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Prognostic Impact of the Tumor Marker CA 15-3 in Patients With Breast Cancer and Bone Metastases Treated With Palliative Radiotherapy

Permanent link
https://hdl.handle.net/10037/13488
DOI
https://doi.org/10.14740/jocmr2653w
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Date
2017-01-25
Type
Journal article
Tidsskriftartikkel
Peer reviewed

Author
Nieder, Carsten; Dalhaug, Astrid; Haukland, Ellinor; Mannsåker, Bård; Pawinski, Adam
Abstract

Background: The aim of the study was to explore the prognostic impact of different abnormal blood tests and the tumor marker CA 15-3 as well as established parameters such as disease extent and receptor status in patients with bone metastases from breast cancer who received palliative radiotherapy in addition to contemporary systemic treatment.

Methods: This was a retrospective uni- and multivariate analysis of 118 female patients treated in the time period from 2007 to 2014 (median follow-up 28 months).

Results: The median age was 61 years and the median time interval from the initial diagnosis of breast cancer was 57 months (median time interval from metastatic disease to radiotherapy was 7 months). Only 16% of patients had normal serum CA 15-3. HER2 receptor status correlated with CA 15-3. The median survival was 17.6 months (lowest CA 15-3 quartile), 14.7 months (intermediate), and 6.9 months (highest quartile) (P = 0.002). However, multivariate analysis showed that survival was influenced by extent of extra-skeletal metastases, pleural metastases/effusion, lung metastases, estrogen receptor status, serum C-reactive protein, and anemia with need for blood transfusion (all P < 0.05) rather than CA 15-3.

Conclusions: Survival was highly variable. The tumor marker CA 15-3 did not provide independent prognostic information. Nevertheless, the results of simple blood tests contributed to the multivariate prognostic model.

Description
Source at https://doi.org/10.14740/jocmr2653w. Accepted manuscript version, licensed CC BY-NC-ND 4.0.
Publisher
Elmer Press
Citation
Nieder, C., Dalhaug, A., Haukland, E., Mannsåker, B. & Pawinski, A. (2017). Prognostic Impact of the Tumor Marker CA 15-3 in Patients With Breast Cancer and Bone Metastases Treated With Palliative Radiotherapy. Journal of Clinical Medicine Research, 9(3), 183-187. https://doi.org/10.14740/jocmr2653w
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