Spots Global Cancer Trial Database for Radiation Therapy in Treating Patients Who Have Undergone Surgery for Newly Diagnosed Grade II or Grade III Meningioma

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Trial Identification

Brief Title: Radiation Therapy in Treating Patients Who Have Undergone Surgery for Newly Diagnosed Grade II or Grade III Meningioma

Official Title: Adjuvant Postoperative High-Dose Radiotherapy for Atypical and Malignant Meningioma: a Phase-II and Observation Study

Study ID: NCT00626730

Conditions

Brain and Central Nervous System Tumors

Interventions

adjuvant therapy

radiation therapy

Study Description

Brief Summary: RATIONALE: Radiation therapy uses high-energy x-rays to kill tumor cells. Giving high-dose radiation therapy after surgery may kill any tumor cells that remain after surgery. PURPOSE: This phase II trial is studying radiation therapy to see how well it works in treating patients who have undergone surgery for newly diagnosed grade II or grade III meningioma.

Detailed Description: OBJECTIVES: Primary * To assess the impact of high-dose radiotherapy (RT) on progression-free survival (PFS), treatment tolerance, and post-treatment global cognitive functioning in patients with atypical (WHO grade II) or malignant ( WHO grade III) meningioma. OUTLINE: Patients with grade II disease are stratified according to resection status (complete excision \[Simpson's stages 1-3\] vs incomplete excision \[Simpson's stages 4-5\]) and participate in a phase II study. These patients are assigned to 1 of 2 treatment groups according to Simpson staging. Only data from these patients is analyzed with respect to the progression-free survival endpoint. Patients with grade III disease are treated in group 1 or 2 according to Simpson staging (as patients with grade II disease). After treatment, the clinical results from these patients are observed and described. * Group 1 (Simpson stage 1-3): Beginning no later than 6 weeks following surgery, patients undergo radiotherapy once daily, 5 days a week for 6 weeks. * Group 2 (Simpson stage 4-5): Beginning no later than 6 weeks following surgery, patients undergo radiotherapy once daily, 5 days a week for 7 weeks. Patients complete a Mini-Mental Status Exam at baseline and at 6 weeks and 6 months after completion of study. After completion of study treatment, patients are followed at 6 weeks, at 6 and 12 months, and then annually for at least 3 years.