In a randomised, double-blind study in a total of 866 patients (864 females, 2 males) receiving chemotherapy that included cyclophosphamide 750-1500 mg/ m2; or cyclophosphamide 500- 1500 mg/ m2 and doxorubicin (< 60 mg/ m2) or epirubicin (< 100 mg/ m2), aprepitant in combination with an ondansetron/ dexamethasone regimen (see section 4.2) was compared with standard therapy (placebo plus ondansetron 8 mg orally (twice on Day 1, and every 12 hours on Days 2 and 3) plus dexamethasone 20 mg orally on Day 1).