domingo, 6 de enero de 2019

21-gene recurrence score and adjuvant chemotherapy decisions in patients with invasive lobular breast cancer. - PubMed - NCBI

21-gene recurrence score and adjuvant chemotherapy decisions in patients with invasive lobular breast cancer. - PubMed - NCBI



 2018 Dec 19. doi: 10.2217/bmm-2018-0396. [Epub ahead of print]

21-gene recurrence score and adjuvant chemotherapy decisions in patients with invasive lobular breast cancer.

Abstract

AIM:

To determine the effect of the 21-gene recurrence score (RS) on outcome and chemotherapy decision in breast invasive lobular carcinoma (ILC).

MATERIALS & METHODS:

We included 6467 patients with early stage and estrogen receptor-positive ILC from the Surveillance, epidemiology, and end results database.

RESULTS:

A total of 9.1, 31.4, and 70.1% of patients with low-, intermediate-, and high-risk RS groups received chemotherapy, respectively. A higher RS was independently associated with poor breast cancer-specific survival, and receipt of chemotherapy was not related to better breast cancer-specific survival in low-, intermediate-, or high-risk RS groups.

CONCLUSION:

The 21-gene RS could impact chemotherapy decision making in early-stage ILC. However, adjuvant chemotherapy does not appear to improve outcome in high-risk RS cohort.

KEYWORDS:

Oncotype DX ; breast carcinoma; chemotherapy; decision; invasive lobular carcinoma; prognostic analysis; recurrence score; risk factor; survival

PMID:
 
30565472
 
DOI:
 
10.2217/bmm-2018-0396

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