Newly diagnosed histologically or cytologically confirmed operable invasive breast cancer defined as cT1 or T2, N0-1, and M0.
Disease must be ER+ and HER2-.
Ki67 score/proliferative index ≤ 30% or low to intermediate mitotic index
Measurable disease defined as lesions that can be accurately measured in at least one dimension (longest diameter to be recorded) by ultrasound or mammogram.
70 years of age or older.
ECOG performance status ≤ 3
Able to understand and willing to sign an IRB approved written informed consent document (or that of legally authorized representative, if applicable).
You may not be if
Prior surgery for this cancer
A history of other malignancy ≤ 5 years previous which would preclude endocrine treatment of their cancer.
Currently receiving any other investigational agents.
A history of allergic reactions attributed to compounds of similar chemical or biologic composition to any of the agents used in the study.
Uncontrolled intercurrent illness as determined by their treating physician which would limit compliance with study requirements.
Known HIV-positivity on combination antiretroviral therapy because of the potential for pharmacokinetic interactions with endocrine therapies. Appropriate studies will be undertaken in patients receiving combination antiretroviral therapy when indicated.
Clareo Health | Endocrine Treatment Alone for Elderly Patients With Estrogen Receptor Positive Operable Breast Cancer and Low Recurrence Score