AEWS07B1, A COG Study for Collecting and Banking Ewing Sarcoma Specimens
To collect tissue, bone marrow and peripheral blood samples of patients with Ewing sarcoma for immediate use to analyze biological factors and to deposit in a tissue bank. Samples will be collected at the time of initial diagnosis, during treatment, at the time of surgical procedure, at the completion of therapy and at relapse/progression. These samples will be obtained when other samples are obtained for standard care. These samples can be used for approved projects by laboratory-based investigators. The number of subjects to be enrolled on this study is unlimited.
All patients with either newly diagnosed or recurrent Ewing sarcoma (including peripheral PNET and Askin tumor). Patients between the ages of 0 – 21 years. All patients and/or their parents or legal guardians must sign a written informed consent. All institutional, FDA, and NCI requirements for human studies must be met.