Foropafant (SR27417) highly potent, competitive, selective and orally active antagonist of platelet-activating factor (PAF) receptor, with a Ki value of 57 pM for [3H]PAF binding, at least 5-fold lower than that of unlabeled PAF itself. Foropafant potently inhibits PAF-induced aggregation of rabbit and human platelets[1]. Ki: 57 pM ([3H]PAF binding)[1]
[1]. Herbert JM, et al. Biochemical and pharmacological activities of SR 27417, a highly potent, long-acting platelet-activating factor receptor antagonist. J Pharmacol Exp Ther. 1991 Oct;259(1):44-51.
















