Veliflapon is an orally active and selective inhibitor of 5-lipoxygenase activating protein (FLAP). Veliflapon inhibits the synthesis of the leukotrienes B4 and C4.
Amelubant (BIIL 284) is a prodrug of active metabolites BIIL 260 and BIIL 315 and exhibits anti-inflammatory activity. It is a potent, oral, long-acting LTB4 receptor antagonist with negligible binding to the receptor, displaying Kis of 221 nM and 230 nM.
Hinokiresinol is a novel inhibitor of LTB4 binding to the human neutrophils, it has antiallergic effect, it inhibits IgE-induced mouse passive cutaneous anaphylaxis reaction. Hinokiresinol (trans-hinokiresinol) and nyasol (cis-hinokiresinol) are estrogen
Fiboflapon sodium (GSK2190915) is an orally bioavailable 5-lipoxygenase-activating protein (FLAP) inhibitor with a potency of 2.9 nM in FLAP binding, an IC50 of 76 nM for inhibition of LTB4 in human blood.