Clinical Drug Experience Knowledgebase

Criteria

Inclusion Criteria:

Aged ≥ 18 years, Post-menopausal women
Newly diagnosed and operable unilateral invasive breast cancer, not candidate or uncertain for breast conservation - Note: Multicentric/multifocal tumors are allowed provided a maximum of 3 lesions are present, and all share the same characteristics: ER Allred 4, Her2- (PAM50 will be performed in the largest lesion)
Stage II-IIIA
Assessment of nodal status available (Ultrasound guided FNA or biopsy if necessary)
Non metastatic, M0
ER-positive by IHC (Allred Score≥4)
HER2-negative by IHC (score 0 or 1+) and/or Fish/Cish
Either Luminal A AND proven nodal involvement (cytology or histology), or Luminal B through PAM50 ROR (Prosigna™) centralized evaluation
ECOG 0-1
No prior systemic therapy for the present tumor

Adequate renal, hepatic, and hematopoietic functions as defined by the following criteria:

Absolute Neutrophil Count (ANC) ≥1,500/mm3 or ≥1.5 x 109/L
Platelets ≥100,000/mm3 or ≥100 x 109/L
Hemoglobin ≥9 g/dL
Serum Aspartate Transaminase (AST) and serum Alanine Aminotransferase Transaminase (ALT) ≤2.5 x upper limit of normal (ULN)
Alkaline phosphatase ≤2.5 x ULN
Total serum bilirubin ≤1 x ULN
Serum creatinine ≤1.5 x ULN or estimated creatinine clearance ≥ 60 mL/min as calculated using the method standard for the institution

Adequate cardiac functions, including:

12 Lead electrocardiogram (ECG) with normal tracing or non clinically significant changes that do not require medical intervention.
QTc interval ≤480 msec
No history of Torsades de Pointes or other symptomatic QTc abnormality.
Willingness and ability to comply with scheduled visits, treatment plan, laboratory tests, and other trial procedures
Signed informed consent and health insurance coverage

Exclusion Criteria:

Non operable, bilateral, T4 or metastatic breast cancer
Limited T2 breast cancer immediately accessible to conservative surgery
Previous homolateral breast cancer (including in situ carcinoma), and/or contralateral breast cancer except if treated by surgery +/- radiation therapy alone without any systemic treatment
Previous hormone replacement therapy (HRT) stopped less than 2 weeks before beginning of treatment
Previous use of SERMs such as raloxifene
Any surgery (not including minor procedures such as lymph node biopsy, primary tumor core biopsy, fine needle aspiration) within 4 weeks of start of study treatment; or not fully recovered from any side effects of previous procedures.
Diagnosis of any previous malignancy within the last 5 years, except for adequately treated basal cell carcinoma, or squamous cell skin carcinoma, or in situ cervical carcinoma
History of any previous anti-cancer chemotherapy and any previous treatment using AI
Concurrent administration of herbal preparations as complementary medicine.
Any clinically significant gastrointestinal abnormalities, which may impair intake, transit or absorption of the study drugs, such as the inability to take oral medication in tablet form and malabsorption syndrome
Patient with any psychological, familial, social or geographical condition which could potentially hamper compliance with the study protocol and follow-up schedule; those conditions should be discussed with the patient before registration in the trial.