The efficacy of combination antiemetic therapy with Olanzapine, Palonosetron and dexamethasone for the prevention of nausea and vomiting in patients receiving Moderately Emetogenic Chemotherapy

Interventions: Palonosetron, dexamethasone, olanzapine Palonosetron, dexamethasone Primary outcome(s): Complete response rate for the overall phase(0-120 hours), defined as no emetic episodes and no use of rescue medication Study Design: Cross-over Randomized