“Abstract We have demonstrated … in vitro addition of vincristine to human platelets: 1) inhibits aggregation induced by arachidonic acid, epinephrine , collagen, thrombin and ADP; 2) inhibits arachidonic acid conversion to thromboxane A 2 ; and 3) inhibits generation of thromboxane A 2 upon stimulation by mechanical agitation, collagen, or thrombin.”