Statement: Cohort 2 of the primary trial recieves Doxorubicin, cyclophosphamide, Herceptin and docetaxel throughout the cycles of the study.
Primary_evidence: INTERVENTION 1:    Doxorubicin+Cyclophosphamide (AC) Followed by Docetaxel (AC→T)   Doxorubicin 60 mg/m² IV bolus injection in combination with cyclophosphamide 600 mg/m² IV bolus injection on Day 1 of every 3 weeks for 4 cycles followed by docetaxel 100 mg/m² IV infusion every 3 weeks for another 4 cycles. INTERVENTION 2:    AC Followed by Docetaxel + Herceptin (AC→TH)   Doxorubicin 60 mg/m² IV bolus injection in combination with cyclophosphamide 600 mg/m² IV bolus Injection on Day 1 of every 3 weeks for 4 cycles. Herceptin 4 mg/kg IV infusion on Day 1 of Cycle 5, followed by Herceptin 2 mg/kg by IV infusion weekly starting from Day 8; and docetaxel 100 mg/m² IV infusion on Day 2 of Cycle 5, then on Day 1 of every 3 weeks for all subsequent cycles ( total 4 cycles). After completion of the last cycle of chemotherapy, Herceptin 6 mg/kg IV infusion was administered every 3 weeks until 1 year from date of initial Herceptin dose.