Stopped: Study closed prematurely.
This research trial studies phosphatidylinositol-4,5-bisphosphate 3-kinase, catalytic subunit alpha (PIK3CA) mutation analysis in tissue samples from older patients with stage I breast cancer. Studying samples of tissue from patients with stage I breast cancer in the laboratory may help doctors learn more about changes that occur in deoxyribonucleic acid (DNA) and identify biomarkers related to cancer.
Age range
70 Years
Sex
FEMALE
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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.
Breast cancer-free interval for patients with PIK3CA-mutated tumors
Timeframe: baseline
Tumor size
Timeframe: baseline
Estrogen receptor status
Timeframe: baseline
Lymph node status
Timeframe: baseline
Treatment group associated with PIK3CA expression
Timeframe: baseline