Traditional Chinese Medicine as Preventive Method for Osteoporosis Induced by Adjuvant Endocrine Therapy (COAT)
Breast Cancer, Osteoporosis
About this trial
This is an interventional prevention trial for Breast Cancer focused on measuring Chinese Traditional Medicine, Osteoporosis, adjuvant endocrine therapy, early breast cancer
Eligibility Criteria
Inclusion Criteria:
- Histologically confirmed invasive breast cancer;
- Post-surgery, primary lesion been removed;
- Post-Menopausal patients or pre-menopausal patients who will receive ovarian function suppression;
- Histologically confirmed ER and/or PR positive ;
- Receiving adjuvant AIs therapy in the following one years;
- Leukocyte ≥ 3*10(9)/L; Platelets ≥ 75*10(9)/L;
- Serum glutamate oxaloacetate(AST/SGOT) or serum glutamic-pyruvic transaminase(ALT/SGPT) <2.5 times of upper limit of normal range;
- Serum creatinine/blood urea nitrogen(BUN) ≤ upper limit of normal (UNL) range;
- Written informed consent according to the local ethics committee equirements;
Exclusion Criteria:
- Metastatic Breast Cancer;
- Received Neo-Adjuvant Endocrine Therapy;
- History of pelvic fracture or bone metabolic disease;
- Received drugs interfering bone metabolism in the last 12 months;
- Baseline Bone Mineral Density: T < -2SD;
- With other primary malignant disease;
- With severe non-malignant co-morbidity that will influence long-term follow up;
- Known severe hypersensitivity to any drugs in this study;
Sites / Locations
- Ruijin Hospital
Arms of the Study
Arm 1
Arm 2
Arm 3
Placebo Comparator
Active Comparator
Active Comparator
Letrozole
Letrozole + Xinglinggubao
Letrozole + Zhongyaofufang
Early Breast Cancer patients receiving adjuvant endocrine therapy Adjuvant Endocrine Therapy: letrozole 2.5 mg qd po.
Early Breast Cancer patients receiving adjuvant endocrine therapy plus Xianlinggubao Adjuvant Endocrine Therapy: letrozole 2.5 mg qd po. Xinglinggubao: 0.5g bid po
Early Breast Cancer patients receiving adjuvant endocrine therapyplus Zhongyaofufang (Traditional Chinses Medicine) Adjuvant Endocrine Therapy: letrozole 2.5 mg qd po. Zhongyaofufang: qow po