Fludarabine and Rituximab With or Without Pixantrone in Treating Patients With Relapsed or Refractory Indolent Non-Hodgkin Lymphoma
A Randomized Phase III Trial Comparing the Combination of Fludarabine, BBR 2778 (Pixantrone) and Rituximab (FP-R) With the Combination of Fludarabine and Rituximab (F-R) in the Treatment of Patients With Relapsed or Refractory Indolent Non-Hodgkin's Lymphoma