NCT00003937 2014-08-05Combination Chemotherapy Plus Dexrazoxane in Treating Patients With Newly Diagnosed Nonmetastatic OsteosarcomaChildren's Oncology GroupPhase 3 Completed253 enrolled
NCT00334867 2013-06-28Combination Chemotherapy With or Without Topotecan in Treating Patients With Newly Diagnosed Localized Ewing's SarcomaChildren's Oncology GroupPhase 3 Withdrawn