Biomarker in Tissue Samples From Patients With Ewing Sarcoma

The recruitment status of this study is unknown because the information has not been verified recently.
Verified June 2011 by National Cancer Institute (NCI).
Recruitment status was  Active, not recruiting
Information provided by:
National Cancer Institute (NCI) Identifier:
First received: June 1, 2011
Last updated: June 4, 2011
Last verified: June 2011

RATIONALE: Studying samples of tissue from patients with cancer in the laboratory may help doctors learn more about changes that occur in DNA and identify biomarkers related to cancer.

PURPOSE: This research trial studies biomarkers in tissue samples from patients with Ewing sarcoma.

Condition Intervention
Genetic: microarray analysis
Genetic: protein analysis
Other: immunohistochemistry staining method
Other: laboratory biomarker analysis

Study Type: Observational
Official Title: INI-1 Deletions in Ewing Sarcoma

Resource links provided by NLM:

Further study details as provided by National Cancer Institute (NCI):

Primary Outcome Measures:
  • Frequency of INI1 protein loss in Ewing Sarcoma [ Designated as safety issue: No ]

Estimated Enrollment: 40
Study Start Date: May 2011
Estimated Primary Completion Date: August 2011 (Final data collection date for primary outcome measure)
Detailed Description:


  • To determine the frequency of INI-1 protein loss in Ewing Sarcoma.

OUTLINE: Previously collected tissue samples are analyzed for INI-1 protein loss by IHC and tissue microarray.


Genders Eligible for Study:   Both
Accepts Healthy Volunteers:   No


  • Diagnosis of Ewing sarcoma
  • Prepared tissue microarray with Ewing sarcoma samples available


  • Not specified


  • Not specified
  Contacts and Locations
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Please refer to this study by its identifier: NCT01365949

Sponsors and Collaborators
Children's Oncology Group
Principal Investigator: Joshua D. Schiffman, MD University of Utah
  More Information

Additional Information:
No publications provided

Responsible Party: Gregory H. Reaman, Children's Oncology Group - Group Chair Office Identifier: NCT01365949     History of Changes
Other Study ID Numbers: CDR0000701010, COG-AEWS11B1
Study First Received: June 1, 2011
Last Updated: June 4, 2011
Health Authority: United States: Federal Government

Keywords provided by National Cancer Institute (NCI):
Ewing sarcoma/peripheral primitive neuroectodermal tumor (PNET)

Additional relevant MeSH terms:
Sarcoma, Ewing
Neoplasms by Histologic Type
Neoplasms, Bone Tissue
Neoplasms, Connective Tissue
Neoplasms, Connective and Soft Tissue
Osteosarcoma processed this record on April 23, 2015