose of 2.5 mg/kg of suprofen on collagen-induced aggregation started 30 min after administration, lasted for at least 8 h and had disappeared after 24 h. Plasma coagulation parameters were not affected by the compound in this species. In rats, suprofen prolonged tail bleeding times, but did not modify fibrinolysis, platelet adhesion to glass beads or plasma coagulation. Sub-chronic administration of comparatively high doses of the compound resulted in potentiation of the anti-coagulant effect of warfarin in this species.

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