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NCT Number: NCT00072358

Monoclonal Antibody 3F8 and Sargramostim in Treating Patients With Neuroblastoma

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.

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Key information

About this study

OBJECTIVES:

  • Determine the efficacy of sargramostim (GM-CSF) in enhancing monoclonal antibody 3F8-mediated ablation in patients with high-risk neuroblastoma.
  • Determine the prognostic impact of minimal residual bone marrow disease on relapse-free survival of patients treated with this regimen.
  • Compare the effects of short-term (2-hour intravenous) vs prolonged (subcutaneous release) daily GM-CSF on granulocyte activation, in order to establish the optimal route for tumor-cell kill in these patients.

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.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

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:
  • Stage 4 with (any age) OR without (> 18 months of age of age) MYCN amplification
  • MYCN-amplified other than stage 1
  • 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:

  • No existing renal, cardiac, hepatic, neurologic, pulmonary, or gastrointestinal toxicity ≥ grade 3
  • No human anti-mouse antibody (HAMA) titer greater than 1,000 Elisa units/mL
  • No history of allergy to mouse proteins
  • No active life-threatening infection
  • Not pregnant
  • Negative pregnancy test

PRIOR CONCURRENT THERAPY:

  • Not specified

Treatment and study plan

anti-GD2 murine IgG3 monoclonal antibody 3F8

Biological

The total dosage of 3F8 per cycle is the same as in prior trials (100 mg/m2), administered at 20 mg/m2/day and infused over ~1.5 hr or less (0.5 hr is customary), with analgesics and antihistamines used as needed for expected side-effects. 3F8 is started ~1 hr after completion of GM-CSF administration. GM-CSF is dosed at 250 mcg/m2/day from day -5 to day +1 (Wednesday to Tuesday is customary) , and is 500 mcg/m2/day thereafter (i.e., on days +2 to +4; Wednesday to Friday), as in the predecessor protocol.18,74 Patients come off study if progressive disease occurs or if there is life-threatening grade 4 toxicity from 3F8; otherwise, patients will receive a minimum of 4 cycles of treatment and will continue treatment through 24 months. It is expected that patients will receive ~10 cycles.

Other names: patients (enrolled on study for treatment of primary refractory disease), the, break between end of a cycle of 3F8/GM-CSF and start of next cycle is 2-to-4-weeks through 4, cycles after achievement of CR in BM; subsequent breaks are ~8 weeks. In this, group, isotretinoin is started after documentation of response to, and after, >2 cycles of, 3F8/GM-CSF.

Primary outcomes

  1. Efficacy at Completion of Treatment

    Time frame: 3 years

  2. Relapse-free Survival Every 3 Months

    Time frame: 3 years

Secondary outcomes

  1. Compare Granulocyte Activation in Patients Treated With Short-term vs Prolonged Daily Exposure to Sargramostim (GM-CSF) After 4 Courses

    Time frame: 3 years

  2. Simplify Treatment With Consequent Reduction in Cost

    Time frame: 3 years

Sponsors and collaborators

Lead sponsor

Memorial Sloan Kettering Cancer Center

Other

Collaborators

  • National Cancer Institute (NCI)

Registry information

Official study title

Phase II Study of Anti-GD2 3F8 Antibody and GM-CSF for High-Risk Neuroblastoma

Important dates

Study start
2003
Primary completion
2021
Study completion
2021
First posted
Nov 6, 2003
Registry last updated
May 16, 2022

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

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This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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