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Clinical Trial Summary

RATIONALE: Drugs used in chemotherapy use different ways to stop tumor cells from dividing so they stop growing or die. Radiation therapy uses high-energy x-rays to damage tumor cells. Combining radiation therapy with chemotherapy may kill more tumor cells.

PURPOSE: Phase II trial to study the effectiveness of etoposide plus radiation therapy followed by combination chemotherapy in treating children with newly diagnosed advanced medulloblastoma.


Clinical Trial Description

OBJECTIVES:

- Assess the response rate and toxicity of oral etoposide and radiotherapy in children with newly diagnosed high stage medulloblastoma.

- Compare the response rate and toxicity of these patients to historical control patients registered on POG #9031.

- Estimate the 2-year event-free survival and overall survival of these patients.

- Evaluate the toxicity of dose intensive chemotherapy with oral etoposide, cisplatin, cyclophosphamide, and vincristine following craniospinal irradiation in these patients.

OUTLINE: Patients begin treatment within 1 month of surgery. Patients receive 6 weeks of radiotherapy to the head and spine, with boosts to the posterior fossa and to sites of metastasis. Patients also receive 2 courses of oral etoposide once daily for 3 weeks concurrent with and immediately following radiotherapy (weeks 1-3 and 5-7).

Patients then receive adjuvant chemotherapy consisting of cisplatin IV once every 4 weeks for 3 courses beginning on week 11, oral etoposide daily for 21 days every 4 weeks for 3 courses (weeks 11, 15, and 19), cyclophosphamide IV on days 1 and 2 with filgrastim (G-CSF) SQ daily for at least 10 days every 4 weeks for 8 courses (weeks 23-51), and vincristine IV on days 1, 8, and 15 every 4 weeks for 8 courses (weeks 23-51).

Patients are followed every 3 months for 1 year, every 4 months for 1 year, every 6 months for 1 year, and annually thereafter.

PROJECTED ACCRUAL: A total of 48 patients will be accrued for this study within about 2 years. ;


Study Design

Allocation: Non-Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00003573
Study type Interventional
Source Children's Oncology Group
Contact
Status Completed
Phase Phase 2
Start date November 1998
Completion date March 2008

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