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KMID : 1134120150180040356
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Journal of Breast Cancer
2015 Volume.18 No. 4 p.356 ~ p.364
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Safety Results of Docetaxel-(Taxotere®)-Based Chemotherapy in Early Breast Cancer Patients of Asia-Pacific Region: Asia-Pacific Breast Initiative II
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Kim Sung-Bae
Kok Yau-Tsz
Tran Van Thuan
Chao Tsu-Yi
Shen Zhen-Zhou
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Abstract
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Purpose: The goal of this registry was to collect patient characteristics and safety data from patients from the Asia-Pacific region with early breast cancer receiving adjuvant chemotherapy containing docetaxel (Taxotere®).
Methods: This registry was open-label, international, longitudinal, multicenter, and observational in design and included a prospective group of consecutive early breast cancer patients with an intermediate-to-high risk of recurrence being treated with various docetaxel-based (anthracycline and non-anthracycline) adjuvant chemotherapy regimens during 2009-2013 in real-world clinical settings.
Results: The analysis included 1,712 patients, 79% of whom received docetaxel-based, anthracycline-containing regimens, while 21% received non-anthracycline-containing regimens. Patients receiving adjuvant docetaxel-based chemotherapy were followed for 1.5 years. Chemotherapy-related adverse events (AEs) were reported by 76.2% of patients (anthracycline-containing vs. non-anthracycline-containing regimens: 76.8% vs. 74.1%). Serious AEs were reported in 12% of patients (12.3% vs. 10%). National Cancer Institute Common Terminology Criteria for Adverse Events grade 3 or higher neutropenia was reported in 20% of patients (21.6% vs. 13.9%), leukopenia in 7.4% of patients (5.4% vs. 14.8%), and vomiting in 1.6% of patients (1.8% vs. 0.6%). Treatment-related death was reported in 27 patients (1.6%), while only 3% of patients had a relapse. Low-density lipoprotein cholesterol/high-density lipoprotein cholesterol (HDL-C) and total cholesterol/HDL-C ratios increased after chemotherapy. A clinically insignificant reduction of 1.9% in left ventricular ejection fraction, from 66.43 to 64.53, was observed 1.5 years after therapy was completed.
Conclusion: The Asia-Pacific Breast initiative II registry identified a variety of important facts regarding patient population characteristics, disease epidemiology and treatment response for early breast cancer patients of the Asia-Pacific region receiving docetaxel-based chemotherapy. Docetaxel-based chemotherapy did not show any significant safety concerns for early breast cancer patients of the Asia-Pacific region, and thus may represent a safe adjuvant chemotherapy regimen for these patients.
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KEYWORD
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Breast neoplasms, Docetaxel, Registries, Safety
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