Title
Efficacy of neoadjuvant carboplatin plus docetaxel in triple-negative breast cancer: Combined analysis of two cohorts
Date Issued
01 February 2017
Access level
open access
Resource Type
journal article
Author(s)
Sharma P.
López-Tarruella S.
García-Saenz J.A.
Ward C.
Connor C.S.
Prat A.
Moreno F.
Jerez-Gilarranz Y.
Barnadas A.
Picornell A.C.
Del Monte-Millán M.
Gonzalez-Rivera M.
Massarrah T.
Pelaez-Lorenzo B.
Palomero M.I.
González Del Val R.
Cortes J.
Rivera H.F.
Márquez-Rodas I.
Perou C.M.
Wagner J.L.
Mammen J.M.V.
McGinness M.K.
Klemp J.R.
Amin A.L.
Fabian C.J.
Heldstab J.
Godwin A.K.
Jensen R.A.
Kimler B.F.
Khan Q.J.
Martin M.
Publisher(s)
American Association for Cancer Research Inc.
Abstract
Purpose: Recent studies demonstrate that addition of neoadjuvant (NA) carboplatin to anthracycline/taxane chemotherapy improves pathologic complete response (pCR) in triple-negative breast cancer (TNBC). Effectiveness of anthracycline-free platinum combinations in TNBC is not well known. Here, we report efficacy of NA carboplatin + docetaxel (CbD) in TNBC. Experimental Design: The study population includes 190 patients with stage I-III TNBC treated uniformly on two independent prospective cohorts. All patients were prescribed NA chemotherapy regimen of carboplatin (AUC 6) + docetaxel (75 mg/m2) given every 21 days x 6 cycles. pCR (no evidence of invasive tumor in the breast and axilla) and residual cancer burden (RCB) were evaluated. Results: Among 190 patients, median tumor size was 35 mm, 52% were lymph node positive, and 16% had germline BRCA1/2 mutation. The overall pCR and RCB 0 + 1 rates were 55% and 68%, respectively. pCRs in patients with BRCA-associated and wild-type TNBC were 59% and 56%, respectively (P = 0.83). On multivariable analysis, stage III disease was the only factor associated with a lower likelihood of achieving a pCR. Twenty-one percent and 7% of patients, respectively, experienced at least one grade 3 or 4 adverse event. Conclusions: The CbD regimen was well tolerated and yielded high pCR rates in both BRCA-associated and wild-type TNBC. These results are comparable with pCR achieved with the addition of carboplatin to anthracycline-taxane chemotherapy. Our study adds to the existing data on the efficacy of platinum agents in TNBC and supports further exploration of the CbD regimen in randomized studies.
Start page
649
End page
657
Volume
23
Issue
3
Language
English
OCDE Knowledge area
Oncología
Farmacología, Farmacia
Scopus EID
2-s2.0-85012248487
PubMed ID
Source
Clinical Cancer Research
ISSN of the container
10780432
Sponsor(s)
The KU PROGECT Registry was supported by the University of Kansas Research Career Award and the University of Kansas Cancer Center's CCSG (P30 CA168524) Biospecimen Repository Core Facility. Funding for M. Martin was supported by a research grant from Instituto de Salud Carlos III (ISCIII, PI 12/02684) and FEDER [RETICC-RD12/0036/0076; "Ayuda cofinanciada por el Fondo Europeo de Desarrollo Regional (FEDER). Una manera de hacer Europa"]. C.M. Perou was supported by funds from the NCI Breast SPORE program P50-CA58223. The costs of publication of this article were defrayed in part by the payment of page charges. This article must therefore be hereby marked advertisement in accordance with 18 U.S.C. Section 1734 solely to indicate this fact.
Sources of information:
Directorio de Producción Científica
Scopus