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Published in: Breast Cancer Research and Treatment 2/2013

01-01-2013 | Epidemiology

Elevated serum P1NP predicts development of bone metastasis and survival in early-stage breast cancer

Authors: Windy Dean-Colomb, Kenneth R. Hess, Elliana Young, Terrie G. Gornet, Beverly C. Handy, Stacy L. Moulder, Nuhad Ibrahim, Lajos Pusztai, Daniel Booser, Vicente Valero, Gabriel N. Hortobagyi, Francisco J. Esteva

Published in: Breast Cancer Research and Treatment | Issue 2/2013

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Abstract

Bone is the most common site of metastasis of breast cancer, affecting most women with advanced disease. Procollagen type I N-terminal propeptide (P1NP), osteocalcin, CTX, and IL-6 are markers of bone turnover. Our objective was to determine whether serum levels of these proteins have clinical utility as predictors of breast cancer metastasis to bone. Blood was collected before treatment from 164 patients with stage I–III breast cancer from September 2001 to December 2008. Serum levels of P1NP, CTX, IL-6, and OC were measured using an automated immunoassay system. Correlations of the levels of these markers with time to bone metastasis development and with overall survival (OS) rate were assessed using Cox proportional hazards regression analysis and the Kaplan–Meier method. Fifty-five patients with stage I–III disease at the time of blood sample collection subsequently experienced metastasis to bone. A baseline P1NP level of at least 75 ng/mL predicted increased risk of bone metastasis (hazard ratio, 2.7 [95 % confidence interval, 1.2–6.0]; P = 0.031) and a poor OS rate (P = 0.031). Serum P1NP levels at or above 75 ng/mL correlate with a short time to development of bone metastasis and low overall survival in patients with stage I–III breast cancer.
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Metadata
Title
Elevated serum P1NP predicts development of bone metastasis and survival in early-stage breast cancer
Authors
Windy Dean-Colomb
Kenneth R. Hess
Elliana Young
Terrie G. Gornet
Beverly C. Handy
Stacy L. Moulder
Nuhad Ibrahim
Lajos Pusztai
Daniel Booser
Vicente Valero
Gabriel N. Hortobagyi
Francisco J. Esteva
Publication date
01-01-2013
Publisher
Springer US
Published in
Breast Cancer Research and Treatment / Issue 2/2013
Print ISSN: 0167-6806
Electronic ISSN: 1573-7217
DOI
https://doi.org/10.1007/s10549-012-2374-0

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