Sites of the inhibitory action of antiallergic drugs (azelastine, oxatomide, tranilast, repirinast and amlexanox) on human neutrophils were investigated by measuring leukotriene B4 formation, arachidonic acid release and superoxide generation. Results obtained in this study were as follows: (i) Formations of leukotriene B4 by neutrophils activated with a calcium ionophore (A23187) were effectiv...
