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Clinical Trial Summary

RATIONALE: Specialized radiation therapy that delivers radiation directly to the area where a tumor was surgically removed may kill any remaining tumor cells and cause less damage to normal tissue. PURPOSE: This phase II trial is studying how well proton beam radiation therapy works in treating young patients who have undergone biopsy or surgery for medulloblastoma or pineoblastoma.


Clinical Trial Description

OBJECTIVES: - Determine the 3-year incidence and severity of ototoxicity in young patients with medulloblastoma or pineoblastoma treated with adjuvant proton beam craniospinal and posterior fossa radiotherapy. - Determine the incidence of primary hypothyroidism and other endocrine dysfunction (neuroendocrine and end organ) in patients treated with this regimen. - Determine the incidence and severity of neurocognitive abnormalities in patients treated with this regimen. - Determine the acute side effects of this regimen, including esophagitis, upper and lower gastrointestinal tract disease, and weight loss, in these patients. - Determine the 3-year progression-free survival rate of patients treated with this regimen. OUTLINE: Patients are stratified according to risk (standard vs high). Patients receive proton beam craniospinal and posterior fossa radiotherapy once daily 5 days a week for 6-8 weeks*. NOTE: *Unless otherwise specified by a co-existing protocol. Patients undergo neurocognitive evaluation at baseline or within 3 months after completion of radiotherapy and then at 1, 3, and 5 years. Patients also undergo endocrine evaluation at baseline and then annually for 5 years; and audiology evaluation at baseline, before each course of cisplatin-based chemotherapy (if receiving this), and then annually for 5 years. After completion of study treatment, patients are followed every 3-6 months for 2-5 years. PROJECTED ACCRUAL: A total of 60 patients will be accrued for this study. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT00105560
Study type Interventional
Source Massachusetts General Hospital
Contact
Status Completed
Phase N/A
Start date May 2002
Completion date December 2020

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