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Clinical Trial Summary

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

PURPOSE: This research study is studying biomarkers in tissue samples from patients with acute promyelocytic leukemia.


Clinical Trial Description

OBJECTIVES:

- Demonstrate that S100A10 is expressed on APL cells and that levels of S100A10 correspond to the amount of fibrinolytic activity.

- Evaluate the impact of ATRA on S100A10 level and fibrinolytic activity in vitro.

- Evaluate the impact of S100A10 knockdown on fibrinolytic activity.

- Correlate in vitro findings in cell culture to primary patient samples both pre- and post-ATRA therapy.

OUTLINE: This is a multicenter study.

Previously collected samples are analyzed via flow cytometry and western blot analysis. Cell surface levels of S100A10 and annexin A2 are correlated to the promyelocyte population and total protein levels are examined to determine total annexin A2 and S100A10 in acute promyelocytic leukemia cells. ;


Study Design

Observational Model: Cohort, Time Perspective: Prospective


Related Conditions & MeSH terms


NCT number NCT01232855
Study type Observational
Source Children's Oncology Group
Contact
Status Completed
Phase N/A
Start date November 2010
Completion date February 2011

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