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About
RATIONALE: Studying samples of tumor tissue and blood from patients with cancer in the laboratory may help doctors learn more about changes that occur in DNA and identify biomarkers related to cancer. It may also help doctors predict how patients will respond to treatment.
PURPOSE: This research study is looking at tumor and blood samples from postmenopausal women with primary breast cancer enrolled on clinical trial CAN-NCIC-MA27.
Full description
OBJECTIVES:
Primary
OUTLINE: This is a multicenter study.
DNA from tumor tissue and blood specimens that have been previously collected from patients are analyzed for single nucleotide polymorphisms.
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Inclusion and exclusion criteria
DISEASE CHARACTERISTICS:
Histologically or cytologically confirmed invasive breast cancer
Enrolled in clinical trial CAN-NCIC-MA27.
No locally recurrent or metastatic breast cancer
Hormone receptor status:
PATIENT CHARACTERISTICS:
Postmenopausal status, defined as one of the following:
PRIOR CONCURRENT THERAPY:
364 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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