Conditions: Leukemia Lymphoma
Keywords: stage 0 chronic lymphocytic leukemia stage I chronic lymphocytic leukemia stage II chronic lymphocytic leukemia stage III chronic lymphocytic leukemia stage IV chronic lymphocytic leukemia small lymphocytic lymphoma stage I small lymphocytic lymphoma stage III small lymphocytic lymphoma stage IV small lymphocytic lymphoma B-cell chronic lymphocytic leukemia splenic marginal zone lymphoma extranodal marginal zone B-cell lymphoma of mucosa-associated lymphoid tissue nodal marginal zone B-cell lymphoma stage I grade 1 follicular lymphoma stage I grade 2 follicular lymphoma stage III grade 1 follicular lymphoma stage III grade 2 follicular lymphoma stage IV grade 1 follicular lymphoma stage IV grade 2 follicular lymphoma stage I mantle cell lymphoma stage III mantle cell lymphoma stage IV mantle cell lymphoma Waldenstrom macroglobulinemia prolymphocytic leukemia stage I marginal zone lymphoma contiguous stage II adult diffuse small cleaved cell lymphoma contiguous stage II grade 1 follicular lymphoma contiguous stage II grade 2 follicular lymphoma contiguous stage II mantle cell lymphoma contiguous stage II marginal zone lymphoma contiguous stage II small lymphocytic lymphoma noncontiguous stage II adult diffuse small cleaved cell lymphoma noncontiguous stage II grade 1 follicular lymphoma noncontiguous stage II grade 2 follicular lymphoma noncontiguous stage II mantle cell lymphoma noncontiguous stage II marginal zone lymphoma noncontiguous stage II small lymphocytic lymphoma stage III marginal zone lymphoma recurrent grade 1 follicular lymphoma recurrent grade 2 follicular lymphoma recurrent mantle cell lymphoma recurrent marginal zone lymphoma recurrent small lymphocytic lymphoma refractory chronic lymphocytic leukemia stage IV marginal zone lymphoma
Allocation: NA | Intervention model: SINGLE_GROUP
Enrollment: 94
Healthy volunteers: no

Brief summary:
RATIONALE: Monoclonal antibodies, such as rituximab, can block cancer growth in different ways. Some block the ability of cancer cells to grow and spread. Others find cancer cells and help kill them or carry cancer-killing substances to them. Drugs used in chemotherapy, such as cyclophosphamide, work in different ways to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. Colony-stimulating factors, such as pegfilgrastim, may increase the number of immune cells found in bone marrow or peripheral blood and may help the immune system recover from the side effects of chemotherapy. Giving rituximab and cyclophosphamide together with pegfilgrastim may be effective in treating leukemia or non-Hodgkin's lymphoma.

PURPOSE: This phase II trial is studying how well giving rituximab and cyclophosphamide together with pegfilgrastim works in treating patients with B-cell leukemia, low-grade non-Hodgkin's lymphoma, or mantle cell lymphoma.

Detailed description:
OBJECTIVES:

* Determine the safety of high-dose cyclophosphamide, rituximab, and pegfilgrastim in patients with B-cell leukemia or low-grade or mantle cell lymphoma.
* Determine the molecular response rate in patients treated with this regimen.

OUTLINE: This is an open-label study.

Patients receive rituximab IV over 30-60 minutes on days 1, 4, 8,11, 45, and 52, cyclophosphamide IV over 1 hour on days 15-18, and pegfilgrastim subcutaneously on day 19 or 20 in the absence of unacceptable toxicity.

After completion of study treatment, patients are followed periodically.

PROJECTED ACCRUAL: A total of 32 patients will be accrued for this study.

Arms:
arm 1: Rituximab (R) and high-dose cyclophosphamide (HiCy) with pegfilgrastim support.

Interventions: intervention 1: Pegfilgrastim intervention 2: Rituximab intervention 3: Cyclophosphamide
Intervention descriptions: intervention 1: 6 mg SQ 24-48 hours after last dose of cyclophosphamide. intervention 2: 375 mg/m\^2/day on Days 1, 4, 8, 11, 45, and 52. intervention 3: 50 mg/kg/day on Days 15, 16, 17, and 18.

Protocol document: