OUTLINE: This is a randomized, open-label, multicenter study. Patients are stratified according to gender, ECOG performance status (0 vs 1 vs 2), lactate dehydrogenase (less than 1.5 times upper limit of normal (ULN) vs 1.5 times ULN or greater), and country. Patients are randomized to 1 of 2 treatment arms.