Personalized Antiemetic Regimen According to Patients' Pharmacogenetic Profile

Inclusion Criteria: * Chinese patient, female \>/=18 and \< 75 years of age. * Patient is diagnosed with early breast cancer. * Patient is naïve to emetogenic chemotherapy moderately or highly emetogenicity. * Patient is scheduled to receive her first course of neoadjuvant/adjuvant chemotherapy for breast cancer follows: AC: Intravenous (IV) Adriamycin 60 mg/m\^2 + Cyclophosphamide 600 mg/m\^2, given as 14-day cycle or 21-day cycle, or FEC: IV Fluorouracil 500 mg/m\^2 + Epirubicin 50 mg/m\^2 + Cyclophosphamide 500 mg/m\^2, given as 21-day cycle * Patient has a predicted life expectancy of 4 months. * Patient has ECOG (Eastern Cooperative Oncology Group) Performance Status of 0-1. * Premenopausal female patients must not be pregnant (documented negative urine pregnancy test). * Patient is able to read, understand and complete study questionnaires and diary, including questions requiring a visual analog scale (VAS) response. * Patient understands the procedures and agrees to participate in the study by giving written informed consent. Exclusion Criteria: * Patient with advanced breast cancer. * Patient receiving cisplatin or any other chemotherapy of higher emetogenic potential, except for cyclophosphamide and doxorubicin in the regimens described above. * Patients who are scheduled to receive concurrent radiation as part of their chemotherapy regimen for their malignancy * Patients who experience any vomiting or grade 2-3 nausea per Common Terminology Criteria for Adverse E…