Data collection
nausea, vomiting
During days 1 to 5 after chemotherapy administration, patients recorded the following items in their symptom diary every 24 h: the number of emetic episodes and time of first vomiting; severity of nausea using a Likert scale (0, no nausea; 1, mild nausea; 2, moderate nausea; 3, severe nausea); number of rescue medications and time of the first administration. Patients were also asked to record in their diary whether or not they had usual food intake each day on days 1 to 5. In the screening phase, patient’s weight, height, and BMI [weight (kg)/height (m