A COG Study for Collecting and Banking Ewing Sarcoma Specimens


Rochester, Minn.

Trial status:

Open for Enrollment

Why is this study being done?

OBJECTIVES: I. Collect biological specimens, including associated demographic and clinical data, from patients with Ewing sarcoma. II. Provide a repository for long-term storage of Ewing sarcoma-related biological materials. III. Make collected specimens available to qualified researchers to understand the biology of Ewing sarcoma and correlate these results with demographic and clinical data. OUTLINE: This is a multicenter study. Patients undergo collection of tumor specimens, bone marrow, and peripheral blood at diagnosis. Associated demographic and clinical data are collected and archived. Patients who are not enrolled on a therapeutic clinical trial are followed annually.

Who is eligible to participate?

Inclusion Criteria: - Diagnosis of Ewing sarcoma, including peripheral primitive neuroectodermal tumor and Askin tumor - Newly diagnosed or recurrent disease

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