Irinotecan, Temozolomide and Bevacizumab in Combination With Existing High Dose Alkylator Based Chemotherapy for Treatment of Newly Diagnosed Patients With Desmoplastic Small Round Cell Tumor

Two cycles of the investigational combination irinotecan, temozolomide and bevacizumab- will be given followed by conventional chemotherapy with a modified P6 approach and surgical local control. Completion of modified P6 chemotherapy will be followed by a second-look surgery.