Results of Pediatric Oncology Group Protocol 8104 for Infants with Stages D and DS Neuroblastoma

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Abstract

Purpose

We determined the complete response and survival rates for infants with disseminated (state D) neuroblastoma that followed therapy identical to that for regional disease. In those infants whose disease excluded cortical bone metastases (state DS), we determined complete response rates achieved either spontaneously or with stage D therapy.

Patients and Methods

Eight-eight patients with metastatic disease received induction chemotherapy followed by a second operation, the results of which determined additional therapy. Twenty-five patients were observed after diagnosis, without chemotherapy, until a second operation.

Results

The complete response (CR) rates for patients with stage D discase after induction chemotherapy and postinduction surgery were 26% and 52%, respectively, and for immediately treated patients with stage DS disease 69% and 77%, respectively. Fifty-four percent of initially observed patients with stage DS disease achieved CR after a second operation; 44% were never treated beyond these two operations. Five-year actuarial survival rates for patients with stage D and for all those with stage DS disease were 60% (SE = 6%) and 90% (SE = 5%), respectively.

Conclusions

Improved survival rates for patients with stage D disease were achieved on this protocol but remained considerably lower than those for infants with less extensive disease. Rates of survival for patients with stage DS disease were achieved with therapy less aggressive than in published series.

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