Breast Cancer
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: a) Age at 50-70 years, conforming to the criteria determining menopause in accordance with NCCN guideline b) Meeting hormone receptor-positive criteria. Pathologic analysis verifies to be invasive breast cancer while immunohistochemistry shows estrogen receptor (ER) and/or progesterone receptor (PR) positive (ER/PR) positive is defined that >1% of cells are positive c) Early breast cancer. It is defined as the disease confined to the breast with or without regional lymph node involvement, and absence of distant metastatic disease that is categorized as clinical stage I-IIIb and is treated by surgical resection. d) Patients receiving non-steroidal (letrozole or anastrozole) or steroidal (exemestane) aromatase inhibitors for 1 year who have abnormal serum LDL-C levels. - LDL-C level > 1.8 mmol/L in patients with atherosclerotic cardiovascular disease. - LDL-C level > 2.6 mmol/L in patients with diabetes, chronic kidney disease (stage 3 or 4) and hypertension. - LDL-C level > 3.4 mmol/L in patients with no other complications. e) An Eastern Cooperative Oncology Group (ECOG) score <=1. f) Provision of written informed consent.
Exclusion criteria
Exclusion criteria: a) History of liver and kidney damage or history of digestive ulcers; b) Patients who have received endocrine therapy for other diseases in the past; c) Allergy to AIs (i.e., anastrozole, letrozole or exemestane); d) Factors that have an obvious impact on oral drug absorption (e.g., dysphagia, chronic diarrhea, intestinal obstruction, etc.); e) Patients having a history of psychiatric illnesses; f) Patients who are unable to complete the expected trial due to other diseases.
Design outcomes
Secondary
| Measure | Time frame |
|---|---|
| blood lipid levels;5-year disease-free survival;5-year overall survival; | — |
Primary
| Measure | Time frame |
|---|---|
| 5-year relapse-free survival; | — |
Countries
China
Contacts
The First Hospital of China Medical University