This single-arm study was designed to evaluate the efficacy and safety of oral Xeloda plus intravenous Avastin as first-line treatment in women with metastatic breast cancer. Patients received Xeloda 1000 mg/m² orally (PO) twice daily (BID) on Days 1-15, and Avastin 15 mg intravenously (IV) on Day 1 of each 3-week cycle. The anticipated time on study treatment was until disease progression or unacceptable toxicity. The target sample size was <100 individuals.