Antithrombotic activity of the phosphodiesterase III inhibitor pelrinone in a canine model of coronary artery thrombosis: enhancement of efficacy with concurrent alpha 2-adrenergic antagonism.
1991
The purpose of this study was to determine if idazoxan, an α 2 -adrenergic antagonist, could enhance the antithrombotic activity of pelrinone, a PDE III inhibitor, in a canine model of coronary thrombosis that uses electrical current to injure the coronary endothelium. Thrombus mass in vehicle-treated animals was 37.9±8 mg. Pelrinone, 0.625 and 2.5 mg/kg decreased thrombus size by 46 and 21%, respectively, while idazoxan, 0.75 mg/kg decreased thrombus mass by 43%
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