A Phase II Study of 131I-rituximab for Elderly or Poor Performance Status Patients With Diffuse Large B Cell Lymphoma (DLBCL) or for Adult Patients With Relapsed or Refractory DLBCL

Study start date: June 1, 2012

Inclusion Criteria: Histologically confirmed diffuse large B cell lymphoma Elderly (>65 years) or medically ineligible to standard cytotoxic chemotherapy due to poor performance status, or relapsed or refractory patients Eastern Cooperative Oncology Group performance status ≤ 2, age≥ 20 years Relapsed or refractory after autologous hematopoietic stem cell transplantation (auto-HSCT) in young patients with good performance status and indicated to high dose chemotherapy and auto-HSCT More than one measurable lesion More than 2cm sized lesion in conventional CT scan, More than 1cm sized lesion in spiral CT or contrast-enhanced PET/CT Adequate renal function (serum creatinine ≤ 2.0 mg/dl or Ccr ≥ 60 ml/min) Adequate hepatic function (serum bilirubin ≤ 2.0 mg/dl , AST/ALT ≤ 3 upper normal limit) Adequate bone marrow reservoir (ANC ≥1,500/㎕, platelet count≥ 75,000/㎕) patient who agree the purpose and intention of this clinical trial Exclusion Criteria: recent (<5 years) history of other malignancy or unrecovered from the disease (appropriately treated skin cancer and uterine cervix carcinoma in situ are excluded) hemodynamically unstable due to the recent (<12 months) history of severe heart disease such as myocardial infarction acute complications of severe lung or metabolic disease Combined severe neurological or psychiatric disease Unrecovered from infection or other medical disease Recent (<30 days) history of enrollment of other clinical trial Pregnant or breast-feeding woman women of childbearing potential and men not employing adequate contraception at least for 1 year Previous history drug allergy to the content of 131I-rituximab Infection(sepsis, pneumonia, viral infection, etc) (inactivated hepatitis B carrier can be enrolled) Young patient with good performance status indicated to autologous hematopoietic stem cell transplantation irrespective of the failure of 1st line chemotherapy