Patients aged @ years and older with metastatic soft-tissue sarcomas , an Eastern Cooperative Oncology Group performance status of @-@ , and who had previously received treatment with anthracycline and ifosfamide were randomly assigned ( @:@ ) to intravenous infusion of ombrabulin @ mg/m ( @ ) plus cisplatin @ mg/m ( @ ) or intravenous infusion of placebo plus cisplatin @ mg/m ( @ ) every @ weeks .