This research study is looking at tissue samples from women with breast cancer who were treated on clinical trial NCCTG-N9831. 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. It may also help doctors predict how patients will respond to treatment.
Age range
18 Years
Sex
FEMALE
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.
Levels of primary breast tumor protein expression of MYC, IGF-1R, and PTEN assessed using standard immunohistochemical (IHC) procedures
Timeframe: Baseline
Levels of primary breast tumor amplification status of MYC and TOP2A assessed using standard fluorescence in situ hybridization (FISH) assays
Timeframe: Baseline
Levels of primary breast tumor mutation status of PIK3 assessed using molecular digestion followed by HPLC separation
Timeframe: Baseline