Annals of Oncology Advance Access originally published online on April 11, 2008
Annals of Oncology 2008 19(7):1213-1215; doi:10.1093/annonc/mdn157
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© The Author 2008. Published by Oxford University Press on behalf of the European Society for Medical Oncology. All rights reserved. For permissions, please email: journals.permissions@oxfordjournals.org
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The difficult decision-making process for using or not using adjuvant chemotherapy in premenopausal endocrine-responsive breast cancer patients
Oncologia Medica A, Istituto Nazionale per la Ricerca sul, Cancro, L.go R. Benzi 10, 16132 Genoa, Italy
* (E-mail: lucia.delmastro@istge.it)
| The first 10% of the full text of this article appears below. |
Available adjuvant treatments for premenopausal endocrine-responsive breast cancer patients include chemotherapy, tamoxifen and luteinizing hormone-releasing hormone (LH-RH) agonists.
In women younger than 50 years and estrogen receptor-positive (ER+) tumors, adjuvant polychemotherapy is associated with an annual reduction in mortality of 31% [standard error (SE) = 0.10]. In this subgroup of patients, tamoxifen is also very effective with an annual reduction in mortality ranging from 39% (SE = 0.12) in women younger than 40 years to 24% in women aged 40–49 years [1]. A recent meta-analysis showed that LH-RH agonists did not significantly reduce death after recurrence neither when used as the only systemic treatment [17.8% relative reduction, 95% confidence interval (CI) –52.8 to 42.9; P = 0.49] nor when added to tamoxifen (15.9%; 95% CI –40.7 to 19.4; P = 0.33) or to chemotherapy (12.9%; 95% CI –26.5 to 3.2; P =
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