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RATIONALE: Monoclonal antibodies, such as monoclonal antibody 3F8, can locate tumor cells and either kill them or deliver tumor-killing substances to them without harming normal cells. Colony-stimulating factors, such as sargramostim, may increase the number of immune cells found in bone marrow or peripheral blood. Combining monoclonal antibody 3F8 with sargramostim may cause a stronger immune response and kill more tumor cells.
PURPOSE: Phase II trial to study the effectiveness of combining monoclonal antibody 3F8 with sargramostim in treating patients who have neuroblastoma.
Full description
OBJECTIVES:
OUTLINE: This is an open-label study. Patients are stratified according to evaluable disease (yes [primary refractory bone marrow disease] vs no [no evidence of disease]).
Patients receive sargramostim (GM-CSF) subcutaneously on days -5 to 4 and monoclonal antibody 3F8 IV over 0.5-1.5 hours on days 0-4. Treatment repeats every 3 weeks for 4 courses and then every 8 weeks for up to a total of 24 months in the absence of disease progression or unacceptable toxicity.
Beginning after 2 courses of GM-CSF and monoclonal antibody 3F8, patients also receive oral isotretinoin twice daily on days 1-14 (when no monoclonal antibody 3F8 is administered). Treatment with isotretinoin repeats approximately every 28 days for 6 courses.
PROJECTED ACCRUAL: A total of 340 patients will be accrued for this study.
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Inclusion and exclusion criteria
DISEASE CHARACTERISTICS:
Diagnosis of neuroblastoma by histopathology OR bone marrow metastases and high urine catecholamine levels
Disease must meet risk-related treatment guidelines and any of the following International Neuroblastoma Staging System stages:
No evidence of disease (i.e., in complete response/remission or very good partial response/remission) OR disease resistant to standard therapy (i.e., incomplete response in bone marrow)
No progressive disease or MIBG-avid soft tissue tumor
PATIENT CHARACTERISTICS:
PRIOR CONCURRENT THERAPY:
Primary purpose
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Interventional model
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291 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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