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Comparison of neoadjuvant adriamycin and docetaxel versus adriamycin, cyclophosphamide followed by paclitaxel in patients with operable breast cancer / 대한외과학회지
Journal of the Korean Surgical Society ; : 7-14, 2013.
Article in English | WPRIM | ID: wpr-211945
ABSTRACT

PURPOSE:

Neoadjuvant chemotherapy is the standard treatment for patients with locally advanced breast cancer and is increasingly considered for patients with operable disease. Recently, as many clinical trials have demonstrated favorable outcomes of anthracycline-taxane based regimen, this approach has been widely used in the neoadjuvant setting.

METHODS:

We compared women who received adriamycine and docetaxel (AD) with adriamycin, cyclophosphamide followed by paclitaxel (AC-T) as neoadjuvant chemotherapy. The AD group was scheduled for six cycles of AD (50 mg/m2 and 75 mg/m2, respectively) at a 3-week interval. The AC-T group was scheduled for four cycles of adriamycin and cyclophosphamide (50 mg/m2 and 500 mg/m2, respectively) followed by four cycles of paclitaxel (175 mg/m2) at a 3-week interval.

RESULTS:

The responses of chemotherapy were equivalent (overall response rate [AD, 75.7% vs. AC-T, 80.9%; P = 0.566], pathologic complete response [pCR] rate [breast and axilla AD, 10.8% vs. AC-T, 12.8%; P = 1.000; breast only AD, 18.9% vs. AC-T, 14.9%, P = 0.623], breast conserving surgery rate [P = 0.487], and breast conserving surgery conversion rate [P = 0.562]). The pCR rate in the breast was higher in the human epidermal growth factor receptor 2 (HER2) positive cases (HER2 positive 33.3% vs. negative 10%, P = 0.002). Although nonhematologic toxicities were comparable, hematologic toxicities were more severe in the AD group. Most women in the AD group suffered from grade 3/4 neutropenia (P < 0.001) and neutropenic fever (P < 0.001).

CONCLUSION:

Tumor responses were not different in various variables between the two groups. However, AC-T was a more tolerable regimen than AD in patients with breast cancer receiving neoadjuvant chemotherapy.
Subject(s)

Full text: Available Index: WPRIM (Western Pacific) Main subject: Breast / Breast Neoplasms / Mastectomy, Segmental / Doxorubicin / Polymerase Chain Reaction / Paclitaxel / Receptor, ErbB-2 / Neoadjuvant Therapy / Cyclophosphamide / Taxoids Limits: Female / Humans Language: English Journal: Journal of the Korean Surgical Society Year: 2013 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Main subject: Breast / Breast Neoplasms / Mastectomy, Segmental / Doxorubicin / Polymerase Chain Reaction / Paclitaxel / Receptor, ErbB-2 / Neoadjuvant Therapy / Cyclophosphamide / Taxoids Limits: Female / Humans Language: English Journal: Journal of the Korean Surgical Society Year: 2013 Type: Article