A chemical genus of biphenyl heterocycle derivative inhibitors of LTA4H (leukotriene A4 hydrolase) of the formula: is disclosed. In these compounds Q and Z are (CH2)1-10; in which one or two (CH2) may optionally be replaced by —O—, —NR1—, —SO—, —S(O)2—, —C(═O)— or —C═O(NH)—; Het is a 5-7 membered non-aromatic nitrogen heterocycle; and W is acyl, hydroxyl, carboxyl, amino, carboxamido, aminoacyl, —COOalkyl, —CHO, heterocyclyl, substituted aryl, or substituted heterocyclyl, or taken together ZW can be H or —COOalkyl. The compounds are useful for the treatment and prevention and prophylaxis of inflammatory diseases and disorders.