Patients in each arm also continue receiving their scheduled antiemetic regimen comprising a 5-hydroxytryptamine type-3 (5-HT3) receptor antagonist (ondansetron, granisetron, tropisetron, and dolasetron mesylate) and dexamethasone (DM) (or the equivalent dose of IV methylprednisolone (MePRDL)) on day 1 of courses 2 and 3.