The Efficacy and Safety of Pegylated Liposomal Doxorubicin Compared With Capecitabine as First Line Chemotherapy for Metastatic Breast Cancer (P04445/MK-2746-071)

pegylated liposomal doxorubicin (50 mg/m\^2 q 28 days) was administered intravenously until disease progression or unacceptable toxicity

capecitabine (1250 mg/m\^2 BID x 14 days q 21 days) in tablets of 150 mg and 500 mg was administered orally, until disease progression or unacceptable toxicity