In:
Journal of Clinical Oncology, American Society of Clinical Oncology (ASCO), Vol. 30, No. 15_suppl ( 2012-05-20), p. e16551-e16551
Abstract:
e16551 Background: Prognostic tools such as NPI and AO have been used to help stratify early stage breast cancer patients into specific risk-related groupings. With the development of molecular biological gene expression assays, both predictive and prognostic information for patients with early stage endocrine positive breast cancer can be determined. We herein report our experience with the use of a 21-gene recurrence score (RS) assay, it’s correlation with NPI and AO, and explore the comparative outcome for patients in MWCC, Limerick, Ireland. Methods: Study period: 01/09/2008 – 31/12/2012. Data was derived from (1) MWCC Oncology database (2) MWRH pathology reports (3) MWRH patient files (4) RS assay reports. Data was collated and entered into an Access database and exported into Predictive Analytics Software for analysis. Results: Seventy-seven (77) patients with early stage endocrine positive breast cancer were analysed. Median age: 55.9 years (range: 30.6 – 72.3 years). Median follow-up: 15.4 months. NPI distribution was: excellent – 9%, good – 53%, moderate – 38% and poor – 0%, with median NPI score – 3.36. RS distribution was: low – 49%, intermediate – 43% and high – 8%, with median RS – 18. The RS correlated poorly with NPI predictions. The median AO benefit 10-year survival with no additional therapy – 81.4%, the median AO additional benefit 10-year survival of chemotherapy (CT) – 1.2% and median AO additional benefit 10-year survival of CT and hormonal therapy (HT) – 3.9%. The RS also correlated poorly with AO predictions. Conclusions: Prognostic tools are useful in evaluating and predicting the possible outcome, but they do not correlate well with this 21-gene RS molecular assay, as seen with our cohort. These tools should therefore be used in tandem, together with good clinical judgement on an individual basis when advising patients on potential treatment pathways. Further long term evaluation is required.
Type of Medium:
Online Resource
ISSN:
0732-183X
,
1527-7755
DOI:
10.1200/jco.2012.30.15_suppl.e16551
Language:
English
Publisher:
American Society of Clinical Oncology (ASCO)
Publication Date:
2012
detail.hit.zdb_id:
2005181-5
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