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Addition of bevacizumab to three docetaxel regimens as adjuvant therapy for early stage breast cancer.

Abstract：

:Docetaxel-containing chemotherapy improves disease-free survival (DFS) and overall survival in patients with early stage breast cancer. Bevacizumab improves response rate and DFS in metastatic breast cancer. However, adding antivascular endothelial growth factor therapy to anthracycline-containing chemotherapy may increase cardiotoxicity. This trial evaluates the feasibility of adding bevacizumab to three standard adjuvant docetaxel regimens with a primary endpoint of grade ≥3 congestive heart failure (CHF). Phase IIb, randomized, non-comparative study of women with previously untreated node-positive or high-risk node-negative breast cancer. Human epidermal growth factor receptor 2 (HER2)-negative patients were randomized to: (arm A) doxorubicin + cyclophosphamide followed by docetaxel or (arm B) docetaxel + doxorubicin + cyclophosphamide. HER2-positive patients (arm C) received docetaxel + carboplatin + trastuzumab for 52 weeks. All patients received bevacizumab beginning on day 1 for 52 weeks. Safety data in 212 women (mean age = 53.1 years) show that 1 patient each in arm A (1.3 %) and arm C (1.7 %), and 3 patients in arm B (4.0 %) experienced clinical CHF grade ≥3. A decreased ejection fraction was observed in 1 patient each in arms A and C, and cardiac disorder was observed in 12.8, 22.7, and 8.5 % in arms A, B, and C, respectively. A grade 3/4 treatment-emergent adverse event was reported in 82.1, 84.0, and 52.5 % of participants in arms A, B, and C, respectively. Kaplan-Meier estimates of DFS show rates at 24 months of 85.5, 90.4, and 90.4 % in arms A, B, and C, respectively. Adding bevacizumab to three standard docetaxel-based chemotherapy regimens as adjuvant treatment in patients with node-positive and high-risk node-negative breast cancer resulted in a low rate of clinical CHF grade ≥3. Maintenance bevacizumab monotherapy did not identify any new safety signals. Breast cancer recurrence/relapse, secondary malignancies, and death were uncommon, although the follow-up time in this study was relatively short.

journal_name

Breast Cancer Res Treat

journal_title

Breast cancer research and treatment

authors

Yardley DA,Hart L,Waterhouse D,Whorf R,Drosick DR,Murphy P,Badarinath S,Daniel BR,Childs BH,Burris H

doi

10.1007/s10549-013-2764-y

subject

Has Abstract

pub_date

2013-12-01 00:00:00

pages

655-65

issue

eissn

0167-6806

issn

1573-7217

journal_volume

142

pub_type

杂志文章,多中心研究,随机对照试验

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Addition of bevacizumab to three docetaxel regimens as adjuvant therapy for early stage breast cancer.