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 BREAST - ORIGINAL ARTICLE
Year : 2011  |  Volume : 48  |  Issue : 4  |  Page : 410-414

Clinical and pathological response rates of docetaxel-based neoadjuvant chemotherapy in locally advanced breast cancer and comparison with anthracycline-based chemotherapies: Eight-year experience from single centre


1 Department of Medical Oncology, Bhagwan Mahaveer cancer Hospital & Research center, Jaipur, Rajasthan, India
2 Department of Radiation Oncology, Bhagwan Mahaveer cancer Hospital & Research center, Jaipur, Rajasthan, India
3 Department of Surgical Oncology, Bhagwan Mahaveer cancer Hospital & Research center, Jaipur, Rajasthan, India

Correspondence Address:
D Gupta
Department of Medical Oncology, Bhagwan Mahaveer cancer Hospital & Research center, Jaipur, Rajasthan
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-509X.92258

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Introduction: The administration of neoadjuvant chemotherapy (NACT) prior to local therapy is advantageous for women with locally advanced breast cancer (LABC), since it can render inoperable tumors resectable and can increase rates of breast conservative surgeries. Materials and Methods: We retrospectively analyzed LABC patients who received NACT from January 2000 to December 2007. Out of 3000 case records screened, 570 (19%) were LABC and 110/570 (19%) treatment-naïve patients started on NACT were analyzed. Ninety-one (37 docetaxel [D], 54 anthracycline [A]) patients were eligible for response and survival analysis. Pathological complete remission (pCR) was defined as no evidence of malignancy in both breast and axilla. Results: Median age of the whole cohort was 45 years (range 25-68 years). Premenopausal were 42% and estrogen receptor + 49.5%. Most (90%) were T4 tumors and 70% were Stage IIIB. Median numbers of preoperative cycles were six and three in the D and A group respectively. Overall clinical response rates for breast primary were 74.3% and 53.7% (CR 28.6% vs. 16.7%, P=0.58) while for axilla ORR were 75.7% vs. 54.8% (51.4% vs. 40.4% CR, P=0.77) respectively for D and A. Corresponding pCR rates were 19% vs. 13% respectively. There was no significant difference in disease-free (three-year 56.84% vs. 61.16%, P=0.80) and overall survival (three-year 70% vs. 78.5%, P=0.86) between the two groups. Conclusions: Although pCR rates were higher with docetaxel-based NACT, it did not translate into superior disease-free survival / overall survival compared to anthracycline-based chemotherapies.






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