Mayo Clinic
This study is being done to create a resource of samples and information that can be used to improve our understanding of the development, progression and treatment of recurrent or metastatic breast cancer or male breast cancer.
PRIMARY OBJECTIVE: I. To collect blood samples and fresh tissue from biopsies of metastatic lesions from Mayo Clinic patients with metastatic breast cancer. OUTLINE: This is an observational study. Patients undergo blood sample collection, provide clinical residual tissue samples and have their medical records reviewed on study.
Inclusion Criteria: * Female participants must have histologically or cytologically confirmed invasive breast cancer. * Male participants must have biopsy proven breast cancer. * Age must be \>= 18 years, and all must be able to understand and willing to sign an informed consent document. Exclusion Criteria: * Dementia, altered mental status, or any psychiatric condition that would prohibit the understanding or rendering of informed consent; a history of serious or life-threatening allergic reaction to local anesthetics (i.e. lidocaine, xylocaine). * Any other condition, which in the opinio…
Non-interventional study
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