NK1- receptor antagonists (e.g., aprepitant or any other new drug of this class); 5-HT3 receptor antagonists (e.g., ondansetron, granisetron, dolasetron, tropisetron, ramosetron); Benzamides (e.g., metoclopramide, alizapride); Phenothiazines (e.g., prochlorperazine, promethazine, perphenazine, fluphenazine, chlorpromazine, thiethylperazine); Benzodiazepines initiated 48 h prior to study drug administration or expected to be received within 120 h following initiation of chemotherapy, except for single doses of midazolam, temazepam or triazolam; Butyrophenones (e.g., droperidol, haloperidol); Anticholinergics (e.g., scopolamine, with the exception of inhaled anticholinergics for respiratory disorders e.g., ipratropium bromide); Antihistamines (e.g., diphenhydramine, cyclizine, hydroxyzine, chlorpheniramine, dimenhydrinate, meclizine); Domperidone; Mirtazapine; Olanzapine; Prescribed cannabinoids (e.g., tetrahydrocannabinol, nabilone); Over the Counter (OTC) antiemetics, OTC cold or OTC allergy medications; Herbal preparations containing ephedra or ginger.