Patients receive cixutumumab intravenously (IV) over 1 hour on days 1, 8, and 15 and doxorubicin hydrochloride IV continuously over 44-52 hours beginning on day 1. Treatment repeats every 21 days for up to 6 courses in the absence of disease progression or unacceptable toxicity. Patients with stable or responding disease may continue to receive cixutumumab in the absence of disease progression or unacceptable toxicity.