NCT00899990
Collecting and Storing Biological Samples From Patients With Ewing Sarcoma
COMPLETED
NCT00899990
OBSERVATIONAL
A COG Study for Collecting and Banking Ewing Sarcoma Specimens
This research study is collecting and storing samples of tumor tissue, bone marrow, and blood from patients with Ewing sarcoma. Collecting and storing samples of tumor tissue, bone marrow, and blood from patients with cancer to test in the laboratory may help the study of cancer in the future.
Inclusion Criteria:
* Diagnosis of Ewing sarcoma, including peripheral primitive neuroectodermal tumor and Askin tumor
* Newly diagnosed or recurrent disease
Askin Tumor
Localized Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor
Metastatic Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor
Recurrent Ewing Sarcoma/Peripheral Primitive Neuroectodermal Tumor
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- Type: OTHER
- Name: Laboratory Biomarker Analysis
- Description: Correlative studies
- Arm Group Labels: Observational (biomarker sampling)
- Children's Oncology Group