UrinaryLTE4 excretion in Western European subjects. Median (plus interquartile range) of LTE4 excretion in urine as a percentage of the pre‐dose value in (A) the single dose study following placebo () or 50 mg (), 150 mg (), 300 mg (), 600 mg () or 1000 mg () GSK2190915. Median (plus interquartile range) of LTE4 excretion in urine as a percentage of the pre‐dose value on (B) day 1 or (C) day 11 following multiple dose administration of placebo () or 10 mg (), 50 mg, (), 150 mg () or 450 mg () GSK2190915.