Saves the questions and what to expect into your notes, next to the visit they belong to.
Keep this study
Lead
Xinhong Wu, PhD
Age
18–any
Sex
FEMALE
Healthy volunteers
Not accepted
You may be eligible if
1\. Age ≥18 years old.
2\. Premenopausal and postmenopausal women or men with stage II-III disease (multifocal and/or multifocal early invasive breast cancer) if all tumors on histopathological examination meet the pathological criteria for ER and/or PR \> 10% and HER2- (HER2 expression of 0 or 1+ or 2+ and negative FISH test).
3.Patients had to have histologically confirmed ER and (or PR\>10%, HER2 -, early-stage invasive disease.
4.Intolerance or insensitivity to neoadjuvant chemotherapy: 2 cycles of neoadjuvant chemotherapy, PD/SD according to tumor evaluation, old age, and basic diseases can not tolerate chemotherapy.
5\. ECOG PS score 0-2.
6\. Patients must be able and willing to swallow and retain oral medications.
7\. In premenopausal women, a serum or urine pregnancy test had to be negative within 14 days of enrollment or in women who had been amenorrhea for less than 12 months at enrollment.